About this role
Backend Developer (Node.js) at OptiPlay. Location: Poland. Role: owning backend direction, architecting scalable services, collaborating with teams Requirements: 5+ years backend development, Node.js/TypeScript, SQL/NoSQL, message brokers, distributed systems, CI/CD, testing. Category: Software Development Seniority: Senior Level Tools: Node.js, TypeScript, Fastify, Nest.js, PostgreSQL, MongoDB, Redis, RabbitMQ, Kafka, WebSocket, Socket.io, Jest, Grafana, Loki, Tempo, Git, CI/CD Commitment: Part Time Workplace: Remote Languages: English