Headline

Senior Frontend Engineer @Walmart | Ex-Lowe’s | React, Javascript, GraphQL| Micro Frontends & Nx Monorepo Architecture | Retail, Supply Chain & Ad-Tech

About

Hi There ! 👋 I'm Sourjya A Software Engineer III at Walmart with 8+ years building large-scale web applications in React, TypeScript, and JavaScript for enterprise retail and supply chain platforms (Walmart, Lowe's). A major focus of my work is migrating monolithic frontends to Micro Frontend architectures using Single-SPA and Nx Monorepo, so multiple teams can ship independently instead of blocking on shared release cycles. I also work extensively with GraphQL and Backend-for-Frontend (BFF) layers, and spend a lot of time on performance tuning (Core Web Vitals, bundle splitting) and accessibility. Over the past year, I've integrated AI tools like Claude and Cursor into daily engineering workflows to speed up code review and catch issues earlier. I enjoy mentoring engineers and have done it consistently across every team I've worked on. Always learning, always building.

Location

Bengaluru

AI stack

claude

codex

cursor

gemini

openai

ChatGPT

Work experience

Software Engineer III at Walmart Global Tech India, Mar 2025 - Present · 1 yr 7 mos, Bengaluru, Karnataka, India, – Migrated 5+ frontend modules from a monolith to Single-SPA Micro Frontend architecture, freeing teams from a shared biweekly release train. Deployment frequency went from once every two weeks to 2 to 3 times per week, roughly a 5x increase. – Structured the supply chain planning tool within an Nx Monorepo, establishing shared UI libraries and clear module boundaries to prevent duplicated effort and overlapping builds across frontend teams. code ownership, build consistency, and collaboration across frontend teams. – Leveraged AI agents , into the daily development workflow, building reusable prompts and skills that supported code reviews and caught UI bugs early, helping shave time off PR cycles. – Optimized Backend-for-Frontend (BFF) services to prevent over-fetching, reducing client-side round trips and improving load times for planners managing inventory across 600+ club locations. – Improved Core Web Vitals (LCP and INP) across high-traffic supply chain screens through lazy loading, JS bundle splitting, and removing render-blocking scripts, partnering with the QA/perf team to validate performance gains.

Software Engineer at Lowe's India, Jul 2022 - Mar 2025 · 2 yrs 9 mos, Bengaluru, Karnataka, India, – Developed Lowe’s in-house Ad Manager Platform to manage Display and Sponsored Ads, supporting 10+ brands and generating over $100K in monthly revenue. – Designed and developed end-to-end components for user and vendor workflows, covering campaign creation in the Ad Manager to report generation on the platform. – Built an end-to-end Micro Frontend (MFE) with Vite, featuring a product lookup dashboard developed using MUI. – Built a reusable custom hook to manage polling, loading states, error handling, and result refresh logic for the product lookup dashboard, reducing turnaround time from 15 minutes to under 2 seconds. – Implemented a polling methodology to efficiently fetch and display data from a dataset of 2M online and 6M offline records in a data table. – Built intuitive and visually consistent user interfaces using modern UI frameworks and libraries, including MUI, Lowe’s Backyard, Tailwind CSS, and DaisyUI. – Implemented Micro Frontend (MFE), Server-Side Rendering (SSR), and Client-Side Rendering (CSR) approaches to improve application performance, scalability, and maintainability – Collaborated with Product, UX, QA, and backend teams to deliver visually consistent, cross-device applications while resolving technical issues and meeting project timelines. – Received multiple spot and excellence awards for delivering projects on time with high quality and strong ownership.

Technology Analyst at Infosys, Aug 2021 - Jul 2022 · 1 yr, Bengaluru, Karnataka, India, - Designed key components of a banking project, including the landing page, sign-up menu, statement summary, standing transactions, and pending payments sections. - Developed web page structures that effectively balanced user requirements with functional and aesthetic design principles. - Evaluated UX and UI designs for technical feasibility to ensure a seamless user experience.

Senior System Engineer at Infosys, Jun 2020 - Aug 2021 · 1 yr 3 mos, India

Systems Engineer at Infosys, Jun 2018 - May 2020 · 2 yrs, Bangalore

Education

Bachelor's technology, Information Technology, Veer Surendra Sai University Of Technology ( Formerly UCE ), Burla

COLLEGE, SCIENCE, Kalinga Bharati Residential College

Public links

sourjyaswarup.in: https://sourjyaswarup.in/