1 to 25 of 28 Remote Senior C# Developer Jobs in the UK

Are you an experienced .Net (C#) Developer, looking to take on a Lead Software Engineering role in a growing SaaS product company ? Keen to grow your technical skills around .Net 8, assist the CTO directly with the adoption of the latest AI/LLM dev tools (Cursor, v0) & act as lead/mentor to a small Dev … d like to join a growing, recently invested in, actually bringing offshore, back onshore, UK Software company – we’d like to speak with you! Job title: Lead Software Developer or Senior Software Developer looking for a step up to Lead. Location: Banbury, Oxfordshire. 3 days a week in the offices, 2 from home. Salary … an Agile Scrum Master, excellent technical product team & obviously software engineers in your team. Our tech stack, below. But, in the main, if you have solid experience in .Net (C#) at a senior or lead level, please get in touch! - C#/ASP.NET (Core & Framework) and modern JavaScript/TypeScript frameworks, particularly Angular (v8+) - MySQL - GitHub More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Lead Software Engineering role in a growing SaaS product company ? Keen to grow your technical skills around .Net 8, assist the CTO directly with the adoption of the latest AI/LLM dev tools (Cursor, v0) & act as lead/mentor to a small Dev … d like to join a growing, recently invested in, actually bringing offshore, back onshore, UK Software company – we’d like to speak with you! Job title: Lead Software Developer or Senior Software Developer looking for a step up to Lead. Location: Banbury, Oxfordshire. 3 days a week in the offices, 2 from home. Very … an Agile Scrum Master, excellent technical product team & obviously software engineers in your team. Our tech stack, below. But, in the main, if you have solid experience in .Net (C#) at a senior or lead level, please get in touch! - C#/ASP.NET (Core & Framework) and modern JavaScript/TypeScript frameworks, particularly Angular (v8+) - MySQL - GitHub More ❯

FinTech Hybrid/Remote - Portsmouth Office Award Winning Business Senior C# .NET Developer - FinTech - Remote or Hybrid The Opportunity We're delighted to be working with our prestigious FinTech client who are seeking an exceptional Senior C# .NET Developer to work on their proprietary software within their well established team. … UK's largest financial services companies and has established themselves as a key player in the FinTech space. This is a fantastic opportunity for an experienced Senior C# .NET Developer with good object-oriented analysis and design skills, familiarity with design patterns and practices to work for an award winning company..The role offers excellent career … demeanor is key, as is the ability to champion the adoption of innovative technologies within the team. Experience Good knowledge of Microsoft development technologies Visual Studio 2022 onwards Strong C#/.NET experience Net/.Net Core Web API development experience API documentation generation tools Experience using IoC containers SQL Server experience Experience using Entity Framework OOAD skills and More ❯

Senior Software Developer - Logistics - C#.Net/.Net Core/Cloud Computing Up to £68,840 per year + bonus Hybrid - 1 day per week YourCode Recruitment is proud to be working with an established software house that is building logistics software, used by millions of consumers across the UK&I. Our client has been in operation … has built a number of high performing cloud based systems that integrate with 3rd party software to improve efficiencies of logistics. Our client is looking to hire X2 Senior Software Developers to join their Engineering teams based in West Yorkshire. This role can be done on a remote-first basis, but visits to the office 1 per week … are contracted for project meetings. Duties: Working as a Senior Developer to deliver software solutions and assist in the development of new software based on customer requirements. Modifying existing software platforms to fit around new technologies and 3rd party integrations Be involved in Unit Testing Support lead developers with coaching juniors around specific technologies Technologies used More ❯

Senior C# Developer/Engineer (C# .Net Core React) London/WFH to £80k Are you a skilled C# Developer looking to work on complex and interesting systems with continual learning and self development opportunities You could be progressing your career at in a senior, hands-on role at … a successful and scaling Retail FX Brokerage working on Greenfield systems. As a Senior C# Developer you'll be designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built mostly in C# and React deployed to Azure. You'll focus on C# .Net backend development … scratch. Location/WFH: You'll join colleagues in the London office Monday to Wednesday with flexibility to work from home Thursday and Friday. About you: You have strong C# .Net Core backend development experience You have a good knowledge of microservices and Cloud (AWS or Azure) experience, ideally you'll have some experience with Docker/Kubernetes, EKS More ❯

