Senior .NET Engineer

Oliver Bernard; Greater London; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A fast-growing fintech company is seeking a Senior .NET Engineer to join their backend team. In this role, you will design and build scalable systems that power a platform used by millions. Key responsibilities include developing resilient backend systems with C# and .NET, collaborating with various teams in an Agile environment, and mentoring other developers. Ideal candidates offer strong experience in cloud environments and a solid understanding of REST APIs, with problem-solving abilities a must.

Qualifications

• Strong commercial experience in backend development with C#/.NET.
• Experience working in the cloud, preferably Azure.
• Solid understanding of REST APIs and scalable architecture.

Responsibilities

• Build and maintain resilient backend systems using C# and .NET.
• Work across the full development lifecycle.
• Contribute to architectural decisions and mentor other developers.

Skills

Backend development with C#/.NET

Cloud experience (Azure/AWS)

Understanding of REST APIs

Problem-solving skills

Experience in regulated environments

Job description

Location: Central London, Hybrid working, 2 days a week onsite

Oliver Bernard have partnered with a fast-growing, award-winning fintech company on the lookout for a Senior .NET Engineer to join their backend team. You’ll help design and build scalable, high-performance systems that power a platform used by millions of users.

What You’ll Do

• Build and maintain resilient backend systems using C# and .NET.
• Work across the full development lifecycle – from planning and coding to deployment and support.
• Collaborate with Product, QA, UX, and other Dev teams in an Agile environment.
• Contribute to architectural decisions, lead on projects from a technical standpoint and mentor other developers.

About You

• Strong commercial experience in backend development with C#/.NET.
• Strong experience working in the cloud (Azure is preferable, but happy to consider AWS)
• Solid understanding of REST APIs, relational databases, and scalable architecture.
• Excellent problem-solving skills with a collaborative, proactive mindset.
• Experience in fast-paced or regulated environments is a plus.

If you are a Senior .NET Engineer who has worked on high scale, high volume and complex backend systems, please apply now!