1 to 25 of 29 Permanent Senior C# Software Engineer Jobs in England

Social network you want to login/join with: Senior .Net C# Software Engineer - Global Energy Co, London Client: Eaglecliff Recruitment Location: London, United Kingdom Job Category: Other - EU work permit required: Yes Job Views: 2 Posted: 27.06.2025 Expiry Date: 11.08.2025 Job Description: Exciting opportunity for a Senior .Net C# Software Engineer to join this global Energy company. This is an exciting time to join this world-leading Energy company as it evolves from a traditional Oil & Gas enterprise into a future-focused Energy leader. This transformation includes the establishment of a highly successful new Power Trading desk within the Energy Trading team and ventures … Requirements – Essentials 8+ years of hands-on software development experience, spanning front-end, back-end, and cloud automation/orchestration. Strong proficiency in back-end development using C# and .NET Core 5/6. CI/CD pipeline experience, using GitHub Actions or Azure DevOps. Database development skills in SQL, NoSQL, and cloud-native data stores. Front More ❯

Exciting opportunity for a Senior .Net C# Software Engineer to join this global Energy company. This is an exciting time to join this world-leading Energy company as it evolves from a traditional Oil & Gas enterprise into a future-focused Energy leader. This transformation includes the establishment of a highly successful new Power … Requirements – Essentials • 8+ years of hands-on software development experience, spanning front-end, back-end, and cloud automation/orchestration. • Strong proficiency in back-end development using C# and .NET Core 5/6. • Cloud-native development expertise on Microsoft Azure, including serverless containers (Kubernetes/Docker). • CI/CD pipeline experience, using GitHub Actions or More ❯

Exciting opportunity for a Senior .Net C# Software Engineer to join this global Energy company. This is an exciting time to join this world-leading Energy company as it evolves from a traditional Oil & Gas enterprise into a future-focused Energy leader. This transformation includes the establishment of a highly successful new Power … Requirements – Essentials • 8+ years of hands-on software development experience, spanning front-end, back-end, and cloud automation/orchestration. • Strong proficiency in back-end development using C# and .NET Core 5/6. • Cloud-native development expertise on Microsoft Azure, including serverless containers (Kubernetes/Docker). • CI/CD pipeline experience, using GitHub Actions or More ❯

Senior) Software Engineer C# & .NET d/f/m Join to apply for the (Senior) Software Engineer C# & .NET d/f/m role at RWE (Senior) Software Engineer C# & .NET d/f/m … week ago Be among the first 25 applicants Join to apply for the (Senior) Software Engineer C# & .NET d/f/m role at RWE RWE Supply & Trading GmbH To start as soon as possible, full time/part time, permanent RWE Supply & Trading GmbH To start as soon as possible, full … trading and analysis communities as well as support functions and will become an ever increasing asset across the group in the future. You will work apply your expertise in C# and .Net to build robust data services within the Mix system and help us future proof our architecture from a security and technological perspective . This role is perfect More ❯

Title: Senior Software Engineer (C#) Department: Procode IT Location: Commutable distance of Chandlers Ford Salary: Circa £56,238 + 15% discretionary bonus scheme Are you an experienced Software Engineer with a strong track record in C#, .NET core & ASP.NET core? Do you enjoy guiding, mentoring and supporting others … you have the drive to want to deliver great solutions for customers? Then we have an exciting opportunity as a Senior Software Engineer (C#), where we aim to provide you with a uniquely inclusive and diverse workplace, which showcases the extraordinary in all of us, by enabling you to be the best you … within Procode. You will also be supporting the ongoing development of other software engineers within the team. Who are we looking for? Your in-depth knowledge of C#, .NET core & ASP.NET core, will enable you to swiftly become a productive member of the team. Your experience working in an agile environment will allow you to integrate seamlessly More ❯

