1 to 25 of 42 Senior C# Developer Jobs in the UK

C# Senior Developer On behalf of our forward-thinking client based in Manchester, we are recruiting for an exceptional C# Senior Developer. The C# Senior Developer will be responsible for: Work closely with architects, core team, and other pillars to share business and technical knowledge Work closely … UX and implementation Review, update and produce system documentation as required Perform code reviews The Senior Developer will have experience with the following: Experience with C#, asp.net and SQL using a variety of design patterns and software development techniques including domain is driven design, MVC, unit and test-driven development Be keen and excited to … industry with a lot of complexity Can demonstrate commercial awareness and cost/benefit analysis of proposed solutions Benefits This is an excellent opportunity for a Senior C# Developer to join a company thatstrongly believes in the development of its employees and you will be rewarded with a generous benefits package: Healthcare Flexible working How More ❯

C# Senior Developer On behalf of our forward-thinking client based in Manchester, we are recruiting for an exceptional C# Senior Developer. The C# Senior Developer will be responsible for: Work closely with architects, core team, and other pillars to share business and technical knowledge Work closely … UX and implementation Review, update and produce system documentation as required Perform code reviews The Senior Developer will have experience with the following: Experience with C#, asp.net and SQL using a variety of design patterns and software development techniques including domain is driven design, MVC, unit and test-driven development Be keen and excited to … industry with a lot of complexity Can demonstrate commercial awareness and cost/benefit analysis of proposed solutions Benefits This is an excellent opportunity for a Senior C# Developer to join a company thatstrongly believes in the development of its employees and you will be rewarded with a generous benefits package: Healthcare Flexible working How 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 … offices in Sunderland with a range of facilities and perks including free meals at the onsite restaurant as well as membership at onsite gym. About you: You have strong C# .Net Core backend development experience You have experience of building scalable, reliable and secure web applications using modern techniques You have experience of implementing frontend applications You have a 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 … offices in Sunderland with a range of facilities and perks including free meals at the onsite restaurant as well as membership at onsite gym. About you: You have strong C# .Net Core backend development experience You have experience of building scalable, reliable and secure web applications using modern techniques You have experience of implementing frontend applications You have a More ❯

Senior C# Developer/Software Engineer (C# .Net) London onsite to £150k Opportunity to progress your career in a senior, hands-on C# Developer role at a global Asset Manager with c$3 million under management. As a Senior C# Developer within the trading … ll often be collaborating with he strategy team on Greenfield projects which you'll take ownership of and will see the business impact of. There's a focus on C# .Net backend and API development although you'll also have elements of front end work with JavaScript and React.js. Location: You'll be based in plush City office on … a fulltime basis, Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management 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 - Commodities Trading - Outside IR35 Exciting opportunity for an experienced senior developer to build on their experience in Commodities or similar trading development role in this successful Commodities Trading company. £750 - 800 per day Outside IR35 The Senior C# Developer will have significant prior … experience as a Senior Software Engineer/Senior Developer working as C# Developer in a Commodities trading environment where they will have gained knowledge of the full trade life-cycle and feel comfortable speaking directly to traders and senior stakeholders in the business as well as senior technical colleagues such as architects. Central London location, with Hybrid working expected. Very strong core skills in C# are expected Good knowledge of Commodities Trading is also required. Please apply now if your curious to learn more, for a confidential discussion about the role and company Carbon60, Lorien & SRG - The Impellam Group STEM Portfolio are acting as More ❯

Senior Developer/Consultant (C# .Net Core API Cloud) Hatfield/WFH to £80k Are you an experienced Senior Developer/Consultant with strong C# skills? You could be progressing your career with at a growing Software Consultancy/MSP. As a Senior Developer/Consultant … in developing and delivering solutions, working closely with architects to align and evolve software designs and implementations with business strategies and requirements. You'll have a focus on backend C# .Net Core but will have exposure across the full tech stack. Location/WFH: There's a remote first policy however, this client does require onsite presence at the … Hatfield office three times per month. About you: You are an experienced Software Developer/Consultant with strong C# .Net Core skills You have experience with API development, microservices, Cloud based systems (AWS, Azure or GCP) You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures You have excellent communication and More ❯

Fixed Income Senior Analyst Developer C# (VP) City of London Hybrid (3/2 split) 6-months contract £720 per day cer Financial are working alongside an international bank, who are based in the City of London. They are seeking a Fixed Income Senior Analyst Developer C# (VP) to work … with them on a 6-months contract. The responsibilities of the Fixed Income Senior Analyst Developer C# (VP) will include: Responsible for effective and efficient running of the Fixed Income systems, integrated into the wider banks environment to meet the needs of the banks trading desks. Delivering fast-paced agile high quality software changes and … solutions, help running Scrums, Sprints and creating and deploying Releases. Providing guidance and advice on .Net, .Net Core, C#, and other development tools and languages, their usage and upgrades, and leveraging them to maximise the business benefit. Frequent .Net/C# tasks such as delivering new projects, improving and optimising the current setup, providing future-proofing guidance on More ❯

