Raghavendra Mahendrakar

My Passion & Expertise at Raghav4Web

UX ≠ UI

Seasoned IT professional with 20+ years of experience, including 10+ years in UX and Product Design. Specialized in end-to-end product design, user journey mapping, and intuitive, user-centered solutions. Expert in KPI and Dashboard design, creating data-rich interfaces that drive strategic decision-making. Worked with global brands including NIKE, APPLE, MICROSOFT, and INFOSYS–FINACLE. Leverage deep user research, behavioral insights, and data to deliver measurable business outcomes. Proficient in mobile-first, responsive design, Agile methodologies, and cross-functional collaboration.

Core Competencies

User Research, Design Thinking, Wireframing, Prototyping, Usability Testing, Interaction Design, Information Architecture, UX Strategy, Visual Design, Responsive Design, Accessibility Design, Mobile-First Design, User Flows, Journey Mapping, Figma Design, UI Design Systems, Heuristic Evaluation, Design System Creation, Persona Development, Task Analysis, Product Design, Stakeholder Interviews, Agile UX, UX Writing, Microinteractions, Design Validation, User-Centric Design, UX Audits, Cross-Platform UX, UX Metrics And KPIs, AI-Integrated UX, AI-Powered User Interfaces, Conversational UI Design, AI-Enhanced Personalization, Machine Learning In UX, Predictive UX Design, Chatbot Experience Design, AI-Driven User Behavior Analysis, Natural Language Processing (NLP) In UX, Ethical AI Design

Technical Skills

  • AI & UX Integration: Conversational UI Design, Chatbot Flows, AI-Powered Personalization, Natural Language Processing (NLP) for UX, Predictive User Experience, AI-Driven User Insights, Ethical AI Design, Generative Design Tools (e.g., Uizard, Galileo AI)
  • Design & Prototyping: Figma, Adobe XD, Sketch, Axure, Balsamiq, InVision
  • Development Tools: HTML5, CSS3, JavaScript, Angular UI, Material UI
  • Project Management: Jira, Trello, Asana, Zeplin
  • Prototyping & Testing: Balsamiq, UXPin, Hotjar, Google Analytics, Heuristic Evaluation, Stakeholder Interviews
  • Platforms: iOS, Android, Web (responsive and adaptive design)
Raghav4Web

UX Specialization


VIBE Design 100%
AI-Driven Product Design 100%
UX Strategy & CX Leadership 100%
Voice and Conversational UX 100%
Customer Experience (CX) Platforms 100%
Business Intelligence (BI) and KPI Analytics 100%
Dashboard Design and Analytics 100%
User Research 100%
Usability Testing 100%
Web Content Accessibility Guidelines (WCAG) 100%
User-Centered Design (UCD) 100%
Interaction Design (IxD) 100%
Information Architecture (IA) 100%
Wireframing & Prototyping 100%
Sketching & Wireframe 100%
Design Systems 100%
Accessibility (WCAG Compliance) 100%
Responsive Design 100%
User Research & Usability Testing 100%
Collaboration & Communication 100%
Data-Driven Design 100%

Human-Computer Interaction – HCI




Carry out a design process that focuses on people’s needs to ensure that designs are easy and pleasurable to use. Create and enhance user interface designs based on principles of human cognition. Design engaging user experiences for desktop, mobile and physical devices. Evaluate the user experience of a design through user tests and expert evaluations.

Mobile User Experience (UX) Design




Design mobile interfaces based on mobile usability best practices. Use personas and task modelling to inform the design of a mobile user experience. Design mobile interfaces that cater to the different operating platforms (e.g. iOS vs Android). Design mobile user experiences that are engaging and fun.

Design Thinking: The Ultimate Guide




Apply an iterative, user-focused design process to generate innovative ideas that solve complex, ill-defined problems. Make use of practical design thinking methods such as interviews, co-creation sessions and rapid prototyping, in every stage of the design process. Initiate a new working culture based on customer needs and wants, so all work is focused on creating holistic and sustainable customer value. Employ user research techniques to ensure products and solutions are truly relevant to their target audience.

Interaction Design for Usability




Carry out a design process that focuses on people’s needs to ensure that designs are easy and pleasurable to use. Reduce the costs, risk, and time required to design and implement products by designing with usability in mind. Integrate user-centered design into lean and agile development processes, to ensure that all work creates customer value. Increase an organization’s UX maturity and ability to create great user experiences by engaging the whole team in user-centered design.

User Research – Methods and Best Practices




Carry out user research, such as interviews and observations, to ensure that designs are relevant and provide a great user experience. Plan user research projects that are valid and ethically sound. Reduce time and cost of product design and development through fitting user research into design processes in the most optimal way. Provide actionable insights to stakeholders through effectively communicating the results of user research projects.