Senior) Software Engineer C# & .NET d/f/m Location(s): Swindon, Wiltshire, GB, SN5 6PB; Essen, NW, DE, 45141; London, City of London, GB, EC2R 8HP Company: RWE Supply & Trading GmbH Start Date: As soon as possible, full time/part time, permanent Functional area: IT/Digital Remuneration: tariff/… within our organization. Data is central to our trading and analysis activities and will continue to be a vital asset across the group. You will apply your expertise in C# and .NET to develop robust data services within the Mix system and help future-proof our architecture from security and technological perspectives. Experience with AWS environments is highly desirable. … If this sounds appealing, then apply now! Your future responsibilities Design and develop scalable back-end services and APIs using C# and .NET 8 Implement data extraction and transformation logic within .NET environments Utilize Python for data processing, automation, and application logic as needed Enhance and maintain the Market Data API and liaise with business teams for new requirements More ❯

Senior Software Engineer| C# | ASP .NET MVC | Fintech | FX Payments | London | Hybrid | Up to £95,000 + Package Senior Software Engineer| C# | ASP .NET MVC | Fintech | FX Payments | London | Hybrid | Up to £95,000 + Package 3 days ago Be among the first 25 applicants Senior Software Engineer | FinTech | C# .NET MVC | SQL | Front End | London, Hybrid | up to £95,000 + Benefits An experienced Senior Software Engineer is needed to join our FinTech Client who is breaking new ground within the Financial Services space, as the world becomes an even more mobile … everything they do. They are not just another SAAS provider - they are the driving force behind some of the most successful financial firms in the world. As the Senior Software Engineer, you will be part of a cross-functional team of Developers, working with Designers, Analysts, and Software Testers, in creating, maintaining More ❯

C# Senior Software Engineer 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 … 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 More ❯

C# Senior Software Engineer 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 … 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 More ❯

C# Senior Software Engineer 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 … 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 More ❯

Senior Software Engineer, C++, C#, .NET, SDK, Hybrid, COR7267 An exciting opportunity has arisen for a Senior Software Engineer to join my client, a global leader in the scientific manufacturing and distribution sector based in Cambridgeshire. This role focuses on the ongoing development of a newly released … electronics and embedded systems teams to deliver new features and improvements. The ideal candidate will have a strong software engineering background with hands-on experience in C++, C#, and .NET technologies. Experience in full software lifecycle development and object-oriented programming is essential, as is the ability to contribute to design, implementation, and testing in … Private healthcare and dental • Income protection • Local discounts • Hybrid working available What's Required of the Senior Software Engineer? • Proven experience with C++, C#, and .NET, particularly with Visual Studio and WPF (MVVM) • Experience developing software for hardware control systems or similar environments • Ideally experience with cross-platform development (Windows, Linux More ❯

Job Description: Senior Tools Programmer at Cloud Imperium Games We are a crowdfunded company with a dedicated and enthusiastic community of backers, committed to creating the "Best Damn Space Sim Ever". We value exceptional and diverse talent. The Senior Tools Programmer (based in Manchester) will take full ownership of existing tools and develop new solutions … Lead and Producer. Provide accurate estimates and support the Tools Team on all projects. Continuously improve user experience, capabilities, and performance. Mentor junior team members. Qualifications: Proven experience in C#, WPF or Blazor, and SQL in a commercial environment. Passion for creating user-friendly tools. Ability to work well in a team and handle large or legacy codebases. Experience More ❯

Senior Software engineer - C#/WPF - Perm opportunity - Southampton Country: United Kingdom Location: Southampton Sector: Software Developer Job Type: Permanent Technologies: C# WPF Net Framework MS SQL server CLR Implementation Design Senior Software engineer - C#/WPF - Perm opportunity - Southampton Exciting opportunity to … join a Financial Technology company based in Southampton This role is for a dynamic and driven C#, WPF developer to bring knowledge and experience to assist our client expand and build their portfolio of products. Duties : Translate application storyboards and use cases into functional applications. Design, build, and maintain efficient, reusable, and reliable C# code. Ensure the best … performance, quality, and responsiveness of applications. Identify bottlenecks and bugs, and devise solutions to these problem. Help maintain code quality, organization, and automatization. Knowledge, skills and experience: Proficient in C#, with a good knowledge of its ecosystems. Proficient in WPF, with a good knowledge of its design methodologies. Familiarity with the .NET framework. Strong understanding of object-oriented programming. More ❯

