Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I am a seasoned UI Architect with 17+ years of experience delivering enterprise-grade web and mobile applications and leading high-impact engineering teams. I specialize in building large-scale e-commerce platforms, optimizing web performance, accessibility, and security at scale. I have designed and implemented monorepos, micro frontends, and modular architectures to enable scalable, maintainable solutions across complex organizations. Recently, I led the frontend architecture and dApp development for Polytrade Finance, a multi-chain Real-World Asset marketplace, integrating Web3 technologies such as smart contracts, DeFi protocols, and blockchain analytics into production-grade applications. I excel at bridging traditional frontend architecture with decentralized systems for secure, real-time asset trading. Highlights include delivering UI for Informatica Cloud Platform, leading a 10-member engineering team at Walmart.com delivering core features for Search, Item, and Category Pages; and a deep expertise in modern stacks (React, Next.js, TypeScript), Web3 libraries (Ethers.js, Web3.js), and best practices for speed, security, and developer efficiency.…I am a seasoned UI Architect with 17+ years of experience delivering enterprise-grade web and mobile applications and leading high-impact engineering teams. I specialize in building large-scale e-commerce platforms, optimizing web performance, accessibility, and security at scale. I have designed and implemented monorepos, micro frontends, and modular architectures to enable scalable, maintainable solutions across complex organizations. Recently, I led the frontend architecture and dApp development for Polytrade Finance, a multi-chain Real-World Asset marketplace, integrating Web3 technologies such as smart contracts, DeFi protocols, and blockchain analytics into production-grade applications. I excel at bridging traditional frontend architecture with decentralized systems for secure, real-time asset trading. Highlights include delivering UI for Informatica Cloud Platform, leading a 10-member engineering team at Walmart.com delivering core features for Search, Item, and Category Pages; and a deep expertise in modern stacks (React, Next.js, TypeScript), Web3 libraries (Ethers.js, Web3.js), and best practices for speed, security, and developer efficiency.

Devendra Singh Negi

Front-End Developer, Full Stack Developer, UI Designer, +4





I am a seasoned UI Architect with 17+ years of experience delivering enterprise-grade web and mobile applications and leading high-impact engineering teams. I specialize in building large-scale e-commerce platforms, optimizing web performance, accessibility, and security at scale. I have designed and implemented monorepos, micro frontends, and modular architectures to enable scalable, maintainable solutions across complex organizations. Recently, I led the frontend architecture and dApp development for Polytrade Finance, a multi-chain Real-World Asset marketplace, integrating Web3 technologies such as smart contracts, DeFi protocols, and blockchain analytics into production-grade applications. I excel at bridging traditional frontend architecture with decentralized systems for secure, real-time asset trading. Highlights include delivering UI for Informatica Cloud Platform, leading a 10-member engineering team at Walmart.com delivering core features for Search, Item, and Category Pages; and a deep expertise in modern stacks (React, Next.js, TypeScript), Web3 libraries (Ethers.js, Web3.js), and best practices for speed, security, and developer efficiency.…I am a seasoned UI Architect with 17+ years of experience delivering enterprise-grade web and mobile applications and leading high-impact engineering teams. I specialize in building large-scale e-commerce platforms, optimizing web performance, accessibility, and security at scale. I have designed and implemented monorepos, micro frontends, and modular architectures to enable scalable, maintainable solutions across complex organizations. Recently, I led the frontend architecture and dApp development for Polytrade Finance, a multi-chain Real-World Asset marketplace, integrating Web3 technologies such as smart contracts, DeFi protocols, and blockchain analytics into production-grade applications. I excel at bridging traditional frontend architecture with decentralized systems for secure, real-time asset trading. Highlights include delivering UI for Informatica Cloud Platform, leading a 10-member engineering team at Walmart.com delivering core features for Search, Item, and Category Pages; and a deep expertise in modern stacks (React, Next.js, TypeScript), Web3 libraries (Ethers.js, Web3.js), and best practices for speed, security, and developer efficiency.

