1 to 25 of 32 Senior .NET Developer Jobs in the UK

Senior .NET Developer | .NET | AWS | Event Driven | Remote | £550/day Outside IR35 We have partnered with one of the leading FinTechs in the UK, which is looking to expand its engineering team. This company is known for having some of the strongest talent working for them. Details Remote working (Must be located in the UK … Up to £550/day Outside IR35 Initial 6-month contract Key Skills Experience operating at a Senior Level, either in your last position or in a previous position Strong experience with .NET for building APIs. Solid experience with Event Driven Systems. Experience working with AWS and cloud development. Senior .NET Developer | .NET | AWS More ❯

Senior .NET Developer – Manchester (Hybrid Remote) - £60k .NET Core & Azure DevOps | 2pdw in office | Modernisation Project | Flexible Culture | Agile Scrum Ada Meher is partnering with a Software Vendor in the Rates Management technology space, as they seek to recruit an experienced .NET Developer to help them progress their SaaS product through a modernisation from … preferring to focus on productivity over time-at-desk, so it’s a perfect role for keeping up with life commitments around work. To Be Considered: Excellent experience with .NET 3.1-8/.NET Core/ASP.NET MVC Experience leading a small team in a Scrum environment Strong experience with Typescript or JavaScript Experience with CI/CD … to the continuous improvement of the software. As such please apply with confidence if you lack one or two of these skills.We are anticipating a strong response to this Senior .NET Developer role, so please get in contact today for more information or send a CV to . 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 a development/some form of coding background who has blossomed into Software Security/Cloud Security engineer. We NEED More ❯

Senior .NET Developer Global Tech Company | Agile Delivery Teams | Hands-On | UK-Based Millions of customers. One proprietary platform. Infinite possibilities. This global technology business has just completed a massive migration to their own platform, and now, the stage is set for scale, innovation, and speed. Products are being built at pace, technology is unlocking new capabilities … and the experiences delivered to customers worldwide are next-level. At the heart of it all? The tech team. And they’re looking for a Senior .NET Developer to join one of their agile delivery squads and help shape the future of their platform. What You’ll Do: Build and maintain integrations between web front-ends, back … engineering teams to maintain a robust CI/CD pipeline. Ensure all code is testable, covering unit, integration, UI, and performance tests. Who You Are: Solid commercial experience with .NET and C#. Hands-on experience with Akka.NET for building distributed, scalable, fault-tolerant systems. Familiar with N-Tier architecture and service-oriented design (SOA). Strong understanding of OOP More ❯

Senior .NET Developer Global Tech Company | Agile Delivery Teams | Hands-On | UK-Based Millions of customers. One proprietary platform. Infinite possibilities. This global technology business has just completed a massive migration to their own platform, and now, the stage is set for scale, innovation, and speed. Products are being built at pace, technology is unlocking new capabilities … and the experiences delivered to customers worldwide are next-level. At the heart of it all? The tech team. And they’re looking for a Senior .NET Developer to join one of their agile delivery squads and help shape the future of their platform. What You’ll Do: Build and maintain integrations between web front-ends, back … engineering teams to maintain a robust CI/CD pipeline. Ensure all code is testable, covering unit, integration, UI, and performance tests. Who You Are: Solid commercial experience with .NET and C#. Hands-on experience with Akka.NET for building distributed, scalable, fault-tolerant systems. Familiar with N-Tier architecture and service-oriented design (SOA). Strong understanding of OOP More ❯

Senior .NET Developer Global Tech Company | Agile Delivery Teams | Hands-On | UK-Based Millions of customers. One proprietary platform. Infinite possibilities. This global technology business has just completed a massive migration to their own platform, and now, the stage is set for scale, innovation, and speed. Products are being built at pace, technology is unlocking new capabilities … and the experiences delivered to customers worldwide are next-level. At the heart of it all? The tech team. And they’re looking for a Senior .NET Developer to join one of their agile delivery squads and help shape the future of their platform. What You’ll Do: Build and maintain integrations between web front-ends, back … engineering teams to maintain a robust CI/CD pipeline. Ensure all code is testable, covering unit, integration, UI, and performance tests. Who You Are: Solid commercial experience with .NET and C#. Hands-on experience with Akka.NET for building distributed, scalable, fault-tolerant systems. Familiar with N-Tier architecture and service-oriented design (SOA). Strong understanding of OOP More ❯