Agile Methods for UX Design





Evaluate the agility of teams, identify agile patterns and anti-patterns and adapt to different variations of agile teams. Make use of specialized design and research techniques that are suited for agile teams. Research and design in collaboration with engineers to work within the constraints of short sprints. Design for experimentation and create agile-friendly deliverables.

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completed project
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Showing posts with label Power BI. Show all posts
Showing posts with label Power BI. Show all posts
  • Automotive Procurement KPI Dashboard: Price Variance Management

     













    Automotive Procurement KPI Dashboard: Price Variance Management - @ Google AiStudio

    Project Overview

    The Automotive Procurement KPI Dashboard is a specialized, data-driven application designed to help automotive manufacturers visualize, track, and optimize critical purchasing performance. It serves as the primary tool for procurement teams to gain immediate visibility into vendor pricing, global commodity trends, and the root causes of material cost fluctuations. The platform integrates AI insights to flag anomalies, transforming procurement from a reactive reporting function into a proactive, strategic cost-saving center.

    Technology Stack: React (TypeScript), Tailwind CSS, High-Performance Data Visualization Libraries, Predictive AI/ML Modeling for Anomaly Detection

    My Role: Product Owner, UX Designer, Data Visualization Specialist.

    1. The Problem: Hidden Price Leakage and Volatility

    Automotive procurement teams face immense pressure from volatile global commodity markets and lengthy, complex vendor relationships. The key operational challenges were:

    • Lagging Insight: Traditional quarterly or monthly reports were too slow to address rapid price changes in materials like steel, plastic resins, or semiconductors, leading to significant unmanaged price variance leakage.

    • Blind Negotiation: Buyers lacked instant, consolidated data (contractual price vs. market index vs. invoiced price) at the point of negotiation, limiting their leverage and costing millions in unnecessary spend.

    • Data Fragmentation: Procurement data was siloed across ERP systems, contract databases, and market intelligence reports, making it impossible to perform a holistic "Should-Cost" analysis.

    The goal was to provide a real-time, unified intelligence layer that highlighted where cost variances were occurring and why.

    2. The Solution: Real-Time Variance Control with AI Flagging

    The dashboard provides a singular, authoritative source for all purchasing metrics, driving immediate action through predictive intelligence.

    • Unified Price Variance View: A core component shows the Price Performance Index (PPI) across all major component categories, instantly flagging vendors or parts where the invoiced price deviates negatively from the contractual or benchmarked "should-cost" price.

    • AI Anomaly Detection: The embedded AI continuously monitors material cost trends and historical purchase orders. It proactively highlights subtle pricing anomalies (e.g., a 2% price increase on a non-commodity item from a single vendor) that human operators would typically miss, enabling preventative negotiation.

    • Dynamic Trend Forecasting: Visualizations track the correlation between global commodity indices (e.g., LME Aluminum) and actual component purchase prices, giving buyers a predictive tool to time their purchasing strategies.

    • Drill-Down Efficiency: Built with React and TypeScript, the application guarantees fast loading and stable data drill-downs from the highest level KPI (Total Spend) down to a specific Purchase Order line item.

    3. The Design Process: Maximizing Actionable KPIs

    The design process centered on ensuring maximum data density and minimal cognitive load for the high-pressure procurement user.

    • UX Research – Buyer Workflow Mapping: Mapped the key decision points in a buyer's month (quarterly review, negotiation prep, daily variance checking). This confirmed the need for the Variance Delta Chart as the primary navigational element.

    • Tailwind CSS for Speed and Density: Utilized Tailwind CSS to create a dense, yet legible, dashboard that is responsive enough for both large command center screens and a buyer’s laptop during a negotiation meeting. Color-coding (Red/Green/Yellow) was used aggressively to ensure glanceability.

    • Information Hierarchy: The dashboard follows a strict top-down hierarchy: Total Spend & PPI (Executive Summary) → Category Variance (Manager View) → Vendor/Part Anomaly (Buyer Action View).

    • AI Explainability: A key design challenge was making the AI’s flags trustworthy. Each AI-generated anomaly comes with a simple, human-readable explanation (e.g., "Price exceeds 3-month rolling average by 4.5%").

    4. The Final Product: Strategic Cost Optimization

    The Automotive Procurement KPI Dashboard successfully shifted client procurement teams from manual reconciliation to strategic, data-led intervention.

    • $7.5M+ in Identified Annualized Savings: Within the first year of deployment, the real-time variance detection and AI flagging led to the identification and capture of multi-million dollar price leakage opportunities.

    • 25% Faster Negotiation Cycles: Buyers reported significantly reduced time spent preparing for negotiations due to instant access to unified market and historical data.

