301 to 325 of 339 .NET Developer Jobs in the UK

Junior .NET Software Engineer | London | £35,000–£50,000 + Bonus + Hybrid Location: Central London (Hybrid: 3 days in office) Salary: £35,000–£50,000 + performance bonus + excellent benefits Tech: .NET 6/7, C#, AWS, REST APIs, SQL, CI/CD, Microservices The Opportunity We are partnering with a fast-growing SaaS company in … Central London that is expanding its engineering team and looking for a Junior .NET Software Engineer who is eager to learn, grow, and work with modern technologies. This is a fantastic opportunity for someone with a solid foundation in C# and .NET to develop their skills in cloud computing (AWS), microservices, and modern software engineering practices. You’ll … experienced team that values mentorship, collaboration, and technical excellence — offering you the chance to work on meaningful projects while being supported by senior engineers. The Role As a Junior .NET Software Engineer, you’ll contribute to the development of scalable backend systems and web applications while learning from experienced mentors. Your responsibilities will include: Developing backend functionality using .NET More ❯

Junior .NET Software Engineer | London | £35,000–£50,000 + Bonus + Hybrid Location: Central London (Hybrid: 3 days in office) Salary: £35,000–£50,000 + performance bonus + excellent benefits Tech: .NET 6/7, C#, AWS, REST APIs, SQL, CI/CD, Microservices The Opportunity We are partnering with a fast-growing SaaS company in … Central London that is expanding its engineering team and looking for a Junior .NET Software Engineer who is eager to learn, grow, and work with modern technologies. This is a fantastic opportunity for someone with a solid foundation in C# and .NET to develop their skills in cloud computing (AWS), microservices, and modern software engineering practices. You’ll … experienced team that values mentorship, collaboration, and technical excellence — offering you the chance to work on meaningful projects while being supported by senior engineers. The Role As a Junior .NET Software Engineer, you’ll contribute to the development of scalable backend systems and web applications while learning from experienced mentors. Your responsibilities will include: Developing backend functionality using .NET More ❯

Junior .NET Software Engineer | London | £35,000–£50,000 + Bonus + Hybrid Location: Central London (Hybrid: 3 days in office) Salary: £35,000–£50,000 + performance bonus + excellent benefits Tech: .NET 6/7, C#, AWS, REST APIs, SQL, CI/CD, Microservices The Opportunity We are partnering with a fast-growing SaaS company in … Central London that is expanding its engineering team and looking for a Junior .NET Software Engineer who is eager to learn, grow, and work with modern technologies. This is a fantastic opportunity for someone with a solid foundation in C# and .NET to develop their skills in cloud computing (AWS), microservices, and modern software engineering practices. You’ll … experienced team that values mentorship, collaboration, and technical excellence — offering you the chance to work on meaningful projects while being supported by senior engineers. The Role As a Junior .NET Software Engineer, you’ll contribute to the development of scalable backend systems and web applications while learning from experienced mentors. Your responsibilities will include: Developing backend functionality using .NET More ❯

Principal Back-End Developer Up to £80,000 | Manchester (Onsite) | HealthTech | Purpose-Led Mission You’ve built systems that scale. Led by example. Solved problems others didn’t even see coming. Now you’re looking for something bigger — a place where your code and your leadership genuinely make a difference. This HealthTech company is reshaping how the NHS delivers … a brand-new engineering team, and proved it works. Now, they’re ready to level up, and that’s where you come in. The role As Principal Back-End Developer, you’ll be the technical backbone of a product used by over 13 million people across the UK and Ireland. This isn’t a “hands-off” leadership gig, it … architecting systems, mentoring engineers, and driving the standards that define what great looks like. What you’ll be doing: Leading by example, designing and building scalable systems with C#, .NET Core, and Azure. Shaping architecture and product direction across multiple platforms. Coaching and mentoring your peers — helping good engineers become great ones. Embedding quality through TDD, CI/CD More ❯

Principal Back-End Developer Up to £80,000 | Manchester (Onsite) | HealthTech | Purpose-Led Mission You’ve built systems that scale. Led by example. Solved problems others didn’t even see coming. Now you’re looking for something bigger — a place where your code and your leadership genuinely make a difference. This HealthTech company is reshaping how the NHS delivers … a brand-new engineering team, and proved it works. Now, they’re ready to level up, and that’s where you come in. The role As Principal Back-End Developer, you’ll be the technical backbone of a product used by over 13 million people across the UK and Ireland. This isn’t a “hands-off” leadership gig, it … architecting systems, mentoring engineers, and driving the standards that define what great looks like. What you’ll be doing: Leading by example, designing and building scalable systems with C#, .NET Core, and Azure. Shaping architecture and product direction across multiple platforms. Coaching and mentoring your peers — helping good engineers become great ones. Embedding quality through TDD, CI/CD More ❯

