Senior C# Developer .Net Core FinTech

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, supported by A-level grades of A or above.
• We are looking for a senior, backend-focused C# developer with strong experience in modern C# and .NET Core.
• Python skills would also be an advantage.
• We expect strong knowledge of modern software engineering best practices and experience across the full software development lifecycle.
• We value a thorough understanding of Computer Science fundamentals, including OOP, data structures, design patterns, and algorithms.
• We are seeking someone who enjoys collaborating, problem solving, and working on complex, distributed systems.
• We want a technologist who is excited to join a start-up and help shape and influence the role.

Responsibilities:

• We collaborate with a small, talented team to deliver our core platform using the latest versions of C# and .NET.
• We produce high-quality code and take ownership of technical projects.
• We work across the full development lifecycle to understand business needs and deliver effective solutions.
• We contribute to complex, high-impact systems within our FinTech platform.
• We join our team onsite in our brand-new Central Newcastle offices on a full-time basis, with flexible working hours where applicable.

Technologies:

• Backend
• C#
• OOP
• Python
• ASP.NET

More:

We are a growing FinTech scale-up with solid financial backing and ambitious growth plans, offering the opportunity to work on complex, high-impact systems. We provide a salary of up to £110k, a bonus, 25 days holiday, Bupa healthcare, a generous pension contribution, continuous career development opportunities, and a social team atmosphere with events and early finish drinks on Fridays. Our brand-new Central Newcastle offices are well equipped, offer fantastic views across the city and local countryside, and include onsite showers for those who walk or cycle in. We work full-time Monday to Friday, with hours from 0900 to 1800 and some flexibility.

last updated 33 week of 2026