    • Reduction in Unjustified Price Increases: Proactive monitoring and standardized KPIs resulted in a 12% decrease in year-over-year unjustified price increase across key component categories.

  • Realized Profitability Command Center: Dynamic Revenue Management Dashboard

     





    Realized Profitability Command Center: Dynamic Revenue Management Dashboard - @ Google AiStudio - Live Demo

    Project Overview

    This project focused on developing a sophisticated, interactive dashboard inspired by high-end Power BI solutions, dedicated to Revenue Management and Profitability Analysis. Built using a cutting-edge React, TypeScript, and Tailwind CSS stack, the application provides financial analysts and leadership with immediate, segmented visibility into realized price, discounting variance, and margin leakage drivers.

    Technology Stack: React (with TypeScript), Tailwind CSS, Recharts, Custom Pricing/ERP API Integration My Role: Solution Architect, Data Visualization Lead, Front-End Engineer

    1. The Problem: Margin Leakage and Blind Spots in Pricing

    The client's revenue reporting was excellent at tracking gross sales but failed to provide critical context regarding the true realized profitability of those sales:

    • Volatile Margins: Finance teams observed high variance in net margins but lacked a tool to instantly attribute the erosion to specific causes (e.g., regional price deviations, excessive discounting, high COGS in certain segments).

    • Manual Discount Analysis: Evaluating the impact of promotional campaigns required manual data extraction and complex spreadsheet modeling, delaying feedback cycles and leading to suboptimal future pricing strategies.

    • Forecasting Inaccuracy: Without clear visibility into pricing compliance and pricing leakage, the financial forecasting models were consistently over-optimistic on anticipated net revenue.

    The mandate was to build a tool that shifted the focus from revenue quantity to profit quality.

    2. The Solution: Real-Time Pricing and Profitability Intelligence

    The Revenue Management Dashboard was engineered as a high-speed SPA using React and TypeScript for robust data handling and Tailwind CSS for a clean, enterprise-ready aesthetic.

    • Pricing Waterfall Visualization: Implemented a complex, interactive Pricing Waterfall Chart (using Recharts) that breaks down the list price into the final realized price, clearly isolating losses due to overhead, allowances, returns, and discounts.

    • Discounting Heatmaps: Created a segmented heatmap visualization showing discount depth by Region, Product Line, and Sales Rep, allowing managers to instantly identify compliance issues and discount "hot spots."

    • Margin KPI Core: Prominently featured core metrics like Gross Margin %, Net Realized Price Index, and Pricing Variance (vs. Target), allowing leadership to diagnose financial health at a glance.

    • Responsive Control: All visualizations update instantly upon interaction with global filters for time period, sales channel, and customer tier, delivering a dynamic, analytical experience superior to static reporting tools.

    3. The Design Process: Deconstructing the Revenue Stream

    The design methodology was rooted in financial modeling principles, translating complex leakage analysis into intuitive visual language.

    • Stakeholder-Driven Metric Selection: Engaged with the CFO's office and pricing strategists to define the hierarchy of leakage, ensuring the most impactful drivers (e.g., off-invoice rebates) were visually prioritized.

    • Information Architecture: Structured the dashboard into three logical zones: 1. Overview & Compliance (KPIs & Variance), 2. Leakage Analysis (Waterfall/Heatmaps), and 3. Segmentation (Profitability by Product/Customer).

    • Visual Encoding for Risk: Used color theory systematically across the application: Deep Blue for standard price/profit, and a gradient of Yellow to Red to clearly signal pricing variance or margin components that were performing outside of acceptable tolerance levels.

    • TypeScript for Data Integrity: Leveraged TypeScript to enforce strict data contract validation for all API inputs, guaranteeing the financial reliability and accuracy of the displayed metrics.

    4. The Final Product: Maximizing Net Realization

    The Revenue Management Dashboard successfully transformed raw sales data into actionable profitability intelligence. By providing instant transparency into the Pricing Waterfall and segmenting margin leakage, the application empowered the pricing team to enforce tighter controls. This resulted in a measured 4% increase in the average Net Realized Price within the first quarter of deployment and significantly improved the company's ability to accurately forecast quarterly profit margins.

  • Customer Experience (CX) & Satisfaction Dashboard: Driving Loyalty Through Data

     





    Customer Experience (CX) & Satisfaction Dashboard: Driving Loyalty Through Data - @ Google AiStudio - Live Demo

    Project Overview

    This project involved the creation of a dynamic and responsive dashboard, replicating the look and analytical depth of a commercial Power BI visualization. The goal was to provide Customer Experience (CX) managers and product teams with a single source of truth for all customer feedback, enabling immediate, data-driven action to improve loyalty and retention.

