Portfolio
I have put here incomplete list of projects I have worked on.
Meta - Debugging Data Ingestion Service
Full-stack service built at Meta for ingesting and debugging test results at scale. Backend: a REST service received results from dozens of test frameworks (Jest, JUnit, Playwright, Cypress, and more) - from smaller suites posting 72,000 requests per day to the largest running 4 million tests in a single daily run. Frontend: a React app with custom debugging tools, including diff and log viewer/analyzer components, built with caching and performance-optimized rendering.
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Booking.com Pricing Discounts
Created discounts and reward products applied to most prices displayed on the hotel reservation page. Developed new product features for partners and ran A/B tests.
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Practice Interview Platform
A SaaS platform that connects users for live mock interviews and enables structured feedback collection. Built full-stack system (Next.js + Node.js + PostgreSQL) with Stripe payments, Google Analytics, and real-time feedback features via Socket.IO. Managed deployment on Hetzner using Docker and Nginx.
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Live Interview Realtime Collaboration Tool
A real-time platform for live interviews featuring collaborative code editing, integrated chat, and audio/video calling. Enables candidates and interviewers to code together, communicate via chat and voice/video, and provide instant feedback within the same session. Built with advanced WebRTC for calls, collaborative code editing (Monaco/CodeMirror), and Socket.IO/WebSockets for real-time sync.
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Meta Oculus CI/CD Pipeline
Automated the Oculus Remote Desktop Release pipeline, reducing release time from a day to about 30 minutes
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Meta SDLC - Feature Roadmap Tracker
Led a team to develop a Feature Roadmap Tracker software on React/JS/GraphQL/REST adopted by over seven teams in Reality Labs
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HSBC - Trading Platform SPA
As a contractor, I worked on the HSBC internal Trading Software; I rewrote the existing Ext.JS app to fully functional React/TS/SPA
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