1 to 25 of 31 Remote Senior .NET Developer Jobs in London

Job Title: Senior .NET Developer (12-Month Contract) Location: 100% Remote BRISTOL AREA We are looking for an experienced and talented Senior .NET Developer to join our dynamic development team on a 12-month contract with the potential for extension. As a Senior .NET Developer, you will play a crucial role in creating high-quality, scalable, and resilient solutions while mentoring junior team members and supporting existing initiatives. Responsibilities: Create and adapt new C#/.NET Core services to meet evolving business requirements. Mentor and coach existing team members … through pair programming , peer reviews , and team talks , helping them improve their C#/.NET Core skills. Support and enhance current systems and initiatives during office hours, ensuring that service level objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full More ❯

display and foster them, it’s deeply embedded within our DNA. Invest in us and we’ll invest in you! Job Description As a Senior .NET Developer, you'll be responsible for delivering software components that form part of an application, product or service. You'll write … applications/services you build and contribute to the wider project development. Qualifications Preferably full-stack.Net Core with (HTML, CSS, Javascript) Experience with ASP .Net MVC 5, REST Web APIs Practical development knowledge of Azure services .NET Web API, Rest and OData Web Services In depth knowledge of … our diversity, inclusion and belonging schemes. And many more exciting benefits... drop us a note to find out more. Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Consulting Industries IT Services and IT Consulting Referrals increase your chances of interviewing More ❯

Senior .NET Developer with Software Security, SevSecOps, Mainly Remote Join to apply for the Senior .NET Developer with Software Security, SevSecOps, Mainly Remote role at Buy Local Sundridge Ltd . Role Overview We are seeking a Senior .NET Developer with expertise … in Microsoft technologies, development, and cloud security, with experience working closely with development teams to embed security practices. Key Responsibilities Develop and maintain secure .NET applications within a Microsoft tech stack. Implement and oversee security protocols in cloud environments, primarily Azure. Collaborate with developers to integrate security into the … automating security processes where possible. Qualifications Proven experience in software development with Microsoft technologies and security. Strong background as a Systems Administrator or Software Developer, with a focus on security. Expertise in Cloud Security, especially Azure; AWS experience is a plus. Knowledge of security tools and practices such as More ❯

Senior Full Stack .NET Developer (Buying & Merchandising) Join to apply for the Senior Full Stack .NET Developer (Buying & Merchandising) role at Mountain Warehouse Senior Full Stack .NET Developer (Buying & Merchandising) Join to apply for the Senior Full Stack .NET Developer (Buying & Merchandising) role at Mountain Warehouse Description The development team at Mountain Warehouse is split into small teams, each looking after a different set of applications and using a Kanban approach to prioritisation. Application Deadline: 31 July 2025 Department: IT Location: London Description The development team at … organisation) mostly using C#, SQL Server, React & TypeScript, with a combination of monolithic and microservices architectures. Key Responsibilities We are looking for an experienced developer to join our Buying & Merchandising Dev team which is responsible for the systems used by the company to plan product ranges, make stock purchasing 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. 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 More ❯

Senior .NET Developer - Are you ready to bring your expertise to a company where your voice matters, your growth is supported, and your work makes a real impact? Miller Maxwell's client is building a diverse, collaborative team at a global financial services firm with a FinTech … mindset. As a Senior .NET Developer , you’ll lead greenfield projects in a supportive, agile environment that values innovation, inclusion, and balance. 🏡 Hybrid Working: 2 days in our London office, 3 days remote 🤝 Culture: Inclusive, empowering, and people-first What You’ll Be Doing: Work within full … high-quality, scalable software that aligns with our core values. What You’ll Bring: 6+ years of experience in software development. Strong skills in .NET/C# , SQL Server , and .NET Core (ASP.NET - MVC). Experience with Azure , CI/CD pipelines , and Azure DevOps. A proactive mindset More ❯

