Senior Node JS Engineer

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.

Turnkey isn’t just our biggest team — it’s the engine room of everything we build.

It’s the tech our partners bet their business on: no patchwork, no plug-ins. Just one battle-tested ecosystem designed to launch, grow, and lead in the most dynamic markets.

Turnkey unites VeliHorizon (our core platform), VeliX (the experience layer), and VeliPayments — the trio powers every player's journey and operator’s next big leap.

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
• Proactive and result-oriented approach
• Critical thinking and problem-solving skill

**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.

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