Backend Engineer (.NET) 4 Days/Week London We are looking for a skilled Backend Engineer with strong experience in .NET Core/.NET 6+ to join our team on a part-time basis (4 days per week) in London. You will work alongside AI, ML, and app development teams to build scalable, secure, and intelligent backend … services. Key Responsibilities Design, develop, and maintain scalable backend services using .NET Core/.NET 6+ Collaborate efficiently on an AI-driven project alongside the customers Lead Backend Engineer Work closely with ML Engineers, App Developers, and Data teams for integrated feature delivery Design and build RESTful APIs to expose AI models and LLM prompt-based services Integrate … access controls, password policies, and SSO using existing client authentication models Secure APIs and data pipelines with encryption and appropriate authentication measures Required Skills and Experience Proven experience in .NET Core/.NET 6+ development Strong understanding of REST API design and backend microservices architecture Experience working on AI/ML integrations in production environments Familiarity with secure More ❯
Kingston Upon Hull, England, United Kingdom Hybrid / WFH Options
Noir
.NET Developer, C# - Global Technology Brand – Hull, Yorkshire (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, WPF, React Native, MAUI, MongoDB, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Our clients fascinating story dates back to 1981; today they have fast become one of the most instantly recognised technology brands across the globe. Their success … has been built upon their reputation for developing revolutionary .NET software products that utilise cutting edge technologies. Having recently allocated a £2 billion annual R&D budget to fuel the invention of products, solutions and new technologies they are looking to expand their award winning .NET software development team. We are seeking .NET Developer candidates with experience … of either web application development (.NET Core/ASP.NET MVC, C#) or winforms/WPF (C#) development. Our client will provide you with training into: .NET 9, WPF, React Native, MAUI, MongoDB, Azure SQL. You will follow the firms official career progression programme. This is coupled with 18 days of dedicated technical training per year, bi-annual pay More ❯
Hull, North Humberside, England, United Kingdom Hybrid / WFH Options
Noir
.NET Developer, C# - Global Technology Brand - Hull, Yorkshire (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, WPF, React Native, MAUI, MongoDB, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Our clients fascinating story dates back to 1981; today they have fast become one of the most instantly recognised technology brands across the globe. Their success … has been built upon their reputation for developing revolutionary .NET software products that utilise cutting edge technologies. Having recently allocated a £2 billion annual R&D budget to fuel the invention of products, solutions and new technologies they are looking to expand their award winning .NET software development team. We are seeking .NET Developer candidates with experience … of either web application development (.NET Core/ASP.NET MVC, C#) or winforms/WPF (C#) development. Our client will provide you with training into: .NET 9, WPF, React Native, MAUI, MongoDB, Azure SQL. You will follow the firms official career progression programme. This is coupled with 18 days of dedicated technical training per year, bi-annual pay More ❯
Hessle, North Humberside, United Kingdom Hybrid / WFH Options
Sewell Group
manual/automated tests (e.g., unit, integration, or end-to-end testing). Knowledge of JavaScript/TypeScript, ideally Vue or other modern JavaScript frameworks. Hands-on experience with .NET development (C# preferred) Proficient in XML, HTML, CSS/SCSS. Familiarity with SQL and backend development, ideally with Microsoft SQL Server. Understanding of REST APIs and web services. The More ❯
Wembley, London, United Kingdom Hybrid / WFH Options
Football Association Limited
ensure that the highest standards of health, safety, and well-being can be maintained. What are we looking for? Essential for the role: TECHNICAL & EXPERIENCE Development experience using C# (.NET Core), ASP.NET, JavaScript, T-SQL. Experience designing, developing and maintaining MS SQL Server relational databases with change tracking/CDC. Experience with Dependency Injection & IoC frameworks. Experience with ORM More ❯
Wembley, London, United Kingdom Hybrid / WFH Options
Football Association Limited
ensure that the highest standards of health, safety, and well-being can be maintained. What are we looking for? Essential for the role: Technical & Experience Development experience using C# (.NET Core), ASP.NET, JavaScript, T-SQL Experience designing, developing and maintaining MS SQL Server relational databases with change tracking/CDC Message-based integration - Azure Service bus Working with Azure More ❯
Woking, Surrey, United Kingdom Hybrid / WFH Options
Arrow McLaren IndyCar