Senior C# Developer/Software Engineer (C# .Net API AWS) Sunderland/WFH to £80k Are you a Senior C# Developer with backend expertise and a good knowledge of AWS? You could be progressing your career in a hands-on technical leadership role at a growing games/gambling … inner city parking Free tickets to EFL matches Hybrid working (x3 days a week office) Family friendly policies Social events and more! Your role: As a Senior C# Developer you'll take a lead, hands-on role in an Agile team (which you'll help to grow) developing game mechanics into readily deployable APIs with … resilience. You'll work across the full software development lifecycle, from inception through to release, building highly available applications using a range of technologies with a focus on backend C#, T-SQL, Redis and AWS.You'll provide mentoring and technical guidance to the team with a focus on delivery, whilst remaining hands-on and leading technical discussions and decision More ❯

Senior C# Developer/Software Engineer (C# .Net API AWS) Sunderland/WFH to £80k Are you a Senior C# Developer with backend expertise and a good knowledge of AWS? You could be progressing your career in a hands-on technical leadership role at a growing games/gambling … inner city parking Free tickets to EFL matches Hybrid working (x3 days a week office) Family friendly policies Social events and more! Your role: As a Senior C# Developer you'll take a lead, hands-on role in an Agile team (which you'll help to grow) developing game mechanics into readily deployable APIs with … resilience. You'll work across the full software development lifecycle, from inception through to release, building highly available applications using a range of technologies with a focus on backend C#, T-SQL, Redis and AWS.You'll provide mentoring and technical guidance to the team with a focus on delivery, whilst remaining hands-on and leading technical discussions and decision More ❯

This role will suit a Cambridge-based C# developer keen to work on the latest C# ASP.NET server-side code. This is a live, high-traffic system used by industry specialists at major companies. The company focuses on development practices that help productivity over red tape. They are profitable with a long history and are investing … monthly pub lunches for those who'd like them. To apply, you'll need a CV showing your: Significant commercial (or equivalent) experience as a developer using C#, ASP.NET (preferably ASP.NET Core MVC) and developing web APIs (preferably RESTful), using productive agile methods. Strong academic qualifications, or equivalent commercial experience. Full existing work permission for the UK 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 software is delivered to schedule. There's a host of new features and … 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 a good knowledge of AWS You have experience of working on highly scalable systems You have a strong knowledge More ❯

people who want to shape the future of work with us. Join us in unlocking global potential, one human and agent team at a time. Mission As a Senior Fullstack Engineer at Smartcat, you'll be at the forefront of shaping our platform's future. You'll lead the development of cutting-edge features, optimize our application's … Actively participate in code reviews, knowledge sharing, and continuous learning Requirements 7+ years of proven professional experience as a Software Engineer, with at least 3 years in .NET and C# 2+ years of experience in product companies (SaaS) 2 years of commercial experience with modern web frameworks like React/Angular/Vue Passion and strong skill for writing … clean, maintainable, and testable code and well-documented C# code Experience with writing and maintaining Unit tests and E2E tests Advanced experience with MongoDB Upper-intermediate or higher English proficiency Experience with usage of the LLM-based solutions in daily workflow (ChatGPT, CoPilot, JetBrains AI Assistant, etc). Understanding of vector databases, embeddings, and RAG implementations Strong problem-solving More ❯

Senior C# Software Developer Our client is an established software company with over 20 years of experience delivering innovative digital platforms to a wide user base. They are looking for a Senior Software Developer to join a small, collaborative team working across the full Microsoft and Azure technology stack. This is … work on both legacy and greenfield systems, contribute to architectural decisions, and support the continuous improvement of development practices. Key responsibilities: Develop and maintain scalable, high-quality software using C#, .NET, and Azure Lead on coding tasks and contribute to system architecture Perform code reviews and mentor junior developers Collaborate across teams to deliver business-critical solutions Provide second … line technical support as needed Essential experience: 5+ years in commercial software development Proficiency in C#, .NET, SQL Server, and JavaScript Experience with Azure services and DevOps tools Understanding of secure coding and software development best practices Desirable experience: Microservices, containers (Docker/Kubernetes) Front-end frameworks such as Vue.js Messaging systems (e.g. Service Bus, Kafka) NoSQL databases, REST More ❯