Senior Software Engineer C# .Net - relocate to Newcastle! This range is provided by Client Server. 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 Client Server Senior Software Engineer/Developer (C# .Net) *Newcastle onsite* to £130k+ Are you a Senior Software Engineer looking to escape the hustle and bustle of London and relocate to somewhere with stunning scenery and a better quality of life (there's also great restaurants and bars!)? You could be joining a rapidly scaling FinTech … Software Engineer, you will collaborate with a small, talented team to deliver the core trading platform within a Microsoft environment, using the latest versions of C# .Net to produce high-quality code. The company has ambitious growth plans, and this is a great opportunity to be involved from the ground up and advance your career. More ❯

Job Description: C# Software Engineer (Senior/Principal) The Opportunity Are you a Software Engineer with C# experience looking for your next challenge? Here at Leonardo, we are on the hunt for talented software engineers to support our Integrated Sensors & Protection line of business, working on … a range of defence projects. Direct industry experience is not required; we are happy to explore all backgrounds and help develop our software engineers. What you will do: We want to develop a new generation of features and capabilities using innovative software solutions. You will be a key part of a community … of world-class software engineers who will continuously improve, collaborate, and innovate to create market-leading products within the defence industry. What we are looking for: Essential C# software development Machine-to-machine networking, working to third-party interface definitions Test frameworks and test development (not test-driven development) Microservices architecture/containerisation (development of More ❯

C# Software Engineer (Senior/Principal) Apply Locations: GB - Basildon Time Type: Full time Posted on: Posted Yesterday Job Requisition ID: R Job Description: The Opportunity Are you a Software Engineer with C# experience looking for your next challenge? Here at Leonardo, we are on the hunt for … talented software engineers to support our Integrated Sensors & Protection line of business, working on a range of defence projects. Direct industry experience is not required; we are happy to explore all backgrounds and help develop all our software engineers. What you will do: You will be a key part in a community of world-class … software engineers who will continuously improve, collaborate and innovate with other engineers to create market-leading products within the defence industry. What we are looking for: Essential: C# software development Machine-to-machine networking, working to third-party interface definitions Test frameworks and test development (not test-driven development) Microservices architecture/containerisation CUDA integration More ❯

Job Description Full Stack C#/Angular Developer - London (3 days a week) - £90-95K + Bonus & Benefits Senior Full Stack Developer with C#, .NET, and Angular is required to join a small, talented, and dynamic team in London (3 days a week onsite) playing a key role in a major tech modernisation project. This … well-established hedge fund, with a 30-year track record of success, is looking for an experienced Full Stack Engineer to help migrate legacy C# applications to Angular and contribute to the development of cutting-edge financial systems. You'll work in a collaborative environment, leveraging your skills in . NET, C#, Angular, SQL Server, and … of the team have been there for 5+ years! Apply now to join this forward-thinking development team and take your Full Stack Development skills to the next level! C#, Angular, Full Stack, London, ASP.NET, SQL Server, RabbitMQ. Financial experience not required. Must have the right to work in the UK. #J-18808-Ljbffr More ❯

Senior Software Engineer/Developer (C# .Net) *Newcastle onsite* to £130k+ Are you a Senior Software Engineer looking for an opportunity to progress your career, working on complex and interesting systems in an impactful role You could be joining a FinTech start-up as a founding member … Software Engineer 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 produce high quality code. The company has ambitious growth plans, this is a great opportunity to be involved from the ground up and progress your career. Location … Group 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 More ❯

of exciting projects, including playing a key role in the launch of a brand-new mobile app scheduled for September 2025. The successful candidate will bring deep expertise in C# development, cloud infrastructure, and AI technologies, contributing to the business' ongoing digital evolution. Main Purpose of the Role:Lead backend development and play a key role in the mobile … multiple projects simultaneously within a fast-paced FinTech environment. What They Are Looking For:7+ years of senior-level software development experience.Deep commercial experience with C# development.Strong knowledge of AWS cloud services and infrastructure.Proven experience with CI/CD pipeline development and deployment automation.Experience contributing to mobile app development projects.Keen interest and practical experience in … directly contribute to the delivery of a major FinTech mobile app launch. Apply today to be considered for this fantastic Senior Software Engineer (C#) opportunity. Interviews are taking place shortly! Keywords: Senior Software Engineer, C#, AWS, AI, Artificial Intelligence, CI/CD, Cloud Infrastructure, Mobile App More ❯

