I'm Udit Swaroopa, a senior software engineer in Bengaluru with nearly six years of shipping. I write React and Svelte for the web, Flutter and Swift for mobile, and Node.js, Supabase and AWS underneath, then take it all the way to production.
Four teams across three countries.
New York, remote
Cross-platform rendering engine for web and mobile, CI/CD and releases, code reviews and mentoring.
Bengaluru
Buyer and seller apps for WorldTradeX, on a shared architecture over AWS and GraphQL.
Ontario, remote
Multi-chain NFT portfolio, and an embedded frame with a processor-level enclave.
New Delhi
Modernized WowTalent and shipped it to 100K+ downloads.
Products I've built across web, mobile and backend: what it was, what I owned, and what came out of it. Filter to see one layer.
Senior Software Engineer
Mongoose's app platform renders the same product on the web and on both mobile platforms. I architect and build the rendering engine underneath it and keep the three surfaces behaving the same way, including WCAG accessibility compliance.
I also own delivery: CI/CD pipelines, iOS and Android signing and releases, and the code reviews and mentoring that keep the codebase healthy.
SDE2
Owned both production apps on WorldTradeX, the buyer and the seller: payments, orders, inventory, real-time notifications, search, recommendations, analytics and checkout.
The work was the architecture under them. Both apps sat on one domain so a trade stayed a single fact, the APIs behind it were on AWS, and GraphQL let each app ask for its own view of that fact. Admin, backend, tests and releases moved in the same pipeline.
SDE1
NFTs lived in separate wallets on separate chains, so nobody could see one collection, and a token could be sold but not leased. I shipped the multi-chain portfolio on Flutter, then went below the phone: embedded Flutter on an in-house frame, and a processor-level enclave that casts a token you own or lease without taking the key.
BlockFrameNFT was later acquired by TokenFrame.
Read the storyFrontend Developer
Rebuilt a hard-to-change codebase around SOLID and clear patterns, introduced TDD and automated tests, and set up CI/CD so releases stopped being a gamble.
The bigger win was on the media side: video playback was janking and blocking the UI thread under load, so I moved decoding and buffering work onto Dart isolates to keep the main thread free, and reworked the playback pipeline's buffering strategy to cut stutter on mid-range Android devices. That, plus the modernized codebase, is what let the app scale to its download and DAU numbers without the crash and ANR rate climbing with it.
I also owned the migration off MongoDB onto PostgreSQL on AWS, while the app kept shipping.
Website built as volunteer service, helping pilgrims and visitors find information on Mayapur.
Visit siteMulti-tenant white-label hotel booking SaaS for Indian hospitality, now live.
Visit siteOpen-source Dart package for MIME and file-extension conversion and file-signature detection. Zero dependencies, 66 tests.
View on pub.devPortfolio and event sites built for friends and family with SvelteKit and Tailwind, designed and deployed end to end.
Independent iOS apps in Swift, with UI tests automated through Appium.
401 contributions in the last year
Nearly six years in, most of what I've shipped has been rescuing systems that were struggling under their own weight: a video pipeline that janked on mid-range phones, a marketplace app juggling payments and inventory in real time, a rendering engine that has to behave the same way on web, iOS and Android.
The common thread is going underneath the UI to where things actually break: isolates and buffering strategies, API contracts, signing and release pipelines, the architecture that decides whether a feature takes a day or a week to add.
I work across whichever layer the problem needs, web, mobile or backend, rather than staying in one lane.
Building a cross-platform rendering engine at Mongoose AI.
Asansol Engineering College, 2018 to 2021 · CGPA 9.25/10
Web app, mobile app, or the backend for both. I'm happy to talk.