Node.js Developer
At THNDR, we’re building the first PvP skill gaming platform with perfected player liquidity. We partner with iGaming operators to boost retention and expand market reach with our customizable, competitive game content.
We’re looking for a Backend Developer to help us build scalable integrations and backend services that make onboarding operators smooth, secure, and reliable.
The Role
As our Backend Developer focused on Integrations, you'll be responsible for designing and maintaining the systems that enable hundreds of operators to deliver exceptional gaming experiences to their users. Your work will directly impact platform reliability, operator satisfaction, and our ability to scale rapidly across global markets.
Responsibilities
Build APIs and backend services for operator integrations (embed flow, sessions, authentication)
Implement operator-specific configurations, security checks, and webhooks/callbacks
Improve scalability, monitoring, and reliability of integration services
Write clean technical docs for operators and internal teams
Tech Stack
Node.js + TypeScript (Express, Nestjs)
Google Cloud Platform (Cloud Run, Spanner, Firebase)
Docker
Requirements
3+ years building production backend systems and APIs
Strong understanding of authentication/security (JWT, OAuth, API keys)
Experience building SaaS integrations or third-party APIs
Comfortable with cloud infrastructure (GCP preferred) and microservices
Able to own features end-to-end from design to production
Nice to Have
Gaming, real-time systems, or high-concurrency experience
WebSocket/real-time communication protocols
Monitoring tools (Datadog, Prometheus, New Relic)
Fluent in English and Polish
Node.js Developer
Node.js Developer