Senior C# Software Developer Our client is an established software company with over 20 years of experience delivering innovative digital platforms to a wide user base. They are looking for a Senior Software Developer to join a small, collaborative team working across the full Microsoft and Azure technology stack. This is … work on both legacy and greenfield systems, contribute to architectural decisions, and support the continuous improvement of development practices. Key responsibilities: Develop and maintain scalable, high-quality software using C#, .NET, and Azure Lead on coding tasks and contribute to system architecture Perform code reviews and mentor junior developers Collaborate across teams to deliver business-critical solutions Provide second … line technical support as needed Essential experience: 5+ years in commercial software development Proficiency in C#, .NET, SQL Server, and JavaScript Experience with Azure services and DevOps tools Understanding of secure coding and software development best practices Desirable experience: Microservices, containers (Docker/Kubernetes) Front-end frameworks such as Vue.js Messaging systems (e.g. Service Bus, Kafka) NoSQL databases, REST More ❯

Senior C# Software Developer Our client is an established software company with over 20 years of experience delivering innovative digital platforms to a wide user base. They are looking for a Senior Software Developer to join a small, collaborative team working across the full Microsoft and Azure technology stack. This is … work on both legacy and greenfield systems, contribute to architectural decisions, and support the continuous improvement of development practices. Key responsibilities: Develop and maintain scalable, high-quality software using C#, .NET, and Azure Lead on coding tasks and contribute to system architecture Perform code reviews and mentor junior developers Collaborate across teams to deliver business-critical solutions Provide second … line technical support as needed Essential experience: 5+ years in commercial software development Proficiency in C#, .NET, SQL Server, and JavaScript Experience with Azure services and DevOps tools Understanding of secure coding and software development best practices Desirable experience: Microservices, containers (Docker/Kubernetes) Front-end frameworks such as Vue.js Messaging systems (e.g. Service Bus, Kafka) NoSQL databases, REST More ❯

Senior C# Developer/Software Engineer (Windows Desktop Trading Systems) London to £140k Are you a Senior C# Developer with strong Windows desktop development skills combined with banking/financial services experience? You could be progressing your career at a Hedge Fund with over $10 billion under management. As a … Senior C# Developer you will work on critical systems across front, middle and back office systems to support trading, operations, finance, compliance and investor relations, optimising system performance to ensure efficient real-time data processing, reporting and automation of operational workflows. You'll focus on building C#, WinForms, WPF desktop applications and design and … flexibility to work from home once a week; there's a friendly and collaborative environment with casual dress code and a range of facilities. About you: You have strong C# desktop development experience on Windows within a banking or financial services environment You have a strong knowledge of SQL databases You have a good understanding of asset classes e.g. More ❯

Senior C# Developer/Software Engineer (Windows Desktop Trading Systems) London to £140k Are you a Senior C# Developer with strong Windows desktop development skills combined with banking/financial services experience? You could be progressing your career at a Hedge Fund with over $10 billion under management. As a … Senior C# Developer you will work on critical systems across front, middle and back office systems to support trading, operations, finance, compliance and investor relations, optimising system performance to ensure efficient real-time data processing, reporting and automation of operational workflows. You'll focus on building C#, WinForms, WPF desktop applications and design and … flexibility to work from home once a week; there's a friendly and collaborative environment with casual dress code and a range of facilities. About you: You have strong C# desktop development experience on Windows within a banking or financial services environment You have a strong knowledge of SQL databases You have a good understanding of asset classes e.g. More ❯

Senior C# Developer - Physics Location: East Midlands Industry: IT Salary: £55,000 - £75,000 per annum + Healthcare, Pension, Hybrid working Posted: 30/05/2025 Description We are seeking a Senior C# Developer with expertise in .NET Core, physics, and engineering to join an award-winning UK-based … Nottingham and offers a salary up to £75,000, along with a comprehensive benefits package including pension, bonus, and flexible working arrangements. Responsibilities: Design and develop software applications using C# and .NET Core. Apply physics and engineering principles, including complex algorithms, linear algebra, FFT, and signal processing. Work with cloud platforms, preferably AWS, and relational databases such as SQL. … practices. Collaborate within Agile teams to deliver high-quality solutions. Engage in research and development projects focused on sustainability and innovation. Requirements: Over five years of professional experience in C# .NET development. Educational or work background in physics or engineering. Experience with complex algorithms, linear algebra, FFT, or signal processing. Proficiency with cloud services (AWS preferred), SQL/Postgres More ❯

