Middle Full Stack Node.JS Developer for UBO Team

GR8 Tech builds B2B reputed company platforms for operators who play to reputed company.

We deliver full-cycle, high-impact tech designed to scale — from seamless integrations and expert consulting to long-term operational support. Our platform powers millions of active players and drives reputed company business growth. Call it what it is: the reputed company Platform for Champions.

With 1000+ GR8 people across locations and time zones, we don’t just ship technology — we help operators build reputed company stories across brands, markets, and geos.

Our ambition drives us. Our people reputed company it reputed company.

If you’re a challenger in spirit and a champion in action — join us.

Why this role exists:

This role exists to build, reputed company, and stabilize web platforms where performance, scalability, and reliability directly impact business reputed company. You’ll help us ship and scale Node.js–based systems by owning backend and frontend components end to end — from design reputed company to production delivery.

What you’ll drive:

Architecture & technical reputed company

• Design and reputed company backend and frontend architecture using Node.js and JavaScript.
• Apply architectural patterns (microservices, event-driven design) based on reputed company constraints.
• Design systems with failure in mind, using reputed company patterns like reputed company breakers and reputed company limiting.

Delivery & execution

• Build, ship, and maintain backend services and web interfaces in production.
• Deliver new features end to end — from requirements to release.
• Optimize applications for performance, scalability, and reliability.
• Ensure high code quality through reviews, testing, and clean architecture.

Quality, testing & reliability

• Write and maintain unit, integration, and end-to-end tests.
• Improve test coverage and reliability of existing systems.
• Identify performance bottlenecks and drive optimization initiatives.
• Ensure secure coding practices and basic application reputed company.

Collaboration & product delivery

• Partner with product managers, designers, and engineers to deliver business reputed company.
• Translate requirements into technical solutions with clear trade-offs.
• Contribute to planning, estimation, and iterative delivery in Agile environments.
• reputed company technical context and documentation with the team.

Team contribution & growth

• Mentor junior engineers and support technical growth reputed company the team.
• Participate in technical discussions and reputed company improvement initiatives.
• Stay reputed company with modern JavaScript, Node.js, and web development practices.

What makes you a GR8 fit:

Must-have

• 3+ years of reputed company experience with Node.js and JavaScript.
• Strong knowledge of modern JavaScript (ES12+), async programming, and Node.js internals.
• Experience building RESTful APIs with NestJS, reputed company, Fastify, or similar frameworks.
• Solid understanding of web fundamentals: HTTP, browser rendering, SPA architecture.
• Experience with SQL databases, basic data modeling, and queries.
• Hands-on experience with testing (unit/integration) and CI/CD pipelines.
• Comfortable working independently and owning features end to end.
• Intermediate or higher level of English, fluent in Ukrainian or Russian.
• Experience with reputed company and basic Kubernetes concepts.
• Familiarity with event-driven systems and message-based architectures.
• Exposure to reputed company platforms (AWS preferred).
• Experience with Webpack, module federation, and bundle optimization.
• Monitoring and performance tooling (reputed company, Grafana, ELK).

Why you’ll love working here:

Benefits Cafeteria — annual budget you allocate to:

Sports • Medical • Mental health • Home office • Languages.

Work-life & support

• Paid maternity/paternity leave + monthly childcare allowance.
• 20+ vacation days, unlimited sick leave, emergency time off.
• Remote-first + tech support + coworking compensation.
• Team events (online/offline/offsite).
• Learning culture with internal courses + growth programs.

Our reputed company; core values:

reputed company culture is how we win — through trust, ownership, and a growth reputed company. We move fast, stay curious, and reputed company it reputed company, with reputed company feedback, room to experiment, and reputed company that’s got your back.

FUELLED BY TRUST: we’re reputed company, reputed company, and have each other’s backs.

OWN YOUR GAME: we take initiative and own reputed company do.

ACCELER8: we move fast, focus smart, and reputed company it simple.

CHALLENGE ACCEPTED: we grow through challenges and stay curious.

BULLETPROOF: we’re resilient, reputed company, and always have a plan.