Available to hire

I am a seasoned UI Architect with 17+ years of experience delivering enterprise-grade web and mobile applications and leading high-impact engineering teams. I specialize in building large-scale e-commerce platforms, optimizing web performance, accessibility, and security at scale. I have designed and implemented monorepos, micro frontends, and modular architectures to enable scalable, maintainable solutions across complex organizations. Recently, I led the frontend architecture and dApp development for Polytrade Finance, a multi-chain Real-World Asset marketplace, integrating Web3 technologies such as smart contracts, DeFi protocols, and blockchain analytics into production-grade applications.

I excel at bridging traditional frontend architecture with decentralized systems for secure, real-time asset trading. Highlights include delivering UI for Informatica Cloud Platform, leading a 10-member engineering team at Walmart.com delivering core features for Search, Item, and Category Pages; and a deep expertise in modern stacks (React, Next.js, TypeScript), Web3 libraries (Ethers.js, Web3.js), and best practices for speed, security, and developer efficiency.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Full Stack + Web 3 Engineer at Polytrade Finance

May 1, 2025 - September 25, 2025

Led the design and development of a multi-chain RW A marketplace, deploying to AWS Amplify and integrating 10,000+ digital and tokenized assets across 5+ blockchains to enable seamless real-time trading and analytics. Built horizontally scalable, event-driven microservice architecture on ECS/Fargate, achieving significant throughput gains while maintaining sub-second latency. Integrated complex smart contract logic into React/Next.js frontend apps to enable asset wrapping, listing, purchases, ownership transfers, and royalty distribution. Delivered DeFi features including staking, lending, liquidity pooling, and NFT marketplace modules with performant state handling via RTK Query and Redux. Collaborated with blockchain and backend teams to optimize contract interactions and build a unified trading dashboard, while continuously improving UI/UX, DevOps pipelines, and scalability metrics.

UI Architect at Polytrade Finance

January 1, 2024 - May 1, 2025

Led, mentored, and managed a high-performing frontend/mobile team of 8 developers, fostering a culture of technical excellence, accountability, and continuous improvement. Integrated complex smart contract logic into React Native/Next.js frontend apps to enable asset wrapping, listing, purchase flows, ownership transfers, and royalty distribution. Delivered core DeFi features including staking, lending, liquidity pooling, and NFT marketplace modules with an intuitive UX and performant state handling via RTK Query and Redux. Collaborated cross-functionally with blockchain and backend engineers to enhance contract interactions, optimize responsiveness, and build a unified trading dashboard. Drove continuous improvements across UI/UX, DevOps pipelines, and scalability metrics to support real-time trading operations and dynamic asset management.

Frontend Engineer at AI

January 1, 2024 - September 25, 2025

Architected and implemented module federation for scalable, reusable micro frontends; established UI guidelines and performance standards; supported analytics and dashboard features with a focus on responsiveness and accessibility.

UI Architect at AI (Analytics & Intelligence Dashboard)

January 1, 2023 - January 1, 2024

Designed and implemented Micro Frontend Architecture using Webpack 5's Module Federation to create highly scalable and independently deployable UI components. Defined a high-performance, resilient UI architecture that significantly reduced build times and improved runtime performance across multiple applications through efficient sharing of dependencies. Established comprehensive UI/UX guidelines and coding standards adopted by the entire engineering team, ensuring consistency, maintainability, and faster onboarding.

January 1, 2023 - January 1, 2024

Analytics and Intelligence Dashboard project; designed and implemented a micro-frontend architecture using Webpack 5 Module Federation to create scalable, independently deployable UI components; established comprehensive UI/UX guidelines for consistency and faster onboarding.

Frontend Engineer at Informatica

January 1, 2023 - September 25, 2025

Led development of fast and reliable e-commerce frontend for MSMEs, focusing on performance optimization, scalable architecture, and robust security practices.

