Rounakk Raaj Sabat

• –Engineered a full-stack IoT platform using Next.js, Socket.io, WebRTC, and MQTT to stream real-time drone telemetry and camera feeds with low-latency communication.
• –Containerized services with Docker and deployed on AWS using CI/CD pipelines, reducing deployment time by 35%.

• –Engineered a serverless e-commerce backend using Node.js and AWS Lambda, implementing idempotent APIs and secure payment workflows to improve transaction reliability and fault tolerance.
• –Integrated PhonePe payment webhooks with validation and automated retry mechanisms for failure recovery.
• –Architected infrastructure using Cognito, S3, CloudFront, AWS SAM, and CloudWatch for scalable deployment and monitoring.

• –Developed a React Native application integrated with Supabase and PostgreSQL, enabling real-time data synchronization and improving user experience across connected devices.
• –Implemented Postgres subscriptions, Edge Functions, and GitHub Actions CI/CD workflows, reducing deployment time by 30%.
• –Enhanced application reliability through event-driven architecture and optimized database operations.

TypeScript, Docker, Kubernetes, ArgoCD, Prometheus, Grafana • [GitHub]

• –Developed a real-time observability dashboard and REST APIs for monitoring distributed microservices.
• –Deployed cloud-native infrastructure using Docker, Kubernetes, ArgoCD, Prometheus, and Grafana to improve system observability and operational visibility.

TypeScript, Express.js, Rust, LangChain, LangGraph • [GitHub]

• –Built an automated arbitrage trading system executing cross-exchange strategies with 15% annualized returns in backtests.
• –Processed 1M+ stock market data points daily with real-time analysis latency below 200ms.

C, Makefile • [GitHub]

• –Built a custom memory allocator using segregated free lists with coalescing and block splitting techniques.
• –Reduced memory fragmentation and improved allocation efficiency through optimized memory management and alignment strategies.