Senior .NET Developer - Are you ready to bring your expertise to a company where your voice matters, your growth is supported, and your work makes a real impact? Miller Maxwell's client is building a diverse, collaborative team at a global financial services firm with a FinTech … mindset. As a Senior .NET Developer , you’ll lead greenfield projects in a supportive, agile environment that values innovation, inclusion, and balance. 🏡 Hybrid Working: 2 days in our London office, 3 days remote 🤝 Culture: Inclusive, empowering, and people-first What You’ll Be Doing: Work within full … high-quality, scalable software that aligns with our core values. What You’ll Bring: 6+ years of experience in software development. Strong skills in .NET/C# , SQL Server , and .NET Core (ASP.NET - MVC). Experience with Azure , CI/CD pipelines , and Azure DevOps. A proactive mindset More ❯

Social network you want to login/join with: Job Title: Senior .NET Developer We are seeking a highly skilled Senior .NET Developer to join our growing technology team. This role requires strong expertise in .NET development , deep knowledge of SQL and database … will have the opportunity to work with global brands such as Google, Sony, and Visa. Key Responsibilities Design, develop, and maintain scalable and robust .NET applications. Lead the implementation of technical solutions aligned with business goals. Optimize and manage complex SQL databases, ensuring data integrity and performance. Collaborate with … up-to-date with emerging technologies and industry trends, especially within payments and digital transactions. Key Skills & Experience 5+ years of professional experience in .NET development (C#, ASP.NET, .NET Core). Strong hands-on experience with SQL Server , T-SQL, and performance tuning. Proven experience with database architecture More ❯

Senior .NET Developer - Are you ready to bring your expertise to a company where your voice matters, your growth is supported, and your work makes a real impact? Miller Maxwell's client is building a diverse, collaborative team at a global financial services firm with a FinTech … mindset. As a Senior .NET Developer , you’ll lead greenfield projects in a supportive, agile environment that values innovation, inclusion, and balance. Hybrid Working: 2 days in our London office, 3 days remote Culture: Inclusive, empowering, and people-first What You’ll Be Doing: Work within full … high-quality, scalable software that aligns with our core values. What You’ll Bring: 6+ years of experience in software development. Strong skills in .NET/C# , SQL Server , and .NET Core (ASP.NET - MVC). Experience with Azure , CI/CD pipelines , and Azure DevOps. A proactive mindset More ❯

Social network you want to login/join with: My client is seeking a highly skilled and experienced Senior .NET Developer to join dynamic engineering team. The ideal candidate will have a strong background in building scalable applications using the Microsoft .NET stack, proven experience with … next-generation financial solutions, contributing to architecture decisions, and mentoring junior developers. Key Responsibilities: Design, develop, and maintain robust, scalable, and secure applications using .NET (C#, .NET Core/.NET 6+) Lead cloud-native solution development using AWS services such as Lambda, API Gateway, DynamoDB, S3, ECS … standards in the FinTech space Conduct code reviews and provide constructive feedback Required Skills & Experience: 6+ years of professional experience in software development with .NET (C#, .NET Core/.NET 6+) At least 2+ years as a proven Senior .Net developer - Ideally within the More ❯

Social network you want to login/join with: Senior Full Stack Developer - .NET, Blazor, west london col-narrow-left Client: Oliver Bernard Location: west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 1 Posted: 31.05.2025 Expiry Date: 15.07.2025 … col-wide Job Description: Senior Full Stack Developer - .NET, Blazor Fully remote working (UK based ) Salary paying £65,000-£70,000 Our client in the retail space are a market leader in providing warehousing, manufacturing and logistic services across the UK. This is a great opportunity to … piece moving from ASP.NET MVC to modern Blazor as they look to roll out a new system. They are also undergoing a migration to .NET 9. They are looking for a Senior Full Stack Developer who has experience with .NET Framework/Core and Blazor. Tech More ❯

Social network you want to login/join with: Senior Full Stack Developer - .NET, Blazor, south west london col-narrow-left Client: Oliver Bernard Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 1 Posted: 31.05.2025 Expiry … Date: 15.07.2025 col-wide Job Description: Senior Full Stack Developer - .NET, Blazor Fully remote working (UK based ) Salary paying £65,000-£70,000 Our client in the retail space are a market leader in providing warehousing, manufacturing and logistic services across the UK. This is a great … piece moving from ASP.NET MVC to modern Blazor as they look to roll out a new system. They are also undergoing a migration to .NET 9. They are looking for a Senior Full Stack Developer who has experience with .NET Framework/Core and Blazor. Tech More ❯

