Software Developer — Backend, Data & AI

End-to-end machine learning platform for developer salary prediction, covering data ingestion, ETL, model training, experiment tracking, real-time inference and observability.

Contribution: Training and inference API architecture, ML pipeline integration, MLflow tracking and artifact logging, and containerized GPU support.

• Python
• FastAPI
• PyTorch Lightning
• MLflow
• PostgreSQL
• MinIO
• Docker / Compose

Event-driven HTTP/1.1 server written in C++98, with non-blocking socket I/O, request parsing, routing, static file serving, CGI execution, uploads and configurable server behavior.

Contribution: Co-designed the architecture and configuration schema; implemented CGI integration, POST and DELETE handling, and part of chunked request parsing; contributed to the configuration parser.

• C++98
• HTTP/1.1
• Sockets
• epoll
• CGI
• Unix processes
• fork
• Non-blocking I/O

Full-stack multiplayer game platform with server-side game logic, remote play over WebSockets, authentication, live chat, tournaments, user profiles and player statistics, built around a containerized microservices backend.

Contribution: Designed the microservice architecture and initial backend; implemented most of the game service and contributed heavily to the user service, including WebSocket communication, Redis presence, JWT/JWKS authentication, inter-service communication, middleware and parts of the frontend.

• TypeScript
• Fastify
• Node.js
• WebSockets
• Redis
• JWT
• JWKS
• SQLite
• Docker
• Microservices