Senior Node.js Developer

OptiPlay is building a high-performance, real-time slot gaming platform. We are seeking a Senior Backend Developer to take ownership of the entire backend direction and serve as a key technical leader.

• Own and drive the backend direction of the company as one of the key technical leaders
• Design and implement new game mechanics on top of the existing PGS and extend its capabilities
• Architect scalable, secure, and high-performance backend services using Node.js and TypeScript
• Work closely with Game Logic, Frontend, and DevOps teams to ensure seamless integrations and real-time performance
• Define backend engineering standards and enforce best practices across code quality, architecture, and performance
• Design and maintain backend infrastructure including schemas, caching, messaging flows, microservices, and gateways
• Participate in roadmap planning, technical decision-making, and architectural discussions
• Support a rapidly growing product and engineering environment

• 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)
• Nice to have: Knowledge of PHP/Laravel, AWS, Docker, Kubernetes, or iGaming ecosystem experience

• 21 vacation days + 5 extra day-offs annually
• 12 paid sick days
• Fully remote format - work from anywhere
• Flexible schedule: start anytime between 08:00-12:00 CET
• Fixed budget for health insurance and gym/fitness
• All required work equipment provided
• Zero bureaucracy with direct communication to founders and C-level
• Minimal meetings with async-friendly workflow
• Startup environment with fast motion and tight-knit communication
• Business trips and team meetups several times per year
• Multiple salary payout options