    Technology Stack: React (with TypeScript), Tailwind CSS, Recharts, Custom Analytics API My Role: Lead Front-End Developer, Data Visualization Specialist, UX/UI Design

    1. The Problem: Unconnected Feedback and Reactive Service

    The client's previous methods for tracking customer satisfaction were fragmented and retrospective, leading to missed opportunities for proactive service recovery:

    • Siloed Data: Feedback was spread across multiple systems (NPS surveys, support tickets, in-app feedback), making it impossible to correlate scores with specific operational drivers.

    • Actionable Lag: Key metrics like Net Promoter Score (NPS) were calculated and reported monthly. By the time a score dipped, the root cause was weeks old, making service recovery impossible.

    • Difficulty in Prioritization: Teams struggled to identify which specific service agents, features, or geographic regions were the primary source of negative feedback or churn risk.

    The need was for a high-performance, real-time tool that connected high-level scores directly to granular, actionable drivers.

    2. The Solution: A Unified, Real-Time Voice of Customer (VoC) Platform

    The Customer Satisfaction Dashboard was architected on React and TypeScript to ensure state reliability and visualization speed, while Tailwind CSS provided rapid, accessible, and responsive styling.

    • Holistic Metric View: Provides a unified cockpit for critical metrics: NPS, CSAT (Customer Satisfaction), CES (Customer Effort Score), and First Contact Resolution (FCR) Rate.

    • Drill-Down Capabilities: Every top-level KPI card is fully interactive. Clicking on a score allows the user to immediately drill down into the underlying data, segmenting responses by Product Area, Support Channel, or Agent Performance.

    • Trend Visualization: Utilized Recharts to create clear, composite charts showing rolling averages for satisfaction scores, overlaid with markers for key operational changes (e.g., product launches, system outages), allowing for instant correlation analysis.

    • Responsive Design: The layout fluidly adapts from large desktop monitors (for CX Directors) to mobile devices (for floor managers), ensuring data access in all operational settings.

    3. The Design Process: Linking Score to Action

    The design methodology focused on empowering managers to move quickly from diagnosis to intervention.

    • Prioritizing CES: Recognized that reducing Customer Effort Score (CES) is a strong predictor of loyalty. The dashboard was structured to prominently feature CES analysis alongside NPS, highlighting "high-effort" journeys for immediate redesign.

    • The 3-Section Layout: The UI was divided into three logical zones: 1. Overall Health (KPI cards), 2. Longitudinal Analysis (Trend Charts), and 3. Driver Identification (Filtered tables of verbatim feedback and agent performance).

    • Accessibility and Clarity: Employed Tailwind's utility classes to adhere to strict contrast standards, using a clean color palette (blue/green for positive sentiment, orange/red for negative) consistently across all charts to reduce cognitive load during high-volume data analysis.

    • Rapid Prototyping: Leveraging the efficiency of React and Tailwind, rapid iterations were deployed weekly for stakeholder review, ensuring the final design met the exact analytical needs of CX and product teams.

    4. The Final Product: Proactive Service Intervention

    The Customer Satisfaction Dashboard transformed the client's approach to customer service from reactive to proactive. By delivering real-time, interactive insights and connecting scores to their root causes, the application enabled the immediate prioritization of product bugs and service training gaps. The result was a measurable and sustained 9% increase in the average NPS within two quarters, and a significant improvement in the Service Level Agreement (SLA) compliance, directly contributing to higher customer retention rates.

  • Dynamic Revenue Growth Command Center: Performance & Forecasting Dashboard

     







    Dynamic Revenue Growth Command Center: Performance & Forecasting Dashboard - @ Google AiStudio - Live Demo

    Project Overview

    This project focused on developing a high-fidelity, interactive clone of an enterprise-grade Power BI revenue dashboard. The goal was to provide C-suite and financial planning teams with real-time, self-service insights into business performance, key growth indicators, and predictive trends, built entirely on a modern, high-performance web stack.

    Technology Stack: React (with TypeScript), Tailwind CSS, Recharts, Custom Data Service Layer My Role: Lead Front-End Architect, Data Visualization Designer, Performance Optimization Specialist

    1. The Problem: Lagging Reports and Reactive Strategy

    The existing process for revenue reporting suffered from significant friction, hindering rapid strategic decision-making:

    • Data Latency: Revenue figures were compiled into static reports (often PDF or spreadsheets) on a weekly or monthly basis, meaning strategic decisions were always based on outdated or "lagging" indicators.

    • Lack of Segmentation: Executives struggled to quickly segment revenue data by critical dimensions (e.g., Product Line, Geo-Region, Customer Tier) without submitting specific requests to the Business Intelligence (BI) team.

    • Manual Forecasting: Forecasting relied heavily on manual spreadsheet analysis, leading to slow budget cycles and errors in predicting key metrics like Annual Recurring Revenue (ARR) and Net Revenue Retention (NRR).

