rowkash

- implementing REST features on Node.js (Express, NestJS) - debugging - configure logging (ELK, Grafana), monitoring (Sentry) - write telegram bots - write unit, int and e2e tests - some experience in web3 (Ton smart contracts)

- Support of existing Node.js and NestJS apps with microservice architecture - Implement new features based on business requirements and technical specifications - Apply OOP and SOLID principles to design scalable and decoupled modules - Participate in code reviews and refactoring code - Write unit, integration, and end-to-end tests to ensure code reliability and maintainability - Configure error logging, monitoring, and performance profiling using Sentry - Work in large team (backends, frontends, DevOps, test engineers, CTO)

• Develope and integrate new REST API modules using Node.js • Optimization MongoDB queries and improve data structure to enhance database performance • Implement WebSocket (Socket.IO) support in a multi-threaded cluster environment to enable real-time communication • Analyze backend performance bottlenecks and implementing improvements to reduce latency and increase responsiveness