Senior Full Stack C# .NET DeveloperFully Remote (UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB, UltraAuthor, UltraXML , and UltraPortal —are used globally and combine proven legacy systems with … us on our journey to become the global leader in aerospace and defence content management. Role Overview We're looking for a proactive, experienced Senior Full Stack .NET Developer to help evolve our product suite. You’ll work across both legacy Windows desktop applications and modern web … native architecture. This role is perfect for someone who enjoys innovating within established environments while also driving forward new development. Technology Stack Legacy C#, .NET Framework, WinForms, WCF Client-Server Architecture, MS SQL Server Modern .NET 9, Blazor, Minimal APIs Entity Framework, Redis, RabbitMQ Aspire (.NET), Cloud More ❯

Social network you want to login/join with: Senior Full Stack C# .NET Developer, west london col-narrow-left Client: WebX Systems Ltd. Location: west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date … 15.07.2025 col-wide Job Description: Senior Full Stack C# .NET DeveloperFully Remote (UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB, UltraAuthor, UltraXML , and UltraPortal —are used globally and … us on our journey to become the global leader in aerospace and defence content management. Role Overview We're looking for a proactive, experienced Senior Full Stack .NET Developer to help evolve our product suite. You’ll work across both legacy Windows desktop applications and modern web More ❯

Social network you want to login/join with: Senior Full Stack C# .NET Developer, south west london col-narrow-left Client: WebX Systems Ltd. Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 … Expiry Date: 15.07.2025 col-wide Job Description: Senior Full Stack C# .NET DeveloperFully Remote (UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB, UltraAuthor, UltraXML , and UltraPortal —are used … us on our journey to become the global leader in aerospace and defence content management. Role Overview We're looking for a proactive, experienced Senior Full Stack .NET Developer to help evolve our product suite. You’ll work across both legacy Windows desktop applications and modern web More ❯

Senior Full Stack Developer - .NET, Blazor Get AI-powered advice on this job and more exclusive features. This range is provided by Oliver Bernard. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message … the job poster from Oliver Bernard Principal Consultant at Oliver Bernard | Specialist in scaling Software Engineering teams Senior Full Stack Developer - .NET, Blazor Fully remote working (UK based) Salary: £65,000-£70,000 Our client in the retail space is a market leader in providing warehousing, manufacturing … opportunity to work on a migration from ASP.NET MVC to modern Blazor as they roll out a new system. They are also migrating to .NET 9. They seek a Senior Full Stack Developer with experience in .NET Framework/Core and Blazor. Tech Stack: C#, .NET More ❯

Social network you want to login/join with: Senior C# (.NET) Developer with search ranking (Apache Solr) experience to build microservices and queries for search indexing in an AWS environment, London col-narrow-left Client: S.i. Systems Location: London, United Kingdom Job Category: Other - EU work … col-narrow-right Job Reference: 56e5100d2bd4 Job Views: 2 Posted: 02.06.2025 Expiry Date: 17.07.2025 col-wide Job Description: Our Client is seeking a Senior C# (.NET) Developer with search ranking (Apache Solr) experience to build microservices and queries for search indexing in an AWS environment. Fully … remote role that can be worked anywhere within Canada. Must Haves: 8+ years as a Software Developer using Object-Oriented Design (OOD) Most recent 3 years primarily focused on C# (.NET) Experience with Apache Solr including changing ranking order, key areas, adding plug ins and building custom analyzers More ❯

Social network you want to login/join with: Senior Software Developer (.Net), south west london col-narrow-left Client: Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 04.06.2025 Expiry Date: 19.07.2025 col-wide … like AI-powered customer acquisition, automated lead validation, and multi-channel digital marketing within the Martech sector. The work is more back-end focused, .Net 8, SQL with Azure Cloud. But some Blazor or React work is available. Artificial Intelligence/AI is something they are also looking heavily … be developing both internal and external facing systems. Following a modern approach to CI/CD and Infrastructure as Code (IaC) Skills Needed Skilled .Net Developer - modern with .Net Core SQL Database Experience with Event Driven Design (like Rabbit MQ) Cloud would be ideal - they use Azure More ❯

