Overview
Full-time | Remote (Europe) | 100% B2B Contract | Salary DOE
We looking for a Senior .NET Backend Developer to join a high-impact engineering team building one of the most demanding real-time sportsbook platforms on the market. If youe passionate about distributed systems, performance-driven backend engineering, and have experience working in sports betting or complex, event-based systems, this is the right opportunity.
About the Role: Youll be part of a remote-first team developing the core features that power a modern sportsbook, including trading engines, odds services, and high-availability APIs. This role is hands-on and backend-focused no frontend work involved with a strong emphasis on scale, real-time processing, and clean architecture.
What Youl Be Doing
- Build high-performance services using .NET Core 8/9
- Develop and maintain scalable RESTful and gRPC APIs
- Work with Microsoft Orleans for distributed application development
- Integrate Apache Pulsar for real-time message streaming
- Design performant data solutions using SQL Server and PostgreSQL
- Optimize systems for low latency, fault tolerance, and high concurrency
- Participate in Agile ceremonies and collaborate with developers, DevOps, and product managers
- Review code, ensure testing coverage, and contribute to improving development practices
- Triage and resolve production issues in a fast-paced environment
What You Bring
- 5+ years of experience working with .NET (C#) in backend environments
- Strong understanding of distributed systems, messaging, and microservices
- Experience with Microsoft Orleans or similar actor-based frameworks
- Familiarity with Apache Pulsar, RabbitMQ, or Kafka
- Proven experience with SQL databases, ORMs, and performance tuning
- Solid grasp of CI/CD, containerization (Docker/Kubernetes), and cloud platforms (Azure or AWS)
- Excellent written and spoken English communication skills
- Strong troubleshooting skills and ability to work independently in a remote setup
Bonus Points For
- Direct experience in sportsbook, betting, or trading system development strongly preferred
- Understanding of betting mechanics, odds calculations, and market types
- Familiarity with compliance and uptime standards for gaming environments
- Certifications (Microsoft, AWS, etc.) or contributions to open-source projects
What We Offer
- Long-term engagement with a rapidly growing tech organisation
- Fully remote setup within European time zones (flexible hours around CET)
- Competitive salary package depending on experience and location
- B2B Contract | Equipment budget | Health insurance (where applicable)
- Learning & development budget, professional certifications
- Fast-paced, collaborative team culture with clear ownership and autonomy
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