Senior .NET Developer | FinTech | Azure | Event Driven Architecture | £600/Day Outside IR35 | Hybrid, LDN We have partnered with one of the leading FinTech companies in London, which is looking to expand its engineering team. You’ll contribute to building scalable products and APIs that enable the business to understand its performance and unlock new growth opportunities. … Details 3 days onsite in London Up to £600/day Outside IR35 Initial 6-month contract Key Skills Experience operating at a Senior Level, either in your last position or in a previous position Strong experience with .NET for building APIs. Solid experience with Event Driven Systems. Experience working with Azure and cloud development. Senior .NET Developer | FinTech | .NET | Azure | Event Driven Architecture | £600/Day Outside IR35 | Hybrid, LDN More ❯

Senior .NET Developer | FinTech | Azure | Event Driven Architecture | £600/Day Outside IR35 | Hybrid, LDN We have partnered with one of the leading FinTech companies in London, which is looking to expand its engineering team. You’ll contribute to building scalable products and APIs that enable the business to understand its performance and unlock new growth opportunities. … Details 3 days onsite in London Up to £600/day Outside IR35 Initial 6-month contract Key Skills Experience operating at a Senior Level, either in your last position or in a previous position Strong experience with .NET for building APIs. Solid experience with Event Driven Systems. Experience working with Azure and cloud development. Senior .NET Developer | FinTech | .NET | Azure | Event Driven Architecture | £600/Day Outside IR35 | Hybrid, LDN More ❯

Senior .NET Developer | FinTech | Azure | Event Driven Architecture | £600/Day Outside IR35 | Hybrid, LDN We have partnered with one of the leading FinTech companies in London, which is looking to expand its engineering team. You’ll contribute to building scalable products and APIs that enable the business to understand its performance and unlock new growth opportunities. … Details 3 days onsite in London Up to £600/day Outside IR35 Initial 6-month contract Key Skills Experience operating at a Senior Level, either in your last position or in a previous position Strong experience with .NET for building APIs. Solid experience with Event Driven Systems. Experience working with Azure and cloud development. Senior .NET Developer | FinTech | .NET | Azure | Event Driven Architecture | £600/Day Outside IR35 | Hybrid, LDN More ❯

Senior .NET Developer | FinTech | Azure | Event Driven Architecture | £600/Day Outside IR35 | Hybrid, LDN We have partnered with one of the leading FinTech companies in London, which is looking to expand its engineering team. You’ll contribute to building scalable products and APIs that enable the business to understand its performance and unlock new growth opportunities. … Details 3 days onsite in London Up to £600/day Outside IR35 Initial 6-month contract Key Skills Experience operating at a Senior Level, either in your last position or in a previous position Strong experience with .NET for building APIs. Solid experience with Event Driven Systems. Experience working with Azure and cloud development. Senior .NET Developer | FinTech | .NET | Azure | Event Driven Architecture | £600/Day Outside IR35 | Hybrid, LDN More ❯

Senior .NET Developer | FinTech | Azure | Event Driven Architecture | £600/Day Outside IR35 | Hybrid, LDN We have partnered with one of the leading FinTech companies in London, which is looking to expand its engineering team. You’ll contribute to building scalable products and APIs that enable the business to understand its performance and unlock new growth opportunities. … Details 3 days onsite in London Up to £600/day Outside IR35 Initial 6-month contract Key Skills Experience operating at a Senior Level, either in your last position or in a previous position Strong experience with .NET for building APIs. Solid experience with Event Driven Systems. Experience working with Azure and cloud development. Senior .NET Developer | FinTech | .NET | Azure | Event Driven Architecture | £600/Day Outside IR35 | Hybrid, LDN More ❯

Great opportunity for a Senior .NET Developer to join a SaaS scale-up in Manchester. Since their inception in 2015 this company has grown from start-up to scale-up, they now employ almost 200 people and have over 50,000 clients using their software across the globe. The technology department is made up of 5 product … truly agile way, delivering small increments of value to their customers very frequently. This role sits within the team responsible for developing their flagship software platform and as a Senior .NET Developer you'll be given the opportunity to build, test and ship super-fast in a team that cares about engineering best practice, pairing and continuous … improvement. Skills: C#, .NET, REST APIs Azure Cloud - Azure Functions, Logic Apps, Service Bus, CosmosDB TDD, CI/CD, SOLID The money is good too - up to £70k for the right person. If you're interested in this opportunity and would like to know more, please apply through this advert and I will contact you ASAP. InterQuest Group is More ❯