projects using agile/lean methodologies. A strong full stack software development background with an understanding of how to engineer quality software. Considerable commercial development experience with C#/.net, Java, Python, or other development languages. Web development experience using technologies such as JavaScript, TypeScript, and React. Proven experience delivering mission critical software into a demanding production environment. Deep More ❯
Manchester, Lancashire, England, United Kingdom Hybrid / WFH Options
Noir
.NET Developer, C#, WPF - Asset Management - Manchester (Tech stack: .NET Developer, C#, WPF, Azure SQL, MVVM, Prism, TDD, Agile, Scrum, Kanban, Programmer, Engineer, Architect, .NET Developer) Founded in 1930, our client is a leading investment manager with offices in Europe, Asia and North America. They manage over £120 billion across all asset classes and employ over … people around the world. Working in tandem with Microsoft they are developing revolutionary .NET/C# software applications that have attracted much attention in the trade press. We are seeking two .NET Developer to work on these exciting Greenfield enterprise level .NET/C# projects. .NET Developer applicants should have strong knowledge of: .NET, C# … WPF and Azure SQL. This is a fantastic opportunity to work alongside some of Microsoft's very best .NET Developer. Our client can provide you with industry recognised training in: .NET 9, MongoDB, MVVM, Prism, continuous integration, dependency injection, TDD and Agile (Scrum/Kanban). Additionally you will follow the firm's official career progression programme with More ❯
and/or appropriate experience Experience 8+ years of experience with system design and development of software Ability to work well in a team environment Strong technical experience with .NET technologies Strong technical experience with web technologies, including React, other JavaScript libraries, Typescript, and CSS/SASS Extensive experience with unit testing Experience with test-driven development Extensive experience More ❯
England, United Kingdom 7 months ago London, England, United Kingdom 3 weeks ago London, England, United Kingdom 1 week ago Greater London, England, United Kingdom 6 days ago Senior .NET Developer with Software Security, SevSecOps, Mainly Remote London, England, United Kingdom 1 month ago Tottenham, England, United Kingdom 1 month ago London Area, United Kingdom 110,000.00-120,000.00 More ❯
Cambridge, Cambridgeshire, United Kingdom Hybrid / WFH Options
OLI Systems, Inc
or related field (or equivalent experience). 4+ years of professional software development with hands-on experience in creating and delivering production code. Strong and demonstrable proficiency in modern .NET/C# and Python. Good knowledge of protocols and APIs (HTTP/HTTPS, REST & JSON API) and the core trio for structuring content (HTML), styling (CSS), and interactivity (JavaScript More ❯
development is not a core requirement, exposure to iOS and Android development is a strong plus. Key Responsibilities Design, build, and maintain scalable web or API-driven applications using .NET, Java, and Azure. Develop clean, maintainable code and contribute to code reviews and technical documentation. Develop for different browsers, devices, and operating systems to ensure consistent user experience, including More ❯
business expectations. Raise technical risks and blockers early to minimise delivery delays. Essential Skills & Experience: Degree in Computer Science or relevant industry experience. Proven software development experience with C# .NET and/or Java . Solid understanding of secure coding practices and API architecture . Strong focus on software testing and quality assurance . Experience with git-based source More ❯
platforms (Azure, AWS), and Infrastructure as Code (Terraform, Pulumi). Familiarity with various frameworks across front-end and back-end stacks (React, Angular, Vue, Blazor, FastAPI, Spring Boot, Django, .NET). Experience designing and justifying architectural choices. Ability to communicate complex concepts clearly to both technical and non-technical audiences. Experience with agile methodologies (Scrum/Kanban) and key More ❯
Farnborough, Hampshire, South East, United Kingdom
Peregrine
secure API communication (OAuth2, JWT, etc.). Familiarity with API gateways, microservice architecture, and asynchronous messaging patterns (e.g., queues, event buses). Programming Proficiency: Strong experience with C# and .NET frameworks. Solid understanding of data structures, algorithms, and programming principles. Experience working with other relevant languages such as Python, JavaScript, or TypeScript. System Design: Ability to design and implement More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Noir
