- Full-stack development of enterprise BPMN-based workflow platform used across multiple internal departments. - Implemented change-aware CI/CD pipeline for microservice platform, cutting pre-deploy build time from ∼1hour to under 10 minutes. - Owned backend architecture and integration services for microservice-based platform (14+ services). - Implemented monitoring and alerting using Prometheus and Grafana for production systems. - Technology stack: Typescript, Node.js, Rust, Anchor, Redis, PostgreSQL, Docker, Kubernetes, RabbitMQ, Grafana, Prometheus.

- Full-stack development of marketing and analytics platform for EdTech product - Integrated third-party services (HubSpot, Facebook Business SDK, JustCall, ExpertSender). - Migrated large historical datasets (∼360K records) to production analytics storage. - Participated in successful production delivery of 4 customer-facing features. - Enhanced data analytics capabilities by implementing BigQuery as secondary storage, improving marketing and sales decision-making process by providing actionable insights. - Technology stack: Typescript, Python, Node.js, Moleculer, Redis, MySQL, Docker, Kubernetes, ELK, Terraform, Microservices.

- Backend development for blockchain custody and infrastructure platform. - Designed RPC and blockchain interaction layer for multiple networks. - Automated NFT whitelisting and on-chain operations. - Delivered 3 blockchain-related products to production. - Stack used: Nest, Typescript, MySQL, PostgreSQL, TypeORM, AWS, Docker, Kubernetes, gRPC, Microservices.

Implemented recommendation system and analytics dashboards. - Built containerized microservices and deployment pipelines. - Participated in production launch of 2 educational platforms. - Worked on frontend data visualization and backend APIs. - Technology stack used: Docker, Kubernetes, Django Rest Framework, Nest, Express, React, Angular, Typescript, Python, TensorFlow.