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Software Engineer

Software Engineer

On site

London, United kingdom

£ 75,000 /year

Full Time

11-02-2026

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Skills

C# SQL Product vision SDLC .NET .NET Core

Job Specifications

Senior Backend Software Engineer (C# / .NET)

Location: London - (Office Based 3 Days Per Week)

Salary: £65,000 – £75,000 basic + 10% bonus

Our client is a high-growth SaaS technology company building intelligent platforms used by global enterprises in highly regulated environments. They are looking to grow by 30% this calendar year, and are hiring junior, mid-level and senior Software Engineers.

What they’re looking for the Senior Backend Software Engineer:

Strong experience building enterprise-grade backend systems using C# .NET Core / Framework
Excellent SQL and relational database design skills
Solid engineering fundamentals: clean code, testing, debugging and secure development
Experience working in complex or regulated environments is a plus

What you’ll be doing:

Designing and delivering scalable, high-performance backend features
Working across the full SDLC, from design through deployment and optimisation
Integrating systems with financial, transactional and market data APIs
Supporting database schema design, performance tuning and automation

Why join:

Build mission-critical software used by global organisations
High ownership and real technical impact
Supportive, collaborative engineering culture
Clear long-term product vision and growth

If you're interested in a short confidential chat, please get in contact, even if you'd prefer to be considered for a different seniority level!

About the Company

Our Mission is Simple: To make recruitment as straightforward as possible. We connect the brightest minds in Data & Analytics, AI and Machine Learning to support the companies shaping the future of technology. Built on integrity, strong relationships, and a passion for excellence, building lasting partnerships with our clients and candidates is at the heart of everything we do. Founded by three partners with a collective 25 years’ experience in specialist headhunting, we understand both the technology and the people behind i... Know more