Backend Developer (Node.js)

Optiplay
Full time Poland, Poland Computer Occupations
Posted:
June 14, 2026
Location:
Poland, Poland, Poland

Job Description

Requirements

What you bring

  • 5+ years of backend development experience, including ownership of complex systems or features;
  • Strong expertise with Node.js + TypeScript and modern frameworks (Fastify, Nest.js);
  • Advanced knowledge of SQL and NoSQL databases: PostgreSQL, MongoDB, Redis;
  • Solid experience with message brokers (RabbitMQ or Kafka) and queue-based, event-driven design patterns;
  • Deep understanding of distributed systems, microservices, and real-time communication (WebSocket, Socket.io);
  • Experience building high-performance APIs, async flows, caching strategies, and scalable architectures;
  • Confident with CI/CD, Git, automated testing (Jest), and monitoring/observability tools (Grafana, Loki, Tempo).

What you’ll do

  • Own and drive the ba...

Apply for this Job

Submit your application for the Backend Developer (Node.js) position at Optiplay.

Apply Now Save for Later

Job Overview

Job Type: Full time
Location: Poland, Poland
Posted: June 14, 2026
Deadline: July 24, 2026