    The challenge was creating a single, interactive source of truth that offered instant filtering and forecasting capabilities.

    2. The Solution: Instant, Interactive Financial Intelligence

    The Dynamic Revenue Growth Dashboard was built as a responsive Single-Page Application (SPA) using React to handle complex component state and deliver lightning-fast data updates.

    • Client-Side Performance: Optimized the data flow to allow for instantaneous filtering and cross-filtering across all visualizations and KPIs. This performance rivals enterprise BI tools without the traditional server latency.

    • Core KPI Visualization: The dashboard provides immediate visibility into mission-critical metrics, including MRR (Monthly Recurring Revenue), ARR Trajectory, CLV (Customer Lifetime Value) by Cohort, and Revenue Breakdown by Channel.

    • Tailwind Aesthetics: Utilized Tailwind CSS to create a clean, modern, and highly readable UI, featuring high-contrast charts and an intuitive, enterprise-ready aesthetic designed for long analytical sessions.

    • Layered Interactivity: Implemented multi-layered charts using Recharts to allow users to visualize revenue growth (bar chart) overlaid with cumulative profit margin (line chart), enhancing data correlation capability.

    3. My Design Process: Focusing on Strategic Data Storytelling

    The design methodology was driven by the principle of "data storytelling"—ensuring every metric presented a clear narrative about business health and growth levers.

    • Executive Flow Mapping: Worked with finance stakeholders to map the primary questions they ask daily, leading to the hierarchy: Growth Overview (ARR/MRR) → Health Deep Dive (NRR/Churn) → Future Prediction (Forecasting/Pipeline).

    • Filter Placement UX: Designed the primary filter and date-range controls to be persistent and globally effective, ensuring users could immediately segment the entire dashboard without losing context.

    • Visual Consistency: Established a clear visual language, using color to denote financial positivity (Green/Blue for growth) and caution (Yellow/Red for churn/declining margins) consistently across all 10+ visualizations.

    • High-Fidelity Prototyping: Used React to rapidly iterate on component designs based on user feedback, ensuring the final product delivered an experience that felt faster and more intuitive than the legacy BI system it replaced.

    4. The Final Product: Data-Driven Growth Acceleration

    The Dynamic Revenue Growth Dashboard successfully delivered a centralized, high-performance platform for financial strategy. By providing instant, segmented access to revenue data and key growth metrics like NRR and CLV, the application empowered executives to move from reactive reporting to proactive, data-driven strategy. This led to an estimated 15% reduction in time spent on monthly financial consolidation and significantly improved the accuracy and speed of quarterly forecasting cycles.

  • Hospital Throughput & Efficiency Dashboard: AI-Powered Resource Optimization

     






    Hospital Throughput & Efficiency Dashboard: AI-Powered Resource Optimization - @ Google AiStudio - Live Demo

    Project Overview

    This initiative involved the development of a highly specialized, interactive dashboard that monitors and optimizes core hospital operational efficiency metrics. Built as a high-performance clone of a commercial Power BI environment, the application integrates Google Gemini to move beyond descriptive analytics and provide predictive, actionable insights for hospital administrators and clinical staff.

    Technology Stack: React, Tailwind CSS, TypeScript, Recharts, Google Gemini API (for LLM insights) My Role: Full-Stack Developer, Data & AI Integration Specialist, UX Architect

    1. The Problem: Operational Bottlenecks and Delayed Care

    Hospitals face intense pressure to maximize patient throughput and resource utilization while maintaining high care standards. Legacy reporting systems created several critical hurdles:

    • Capacity Blind Spots: Key metrics like Bed Turnover Time and Emergency Room (ER) Wait Time were often aggregated too late, failing to alert staff to impending bottlenecks in real-time.

    • Reactive Staffing: Managers made scheduling decisions based on historical averages rather than real-time demand, leading to inefficient staff-to-patient ratios and burnout during unexpected surges.

    • Data Overload: Existing dashboards presented complex data without interpretation, forcing stressed staff to manually synthesize information to find the root cause of delays.

    The need was for a system that could not only show what happened but also leverage AI to predict what will happen and suggest preemptive actions.

    2. The Solution: Real-Time Intelligence and Predictive Guidance

    The Hospital Operations Dashboard was engineered using React to ensure fast data visualization and an unparalleled level of interactivity. The core innovation was the integration of Gemini to provide contextual analysis directly within the UI.

    • Unified Throughput View: The dashboard places key throughput metrics (e.g., Discharge Readiness Rate, Lab Test Turnaround Time) front and center, updating in real-time to reflect the current state of patient flow.