Senior C# .NET Developer - WealthTech - Remote or Hybrid The Opportunity We're delighted to be working with our prestigious WealthTech client who are seeking an exceptional Senior C# .NET Developer to work on their proprietary software within their well established team. Our client delivers cutting-edge software solutions for some … 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 … 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 ❯

Are you an experienced .Net (C#) Developer, looking to take on a Senior Software Engineering role in a growing SaaS product company ? This is a great opportunity to take on a Senior Developer role with a view to progressing into a Lead as the team continues to grow, if of course … above & you'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: Senior Software Developer aka Senior .Net Developer, Senior Full Stack Developer Location: Banbury, Oxfordshire. Hybrid working: 2 or 3 days … a team of 2, developing and maintaining one of our flagship Software products. Our tech stack, below. But, in the main, if you have solid experience in .Net 8+ (C#) at a senior level. You will preferably have experience of Angular, but this is not a necessity, so please get in touch! - C#/ASP.NET (Core 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 ❯

FinTech Hybrid/Remote - Portsmouth Office Award Winning Business Senior C# .NET Developer - WealthTech - Remote or Hybrid The Opportunity We're delighted to be working with our prestigious WealthTech 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 C# Developer - Apache Kafka, Azure, Microservices Up to £460 per day (Outside IR35) Primarily Remote Initially 3 months I am working with an instantly recognisable consultancy who require a C# .Net Developer with hands-on experience with Apache Kafka and Confluent Kafka, and a strong background in cloud-native development using … Docker and Azure.Key Requirements: Proven experience as a C# .Net Developer Strong experience in building and managing Kafka clusters and topics. Recent experience developing Microservice based solutions Strong knowledge of version control systems such as Git and associated CI/CD tooling (ideally with Azure DevOps, Jenkins or similar) Experience working with structured data formats and APIs More ❯

Senior C# React Developer - Nottingham Location: East Midlands Industry: IT Salary: £55,000 - £75,000 per annum + Hybrid, Pension Posted: 16/07/2025 Description We are looking for a Senior Full Stack C# Developer/Senior .NET Core/React Analyst Programmer to join a … global software house based in the East Midlands. The role involves working with AWS, Cloud, Azure, C#/.NET, Microsoft Stack, ASP.NET, MVC, WEB, React, Angular, JavaScript, and CI/CD. Salary: Up to £75K + pension, bonus, flexible start/finish times. The role is hybrid, with 3 days in the office. Responsibilities Develop and maintain modern C# More ❯

Viqu has partnered with a leading organisation seeking a Senior Software Developer with strong full stack expertise in C#, JavaScript, REST APIs, and SQL. As a Senior Software Developer, you’ll build responsive web interfaces and develop robust backend services, delivering scalable, high-performance solutions. You’ll join a fast-paced … and operational requirements. Key Requirements of the Senior Software Developer: Proven commercial experience developing frontend web applications using JavaScript, Bootstrap and CSS Strong knowledge of C# and object-oriented programming principle Experience consuming and working with RESTful APIs and backend services Competence in writing and optimising SQL queries for relational databases Familiarity with Agile software … referral is successful (terms apply). For more exciting roles and opportunities like this, please follow us on LinkedIn @VIQU IT Recruitment Senior Software Developer (C#, .NET, JavaScript) Newport - Hybrid More ❯

Senior C# Developer - Integration Specialist Maidenhead Hybrid £60,000 Global SaaS Platform I'm currently on the lookout for a skilled C#/.NET Developer to lead the charge on third-party integrations across our AI-powered operations platform. From financial systems to telematics and mapping APIs, you'll build secure, scalable … partners with API setup and documentation Expand telematics features like event tracking and reporting Ensure security and GDPR compliance Implement structured logging and monitoring What You'll Bring Strong C#/.NET experience in integration-heavy environments Knowledge of REST, WebAPI, async messaging, and resilient system design Solid grasp of integration security and GDPR Clear communicator with great documentation More ❯

We are looking to recruit an experienced Senior .Net/C# Developer who ideally has also worked with .Net Core. You will also have experience developing Restful Microservices. Experience deploying software in a Public Cloud ( Azure) environment to be deployed as SaaS would be an advantage. My client is a market leader in their field. … service in a Cloud based SaaS environment. This is an opportunity to be involved in what is a key transformation of their solutions as a Senior .Net C# Developer. This is an opportunity to join an organisation with an excellent reputation as an employer who invests in the training and development of their people and will promote … internally whenever possible. We are looking to recruit an experienced Senior .Net/C# Developer who ideally has also worked with .Net Core. You will also have experience developing Restful Microservices. Experience deploying software in a Public Cloud ( Azure) environment to be deployed as SaaS would be an advantage. My client is a market leader More ❯