UI Architect at Self-Employed

April 1, 2022 - January 1, 2023

Built a performance-optimized e-commerce platform with robust security measures, leveraging modern frontend practices to ensure scalability for small and medium businesses. Focused on delivering high-velocity UI with accessibility and security best practices at scale.

Frontend Architect at Informatica

March 1, 2021 - March 1, 2022

Delivered end-to-end frontend solutions for Informatica Cloud Platform, balancing legacy and modern codebases. Improved platform performance and resolved critical customer issues. Collaborated with leadership to define roadmaps and manage a high-performing team.

Frontend Engineer / Lead at Informatica (Informatica Cloud Platform)

March 1, 2021 - March 1, 2022

Delivered end-to-end frontend for Informatica Cloud Platform, modernized legacy codebases, improved platform performance, and collaborated with leadership to define roadmaps and drive high-performing teams.

Frontend Engineer at Cisco Systems

November 1, 2020 - September 25, 2025

Delivered secure, scalable IoT platform frontend features with strong focus on reliability and test coverage; contributed to CI/CD pipelines.

Senior Frontend Engineer at Walmart Labs

February 1, 2020 - September 25, 2025

Led a discovery team of 10 engineers delivering core features for Search, Item, and Category Pages across multiple brands; drove site speed optimizations and accessibility.

Tech Lead - Frontend at Walmart Labs

April 1, 2018 - February 1, 2020

Led a discovery team of 10 engineers delivering features across Search, Item, and Category Pages at scale. Ensured site speed, accessibility, and seamless user experiences. Drove micro frontend adoption, improved modularity, and enhanced team productivity.

Lead Frontend Engineer / Discovery Lead at Walmart Labs

April 1, 2018 - February 1, 2020

Led a discovery team of 10 engineers, delivering features across Search, Item, and Category Pages at scale. Drove site speed optimizations, accessibility standards, and seamless UX. Championed the adoption of micro-frontend architecture.

Frontend Engineer at Wipro Digital

April 1, 2018 - September 25, 2025

Delivered frontend for IoT dashboard and related projects; mentored peers and contributed to design reviews.

Frontend Engineer at Wipro Digital

January 1, 2017 - April 1, 2018

Architected an Angular-based IoT dashboard (Looking Glass); delivered real-time data tracking UI; ensured high performance and responsive UX across devices.

Independent Contractor / Frontend Engineer at Saxo Bank

January 1, 2017 - September 25, 2025

Migrated the Saxo TraderGo platform from Spin e.js to a React-based architecture, enhancing performance, scalability, and maintainability; supported feature development like watchlists and real-time charts.

Frontend Engineer - Saxo TraderGo at Saxo Bank

April 1, 2015 - January 1, 2017

Designed and implemented features enabling users to create watch lists, view interactive charts, and initiate trades from multiple entry points. Integrated an in-house charting library and contributed to migrating Saxo TraderGo from Spine.js to a React-based architecture, improving performance and scalability.

Frontend Developer (Independent Contractor) at Betsol

February 1, 2014 - April 1, 2015

Developed a real-time chat application from scratch, enabling one-to-one messaging, multi-user chat rooms, chat transfers between participants, and inviting additional participants to ongoing conversations. Delivered the solution independently as an IC using jQuery and Knockout.js.

Frontend Engineer at Yahoo / ITC Infotech

February 1, 2013 - January 1, 2014

Contributed to Yahoo! Answers and related frontend features for a large global user base (multi-language and multi-market). Implemented frontend enhancements and collaborated on cross-team integration efforts.

Frontend Developer at Mobisy

October 1, 2009 - July 1, 2011

Led frontend work for Bizom, a powerful mobile cloud solution for enterprise customers. Focused on scaling UI for large user bases and improving modularity and developer productivity.

Frontend Developer at MindTech

August 1, 2008 - August 1, 2009

Worked on the Gennext PepsiCo project; migrated server-side architecture from Spine.js to a React-based stack and modernized the web/mobile interface for a unified experience.