Senior Full-Stack .NET Developer – Remote (UK-Based) Are you a confident .NET Developer looking for a fully remote senior role where you can take ownership, work autonomously, and help shape a modern tech stack? We’re hiring for an experienced Full-Stack .NET Developer to join a small, senior development … users, helping to rebuild and evolve a complex platform that powers thousands of online stores. This is a hands-on role with a strong focus on backend development in .NET 8 , alongside supporting UI development built in React . The Role Deliver new backend functionality in modern .NET (C#/.NET 8) Help integrate and validate React … GraphQL APIs for third-party platform integrations Collaborate closely with a small, experienced team in a flat structure Remote-first – work from anywhere in the UK Tech Stack Backend: .NET 8, C#, Azure, PostgreSQL Frontend: React, Vue (legacy), Loveable (low-code React generator) Tools: GitHub Actions, Azure Service Fabric, Supabase Integrations: Shopify, other e-commerce APIs You’ll Need More ❯

Job Title: Senior Developer (.NET) Location: Solihull/Hybrid Salary: Competitive + Benefits Type: Full-time, Permanent About TXP.co.uk TXP is a forward-thinking IT consultancy delivering impactful digital solutions across public and private sectors. We're passionate about innovation, collaboration, and creating inclusive environments where talent thrives. The Role We're looking for a Senior Developer/Solutions Architect with deep .NET expertise to lead the design and delivery of scalable, secure, and high-performing applications. You'll work across internal and client-facing projects, guiding teams and shaping technical direction. What You'll Do: Lead solution design and development using C#/.NET and Azure Collaborate with architects, developers, and … junior developers and contribute to technical standards Engage with clients to understand business needs and translate them into technical solutions What You'll Bring: Proven experience in C#/.NET development and architecture Strong knowledge of Azure (Functions, App Services, DevOps) Experience with Agile methodologies and modern DevOps practices Excellent communication and leadership skills A passion for quality, innovation More ❯

Senior C# Developer/Software Engineer (C# .Net Core AWS) Sunderland/WFH to £75k Do you have strong C# .Net Core backend development skills? You could be progressing your career in a senior, hands-on C# Developer role at a growing games/gambling site, whilst enjoying a range of benefits and perks. … As a Senior C# Developer within the customer onboarding team you will help shape the player onboarding and registration journeys, including KYC and identity verifications. You'll design and develop backend features that interact with the web front end (TypeScript, Vue.js) and migrate code from .Net MVC to .Net Core, ensuring it's reliable, scalable and … well documented. This is a senior position where you'll contribute to the planning of technical projects, provide guidance, conduct code reviews and input into technical discussions and decision making. Location/WFH: There's a hybrid work from home policy with 2-3 days a week; when you're in the office you'll be collaborating with fellow More ❯

Senior C# Developer/Software Engineer (C# .Net Core AWS) Sunderland/WFH to £75k Do you have strong C# .Net Core backend development skills? You could be progressing your career in a senior, hands-on C# Developer role at a growing games/gambling site, whilst enjoying a range of benefits and perks. … As a Senior C# Developer within the customer onboarding team you will help shape the player onboarding and registration journeys, including KYC and identity verifications. You'll design and develop backend features that interact with the web front end (TypeScript, Vue.js) and migrate code from .Net MVC to .Net Core, ensuring it's reliable, scalable and … well documented. This is a senior position where you'll contribute to the planning of technical projects, provide guidance, conduct code reviews and input into technical discussions and decision making. Location/WFH: There's a hybrid work from home policy with 2-3 days a week; when you're in the office you'll be collaborating with fellow More ❯

Senior Back-End Developer - C#/.NET/SQL Server C#, .NET 6+, SQL Server, REST & GraphQL APIs, Azure, Git Salary up to £65k Onsite in Central Manchester Excellent career progression Who We Are We're a collaborative tech team delivering robust, scalable SaaS products to a global customer base. Our developer-led culture values … clean, maintainable code, innovation, and continuous learning. With an ambitious roadmap ahead, we're expanding our back-end capabilities and looking for a Senior Developer to help shape and deliver our next generation of features. Who We're Seeking We're looking for a Senior Back-End Developer with deep expertise in C# (.NET 6+ … free to call me on . By applying, you consent to us processing your details for this vacancy only. We look forward to hearing from you! Key Skills: C#, .NET 6+, SQL Server, REST APIs, GraphQL, Git, Agile, TDD (NUnit), Entity Framework, Azure, Design Patterns, Observability, Security Best Practices More ❯

Senior C# .NET Developer Mayfair, London - Hybrid (1 - 2 days per week in the office) £68,000 - £72,000 per annum The Role We’re hiring a backend C# .NET Developer to join our engineering team in a hybrid role (1 - 2 days per week in the office). You’ll help build and maintain … searching , order processing , and background processes with a strong focus on both application logic and data access . This role is ideal for someone confident in both C#/.NET development and SQL , and who enjoys working on clean, maintainable code and performance-optimised database logic. What You’ll Be Working On: Designing and building backend services in C#. … Grafana for logs, metrics, tracing, and alerting across backend services. Contributing to technical design discussions, code reviews, and deployments. What We’re Looking For: Strong experience in C#/.NET backend development. Solid understanding of data modelling, indexing, and performance tuning. Skilled in writing and optimising complex SQL queries and stored procedures. Experience building and maintaining APIs, background jobs More ❯