Senior/Lead Developer (C#/Python) - TOP Hedge Fund! Are you looking for a real and meaningful challenge? Do you enjoy solving problems? Are you ambitious and looking for autonomy and influence Central London - Hybrid working (3 days in the office and 2 days in the office) You will be joining a small but … growing hedge fund which is stable. A high-performing hedge fund is hiring a Senior/Lead Developer t o help design, build, and scale cutting-edge trading and operational systems. You'll work closely with traders, researchers, and stakeholders to deliver systems that are reliable, high-performing, and secure. Key Responsibilities Depending on your experience … and technical professionals Oversee cloud adoption and security architecture Present complex tech solutions to senior management Skills & Experience Required 5-7+ years in hands-on development (C# and/or Python) Strong background in hedge fund, asset management , or financial markets Solid DevOps skills: CI/CD, containerisation, source control (e.g. Git) ETL experience with financial More ❯

Senior C# Developer Bank London The Front office (Fixed Income) software development team requires an agile and versatile specialist and team player with extensive expertise in .Net/C# software. The role requires an experienced individual who is comfortable to work in close partnership with a variety of front office stakeholders, globally. Role details … Title: Senior Developer (software engineer) Technical stack C#.NET. Wider stack .Net, .Net Core, SQL Server Permanent role, salary £88,000- £110,000 Location: London City and home working hybrid Focus: Front office Fixed Income Role Summary Work closely with the Front Office (specifically within Fixed Income) to build and develop new amazing softwares. This role reports … within C#.NET & SQL Server This is a very strong team who have been building their front office team and have an excellent reputation Role requirements Core Development Languages covering C# .Net, .Net Core, & SQL Server Experience of Front Office trading systems (including low-touch e-trading platforms) is required Experience and understanding of a Fixed Income Banking is beneficial More ❯

Senior C# Developer Bank London The Front office (Fixed Income) software development team requires an agile and versatile specialist and team player with extensive expertise in .Net/C# software. The role requires an experienced individual who is comfortable to work in close partnership with a variety of front office stakeholders, globally. Role details … Title: Senior Developer (software engineer) Technical stack C#.NET. Wider stack .Net, .Net Core, SQL Server Permanent role, salary £88,000- £110,000 Location: London City and home working hybrid Focus: Front office Fixed Income Role Summary Work closely with the Front Office (specifically within Fixed Income) to build and develop new amazing softwares. This role reports … within C#.NET & SQL Server This is a very strong team who have been building their front office team and have an excellent reputation Role requirements Core Development Languages covering C# .Net, .Net Core, & SQL Server Experience of Front Office trading systems (including low-touch e-trading platforms) is required Experience and understanding of a Fixed Income Banking is beneficial More ❯

This successful Cambridge company develop simulation software for specialist industry. With international reach, yet local offices and a family feel they would suit an experienced engineer skilled in C# software development including desktop UI. WPF or comparable technologies are ideally sought. You'll be someone able to take on a senior hands-on development position within their … UI team, as well as assuming technical leadership responsibilities for the UI as your familiarity grows. Colleagues are likewise C# developers, a small team working closely with mathematical software engineers. They in turn develop the simulation side of the software suite, which is also C#. You will have: Extensive commercial-grade software development experience in C# with .NET … whether .NET 6-9, Framework or Core). Held senior developer responsibilities before, including taking a view on software engineering approaches, leading projects where required, and mentoring junior colleagues. Ideally, experience with WPF, XAML and related application architecture and event routing. Otherwise, desktop UI via Prism or with Windows Forms (or Qt, etc.), or equivalent UI More ❯

