Senior .NET Developer for Unified Feed Team at Gr8tech

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. What you’ll drive: Strategy & outcomes • Own backend architecture decisions and shape the long-term technical direction of the platform. • Drive adoption of engineering best practices across the team. • Improve system performance, reliability, and maintainability at scale. • Systematically identify and reduce technical debt. Discovery & decisions • Translate product and business needs into scalable, production-ready solutions. • Make informed architectural trade-offs in distributed, high-load environments. • Design systems using modern patterns (event-driven, CQRS, DDD). • Identify risks early and propose pragmatic, proven solutions. Delivery & execution • Design, build, and ship high-quality backend services in .NET powering live trading operations. • Own the full development lifecycle: from design to production and ongoing support. • Ensure code quality through reviews, testing, and strong engineering standards. • Optimize for low latency, scalability, and efficient resource usage. • Improve CI/CD pipelines and drive deployment automation. Stakeholder & cross-team collaboration • Partner with Product, Design, and DevOps to align on priorities and delivery. • Communicate technical decisions clearly to both technical and non-technical stakeholders. • Support integrations across teams and systems. Leadership & mentorship • Mentor engineers and support their growth. • Lead by example in ownership, code quality, and accountability. • Contribute to a strong, ownership-driven engineering culture. What makes you a GR8 fit: Must-have • Strong experience with C# / .NET in building scalable, high-load backend systems. • Experience designing distributed systems and microservices architectures. • Solid knowledge of event-driven architecture and messaging systems (Kafka or similar). • Strong expertise in databases (SQL + NoSQL), including performance tuning and scaling. • Experience with CI/CD, Docker, and Kubernetes. • Ability to make architectural decisions and take ownership end-to-end. • Experience operating high-availability, low-latency systems. Nice-to-have • Experience with Orleans, MongoDB, RabbitMQ, Elasticsearch. • Experience with AWS or other cloud platforms. • Familiarity with observability tools (APM, logging, tracing). • Understanding of FinOps / cloud cost optimization. • Previous experience mentoring or leading engineers. • Experience in the betting / trading domain. 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.