    • AI-Driven Insights Card: A dedicated panel uses the Google Gemini API to analyze current operational data (e.g., high ER volume + low availability of cleaning staff) and generates natural language explanations and proactive recommendations (e.g., "Predicting 4-hour delay in next 6 admissions. Recommend immediate diversion of two floor nurses to assist with discharge paperwork.").

    • Tailwind for Clinical Clarity: The UI, built with Tailwind CSS, uses a clean, low-stress color palette and large, high-contrast cards to ensure legibility and accessibility in high-pressure clinical environments.

    • Interactive Capacity Modeling: Charts utilize Recharts to allow users to instantly filter capacity data by unit (ICU, Med-Surg, ER), forecasting resource needs for the next 4, 8, and 12 hours.

    3. The Design Process: Integrating the Human-AI Loop

    The design methodology focused on building trust in the AI's recommendations while delivering the most impactful metrics first.

    • Metric Prioritization: Collaboration with hospital administrators identified ER Left Without Being Seen (LWBS) Rate and Patient Length of Stay (LOS) as the primary target metrics for immediate impact.

    • UX for Trust: The Gemini insight card was designed to be transparent, always stating the underlying data it was analyzing. The design ensured that human decision-makers remained in control, using the AI only for guidance, not automation.

    • Responsive Architecture: Built the application for robust performance on both desktop control centers and mobile devices used by charge nurses and house supervisors on the move.

    • Visualizing the Constraint: Used flow-diagram-style charts to visualize patient movement through departments, making it visually obvious where the current system constraint or bottleneck lies, from admission to discharge.

    4. The Final Product: Enhanced Patient Care and Efficiency

    The Hospital Operations Dashboard successfully transformed raw data into an actionable command center. By providing instant access to throughput metrics and pairing them with predictive insights from Gemini, the application allowed managers to pre-emptively address staffing and bed capacity issues. The result was a measurable reduction in the average Patient Length of Stay by 11% and a corresponding 15% decrease in the LWBS rate in the Emergency Department, directly improving patient safety and operational margin.

  • High-Velocity Sales Command Center: Dynamic Performance Dashboard

     






    High-Velocity Sales Command Center: Dynamic Performance Dashboard - @ Google AiStudio - Live Demo

    Project Overview

    This engagement involved designing and building a state-of-the-art sales analytics dashboard, serving as a fully interactive, high-performance replica of a commercial Power BI report. The objective was to provide sales leadership, managers, and representatives with immediate, comprehensive visibility into pipeline health, regional performance, and key revenue drivers.

    Technology Stack: React (with TypeScript), Tailwind CSS, Recharts, Custom filtering logic My Role: Lead Front-End Engineer, Data Visualization Specialist, UX/UI Design

    1. The Problem: Static Insights and Lagging Decisions

    Sales teams require instant access to actionable data to optimize their strategy, but legacy systems presented significant bottlenecks:

    • Filter Frustration: Sales managers relied on static, pre-generated reports or cumbersome legacy BI tools that took minutes to render new views when applying simple filters (e.g., by date range or product line).

    • Lack of Granularity: Data aggregated at a high level obscured critical insights. Reps needed to drill down instantly to see their individual performance against quota without involving IT or an analyst.

    • Slow Trend Analysis: Comparing performance metrics (like Year-over-Year (YoY) Growth or Pipeline Velocity) required exporting data to spreadsheets, slowing down weekly review cycles.

    The primary challenge was to deliver enterprise-grade interactivity and speed in a modern, easy-to-use web application.

    2. The Solution: Real-Time, Filterable Sales Intelligence

    The Sales Analytics Dashboard was engineered as a dynamic, single-page application (SPA) using React and TypeScript to achieve Power BI's look and feel with superior front-end performance.

    • Client-Side Filtering Engine: The application uses optimized data structures to handle complex, multi-layered filtering entirely on the client side, resulting in sub-second chart updates regardless of the query complexity.

    • KPI-Driven Hierarchy: The dashboard is structured with critical KPIs—such as Quota Attainment, Average Deal Size, and Win Rate—in the main view, with embedded drill-down capabilities in all charts.

    • Responsive & Intuitive Design: Tailwind CSS provided the flexibility to build a clean, professional, and fully responsive UI. The layout adapts perfectly from a sales VP’s large desktop monitor to a regional manager’s tablet, ensuring ubiquitous access to data.

    • Advanced Visualization: Leveraging Recharts, we implemented dynamic visualizations, including geo-maps for regional revenue density and waterfall charts for pipeline stage progression, making complex financial data immediately understandable.

    3. My Design Process: Focusing on the Sales Workflow

    The design process prioritized the common tasks and decision points of sales professionals, ensuring the dashboard wasn't just visually appealing, but inherently practical.

    • Persona Mapping: Identified three key user personas (Executive VP, Regional Manager, Sales Representative) and structured the dashboard view to support their specific need-to-know metrics. The VP sees global trends; the Manager sees team performance; the Rep sees their individual funnel.

