Acted as Tech Lead, leading a cross-functional engineering team to design and deliver a new fashion business line from scratch under tight deadlines aligned with critical business goals.
Architected and implemented a scalable platform enabling premium and luxury brands to onboard and sell via Digikala, integrating seamlessly with core microservices including cart, payment, shipping, and address systems.
Drove end-to-end development, from system design to production rollout, ensuring reliability, scalability, and alignment with high-margin business requirements.
Enabled onboarding of 5K+ designer and luxury brands, introducing high-margin product categories previously unavailable on the platform.
Generated a new revenue stream exceeding €10M+ annually (estimated GMV contribution), significantly increasing Digikala’s market share in the premium and luxury segment.
Led the development of a live-commerce platform from zero to production, enabling third-party customers to create accounts, workspaces, manage members, webhooks, and streaming.
Built and deployed microservices for chat and real-time event streaming using EMQX and MQTT, handling 20K+ concurrent users with sub-50ms latency.
Developed and optimized RTMP streaming and HLS support for seamless video delivery across multiple quality levels.
Designed and deployed the system using Java (Spring Boot), MySQL, Redis, EMQX, RTMP with horizontal scaling capabilities, reducing latency by 40% and improving streaming stability.
Developed comprehensive gamification system recognizing user contributions across social activities with 5+ badge types.
Implemented generic badge calculation framework using Strategy pattern for easy extension of new badge types.
Built analytics engine processing user behavior data from Elasticsearch and MySQL with batch processing optimization.
Designed multi-level caching strategy with Redis achieving 80%+ cache hit ratio and
