.NET Software Developer jobs in Greater London

Software Developer / Engineer (C# .Net SQL) *London onsite* to £180k+ Are you a technologist with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. As a Software Developer you'll collaborate with a team of highly intelligent technologists and finance professionals to develop...

Job Description Software Developer / Engineer (C# .Net SQL) *London onsite* to £180k+ Are you a technologist with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. As a Software Developer you'll collaborate with a team of highly intelligent technologists and finance...

Head of Software Development – Applications – Home Based – .Net Core / Native Home Based - UK Wide, Home Based - UK Wide, United Kingdom £NEG - likely to be a Six Figure package Work Hours Flexibility required Software Development Contact number 07887426975 Pension (Matched to 5%) - 25 days hols - PHI Region Home Based - UK Wide A market-leading operating group of companies,...

You will join a cross-functional product engineering team working on the evolution and modernisation of a core SaaS platform. The focus is on building scalable, cloud-native services while improving reliability, performance, and long-term maintainability.

You will be a lead individual contributor across a variety of projects for clients and internal professionals.

You will work with the business to understand requirements and take a lead hands-on role in architectural design, tool selection and development of solutions.

Imagine building high-impact digital platforms – from a beautiful rural location, with a relocation bonus to help make it happen. If you’re an experienced Technical Architect or Software Architect ready for a fresh start in a quieter part of the UK, this could be your perfect move. Our client is offering a full-time, permanent position , based 2–3 days a week onsite in a rural UK location – far...

You will play a critical role in designing and developing backend services that power Io T products used across high‑integrity industries including Fire, Security, Telecare, Retail, Water, and National Infrastructure.

You will:Build and maintain backend systems using .

C# Developer / Backend Software Engineer C# .Net AWS (Junior - Mid) London to £80k Are you a bright, ambitious C# Developer who enjoys collaborating and working on complex systems with cutting edge technology? You could be progressing your career at a highly profitable, systematic Hedge Fund that invests in sports betting markets whilst enjoying a range of perks and benefits including hybrid...

Job title: Senior .Net Developer Location: GSK HQ (On-site 2 days per week) Contract: 12 Months Overview GSK is a science-led global healthcare company with a special purpose: to help people do more, feel better, live longer. We are on an audacious journey to impact the health of 2.5 billion people over the next decade. Our R&D division is at the forefront of this mission, dedicated to the...

Job Description Job Title - .NET Developer (Contract) Location - London (Hybrid – 2–3 days onsite) Contract Type - Contract (Outside IR35 / Inside IR35 – depending on client) Duration -12 months (likely extension) Day Rate - Competitive Role Overview We are looking for an experienced .NET Developer to join a delivery-focused engineering team working on business-critical systems in a...

C#.NET Developer – Financial Systems Developer Ref: YC46978 A leading Japanese IT company with a central London office is seeking a C#.NET Developer for its Financial Systems Team. They welcome candidates with knowledge of banking, securities, or insurance operations, and experience developing with C#.NET. Ideal candidates have led enhancements, maintenance, or improvements of existing systems....

Senior Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet runs...

At Champion Data, our dedicated team are united by sport and driven by data. We strive to revolutionise and transform sport data globally by leveraging our cutting-edge technology and expert team, ensuring we deliver the best possible outcomes for our partners and clients. Champion Data has an exciting opportunity for an experienced and dedicated Senior Developer to join our team! The Senior...

Full-Time Mobile App Developer (.NET MAUI preferred) iOS & Android — Remote (South Asia) Location: Remote (India / Pakistan) Type: Full-time Tech focus: .NET MAUI (preferred) / Cross-platform Mobile ⚠️ Important upfront note This role requires strong mobile UI execution and design sensibility . To proceed, you must be able to share links to live apps on the Apple App Store (and/or...

Software Developer Location: GSK HQ (On-site 2 days per week) Contract: 12 Months GSK is a science-led global healthcare company with a special purpose: to help people do more, feel better, live longer. We are on an audacious journey to impact the health of 2.5 billion people over the next decade. Our R&D division is at the forefront of this mission, dedicated to the discovery and development of...

At Champion Data, our dedicated team are united by sport and driven by data. We strive to revolutionise and transform sport data globally by leveraging our cutting-edge technology and expert team, ensuring we deliver the best possible outcomes for our partners and clients. Champion Data has an exciting opportunity for an experienced and dedicated Senior Developer to join our team! The Senior...

You will join a cross-functional product engineering team working on the evolution and modernisation of a core SaaS platform. The focus is on building scalable, cloud-native services while improving reliability, performance, and long-term maintainability.

Job Description Job Title - .NET Developer (Contract) Location - London (Hybrid – 2–3 days onsite) Contract Type - Contract (Outside IR35 / Inside IR35 – depending on client) Duration -12 months (likely extension) Day Rate - Competitive Role Overview We are looking for an experienced .NET Developer to join a delivery-focused engineering team working on business-critical systems in a...

Imagine building high-impact digital platforms – from a beautiful rural location, with a relocation bonus to help make it happen. If you’re an experienced Technical Architect or Software Architect ready for a fresh start in a quieter part of the UK, this could be your perfect move. Our client is offering a full-time, permanent position , based 2–3 days a week onsite in a rural UK location – far...

You will join a cross-functional product engineering team working on the evolution and modernisation of a core SaaS platform. The focus is on building scalable, cloud-native services while improving reliability, performance, and long-term maintainability.