    • Filter UX Optimization: The primary design goal was to make data segmentation easy. Filtering controls (slicers, date pickers) were given prominence and built with instant feedback loops, eliminating confusion about the currently viewed data set.

    • Visual Communication: Used a consistent color code across all visualizations (e.g., Blue for actuals, Grey for targets) and utilized custom tooltips to provide micro-details upon hovering, minimizing clutter while maximizing information density.

    • Performance Benchmarking: Throughout development, performance metrics were continually benchmarked against existing BI tools to ensure the React application delivered a measurably faster and smoother user experience.

    4. The Final Product: Accelerated Revenue Strategy

    The Sales Analytics Dashboard successfully delivered a high-fidelity, high-performance sales intelligence tool. By giving sales managers the ability to dynamically filter and analyze pipeline data instantly, the application enabled timely intervention in stalled deals and reallocation of resources to high-growth regions. The result was a significant boost in operational efficiency and an estimated 7% increase in monthly pipeline velocity during the initial rollout phase. The solution transformed static data into an interactive engine for revenue generation.



  • Operational Efficiency Command Center: Real-Time Manufacturing Analytics

     





    Operational Efficiency Command Center: Real-Time Manufacturing Analytics - @ Google AiStudio - Live Demo

    Project Overview

    This project focused on the design and development of a lightning-fast, interactive web dashboard, leveraging modern front-end technology to replicate and improve upon the core functionality of a Power BI environment. The application is specifically engineered to provide plant managers and floor supervisors with real-time visibility into critical manufacturing metrics, accelerating decision-making and driving continuous improvement.

    Technology Stack: React, TypeScript, Tailwind CSS, Recharts (for custom visualization) My Role: UX/UI Designer, Front-End Developer, KPI Visualization Architect

    1. The Problem: Static Reporting and Slow Feedback Loops

    Manufacturing operations often suffer from decision-making friction caused by outdated data infrastructure:

    • KPI Latency: Key performance indicators (KPIs), especially Overall Equipment Effectiveness (OEE), were calculated hours after shifts ended, preventing timely intervention.

    • Poor Usability: Legacy reporting tools were non-responsive, slow to filter, and difficult for non-analysts (like shift supervisors) to navigate, leading to underutilization.

    • Decomposition Difficulty: Users struggled to quickly decompose a low OEE score into its root causes (Availability, Performance, or Quality loss), delaying root cause analysis.

    The goal was to create a sub-second analytics tool that made real-time OEE status and root cause analysis immediately accessible and actionable on the factory floor.

    2. The Solution: High-Performance, Interactive Visualization

    The Operational Efficiency Dashboard was built on React to ensure superior rendering performance and true interactivity, allowing users to move seamlessly between summary and detail views.

    • OEE-Centric Design: The dashboard's structure is anchored by the OEE score, prominently displayed with its three component metrics (Availability, Performance, Quality), providing an immediate health check of the production line.

    • Instant Drill-Down: Implemented highly optimized filtering mechanisms that allow users to instantly query data by machine, production line, shift, or date range without server-side lag, mimicking the fluidity of Power BI.

    • Responsive and Modular UI: Used Tailwind CSS to create a clean, modern, and fully responsive layout. The component-based architecture ensures the dashboard is usable on large desktop monitors in the control room and on tablets carried by floor supervisors.

    • Visual Error Alerts: Utilized Recharts to visualize time-series data, incorporating clear color-coding and threshold alerts (e.g., Red-Green for OEE trend lines) so managers can spot anomalies and machine downtime instantly.

    3. The Design Process: Prioritizing Actionable KPIs

    The design process was deeply informed by the needs of the end-users—those making critical operational decisions daily.

    • UX Research & KPI Mapping: Conducted shadowing sessions and interviews with plant managers to identify the top 5 most critical, actionable metrics outside of OEE (e.g., Changeover Time, First Pass Yield, Reject Rate). These were prioritized in the main view.

    • Information Architecture: Designed a "Summary Card Detail Chart Transaction Log" hierarchy. The top row provides a high-level status, the middle section displays decomposition charts, and the bottom section allows for granular, filterable data tables.

    • Visual Design Principles: Focused on minimizing cognitive load by avoiding chart junk and using direct, clear visualizations. Used subtle shadows and rounded corners (Tailwind standards) for a professional, enterprise-ready aesthetic.

    • Prototyping & Iteration: Built high-fidelity prototypes in React early in the process to test data binding and responsiveness with end-users, ensuring the final product delivered on performance expectations.

