Senior Node.js Developer for CMS Core Tech

GR8_TECH builds B2B iGaming platforms for operators who play to lead. 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 real business growth. Call it what it is: the iGaming Platform for Champions. With 1000+ GR8 people across locations and time zones, we don’t just ship technology — we help operators build success stories across brands, markets, and geos. Our ambition drives us. Our people make it real. If you’re a challenger in spirit and a champion in action — join us. Why this role exists: We're looking for a strong individual contributor who owns complex backend features end-to-end — from technical design through production delivery. You'll work independently on challenging problems, write high-quality code at scale, and raise the bar for the team by mentoring less experienced engineers and maintaining engineering standards through thorough code reviews. What you’ll drive: Software Architecture and Backend Development Design and implement scalable, resilient backend services and APIs. Write, test, and debug complex code across new and existing application. Own features end-to-end: from understanding requirements, through implementation, to production monitoring. Identify and resolve complex technical problems, including performance bottlenecks and architectural debt. Maintain comprehensive technical documentation for systems you build. Collaboration & Mentorship Mentor junior and mid-level engineers through pairing, knowledge sharing, and day-to-day guidance. Conduct thorough code reviews to ensure quality, security, and adherence to best practices. Collaborate with cross-functional teams (product, design, operations) to clarify requirements and align on technical approach. Proactively communicate technical trade-offs and progress within the team. What makes you a GR8 fit: Must-have 5+ years of hands-on backend engineering experience with a strong track record of delivering complex systems. Upper-intermediate or higher level of English. Understanding of system design: microservices, event-driven architecture, resilient patterns, delivery guarantees, CAP theorem. Database knowledge: relational and non-relational databases, SQL optimization, indexing, normalization/denormalization, ACID properties, transaction isolation. Working knowledge of Docker, Kubernetes basics, CI/CD pipelines, and Git workflows. Strong problem-solving skills: ability to break down ambiguous problems, make pragmatic decisions, and communicate reasoning clearly. Advanced proficiency in Node.js and TypeScript, including runtime internals, event loop, async programming, and core modules. Advanced TypeScript: strict typing, generics, decorators, utility types, and metaprogramming patterns used in NestJS. Proficiency in designing and implementing scalable RESTful APIs and microservices using NestJS (modules, providers, guards, interceptors, microservices transport, Swagger). Event-driven architecture: Kafka for async messaging, BullMQ for background job processing. Cloud & infrastructure: AWS SDK (S3, Bedrock), Docker/Docker Compose, Prometheus metrics, GitLab CI/CD Nice-to-have Experience with Go or .NET. Experience with Strapi CMS or similar headless CMS platforms. Familiarity with Terraform/Terragrunt for infrastructure-as-code. 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 culture & core values: GR8_TECH culture is how we win — through trust, ownership, and a growth mindset. We move fast, stay curious, and keep it real, with open feedback, room to experiment, and a team that’s got your back. FUELLED BY TRUST : we’re open, honest, and have each other’s backs. OWN YOUR GAME : we take initiative and own what we do. ACCELER8 : we move fast, focus smart, and keep it simple. CHALLENGE ACCEPTED : we grow through challenges and stay curious. BULLETPROOF : we’re resilient, ready, and always have a plan. Originally posted on Himalayas