15 of 15 Permanent Senior .NET Developer Jobs in London

Senior .NET Developer with Software Security, Azure Lead Software Security Engineer with Development Background, DevSecOps, Mainly Remote Senior .NET Developer with Software Security, Software Security Engineer Lead is required to work for a fast-growing and exciting company based in Central London. However, this will mainly be remote. Please read in full before applying … We need someone with a Microsoft tech-stack background who has experience as a .NET Developer with Software Security experience, Azure DevSecOps Consultant or even a good old fashioned Unix/Linux Systems Administrator. We want someone with a development/some form of coding background who has blossomed into Software Security/Cloud Security engineer. We NEED More ❯

Senior .NET Developer with Software Security, Azure Lead Software Security Engineer with Development Background, DevSecOps, Mainly Remote Senior .NET Developer with Software Security, Software Security Engineer Lead is required to work for a fast-growing and exciting company based in Central London. However, this will mainly be remote click apply for full job details More ❯

Senior C# Developer/Backend Software Engineer (C# .Net) *Newcastle onsite* to £130k+ Are you a Senior C# Developer looking to escape the hustle and bustle of London and relocate to somewhere with stunning scenery and a better quality of life (there's also great restaurants and bars!)? You could be joining a rapidly scaling … company has secure backing and an established Hedge Fund client as a partner, they're creating a finance technology hub bringing a wealth of talent and experience. As a Senior C# Developer you will collaborate with a small, talented team to deliver the core trading platform within a Microsoft environment using the latest versions of C# .Net … by A*s and As at A-level You're a technologist who enjoys collaborating and problem solving, working on complex, distributed systems You have expertise with modern C# .Net Core, Python skills would also be of benefit You have a strong knowledge of modern software engineering best practices and have experience across the full software development lifecycle You More ❯

Senior C# Developer/Engineer (C# .Net Core) London/WFH to £85k Are you a skilled C# Developer looking to progress your career in a senior, hands-on role? You could be at a successful and scaling Retail FX Brokerage working on Greenfield systems. As a Senior C# Developer you'll be … developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built mostly in C# and React deployed to Azure. You'll focus on C# .Net backend development within an AWS environment, but also with exposure across the full technology stack in a modern development environment with microservices. There are many technical challenges to explore … Location/WFH: You'll join colleagues in the London office Monday to Wednesday with flexibility to work from home Thursday and Friday. About you: You have strong C# .Net Core backend development experience You have a good knowledge of microservices and Cloud (AWS or Azure) experience, ideally, you'll have some experience with Docker/Kubernetes, EKS You More ❯

Remote roles for award-winning specialist agricultural software company. Delivering sustainable farming data-driven technology solutions. Degree educated with proven track record as C#/.Net Back-End Developer. Remote-Friendly Software Development Opportunity in Agricultural Technology Join an award-winning agricultural analytics software company at the forefront of sustainable technology. We're seeking exceptional Back-End Developers who … Optimisation Ideal Candidate Profile: Academic and Professional Requirements: Minimum Qualification: Degree/Masters/PhD in Computing, Data Science, or Equivalent Proven Commercial Experience as a Back-End Microsoft Developer Strong Academic Background with Demonstrable Achievements Proven ability to excel in time-constrained, algorithmic problem-solving Technical Expertise: Advanced Proficiency in: C# and .NET Framework Microsoft Azure Cloud More ❯

Optimisation Ideal Candidate Profile: Academic and Professional Requirements: Minimum Qualification: Degree/Masters/PhD in Computing, Data Science, or Equivalent Proven Commercial Experience as a Back-End Microsoft Developer Strong Academic Background with Demonstrable Achievements Proven ability to excel in time-constrained, algorithmic problem-solving Technical Expertise: Advanced Proficiency in: C# and .NET Framework Microsoft Azure Cloud More ❯

Senior Full Stack Developer - Hybrid - £650/day Outside IR35 | React | .NET | Python | AWS | API | Asset Management | Wealth Management Looking to speak with experienced Full Stack Developers to join a client of ours within the Asset space. They're looking to build a new division within the tech team and are looking for a Senior/… Developer. Details 3 days onsite in London Up to £650/day Outside IR35 Initial 6-month contract Key Skills Strong experience in full-stack development, with React, and .NET or Python Hands-on experience with AWS Strong API development and integration experience Experience with event-driven architecture Senior Full Stack Developer - Hybrid - £650/day Outside … IR35 | React | .NET | Python | AWS | API | Asset Management | Wealth Management More ❯

Senior Full Stack Developer - Hybrid - £650/day Outside IR35 | React | .NET | Python | AWS | API | Asset Management | Wealth Management Looking to speak with experienced Full Stack Developers to join a client of ours within the Asset space. They're looking to build a new division within the tech team and are looking for a Senior/… Developer. Details 3 days onsite in London Up to £650/day Outside IR35 Initial 6-month contract Key Skills Strong experience in full-stack development, with React, and .NET or Python Hands-on experience with AWS Strong API development and integration experience Experience with event-driven architecture Senior Full Stack Developer - Hybrid - £650/day Outside … IR35 | React | .NET | Python | AWS | API | Asset Management | Wealth Management More ❯

