Jatin Garg

Lead Experience Engineer at Publicis Sapient (2025-05 – Present)

Project: Bank of America - Global Supervisory Trading Application. Tech: React, TypeScript, Redux Thunk, AG-Grid, Material UI, Node.js, Express, MongoDB

• Redesigned and rebuilt the Version 3 trading dashboard, migrating from legacy V2 to modern React architecture with improved usability and performance.
• Engineered high-performance data grids using AG-Grid, handling large-scale datasets (2M+ records) with server-side pagination, lazy loading, and virtualization.
• Refactored Redux-Saga to Redux Thunk to simplify asynchronous workflows and improve maintainability of state management.
• Optimized frontend performance using memoization, lazy loading, and efficient rendering strategies for large datasets.
• Architected reusable React components and custom hooks to standardise business logic, API handling, and grid configuration across multiple dashboards.
• Structured state management using Redux slices for different dashboards, enabling modular development and improved scalability.
• Integrated REST APIs and handled large-volume data transformations for reporting and monitoring workflows.
• Maintained production-quality standards by authoring unit and component tests using Jest/ React Testing Library.

Technical Lead at HCL Tech (2021-12 – 2025-05)

Project: Western Union – Amerigo. Tech: React, React Native, Next.js, TypeScript, GraphQL, Redux-Saga

• Led development of multi-country KYC system (Bahrain, Qatar, Saudi Arabia, UAE) for web and mobile platforms.
• Optimized frontend performance using React Profiler, reducing render latency by 45% (5.21ms → 2.9ms) by identifying bottlenecks and implementing lazy loading for components and images.
• Implemented OTP-based authentication and reusable component architecture.
• Integrated Sift Science fraud detection, reducing fraudulent transactions by 15%.
• Integrated Hyperpay payment gateway for Saudi Arabia corridor.
• Resolved production issues using Quantum Metric analytics.

Technical Lead at HCL Tech (2021-12 – 2025-05)

Project: Gartner – TalentNeuron. Tech: React, TypeScript, Redux, SCSS, Styled Components, React Charts, Storybook

• Developed interactive dashboards for large-scale global talent analytics.
• Built scalable data visualization modules for skills demand and workforce trends.
• Implemented hiring difficulty rating system using aggregated workforce data.
• Developed modular UI components using Storybook.

Software Developer at GWL Infotech Pvt Ltd (2021-02 – 2021-12)

Tech: React, TypeScript, Redux, SCSS, Styled Components

• Developed data-driven financial tracking dashboards using React and TypeScript.
• Implemented Redux + Redux Thunk for scalable state and API management.
• Built media capture features (selfie + audio recording) using WebRTC and FFmpeg integration.
• Improved application performance and responsiveness across devices.

Associate Software Developer at Mobile Programming LLC (2017-03 – 2020-03)

Tech: React, JavaScript, Redux, React Router, Material UI, Bootstrap

• Developed responsive healthcare dashboards for glucose monitoring and analytics.
• Implemented protected routing and authentication flows using React Router.
• Built dynamic data visualizations for 14–30 day trend analysis.
• Optimized rendering performance using memoization and efficient state updates.

B.Tech – Jaypee University of Information Technology (2012-06 – 2016-06)