Senior C# .NET Developer Mayfair, London - Hybrid (1 - 2 days per week in the office) £68,000 - £72,000 per annum The Role Our client is hiring a backend C# .NET Developer to join their engineering team in a hybrid role (1 - 2 days per week in the office). You’ll help build and … searching , order processing , and background processes with a strong focus on both application logic and data access . This role is ideal for someone confident in both C#/.NET development and SQL , and who enjoys working on clean, maintainable code and performance-optimised database logic. What You’ll Be Working On: Designing and building backend services in C#. … Grafana for logs, metrics, tracing, and alerting across backend services. Contributing to technical design discussions, code reviews, and deployments. What They’re Looking For: Strong experience in C#/.NET backend development. Solid understanding of data modelling, indexing, and performance tuning. Skilled in writing and optimising complex SQL queries and stored procedures. Experience building and maintaining APIs, background jobs More ❯

Senior Web Developer – .NET Core | Azure | APIs | £45,000–£60,000 Permanent | Full Time | Hybrid | Greater Manchester My client is hiring for a .NET Developer to work on new and evolving products used by major UK brands. You will be involved in the full development lifecycle, from system design and implementation to deployment and optimisation. … Server for data design and access Collaborating within Agile teams using sprints or Kanban Deploying to cloud platforms (primarily Azure ) using CI/CD pipelines Requirements 5+ years of .NET development experience , with full-stack exposure Practical experience with ASP.NET Core, C#, Web API, HTML/CSS/JavaScript Strong understanding of software design principles (SOLID, design patterns) Experience More ❯

Senior C# Developer/Backend Software Engineer (C# .Net Core) *Newcastle onsite* to £130k+ Are you a backend focused C# Developer with a strong academic background, looking to take the next step in your career? This is an opportunity to work on complex, high-impact systems at a growing FinTech scale-up with solid financial backing … holiday Bupa healthcare Generous pension contribution Continuous career development opportunities Social team atmosphere with a range of events and early finish for drinks on Fridays Your role: As a Senior C# Developer you will collaborate with a small, talented team to deliver the core platform within a Microsoft environment using the latest versions of C# .Net to … university, backed by A's 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/Backend Software Engineer (C# .Net Core) *Newcastle onsite* to £130k+ Are you a backend focused C# Developer with a strong academic background, looking to take the next step in your career? This is an opportunity to work on complex, high-impact systems at a growing FinTech scale-up with solid financial backing … holiday Bupa healthcare Generous pension contribution Continuous career development opportunities Social team atmosphere with a range of events and early finish for drinks on Fridays Your role: As a Senior C# Developer you will collaborate with a small, talented team to deliver the core platform within a Microsoft environment using the latest versions of C# .Net to … university, backed by A's 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 ❯

I’m working with an award-winning EdTech company that is looking for a Senior Full-Stack .NET Developer to join their team on a fully remote basis. On a daily basis, you will be playing a key part in evolving a world-class educational platform, working across the full stack, helping to build, test, and optimise More ❯

I’m working with an award-winning EdTech company that is looking for a Senior Full-Stack .NET Developer to join their team on a fully remote basis. On a daily basis, you will be playing a key part in evolving a world-class educational platform, working across the full stack, helping to build, test, and optimise More ❯

Senior Developer - AI, .NET, Microsoft Co-pilot Join a leading Digital, AI & Tech Transformation Partner UK based (Hybrid/Remote Options) - must be eligible for SC Clearance No sponsorship can be offered They are a trusted Microsoft Partner who's culture is built on collaboration, curiosity, and a shared passion for innovation. Helping organisations transform how they … work by delivering intelligent, secure, and scalable Microsoft solutions that make a real impact. What You’ll Do Design, develop, and maintain applications using .NET within Azure environments. Build and integrate AI-driven features using tools such as Azure OpenAI , Cognitive Services , and Microsoft Co-pilot Studio . Work collaboratively with cross-functional teams to translate business requirements into … Stay ahead of the curve with the latest Microsoft and AI advancements — sharing insights and helping shape our approach to intelligent solutions. What You’ll Bring Proven experience in .NET and C# development. Strong understanding of Azure services (App Services, Functions, Logic Apps, etc.). Hands-on experience with AI, ML, or Copilot-based solutions within the Microsoft ecosystem. More ❯