Senior Developer. ASP.NET Core MVC/Blazor. Fully Remote. £50,000 + Discretionary Bonus and Benefits. My client is a sports data and analysis firm based out out of Bath. Their founders and directors have worked for decades on the ground with elite athletes, coaches, support teams and universities. This experience means that they have felt the pain of … solutions, harnessing the best people, technology and data. They are hardware and software agnostic and utilise market leading technology to deliver optimal solutions. They are looking for a skilled Senior Software Developer to join their team. As a Senior Software Developer, you will be responsible for developing, implementing, and maintaining their software applications. You will work … dynamic environment. This is a full-time position with competitive salary and benefits. What they are looking for: Write clean, efficient, and well-documented code using programming languages including .Net/C#/Asp.Net MVC. RabbitMQ and Blazor. Collaborate with the team of data analysts, sport scientists, and coaches to understand their requirements and create effective solutions Test and More ❯

Senior Developer. ASP.NET Core MVC/Blazor. Fully Remote. £50,000 + Discretionary Bonus and Benefits. My client is a sports data and analysis firm based out out of Bath. Their founders and directors have worked for decades on the ground with elite athletes, coaches, support teams and universities. This experience means that they have felt the pain of … solutions, harnessing the best people, technology and data. They are hardware and software agnostic and utilise market leading technology to deliver optimal solutions. They are looking for a skilled Senior Software Developer to join their team. As a Senior Software Developer, you will be responsible for developing, implementing, and maintaining their software applications. You will work … dynamic environment. This is a full-time position with competitive salary and benefits. What they are looking for: Write clean, efficient, and well-documented code using programming languages including .Net/C#/Asp.Net MVC. RabbitMQ and Blazor. Collaborate with the team of data analysts, sport scientists, and coaches to understand their requirements and create effective solutions Test and More ❯

Senior Developer. ASP.NET Core MVC/Blazor. Fully Remote. £50,000 + Discretionary Bonus and Benefits. My client is a sports data and analysis firm based out out of Bath. Their founders and directors have worked for decades on the ground with elite athletes, coaches, support teams and universities. This experience means that they have felt the pain of … solutions, harnessing the best people, technology and data. They are hardware and software agnostic and utilise market leading technology to deliver optimal solutions. They are looking for a skilled Senior Software Developer to join their team. As a Senior Software Developer, you will be responsible for developing, implementing, and maintaining their software applications. You will work … dynamic environment. This is a full-time position with competitive salary and benefits. What they are looking for: Write clean, efficient, and well-documented code using programming languages including .Net/C#/Asp.Net MVC. RabbitMQ and Blazor. Collaborate with the team of data analysts, sport scientists, and coaches to understand their requirements and create effective solutions Test and More ❯

Contract Snr .NET Engineer - C#, SQL, React, AWS/Azure - £550/day (OUTSIDE IR35) - Hybrid I’m partnering with an ambitious tech startup that’s transforming how businesses connect and trade globally. Their AI-driven B2B platform is redefining the way companies manage payments, logistics, and supply chains — and they’re looking for a Contract Snr .NET … team that values innovation, agility, and real-world problem-solving. What You’ll Bring Experience as a software engineer, ideally in fast-paced tech environments. Strong skills in C#, .NET Core, React, AWS/Azure, and database systems (SQL/NoSQL). One or more of Aurora DB, CosmoDB, MongoDB, Redis, Kafka A problem-solving mindset with a focus … code reviews and champion high-quality engineering practices. Contribute to architectural discussions and help define technical direction. Mentor junior engineers and share best practices across the team. Contract Snr .NET Engineer - C#, SQL, React, AWS/Azure - £550/day (OUTSIDE IR35) - Hybrid More ❯

Contract Snr .NET Engineer - C#, SQL, React, AWS/Azure - £550/day (OUTSIDE IR35) - Hybrid I’m partnering with an ambitious tech startup that’s transforming how businesses connect and trade globally. Their AI-driven B2B platform is redefining the way companies manage payments, logistics, and supply chains — and they’re looking for a Contract Snr .NET … team that values innovation, agility, and real-world problem-solving. What You’ll Bring Experience as a software engineer, ideally in fast-paced tech environments. Strong skills in C#, .NET Core, React, AWS/Azure, and database systems (SQL/NoSQL). One or more of Aurora DB, CosmoDB, MongoDB, Redis, Kafka A problem-solving mindset with a focus … code reviews and champion high-quality engineering practices. Contribute to architectural discussions and help define technical direction. Mentor junior engineers and share best practices across the team. Contract Snr .NET Engineer - C#, SQL, React, AWS/Azure - £550/day (OUTSIDE IR35) - Hybrid More ❯

Optimisation Ideal Candidate Profile: Academic and Professional Requirements: Minimum Qualification: Degree/Masters/PhD in Computing, Data Science, or Equivalent Proven Commercial Experience as a Back-End Microsoft Developer Strong Academic Background with Demonstrable Achievements Proven ability to excel in time-constrained, algorithmic problem-solving Technical Expertise: Advanced Proficiency in: C# and .NET Framework Microsoft Azure Cloud More ❯

Optimisation Ideal Candidate Profile: Academic and Professional Requirements: Minimum Qualification: Degree/Masters/PhD in Computing, Data Science, or Equivalent Proven Commercial Experience as a Back-End Microsoft Developer Strong Academic Background with Demonstrable Achievements Proven ability to excel in time-constrained, algorithmic problem-solving Technical Expertise: Advanced Proficiency in: C# and .NET Framework Microsoft Azure Cloud More ❯