Senior .NET Developer for GR8 API Tech
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.
- Design and implement scalable and efficient software architectures.
- Develop and maintain enterprise-level applications using C#, ASP.NET, and related technologies.
- Identify and resolve complex software issues and technical challenges.
- Lead and manage software development projects, ensuring timely delivery and quality together with the Delivery Manager.
- Work closely with product management, design, and operations teams to align development with business goals.
- Communicate technical concepts and project updates to stakeholders.
- Participate in on-call rotations to support availability and stability of business-critical services.
- Maintain technical documentation for software development and system design.
- Contribute to technical discussions and propose solutions for system improvements.
- 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.
- Experience with GoLang or Node.js (Nice-to-have).
- Experience with Microsoft Orleans (Nice-to-have).
- Annual budget for Cafeteria: Sports, Medical, Mental health, Home office, Languages.
- 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.
GR8 Tech is a business-to-business iGaming software provider headquartered in Limassol, Cyprus, supplying sportsbook and casino platform technology to operators. It is the rebranded B2B arm of Parimatch Tech, spun out from the consumer Parimatch brand in 2023. The company's modular platform supports millions of active users across more than 40 countries, maintained by a team of over 900 specialists. GR8 Tech focuses on high-performance, scalable sportsbook and gaming infrastructure.