Senior Backend Engineer C#/.NET High-Trust, High-Autonomy SaaS Up to £60k + generous benefits Hybrid (1 day/month onsite Midlands HQ) Our client is a respected SaaS company delivering robust, high-volume software platforms used across the UK and increasingly abroad. Their mission is to simplify financial and transactional processes with clean, elegant … engineering. You wont find bloat, bureaucracy, or outdated tech here just small, focused teams solving tough problems at scale. Theyre hiring a senior C# back-end engineer to help lead feature development across some of their most strategically important product areas. Why youll want this job: Youll work on systems that require performance, precision, and resilience powering … voice in architecture, deployment, and technical direction. No micro-management, no pointless layers of approval just meaningful engineering work in a calm, delivery-focused environment. The stack + environment: C# and .NET Core across the back end AWS-based microservices architecture Messaging with RabbitMQ, SNS/SQS PostgreSQL, Cassandra CI/CD pipelines for daily releases Git, code reviews More ❯

Senior C# Developer - Permanent Location: Hybrid (2 days a week in Solihull) Salary: £60,000 - £65,000 Working Arrangement: Permanent, Full-time About the Role: We're on the lookout for a Senior C# Developer to join a forward-thinking technology team working on a suite of greenfield projects. This … This is more than just a coding role - you'll have real input into architecture, design, and best practices. Key Responsibilities: Design, develop, and deploy new software solutions using C# and .NET Core Build modern, responsive web apps using Blazor Work with Entity Framework and SQL to manage data operations Collaborate across teams on greenfield product development Provide mentorship … and technical guidance to junior developers Contribute to architectural decisions and technology strategy Skills & Experience Required: Strong experience in C#/.NET Core development Solid understanding of Blazor for modern front-end development Proven experience with Entity Framework and SQL Ability to work independently and collaboratively in a hybrid setup Passion for clean code, performance, and scalable software design More ❯

Senior C# Developer - Permanent 📍 Location: Hybrid (2 days a week in Solihull) 💰 Salary: £60,000 - £65,000 🕒 Working Arrangement: Permanent, Full-time About the Role: We're on the lookout for a Senior C# Developer to join a forward-thinking technology team working on a suite of greenfield projects. This … This is more than just a coding role - you'll have real input into architecture, design, and best practices. Key Responsibilities: Design, develop, and deploy new software solutions using C# and .NET Core Build modern, responsive web apps using Blazor Work with Entity Framework and SQL to manage data operations Collaborate across teams on greenfield product development Provide mentorship … and technical guidance to junior developers Contribute to architectural decisions and technology strategy Skills & Experience Required: ✅ Strong experience in C#/.NET Core development ✅ Solid understanding of Blazor for modern front-end development ✅ Proven experience with Entity Framework and SQL ✅ Ability to work independently and collaboratively in a hybrid setup ✅ Passion for clean code, performance, and scalable software design More ❯

Senior C# Developer - Permanent ?? Location: Hybrid (2 days a week in Solihull) ?? Salary: £60,000 - £65,000 ?? Working Arrangement: Permanent, Full-time About the Role: We're on the lookout for a Senior C# Developer to join a forward-thinking technology team working on a suite of greenfield projects. This … This is more than just a coding role - you'll have real input into architecture, design, and best practices. Key Responsibilities: Design, develop, and deploy new software solutions using C# and .NET Core Build modern, responsive web apps using Blazor Work with Entity Framework and SQL to manage data operations Collaborate across teams on greenfield product development Provide mentorship … and technical guidance to junior developers Contribute to architectural decisions and technology strategy Skills & Experience Required: ? Strong experience in C#/.NET Core development ? Solid understanding of Blazor for modern front-end development ? Proven experience with Entity Framework and SQL ? Ability to work independently and collaboratively in a hybrid setup ? Passion for clean code, performance, and scalable software design More ❯

Senior Developer - Backend C# Remote initially then hybrid – Horsham (3 Days Office/2 Remote) Profectus Recruitment is proud to be working exclusively with a leading technology client as they continue to scale their in-house engineering function. We are currently seeking a highly capable Senior Back-End Developer with a … strong foundation in C# and deep experience in database-driven development. This is a fantastic opportunity to join a fast-moving, product-led environment, where technology underpins everything the business delivers. The successful candidate will play a key role in the ongoing development and optimisation of core system that is very much a back-end focused role and is … not aimed at those looking to become full-stack. What we're looking for: Strong C# experience – essential Ideally some C++ or Java experience a bonus. Excellent SQL/database skills – preferably MS SQL Server Some exposure to web development, ideally using React Strong understanding of software architecture, APIs, and data integration Experience mentoring or guiding others is welcome More ❯