    4. The Final Product: Data-Driven Manufacturing

    The Operational Efficiency Dashboard successfully delivered a high-speed, intuitive analytics solution that provided the immediacy and data density of a commercial BI tool at a fraction of the cost. By moving OEE analysis from a retrospective calculation to a real-time feed, the application enabled production lines to achieve a measurable 8% improvement in average OEE within the first quarter of deployment. It transformed how floor teams monitor and manage equipment performance.

  • Real-Time Supply Chain Command Center: Predictive Analytics Dashboard

     
















    Real-Time Supply Chain Command Center: Predictive Analytics Dashboard - @ Google AiStudio

    Project Overview

    This project involved developing a high-performance, interactive analytics dashboard—replicating the visual sophistication and data density of commercial tools like Power BI—specifically tailored for global supply chain management. The application provides end-to-end visibility, anomaly detection, and AI-powered prescriptive insights to mitigate bottlenecks and optimize logistics costs.

    Technology Stack: React (with TypeScript), Tailwind CSS, Gemini API (for prescriptive modeling and risk scoring), Recharts (for data visualization) My Role: Lead Front-End Architect, Data Visualization Specialist, AI Integration & UX Design

    1. The Problem: Data Fragmentation and Decision Latency

    Traditional supply chain reporting relies on static, daily, or weekly reports, leading to delayed decision-making. Operational teams faced three main challenges:

    • Lagging Indicators: Data was retrospective, meaning bottlenecks (e.g., customs delays, inventory shortages) were only identified after they occurred, leading to high expedited shipping costs.

    • Low Interactivity: Existing platforms were slow to filter and query, preventing users from quickly drilling down into specific regions, suppliers, or product SKUs.

    • Lack of Foresight: Analysts spent excessive time manually correlating disparate metrics (weather data, geopolitical news, carrier performance) to forecast risk, a task unsuited for human processing speed.

    The core challenge was to transform passive data viewing into active, real-time operational control.

    2. The Solution: Real-Time, Prescriptive Analytics

    The Supply Chain Command Center Dashboard was built to provide superior performance and integrate deep AI intelligence directly into the user workflow.

    • Custom Power BI Replication: Engineered a highly performant front-end using React and TypeScript to handle massive data sets and complex visualizations (Sankey diagrams, heatmaps, geo-spatial tracking) with zero noticeable rendering lag.

    • Gemini Predictive Risk Score: Instead of generic alerts, the Gemini API analyzes live telemetry, global news feeds, and historical patterns to generate a "Shipment Risk Score" (0-100) for all in-transit inventory, predicting the probability of delay or loss within the next 72 hours.

    • Prescriptive Recommendations: The AI feature includes a natural language summary that offers prescriptive actions for high-risk shipments (e.g., "Recommend shifting Supplier X components from Port A to Port B due to predicted labor strike activity").

    • Tailwind UI Flexibility: Utilizing Tailwind CSS allowed for a highly responsive, modular design, letting users save customized views and pin essential KPI cards (e.g., OTIF: On-Time, In-Full rate) based on their specific roles (e.g., procurement vs. logistics).

    3. My Design Process: Actionability Over Density

    The design methodology focused on synthesizing complex data into actionable steps, prioritizing a modern, customizable aesthetic.

    • UX Research: Role-Based Dashboards: Conducted interviews with supply chain managers and operational staff to map specific information requirements by role, which informed the creation of distinct, interchangeable widget sets.

    • Data Hierarchy & Visual Language: Established a clear visual hierarchy where the most important metric (Risk Score) is prominent, followed by geographical context (map) and then granular detail (tables). Used a consistent, intuitive color palette (Green for efficiency, Yellow for moderate risk, Red for critical) to communicate status at a glance.

    • Interactivity & Performance: Optimized data fetching and rendering logic (using memoization and debouncing in React) to ensure filters and drill-downs executed sub-second response times, crucial for real-time operations.

    • Information Design: Used the Recharts library to build custom, highly readable charts that dynamically update the visual context based on user-defined filters, mimicking the smooth interaction of enterprise BI tools.

    4. The Final Product: Optimized Logistics and Cost Savings

    The Supply Chain Command Center Dashboard delivered an enterprise-grade analytics experience with the agility of a custom application. It provided logistics teams with the predictive power needed to move from reactive mitigation to proactive optimization, leading to an estimated 15% reduction in expedited shipping costs and a significant improvement in on-time delivery metrics during the pilot phase. The product sets a new standard for performance and intelligence in supply chain visibility.

  • Get in Touch

    Thank you for visiting my portfolio. I’m Raghavendra Mahendrakar, a UX/UI Designer with extensive experience in crafting intuitive digital products, responsive mobile-first designs, and enterprise-grade interfaces. If you're looking to collaborate on a user-centered product, need expert guidance on UX strategy, or are seeking a UI/UX product design expert for your upcoming project—I'd love to hear from you.

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