Principal Back-End Developer Up to £80,000 | Manchester (Onsite) | HealthTech | Purpose-Led Mission You’ve built systems that scale. Led by example. Solved problems others didn’t even see coming. Now you’re looking for something bigger — a place where your code and your leadership genuinely make a difference. This HealthTech company is reshaping how the NHS delivers … a brand-new engineering team, and proved it works. Now, they’re ready to level up, and that’s where you come in. The role As Principal Back-End Developer, you’ll be the technical backbone of a product used by over 13 million people across the UK and Ireland. This isn’t a “hands-off” leadership gig, it … architecting systems, mentoring engineers, and driving the standards that define what great looks like. What you’ll be doing: Leading by example, designing and building scalable systems with C#, .NET Core, and Azure. Shaping architecture and product direction across multiple platforms. Coaching and mentoring your peers — helping good engineers become great ones. Embedding quality through TDD, CI/CD More ❯

driven innovations to improve system performance and risk analysis Work effectively with global teams across multiple locations Key Requirements Strong hands-on experience in software engineering using C# and .NET Core Solid understanding of CI/CD tools and practices (e.g., Jenkins, TeamCity, Git, Nexus) Experience within enterprise-level or investment banking environments, ideally in Risk Technology Familiarity with More ❯

the founding members of the department who will help fostering and growing a positive culture - you will doubtless have ambitions to grow and expand with the business. Principal Backend Developer role requires extensive experience of delivering SaaS products in a fast-paced dynamic environment. They're looking for a visionary technology leader who's eager to work in a … collaborative environment, driving innovation, setting technical direction and ensuring quality in our services and component libraries. Their core technical skills are expert of C# (.NET 6+ preferred), expert in SQL Server extensive experience in test Driven Development (NUnit preferred), advanced version control using Git, highly proficient in creating and maintaining RESTful & GraphQL APIs, ORMs (Entity Framework preferred), follows SOLID More ❯

the founding members of the department who will help fostering and growing a positive culture - you will doubtless have ambitions to grow and expand with the business. Principal Backend Developer role requires extensive experience of delivering SaaS products in a fast-paced dynamic environment. They're looking for a visionary technology leader who's eager to work in a … collaborative environment, driving innovation, setting technical direction and ensuring quality in our services and component libraries. Their core technical skills are expert of C# (.NET 6+ preferred), expert in SQL Server extensive experience in test Driven Development (NUnit preferred), advanced version control using Git, highly proficient in creating and maintaining RESTful & GraphQL APIs, ORMs (Entity Framework preferred), follows SOLID More ❯

customer-facing products. *You’ll need to be able to work from their North Bristol office twice a week. What experience you’ll need to apply Strong experience with .NET Core, C#, and SQL. Proficiency with Azure Cloud and interest in learning Kubernetes. Solid understanding of software engineering lifecycle and agile methodologies. Experience with event-driven design and reusable … Collaboration on technical designs and contribution to architectural decisions will be key, alongside ensuring best practices are consistently applied across the team. Expect to write clean, scalable code using .NET Core and C#, while operating within an Azure Cloud environment supported by Kubernetes. Responsibilities include troubleshooting integration issues, improving internal processes, and identifying opportunities to enhance the customer experience. More ❯

customer-facing products. *You’ll need to be able to work from their North Bristol office twice a week. What experience you’ll need to apply Strong experience with .NET Core, C#, and SQL. Proficiency with Azure Cloud and interest in learning Kubernetes. Solid understanding of software engineering lifecycle and agile methodologies. Experience with event-driven design and reusable … Collaboration on technical designs and contribution to architectural decisions will be key, alongside ensuring best practices are consistently applied across the team. Expect to write clean, scalable code using .NET Core and C#, while operating within an Azure Cloud environment supported by Kubernetes. Responsibilities include troubleshooting integration issues, improving internal processes, and identifying opportunities to enhance the customer experience. More ❯

