Node.js Developer (fintech)

5+ years of commercial experience in backend development with Node.js 2+ years of experience in fintech, digital banking, payments, or financial infrastructure 3+ years of experience working in product companies Strong knowledge of JavaScript/TypeScript and modern Node.js ecosystem Experience with relational and NoSQL databases (PostgreSQL, MongoDB, Redis) Understanding of distributed systems, microservice architecture, and event-driven communication Experience with message queues (e.g., RabbitMQ, Kafka) and caching strategies Familiarity with Docker, Kubernetes, CI/CD pipelines Ability to work with high-load and latency-sensitive systems Knowledge of testing frameworks (Jest, Mocha) and code quality tools

Develop and maintain backend services using Node.js Implement new product features and integrate financial logic Work with high-load systems and optimize application performance Collaborate with product managers, QA engineers, and other developers Integrate third-party APIs, PSPs, internal services, and crypto-related components Write clean, maintainable, well-tested code Participate in architecture discussions and drive technical improvements Support existing microservices and troubleshoot production issues