Senior Full Stack Developer (C#, Angular, AWS) 1 day office based Are you a skilled Senior Full Stack Developer looking for an exciting opportunity to work on innovative projects in a leading software house? Our client is seeking a talented developer with expertise in C#, Angular, and AWS … to join their fully remote team. Responsibilities: Developing and maintaining full-stack applications using C# and Angular. Designing and implementing cloud-based solutions on AWS. Writing clean, scalable, and testable code following best practices. Collaborating with cross-functional teams to deliver high-quality software. Enhancing performance, security, and scalability of applications. Troubleshooting, debugging, and optimising applications. Skills and Experience … Strong commercial experience with C# and Angular. Proficiency in AWS and cloud-based development. Experience with microservices architecture and RESTful APIs. Strong understanding of software engineering best practices. Ability to work independently in a fully remote environment. Excellent problem-solving and communication skills. Benefits 1 day office based/4 days remote Competitive salary and benefits package. Opportunity to More ❯

Senior Developer .Net, C#Norwich HybridSalary - £55-65kCurrently searching for a senior level C# developer for a startup technical business who are moving into new offices in Norwich in the next few weeks. You will be part of a new team of Microsoft stack developers (all levels) who are passionate about … delivering high quality software, in a fast paced environment along with offering great team spirit then this could definitely be the role for you!As one of the senior developers you will offer a strong background in both front and back end development and experience delivering high quality scalable and secure solutions and enjoy mentoring the less experience … and delivery. A track record of delivering projects on time and to a high standard. Team player who enjoys working closely with others to achieve shared goals. Server side: C#, .Net Core, ASP.Net MVC, SQL Client side: HTML, CSS, JavaScript Cloud Platforms CI/CD pipelines and Dev ops Experience working in Agile environments. A passion for innovation If More ❯

C# Senior Software Developer My client is a boutique firm based in Greater Manchester, operating in a regulated sector and offering innovative, tech-driven solutions. With a growing commitment to internal software development, they are seeking a talented Senior Software Developer to join their agile team and help shape the future … key contributor, working on full-stack applications using .NET, Angular, Docker, and AWS. This hands-on role combines technical leadership, product influence, and close collaboration with stakeholders-including senior leadership. What You'll Do: Design, develop, and maintain internal and client-facing applications using .NET and Angular Build new features using modern tools like Docker and AWS ECS … and maintainability in all work Influence architectural decisions and participate in shaping technical direction What You'll Bring: 3-5+ years of commercial software development experience Proficiency in C#, .NET (Core/Framework), Angular, MS SQL, Docker, and AWS ECS Experience with REST APIs, event-driven design, and messaging tools like RabbitMQ Comfortable in small agile teams and More ❯

Job Title : Senior Developer .Net, C# Location: Norwich Hybrid Salary : £55-65k Currently searching for a senior level C# developer for a startup technical business who are moving into new offices in Norwich in the next few weeks. You will be part of a new team of Microsoft stack … delivering high quality software, in a fast paced environment along with offering great team spirit then this could definitely be the role for you! As one of the senior developers you will offer a strong background in both front and back end development and experience delivering high quality scalable and secure solutions and enjoy mentoring the less experience … and delivery. A track record of delivering projects on time and to a high standard. Team player who enjoys working closely with others to achieve shared goals. Server side: C#, .Net Core, ASP.Net MVC, SQL Client side: HTML, CSS, JavaScript Cloud Platforms CI/CD pipelines and Dev ops Experience working in Agile environments. A passion for innovation If 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 ❯

3D Graphics Developer, C# Software Developer, Senior level, Graphics based Software Engineer, 3D Graphics, CAD, Games, Maths, Physics, DotNet, C#, .Net, .Net Core, SQL Server, T-SQL, OpenGL/DirectX - Global Software House - up to 70K Global Software client is looking for Software Developers with a Maths, Physics, 3D or Games background. … Can you show proven C# experience in the development of Graphics, CAD or Mathematical based software? Have you built software to create 3D models? Do you have experience in OpenGL or Direct X, or similar? Games-related programming? We're seeking a Full Stack Developer to join a growing development team. In this squad, you will be … solutions with messaging and notification APIs in a micro-service architecture Solving complex mathematical and geometric problems Developing 3D graphical and CAD applications Required Skills and Experience: Proficiency in C# and ASP.NET Core Experience with cloud-based solutions and micro-service architecture Strong mathematical and geometric problem-solving abilities Knowledge of 3D graphical/CAD application development Understanding of More ❯

Senior Lead C# Software Developer We urgently require a Senior C# Lead Developer with at least 5 to 10 years solid expertise in developing financial systems ideally banking systems. Your experience should include extensive knowledge of developing complex financial systems in C# as Teal Leader. Any experience of SQL More ❯