customer-facing products. *You’ll need to be able to work from their North Bristol office twice a week. What experience you’ll need to apply Strong experience with .NET Core, C#, and SQL. Proficiency with Azure Cloud and interest in learning Kubernetes. Solid understanding of software engineering lifecycle and agile methodologies. Experience with event-driven design and reusable … Collaboration on technical designs and contribution to architectural decisions will be key, alongside ensuring best practices are consistently applied across the team. Expect to write clean, scalable code using .NET Core and C#, while operating within an Azure Cloud environment supported by Kubernetes. Responsibilities include troubleshooting integration issues, improving internal processes, and identifying opportunities to enhance the customer experience. More ❯

customer-facing products. *You’ll need to be able to work from their North Bristol office twice a week. What experience you’ll need to apply Strong experience with .NET Core, C#, and SQL. Proficiency with Azure Cloud and interest in learning Kubernetes. Solid understanding of software engineering lifecycle and agile methodologies. Experience with event-driven design and reusable … Collaboration on technical designs and contribution to architectural decisions will be key, alongside ensuring best practices are consistently applied across the team. Expect to write clean, scalable code using .NET Core and C#, while operating within an Azure Cloud environment supported by Kubernetes. Responsibilities include troubleshooting integration issues, improving internal processes, and identifying opportunities to enhance the customer experience. More ❯

SENIOR .NET AND REACT DEVELOPER - 12 months - OUTSIDE IR35 One of Loriens Leading Public Sector Clients are looking for A highly experienced .Net and React Developers to join their team. The successful candidate will be required to be in office in Edinburgh from time to time. Work closely with other members of the team to support a More ❯

A leading software providing is seeking a Full Stack (UI focused) ASP.NET Core Developer to join their team and aid in re-engineering their enterprise product suite from Legacy .NET Framework MVC to ASP.NET Core MVC. Whilst you'll take the lead on Front End architecture and implementation, you'll also work closely within the Middleware layer to … days per week in office, with potential flexibility down to 3 days per week once settled into the role. Required Skills & Experience: 4+ years' experience with ASP.NET MVC (ideally .NET 6+/.NET 8+/.NET 9). Strong experience with SCSS, TypeScript, and modern JS tooling (esbuild, Webpack, or similar). Solid understanding of Razor, partial More ❯

Junior .NET Core Engineer Location: Warrington (onsite) Salary: £28,000 – £35,000 Overview My client is a well-established technology-led business looking to grow its in-house development team. They’re now hiring a Junior .NET Core Engineer who’s eager to build on their existing commercial experience and develop their skills in a supportive, hands-on … environment. This role will suit someone with around a year’s experience in software development who wants to deepen their knowledge of modern .NET, learn from experienced engineers, and get exposure to full-stack projects. What you’ll be doing Build and maintain web applications using C# and .NET Core Write clean, efficient, and testable code Support integration … with SQL databases Collaborate with senior engineers and contribute to team discussions Learn and contribute across the stack, including exposure to React and front-end development Tech stack C#, .NET Core SQL Server React (or similar modern JavaScript framework) Azure DevOps and CI/CD exposure is a bonus Who we’re looking for Around 1+ year of commercial More ❯

Junior .NET Core Engineer Location: Warrington (onsite) Salary: £28,000 – £35,000 Overview My client is a well-established technology-led business looking to grow its in-house development team. They’re now hiring a Junior .NET Core Engineer who’s eager to build on their existing commercial experience and develop their skills in a supportive, hands-on … environment. This role will suit someone with around a year’s experience in software development who wants to deepen their knowledge of modern .NET, learn from experienced engineers, and get exposure to full-stack projects. What you’ll be doing Build and maintain web applications using C# and .NET Core Write clean, efficient, and testable code Support integration … with SQL databases Collaborate with senior engineers and contribute to team discussions Learn and contribute across the stack, including exposure to React and front-end development Tech stack C#, .NET Core SQL Server React (or similar modern JavaScript framework) Azure DevOps and CI/CD exposure is a bonus Who we’re looking for Around 1+ year of commercial More ❯

Junior .NET Core Engineer Location: Warrington (onsite) Salary: £28,000 – £35,000 Overview My client is a well-established technology-led business looking to grow its in-house development team. They’re now hiring a Junior .NET Core Engineer who’s eager to build on their existing commercial experience and develop their skills in a supportive, hands-on … environment. This role will suit someone with around a year’s experience in software development who wants to deepen their knowledge of modern .NET, learn from experienced engineers, and get exposure to full-stack projects. What you’ll be doing Build and maintain web applications using C# and .NET Core Write clean, efficient, and testable code Support integration … with SQL databases Collaborate with senior engineers and contribute to team discussions Learn and contribute across the stack, including exposure to React and front-end development Tech stack C#, .NET Core SQL Server React (or similar modern JavaScript framework) Azure DevOps and CI/CD exposure is a bonus Who we’re looking for Around 1+ year of commercial More ❯