NET Developer - Social Messaging Platform - London (Tech stack: .NET Developer, .NET 9, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer)In 2012 our client launched a social messaging platform that has been taking the US by storm. After an extremely successful period our client has decided to hop across the Atlantic … firm foothold in the UK and European markets. A number of new offices are being opened in the UK and our client is looking for talented, enthusiastic and passionate .NET Developer to bring their product to these new markets and help enhance this already successful company! Successful .NET Developer candidates should be able to demonstrate strong knowledge of … .NET Core/ASP.NET MVC, C# and Azure SQL. Any experience in the following is desirable: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. Training will be provided in any of the technologies you lack, allowing you to turn your More ❯
Mid-Level .NET Developer Location: Exeter (On-site) Salary: £36,000 per annum Job Type: Permanent An established Exeter-based business is hiring a mid-level .NET Developer to join their in-house software team. This role is ideal for someone with a couple of years of commercial experience who is looking to take the next step and … involved in maintaining and improving a suite of internal tools, building out new functionality, and helping support operational teams with the systems they rely on. The tech stack includes .NET Framework and .NET Core, with a mix of Back End and Front End development. Key technologies you'll be working with: C# and .NET Framework/.NET … and T-SQL Entity Framework HTML, CSS, JavaScript Visual Studio Source control tools (eg Bitbucket, Git) What they're looking for: 2 to 5 years of experience as a .NET Developer Good working knowledge of SQL Server Comfortable working across Back End and basic Front End Willing to be office-based in Exeter, Monday to Friday Practical and reliable More ❯
development with technologies such as VoIP, SIP, WebRTC in the context of Control Room audio communications and interfacing with TETRA and Telephone switch services Demonstrable experience using C# and .NET for developing communication-related software Proven ability to work on own initiative and as part of a team. Good communication skills written and oral. Contributor in team meetings Able More ❯
Manchester, North West, United Kingdom Hybrid / WFH Options
Fdo Consulting Limited
Senior Software Engineer, C#, .net, AWS or Azure, Microservices. Full Stack but mainly back-end focused. Home Based role with one day a month at their office in Nottingham. c £ 60,000 - 70.000 + benefits Market leading client is seeking a C# Senior Software Engineer to join their team. Joining at this exciting time you will be working on More ❯
performance, uptime, and code quality Collaborate in cross-functional teams and contribute to design decisions Mentor junior engineers and promote team growth What you'll bring Proficiency in C#, .NET, JavaScript, and TypeScript Experience with React, Vue.js, or Angular (preferred) PHP knowledge (desirable) Familiarity with cloud services (AWS, GCP, or Azure), Docker, Kubernetes Understanding of CI/CD, DevOps More ❯
Nottingham, Nottinghamshire, England, United Kingdom Hybrid / WFH Options
Adria Solutions
performance, uptime, and code quality Collaborate in cross-functional teams and contribute to design decisions Mentor junior engineers and promote team growth What you’ll bring Proficiency in C#, .NET, JavaScript, and TypeScript Experience with React, Vue.js, or Angular (preferred) PHP knowledge (desirable) Familiarity with cloud services (AWS, GCP, or Azure), Docker, Kubernetes Understanding of CI/CD, DevOps More ❯
Ability to write secure, maintainable, and efficient code Strong problem-solving skills with an attention to detail Effective communicator with a collaborative mindset DESIRABLE EXPERIENCE: Experience with C# or .NET Familiarity with AWS services Experience working with Jira and Confluence GitHub workflows and pull request management Experience of React Secure programming techniques and awareness of OWASP best practices Exposure More ❯
Alongside your technical contributions, you'll mentor colleagues, champion best practice, and bring a problem-solving mindset to everything you do. What You'll Bring: Strong expertise in C# .NET Core, Vue.js, JavaScript/TypeScript, SCSS/CSS, HTML Experience with MongoDB and SQL Server Proven track record in building and consuming RESTful web services Solid grounding in OOP More ❯
Fareham, Hampshire, United Kingdom Hybrid / WFH Options
TUV SUD Limited
the vacancy is filled from within TUV SUD, a handover period will be required to allow for training and delegation of current responsibilities. Duties and Responsibilities Writing C#/.NET software to automate manual processes and help improve efficiencies across the business. Functioning as a full-stack developer, working within a small team that is delivering both front-end More ❯
expectations. This role is a hybrid role - 3 days per week in our Newcastle Office Why You'll Love Working With Us: - Innovative Technologies: Dive into the world of .NET C# framework and tackle difficult assignments with your broad knowledge of software development principles, practices, and procedures. - High-Quality Development: Successfully develop, deliver, and maintain high-quality software, including More ❯