We’re a product powerhouse building a full-stack ecosystem for iGaming businesses. 40M+ players. 250 brilliant minds. One bet: our technology is so rock-solid that we stake our own business on it. From our hubs in Ukraine, Georgia, the UK, and the Philippines, we blend real-world experience, a battle-tested Tech Radar, all within an open-door culture.
We invite the Senior Node JS to join the VeliHorizon team. VeliHorizon — our battle-tested platform built on real gaming floors. High-performance, microservices at its core, API-first by design — it keeps operations smooth, data sharp, and transactions flying. Every click, spin, and payout runs through Horizon — proven in the toughest conditions, powering thousands of moments a second. Built by cross-functional teams who own every detail — from first idea to live performance.
In this role, you will: * Design, develop, and maintain scalable, high-performance backend services using Node.js * Build and maintain RESTful APIs and gRPC services * Write clean, maintainable, and testable code * Optimize applications for speed, scalability, and reliability * Handle asynchronous programming, event-driven architecture, and non-blocking I/O * Work with microservices * Use containers and orchestration tools * Work with CI/CD pipelines * Monitor application performance and troubleshoot production issues * Perform code reviews and provide constructive feedback * Translate business requirements into technical solutions * Participate in sprint planning and technical discussions
Requirements:
Must have: * At least 5 years of experience in backend development using JavaScript/TypeScript (NodeJs) * Experience with NestJs * Good knowledge of PostgreSQL * Experience with Kafka * Experience with Redis * Strong proficiency in REST API gRPC API * Experience with AWS, Docker, K8s * Experience with building and maintaining CI/CD pipelines
Will be a plus: * Knowledge of architectural patterns and design patterns * Experience with high-load * Experience with Clickhouse * Experience with Sentry, Grafana, ELK * Experience with WebSockets * Expertise in performance optimization for backend services
Hiring Process: Intro Call with TA Specialist → Technical Interview → Final interview → Offer
We offer: Level up daily. Real mentorship, a clear career path, and support to lead your product. Battle-tested tech stack. Work with what we bet on: microservices, serverless, SRE strength. Health comes first. Insurance and 10 days’ sick leave — because your health is a priority. Work your way. Remote, hybrid, Kyiv office — find your rhythm. Time off that matters. 20 days paid vacation, public holidays — to recharge your way. Build your brand. Share your story, grow your voice — inside and out. Culture with a pulse. Team offsites, community events, and the energy of people who care.