Senior C# Developer/Software Engineer (C# .Net AWS Python) London/WFH to £100k Would you like to join a growing and profitable start-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of … influence and progression? As a Senior C# Developer you will architect and build highly performant and scalable solutions using the Microsoft tech stack and SOLID design principles, collaborating with cross functional Agile project teams in 2 week Sprints, you'll be an advocate of best practice and ensure … days in the brand new London offices and flexibility to work from home three days a week. About you: You are an experienced Software Developer/Engineer with a strong knowledge of modern best practice You have strong C# backend development skills, ideally also Python coding skills You have More ❯

Senior Software Developer (C#.Net & PHP) Senior Software Developer (C#.Net & PHP) This range is provided by Primis . Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Primis Delivery … and hotels. Their products are transforming the way people book tables, enjoy their nights out, and receive exceptional service. They’re currently hiring a Senior Software Developer to join a high-performing, cross-functional team within their Bookings product area. This is a hands-on role covering the … high-quality software, and brings a positive, proactive attitude to the team. Required Skills & Experience: 5+ years of hands-on experience with C#/.NET Core/ASP.NET and PHP Proficient in relational databases (SQL Server, MySQL) Knowledge of high availability systems, caching strategies, and tools like Redis or More ❯

and our mission on our website: https://www.tembomoney.com/our-mission About the job Tembo is on the lookout for a passionate Senior .Net Engineer to join the savings team. We’re currently in the midst of a platform revolution as we re-architect towards a … and cut your teeth into some exciting and pivotal problems. The stack is currently a React Native mobile app (currently being rewritten), with a .Net microservice architecture (monolith + services). Key Responsibilities: Service Creation: Drive the development of robust, scalable services that underpin the customer experience. Feature Development … open standards such as OpenTelemetry and OpenApi About you At least 5 years of professional experience in software development, with a strong focus on .Net technologies. Expertise in .Net framework, C#, and demonstrable experience of building event-driven distributed platforms Experience with Azure and database technologies (SQL/ More ❯

display and foster them, it’s deeply embedded within our DNA. Invest in us and we’ll invest in you! Job Description As a Senior .NET Developer, you'll be responsible for delivering software components that form part of an application, product or service. You'll write … applications/services you build and contribute to the wider project development. Qualifications Preferably full-stack.Net Core with (HTML, CSS, Javascript) Experience with ASP .Net MVC 5, REST Web APIs Practical development knowledge of Azure services .NET Web API, Rest and OData Web Services In depth knowledge of More ❯

Social network you want to login/join with: Senior C# (.Net Core) Developer (10+ years) with strong backend experience to upgrade a complex application in a Cloud environment (AWS), London col-narrow-left Client: S.i. Systems Location: London, United Kingdom Job Category: Other - EU work permit … required: Yes col-narrow-right Job Reference: 38acd2d133e9 Job Views: 12 Posted: 28.04.2025 Expiry Date: 12.06.2025 col-wide Job Description: Our client is seeking Senior C# (.Net Core) Developer (10+ years) with strong backend experience to upgrade a complex application in a Cloud environment * This role is … and candidates must be willing to work standard MST business hours. Preference given to local Calgary candidates. Must Have: 10+ years experience as a Senior C# (.Net Core) Developer with strong backend experience to upgrade a complex application Experience with both non-relational ( MongoDB , AWS DynamoDB ) and More ❯

Job Description: Senior Full Stack Developer - .NET, Blazor Location: Fully remote (UK-based only) Salary: £65,000-£70,000 Our client, a leader in the retail space providing warehousing, manufacturing, and logistics services across the UK, is seeking a Senior Full Stack Developer (Backend weighted … to join their team. This role involves working on a new system rollout and participating in a migration project to .NET Core 9. Requirements: Experience with .NET Framework/Core and Blazor Proficiency in C#, SQL, REST APIs, ASP.NET MVC, Azure, Entity Framework, Git Based in the UK More ❯

We are looking for a seasoned .NET Developer to join our Development team, working on an advanced financial software platform designed for investment management firms. Our powerful platform integrates portfolio management, order management, electronic trading, compliance, and risk into a unified solution, covering the entire investment cycle from More ❯