Senior Node JS Engineer

VeliTech is a product company building a full-stack ecosystem for iGaming businesses. The Senior Node JS Engineer will join the VeliHorizon team to design and maintain scalable backend services using Node.js, microservices, and modern infrastructure.

• 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

• 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
• Knowledge of architectural patterns and design patterns (plus)
• Experience with high-load (plus)
• Experience with Clickhouse (plus)
• Experience with Sentry, Grafana, ELK (plus)
• Experience with WebSockets (plus)
• Expertise in performance optimization for backend services (plus)

• Real mentorship, a clear career path, and support to lead your product
• Battle-tested tech stack: microservices, serverless, SRE strength
• Insurance and 10 days' sick leave
• Remote, hybrid, Kyiv office
• 20 days paid vacation, public holidays
• Share your story, grow your voice — inside and out
• Team offsites, community events, and the energy of people who care