Senior .NET Developer for Client Centric Team

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: This role exists to design, develop, and maintain enterprise-level applications using C#, ASP.NET, and related technologies. The engineer participates in technical discussions and works with cross-functional teams to deliver scalable and reliable software solutions aligned with business requirements. What you’ll drive: Feature development and implementation Developing and implementing new features based on project requirements and specifications. Writing, testing, and debugging code for software applications to ensure functionality and efficiency. Code quality and best practices Participating in code reviews and providing constructive feedback. Ensuring adherence to software design principles and best practices. Collaboration and problem-solving Working closely with cross-functional teams. Troubleshooting and resolving software issues and bugs in a timely manner. What makes you a GR8 fit: Must-have Minimum 5 years of experience in a similar senior engineering role with a track record of leadership, strong technical skills, and successful project delivery. Deep hands-on expertise in C# and .NET (Core / .NET 6+). Strong understanding of async/await, multithreading, thread safety, memory management, and performance optimization. Experience designing and evolving high-load backend systems with strict latency and reliability requirements. Ability to identify and eliminate performance bottlenecks across CPU, memory, I/O, and database layers. Experience designing and operating microservice-based systems. Experience working with messaging systems and event-driven architectures. Experience working with relational and non-relational databases. Understanding of transactions, isolation levels, locking, concurrency, indexing strategies, and performance tuning. Experience working with containerized environments including Docker and Kubernetes. Understanding of CI/CD pipelines and automated delivery. Understanding of scalability, load balancing, auto-scaling, and disaster recovery. Understanding of production observability including logging, metrics, monitoring, and tracing. Intermediate or higher level of English. Nice-to-have Bachelor’s degree in Computer Science, Software Engineering, or related field (or equivalent experience). 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.