Senior .net Developer jobs in London

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...

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...

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...

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...

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....

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...

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 ⚠️ 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 Google Play) that demonstrate clean,...

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...

.Net / Blazor Developer, Fully Remote, £60,000 - £85,000 per annum About the Role: Our client, a leading AI solutions consultancy are seeking a highly skilled Blazor Developer to join their team. As a Blazor Developer, you will play a critical role in creating and optimising web applications built on the Blazor framework. Your expertise in development will help their clients bring their...

Job Description 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...

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,...

Senior Backend Developer – Node.js, TypeScript, Kafka - up to £70k Leading E-commerce Brand | Up to £70,000 | Hybrid (2 days/week in London) They’re looking for a Senior Backend Developer to join a highly capable engineering team working with Node.js, TypeScript and Kafka. This is a hands-on role where you’ll be building and evolving distributed backend services in a fast-paced, product-focused...

You will guide a team in developing high-performance solutions in C#/. NET, mentor junior developers, and collaborate across departments. The ideal candidate has over 10 years of experience, strong SQL skills, and a deep understanding of financial markets. The position offers competitive compensation and a hybrid work model.

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 Google...

Software Developer / Engineer (C# .Net SQL) *London onsite* to £180k+ All potential candidates should read through the following details of this job with care before making an application. 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...

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...

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...

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 ⚠️ 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 Google Play) that demonstrate clean,...

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 fast-paced London-based...

Full-Time Mobile App Developer (.NET MAUI preferred) If you are considering sending an application, make sure to hit the apply button below after reading through the entire description. 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...