Senior Software Engineer C# .Net

Salary: £100,000 - 100,000 per year

Requirements:

• We require a minimum 2.1 BSc in Computer Science or a similar technical discipline from a top tier or Russell Group university, backed by A grades at A-level.
• We require expertise with modern C# and .Net development.
• We require strong knowledge of software architecture, distributed systems, and engineering best practices.
• We require a deep understanding of Computer Science fundamentals, including algorithms, data structures, object-oriented design, and system design.
• We value a collaborative approach and a genuine enthusiasm for solving difficult technical problems.
• We need someone able to take ownership of significant technical initiatives and influence engineering direction.
• Experience with Python, data-intensive systems, or financial technology environments would be advantageous, but is not essential.

Responsibilities:

• We design and develop business-critical backend services using modern C# and .Net.
• We work on distributed systems that process large volumes of data with demanding performance and reliability requirements.
• We are involved throughout the software lifecycle, from technical design and architecture through to implementation, optimisation, and production delivery.
• We collaborate closely with colleagues to build elegant, robust software.
• We contribute to technical discussions, debate engineering approaches, and help continuously improve our systems and engineering practices.
• We influence architecture, design, and product direction as senior members of the engineering team.

Technologies:

• Backend
• C#
• Python
• ASP.NET

More:

We are a rapidly growing Fintech building sophisticated technology for the global investment management industry. Backed by significant funding and working alongside leading hedge fund partners, we are solving complex engineering problems at scale and investing heavily in the continued evolution of our core platform. This is a full-time role based in our Newcastle headquarters, a modern office environment designed to encourage collaboration, learning, and engineering excellence. We offer a highly competitive package including a salary up to £120k, bonus, 25 days holiday, Bupa healthcare, a generous pension contribution, continuous career development opportunities, and a social team atmosphere with regular events and early finish for drinks on Fridays.

last updated 30 week of 2026