We’re looking for a C# Tech Lead to drive the design and delivery of high-performance, event-driven systems for a major sportsbook platform. You’ll lead architecture, guide a distributed engineering team, and ensure scalable, low-latency, mission-critical solutions. Experience with Microsoft Orleans, Apache Pulsar, and real-time domains (sportsbook, fintech, etc.) is essential.

This is a full-time, fully remote role for professionals based in Europe on a 100% B2B contract.

What You’ll Do

Lead architecture and development of distributed, event-driven systems in C#/.NET
Implement Microsoft Orleans for actor-based microservices and stream processing
Manage event pipelines and messaging infrastructure via Apache Pulsar
Ensure systems are scalable, resilient, and optimized for high-traffic, real-time workloads
Provide technical leadership: coding standards, best practices, code reviews, and mentorship
Collaborate with architects, DevOps, and product managers on platform improvements
Oversee project planning, sprint delivery, and stakeholder communication
Support cloud deployments (Azure/AWS) with a focus on resilience and scale

What You Bring

8+ years in backend development with strong C#/.NET expertise
Proven experience in event-driven architectures
Hands-on knowledge of Microsoft Orleans and Apache Pulsar
Deep understanding of real-time messaging, microservices, and high-throughput systems
Track record in sportsbook, fintech, or other large-scale, mission-critical domains
Experience with cloud platforms (Azure or AWS)
Strong leadership, mentoring, and decision-making abilities in distributed teams
Familiarity with Agile methodologies

Why Join

Long-term remote role with a high-growth product company
100% B2B contract, Europe-based with paid holidays
Lead critical systems development in one of the most technically demanding sectors
Work with cutting-edge tools in a fast-paced, delivery-focused environment

About Pentasia

👥51-200

📍Redhill, United Kingdom

🔗Website

Pentasia Service

How does Pentasia work?

Pentasia's clients include global online brands and emerging start-ups. With 20+ years in iGaming, our candidates lead many of the world’s most iconic brands: sportsbetting, casino, slots, poker, bingo and social gaming. As our reputation has grown, our client list now spans all specialisms within the digital sector, from eCommerce to digital media, software to analytics.