Junior .NET Core Engineer Location: Warrington (onsite) Salary: £28,000 – £35,000 Overview My client is a well-established technology-led business looking to grow its in-house development team. They’re now hiring a Junior .NET Core Engineer who’s eager to build on their existing commercial experience and develop their skills in a supportive, hands-on … environment. This role will suit someone with around a year’s experience in software development who wants to deepen their knowledge of modern .NET, learn from experienced engineers, and get exposure to full-stack projects. What you’ll be doing Build and maintain web applications using C# and .NET Core Write clean, efficient, and testable code Support integration … with SQL databases Collaborate with senior engineers and contribute to team discussions Learn and contribute across the stack, including exposure to React and front-end development Tech stack C#, .NET Core SQL Server React (or similar modern JavaScript framework) Azure DevOps and CI/CD exposure is a bonus Who we’re looking for Around 1+ year of commercial More ❯

Software Developer, C# .NET React JavaScript TypeScript. SaaS Cloud AI Unified Comms x 3 We’re hiring on behalf of a forward-thinking organisation delivering cutting-edge software across global projects. They’re seeking a driven Software Developer to join their agile, high-performance team and help shape the future of impactful digital solutions. What You’ll … Be Doing as a Software Developer Software Development Write clean, scalable, maintainable code using C# and .NET 5/6 Build modern frontend solutions using JavaScript , TypeScript , and React Contribute to architectural decisions and design secure software components Collaborate closely in Agile/Scrum teams to deliver reliable, user-centric software Carry out rigorous unit and integration testing … performance tuning Participate in code reviews and mentor junior developers Prototype new ideas and stay informed on emerging technologies and frameworks What We’re Looking For in a Software Developer A 2:1 or above in a STEM or Computer Science degree (or equivalent) Strong academic track record. 3+ years’ experience in professional software development Deep expertise in C# More ❯

Portfolio are proud to be exclusively representing an award-wining, Software provider based in the heart of Manchester, providing people solutions to over 100,000 clients worldwide. In this role our client is looking for a candidate that possess an More ❯

Portfolio are proud to be exclusively representing an award-wining, Software provider based in the heart of Manchester, providing people solutions to over 100,000 clients worldwide. In this role our client is looking for a candidate that possess an More ❯

C# Position: System Engineer Overview: System development for financial institutions Job Description: Due to the expansion of system development projects for financial institutions, we are seeking engineers with C#.NET Responsibilities: - Develop systems for financial institutions using C# - Design and implement More ❯

Mid-Level .NET Engineer (Remote) Location: Remote Salary: Up to £60k + Benefits Our client, an established and forward-thinking tech company, is looking for a Mid-Level .NET Engineer to join their distributed engineering team. This is an exciting opportunity to work on modern, scalable solutions within a collaborative and growth-focused environment. The Role As a … .NET Engineer, you’ll be developing and maintaining high-quality applications and backend services using the latest .NET technologies. You’ll collaborate closely with other engineers, product managers, and stakeholders to deliver clean, efficient, and maintainable code that supports business goals and enhances user experience. Key Responsibilities Build and maintain .NET Core/ASP.NET applications and APIs … code reviews, sprints, and agile ceremonies Collaborate with a distributed team to deliver solutions on time and to spec What You’ll Need 3+ years of professional experience in .NET development Strong proficiency in C#, ASP.NET Core, Entity Framework Solid understanding of RESTful API design and software architecture principles Experience with Azure or other cloud environments preferred Good communication More ❯

Exciting opportunity for a Senior .Net C# Software Engineer with a background in front office trading to join a global Commodities Trading Company. You will be working in a front office trading environment dealing directly with business users & stakeholders. The role involves development & support of the existing platform for managing market and fundamental data across capture, forecasting and visualisation … for Power, Gas and Weather. Key Requirements - 15 year+ experience - Strong .Net/C# - Strong SQL Server - Strong Azure Cloud experience Ideally, you will have worked with modelling of commodities, ideally energy (power, gas, environmental products). This needs combining with a positive attitude and an ability to work within a large, globally dispersed project team in a multi More ❯