Senior Backend Developer (Node.js)

Requirements

• Solid production experience with NestJS, deep understanding of modular architecture and dependency injection;
• Hands-on experience building complex business domains using CQRS and DDD approaches;
• Experience designing and maintaining APIs (REST/GraphQL), including validation, authorization, and error handling;
• Proficient with PostgreSQL via TypeORM, query optimization, and migrations;
• Experience integrating with external services (bots, queues, third-party APIs);
• Skills in organizing logging, monitoring, and working with Pino and Swagger;
• Experience with microservices, queues, and Redis;
• Understanding of deployment processes using Docker, Helm, and CI/CD.

• Experience implementing internationalization (i18n);
• Practice integrating with Telegram, Centrifugo, and payment systems;
• Skills in setting up infrastructure with Kubernetes.