Built and maintained full-stack casino web applications using Nuxt.js, Node.js, and MongoDB, powering live operations across multiple markets. Developed REST and WebSocket APIs for player management, wallet operations, and bonus campaigns, reducing API latency by 35%. Created real-time admin dashboards in Nuxt for monitoring player behavior, fraud alerts, and KPI analytics. Led Node.js microservices for player accounts, bets, and transactions, cutting query response time by 40%. Automated deployments using Docker, Nginx, and GitHub Actions, achieving 99.99% uptime. Mentored 4 junior developers, improving delivery speed and code consistency across the engineering team.

Senior Full-Stack Developer at GreenTube

February 1, 2020 - Present

Built an internal analytics service to track game performance and player behavior in real time. Designed data pipelines with FastAPI and Redis for login estimation and real-time analytics across multiple data sources. Created PostgreSQL schemas and ORM optimization with SQLAlchemy, improving query speed by 25%. Implemented synchronous task execution for heavy computations, reducing processing time by 30%. Developed internal admin dashboards and data visualization tools with Django templates and React, ensuring GDPR compliance, logging, and monitoring through AWS CloudWatch and DataDog.

Senior Full-Stack Developer at GameBeat Studio

August 1, 2018 - Present

Developed the core architecture for wallet management, bonus logic, and KYC workflows. Implemented scalable microservices in Node.js and MongoDB to enable dynamic content delivery for wallet operations across regions. Created reusable React components and game overlays used in six integrated external SDKs and payment providers to enable real-time betting and payout flows. Contributed to deployment automation via Docker and Jenkins, reducing build time by 70%. Collaborated with designers and QA to maintain performance and compatibility across browsers and resolutions.