Senior Back-end Developer (Node.js / Go)

Mobilunity is looking for a Senior Back-end Developer (Node.Js / Go).

We are hiring for a UK-based client operating in the ticketing and transportation domain. The company builds digital solutions for both end users and external partners. The project involves complex business logic, multiple third-party integrations, and a strong focus on system reliability, performance, and user experience.

Requirements:

• 5+ years of professional experience with Node.js
• 2+ years of hands-on experience with Go
• Strong experience in designing and maintaining REST APIs and event-driven systems
• Advanced English level (written and spoken)

Responsibilities:

• Design, develop, and maintain scalable backend services
• Contribute to technical planning and architectural decisions
• Improve system performance, reliability, and maintainability
• Review code, mentor team members, and share technical knowledge
• Collaborate closely with QA, product, design, and DevOps teams
• Participate in CI/CD and deployment processes

In return we offer:

• The friendliest community of like-minded IT-people
• Open knowledge-sharing environment – exclusive access to a rich pool of colleagues willing to share their endless insights into the broadest variety of modern technologies
• Perfect office location in the city-center (900m from Lukyanivska metro station with a green and spacious neighborhood) or remote mode engagement: you can choose a convenient one for you, with a possibility to fit together both
• No open-spaces setup – separate rooms for every team’s comfort and multiple lounge and gaming zones
• English classes in 1-to-1 & group modes with elements of gamification
• Neverending fun: sports events, tournaments, music band, multiple affinity groups

Come on board, and let’s grow together!