Backend Developer (Node.js)

• Design, build, and maintain integrations with casino operators and partner platforms (wallet/transaction APIs, game launch, and reporting contracts), owning the full lifecycle from contract design to production monitoring; • Build resilient integration layers: retries, idempotency, timeouts, error mapping, and graceful degradation when a third party misbehaves; • Contribute to core backend services and platform features - APIs, messaging flows, data models, shared modules; • Take part in slot game development on our game logic platform - implementing game mechanics and mathematics alongside the core team; • Define and improve integration testing practices: contract testing, mocking/stubs, e2e, and stress/load testing; • Work closely with Game Logic, Product, and DevOps teams to keep integration contracts stable as the platform evolves; • Participate in code reviews, technical decisions, and architecture discussions across the backend.

• 21 vacation days + 2 extra day-offs annually; • 12 paid sick days; • Fully remote format - work from anywhere you feel productive; • Flexible schedule: start your day anytime between 08:00-11:00 CET; • Fixed budget for health insurance and gym/fitness; • Provided all required work equipment; • Zero bureaucracy and direct communication with founders and C-level; • Minimal meetings, async-friendly workflow; • Startup energy: fast motion, creativity, and tight-knit communication; • Business trips and team meetups several times per year; • Multiple salary payout options (flexible formats); • …And many more perks unlocked after we hit break-even.

We're looking for a Middle+/Senior Backend Developer - first and foremost a strong, well-rounded backend engineer. The role splits roughly 70/30: 70% designing and maintaining our external integrations (casino operators and partner platforms), 30% general backend/platform work and system design. Requirements What you'll do • Design, build, and maintain integrations with casino operators and partner platforms (wallet/transaction APIs, game launch, and reporting contracts), owning the full lifecycle from contract design to production monitoring; • Build resilient integration layers: retries, idempotency, timeouts, error mapping, and graceful degradation when a third party misbehaves; • Contribute to core backend services and platform features - APIs, messaging flows, data models, shared modules; • Take part in slot game development on our game logic platform - implementing game mechanics and mathematics alongside the core team; • Define and improve integration testing practices: contract testing, mocking/stubs, e2e, and stress/load testing; • Work closely with Game Logic, Product, and DevOps teams to keep integration contracts stable as the platform evolves; • Participate in code reviews, technical decisions, and architecture discussions across the backend. What you bring • 3-5+ years of backend development experience with Node.js + TypeScript, including ownership of non-trivial systems; • Proven experience designing and maintaining external integrations (REST/HTTP, XML/SOAP, RPC-style, or webhook-based); • Solid understanding of modular, service-oriented backend architecture, ideally from enterprise or scale-up environments; • Practical experience with message brokers (RabbitMQ or Kafka) and event-driven, queue-based design; • Strong grasp of integration testing approaches: contract testing, mocking, e2e, and stress testing; • Confident with PostgreSQL and Redis, CI/CD, Git, and monitoring/observability tools (Grafana, Loki, Tempo); • Comfortable with AWS, Docker, and Kubernetes for containerized deployments. Nice to have • Experience in iGaming, gambling platforms, or RNG/game provider integrations; • Familiarity with ArgoCD and GitOps workflows. Benefits • 21 vacation days + 2 extra day-offs annually; • 12 paid sick days; • Fully remote format - work from anywhere you feel productive; • Flexible schedule: start your day anytime between 08:00-11:00 CET; • Fixed budget for health insurance and gym/fitness; • Provided all required work equipment; • Zero bureaucracy and direct communication with founders and C-level; • Minimal meetings, async-friendly workflow; • Startup energy: fast motion, creativity, and tight-knit communication; • Business trips and team meetups several times per year; • Multiple salary payout options (flexible formats); • …And many more perks unlocked after we hit break-even. Originally posted on Himalayas Backend-Engineer, Software-Developer, NodeJS-Developer, Platform-Engineer, Backend-JavaScript-Developer, Backend-Web-Developer, Backend-API-Developer, Backend-Systems-Developer, Senior-Node.Js-Developer