Senior Software Engineer C# .Net

Overview

In this role you will design and deliver backend services in C#/.Net for a fintech platform serving the global investment management industry. You will influence architecture and product direction as part of a high-calibre engineering team, building scalable, data-intensive systems with reliability at scale. You’ll contribute across the software lifecycle, from design to production delivery, collaborating with colleagues who value technical excellence. This opportunity offers meaningful impact in a growing business backed by strong funding and notable hedge fund partners. You will work in Newcastle, shaping core platform evolution and engineering practices.

Pay / Benefits

• 25 days holiday
• Bupa healthcare
• Generous pension contribution
• Continuous career development
• Social team atmosphere with Friday drinks
• Salary to 120k + Bonus

Responsibilities

• Design and develop backend services using modern C# and .Net
• Work on distributed systems processing large data volumes with performance and reliability targets
• Influence architecture, design and product direction across the software lifecycle
• Collaborate with cross-functional colleagues to deliver robust software and production-ready solutions
• Own significant technical initiatives and drive engineering decisions

Key requirements

• Minimum 2.1 BSc in Computer Science or related technical discipline
• Expertise with modern C# and .Net development
• Strong knowledge of software architecture, distributed systems, and engineering best practices
• Solid understanding of CS fundamentals (algorithms, data structures, OO design, system design)
• Collaborative mindset with ability to take ownership of initiatives
• Experience with Python, data-intensive systems, or fintech environments is advantageous but not essential

• collaboration
• ownership
• problem-solving
• C# and .Net development
• software architecture
• distributed systems

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