1 to 25 of 38 Permanent 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 .NET Developer at MHouse Business Solutions (Sponsorship Available) MHouse Business Solutions Ltd is looking for a passionate and efficient Senior .NET Developer to join their team. If you thrive in a dynamic and innovative environment, we want to hear from you! About the … to £40,000 per year Job Type: Full Time Location: Motherwell, Scotland, UK About the Role We are seeking a talented Full Stack .NET Developer to join our team and play a pivotal role in building our new SaaS platform. Are you a passionate full-stack .NET developer with a talent for creating scalable SaaS solutions? Do you thrive in both backend and frontend development and enjoy solving complex technical challenges? If so, we want to hear from you! Main Duties Design, develop, and implement both backend and frontend solutions for our innovative SaaS platform 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 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 ❯

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 ❯

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 ❯

Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Espire Infolabs Espire Infolabs is hiring for Senior .Net Developer for London, UK location. Role : Dot Net Developer/Lead Location: London, UK(3 Days/week onsite) Desired … Industry Experience: 7+ years Job Description: Proven experience as a .NET Core Developer with expertise in Microsoft Azure. Proficiency in C# and .NET Core for server-side development. Excellent Coding skills and best practices Strong experience of Azure services, including but not limited to Azure App Service … skills. Excellent communication and teamwork skills. Self-motivated with a passion for learning and staying current with industry trends. Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Information Technology Industries IT Services and IT Consulting Referrals increase your chances of More ❯

Senior Developer – .NET, C#, SQL Server, API, Azure Devops, MDM/ETL Exp: 5+ yrs Work Timing: 9 AM to 5 PM EST(2 PM to 10.00 PM UK) Work Location: Remote Job Description Senior Developer – .NET, C#, SQL Server, API, Azure Devops, MDM …/ETL Duties to be performed Deep knowledge/experience in .NET back-end development with C# and SQL to design, develop and implement solutions • Experience with Entity Framework or similar object-relationship mapping frameworks • Experience building and managing RESTful APIs and SQL Server objects • Experience with Azure DevOps 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 ❯

Senior Full Stack Developer - .NET, Blazor Fully remote working (UK based ) Salary paying £70,000-£80,000 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 work on a migration … 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 … Stack: C#, .NET Core, SQL, Blazor, Rest APIs, ASP.NET MVC, Azure, Entity Framework, Git, This is a fully remote role and you must be based in the UK in order to be considered. Visa sponsorship is not available for this role. Salary is paying £70,000-£80,000 Working More ❯

Senior .NET Software Engineer - An esteemed investment management company is seeking an experienced Senior .NET Software Engineer to lead the development of robust and scalable financial solutions. This high-impact role offers a chance to shape technology strategies and mentor junior engineers in a collaborative and … growth-focused team. Responsibilities : Drive the design, development, and deployment of complex software solutions using .NET technologies. Architect scalable systems to support evolving business requirements and ensure high performance. Take ownership of key projects, managing technical deliverables and ensuring deadlines are met. Provide technical leadership, guiding junior engineers and … promoting best practices within the team. Collaborate with stakeholders to align technical implementations with business objectives. Skills & Experience : Extensive experience in .NET development, including expertise in C#, ASP.NET Core, and microservices architecture. Strong knowledge of database systems, including SQL and NoSQL technologies. Demonstrated success in delivering complex technical projects More ❯

Senior .NET Developer Location: Central London, hybrid working, 1 day a week onsite. Day rates: £550-£650 (Outside IR35) Duration: 6 months initially with likely extensions Our client are on an exciting greenfield journey to build a brand-new, cloud-native platform. You will work closely with … ll contribute to the full software lifecycle, from design and development to deployment and operation in production. They're building this platform in modern .NET and Azure PaaS. Must-haves: Senior-level experience developing in C#, .NET Core Strong understanding of APIs using ASP.NET, MVC, Web API More ❯

Senior .NET Developer Location: Central London, hybrid working, 1 day a week onsite. Day rates: £550-£650 (Outside IR35) Duration: 6 months initially with likely extensions Our client are on an exciting greenfield journey to build a brand-new, cloud-native platform. You will work closely with … ll contribute to the full software lifecycle, from design and development to deployment and operation in production. They're building this platform in modern .NET and Azure PaaS. Must-haves: Senior-level experience developing in C#, .NET Core Strong understanding of APIs using ASP.NET, MVC, Web API More ❯

Senior Technical Java and C# .net Software Developer We are currently recruiting a Java with C# .net Senior Software Developer – who can be the lead in the team. You must have at least 5 to 7 years proven track record of developing software with … Java and C# .net framework coupled with SQL Server. Ability to own and drive forward Omni channel technical solutions and technical architecture from an IT perspective (with direction from Head of IM, Consumer & Brands) o Ownership of FM Digital Technical architecture including the ongoing review of overall FM Omni … focus. · Provide governance for troubleshooting complex system issues as necessary · Develop or contribute to business cases, roadmaps and proposals which may include presentations to senior management. · Collaboration with Business, Technical, and Security Architects, to manage risk identification and risk mitigation tactics associated with the designs. Role-specific knowledge: · 5+ 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 ❯

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 ❯

This job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board. Why SoftwareOne? JOB DESCRIPTION Senior .Net Developer Goatpath is SoftwareONE's software team that builds platforms and products to automate and govern customers' software and cloud investments … from you What we need from you Creative and empathic personality with strong desire to achieve results together with others. Wake up thinking about .NET and C#. Must have a love for SOLID principles and OOD. Understand containerization using Docker and Kubernetes. Like delivering secure, robust RESTful and GraphQL More ❯

Job Description Senior Technical Java and C# .net Software Developer We are currently recruiting a Java with C# .net Senior Software Developer - who can be the lead in the team. You must have at least 5 to 7 years proven track record of developing … software with Java and C# .net framework coupled with SQL Server. Responsibilities: Ownership of FM Digital Technical architecture including the ongoing review of overall FM Omni technical design, structure and future-fit. Project lead on any future re-platforming for FM.com. Be the technology lead managing the 'day to … focus. Provide governance for troubleshooting complex system issues as necessary. Develop or contribute to business cases, roadmaps and proposals which may include presentations to senior management. Collaboration with Business, Technical, and Security Architects, to manage risk identification and risk mitigation tactics associated with the designs. Role-specific knowledge: 5+ More ❯