Senior .NET Developer
Our client, Growe, is a leading business advisory and services group in iGaming and Entertainment. Сreators of strategies that work and solutions that scale. Combining strategic vision with hands-on expertise, Growe helps businesses navigate the fast-evolving industry, seize new opportunities, enter new markets, and achieve sustainable growth.
- Design, build, and maintain backend services using .NET (C#)
- Develop and evolve microservices in a production environment
- Support existing functionality and ensure backward compatibility of releases
- Work on core domain flows such as accounts, registration, authentication, wallet, and related business capabilities
- Participate in task analysis, decomposition, and effort estimation
- Deliver completed tasks for testing and collaborate with QA during test phases
- Build integrations using asynchronous communication and event-driven patterns
- Work with relational databases, transactional flows, and optimize query performance
- Identify performance bottlenecks and contribute to system design improvements
- Contribute to service observability (logs, metrics, traces, dashboards, monitoring)
- Manage deployment configurations and manifests in Kubernetes environments
- Work in a GitOps setup and participate in deployment and operational ownership
- Collaborate with DevOps teams on infrastructure-related changes (including Terraform workflows)
- Participate in on-call rotation and handle production incidents
- Identify technical debt and propose improvements
- Perform high-quality code reviews focusing on maintainability, performance, and consistency
- 5+ years of commercial backend development experience with C# / .NET (6+), .NET Core / ASP.NET Core
- Solid understanding of microservices architecture and distributed systems
- Experience with asynchronous communication and event-driven architectures
- Experience with message brokers (Kafka or similar)
- Strong knowledge of relational databases (SQL, transactions, indexing, performance tuning), PostgreSQL will be a plus
- Experience with ORM tools (e.g., Entity Framework)
- Experience writing Unit and Integration tests
- Understanding of authentication and authorization (OAuth 2.0, OpenID Connect)
- Good understanding of software design principles (SOLID, separation of concerns, testability)
- Understanding of observability and monitoring in production systems
- Experience troubleshooting performance and memory issues
- English - Upper Intermediate
- Experience with Orleans, Redis will be a plus
- Experience with AWS, Kubernetes, Terraform will be a plus
- Experience with Grafana, Loki, Tempo will be a plus
- Good communication skills
- Multitasking, quick task execution
- Good team player
- Responsibility
- Health & Wellness Focus
- Global Medical Coverage
- Growth Opportunities
- Benefits Programs (compensation for the gym/stomatology/psychological service & etc.)
- Performance-Driven Rewards
- Dynamic Work Environment
Growe is a business advisory and services group operating in the iGaming and entertainment industries. Headquartered in Warsaw, it combines strategic vision with hands-on expertise to help businesses navigate the sector, enter new markets and achieve sustainable growth. Its capabilities span business and brand strategy, market research, marketing solutions, IT customisation, organisational structuring and talent management. The company focuses on launching new iGaming brands worldwide and turning challenges into competitive advantages for its clients.