Job Description I am supporting a leading global FinTech based in London with their search for a Senior Software Engineer . You'll join one of their core engineering squads and work on a key platform used by their global customer base. This role involves working on a greenfield project, providing an opportunity to … make significant decisions and influence the project's direction and future developments. The ideal candidate is a passionate Engineer who can drive the product forward and effectively communicate with various stakeholders within the company. You will need to be a GREAT COMMUNICATOR and collaborate with a team of Engineers. A … strong passion for software development and engineering is essential. Required technical skills include: React.js - 6+ years (solid understanding of fundamentals & up-to-date with latest tools) TypeScript C# .Net Node.js Azure Additional qualities needed: Good Communication skills Stakeholder Management Fintech/Finance experience is a plus The company has an excellent office in Central London, with a More ❯

Based in offices in central Cambridge (with hybrid work options available - 3 days a week in the office), this company develops software used for scientific engineering applications. Their software products … have been best-in-class for several years, and they progressively look forward to maintaining that position through new features and accessibility. Their software is based on C# with the use of TypeScript/JavaScript for web-based applications. For this role, they are looking to recruit an experienced C# software engineer … engineering practices and ensure high level of software maintainability. Requirements: 1st/2.1 in Computer Science or similar, and significant professional software experience using C# and .NET framework for Enterprise software products. Good communication skills - collaboration within the team is important. Demonstrable experience working on complex and large code bases. Additional experience More ❯

Are you a Software Engineer with C# experience looking for your next challenge? Here at Leonardo, we are on the hunt for talented software engineers to support our Integrated Sensors & Protection line of business, working on a range of defence projects. Direct industry experience is not required; we are happy to explore all … backgrounds and help develop our software engineers. What you will do: We want to develop a new generation of features and capabilities using innovative software solutions. You will be a key part of a community of world-class software engineers who will continuously improve, collaborate, and innovate to create market-leading products within the … to have Experience with military domains, e.g., automation (sentry mode) Knowledge of industrial protocols (e.g., Synergia) Experience with radar systems Experience with Luciad Experience with CUAS/Tracking software, including data fusion, thermal/IR imaging, AI/ML exploitation What you will get: Flexible working hours and part-time options to support work-life balance Flexible benefits More ❯

days from home/office (whatever you prefer!) About the team that drives our platform We're a PropTech scale-up who have created a revolutionary, cloud-based software platform to bring together agents, landlords and tenants online and process all the paperwork electronically. Our small, self-organising squads build the platforms and tools to help us achieve … Tech we use At Goodlord, we pride ourselves on utilising modern technologies to build scalable, efficient, and reliable systems. Our referencing backend is powered by Azure Functions, written in C#, enabling serverless and event-driven architectures. We use Azure Event Grid for seamless event-based messaging and Cosmos DB for data storage. We also use Terraform for infrastructure configuration … Offer to mentor less experienced developers Continuously develop your skillset via tailored professional development objectives and budget What we need from you: Significant experience building web-based applications using C# Demonstrable skills in domain modelling using Object Oriented techniques and principles Proficient in writing automated tests using frameworks such as NUnit, MSTest, or xUnit Strong knowledge of web application More ❯

days from home/office (whatever you prefer!) About the team that drives our platform We're a PropTech scale-up who have created a revolutionary, cloud-based software platform to bring together agents, landlords and tenants online and process all the paperwork electronically. Our small, self-organising squads build the platforms and tools to help us achieve … Tech we use At Goodlord, we pride ourselves on utilising modern technologies to build scalable, efficient, and reliable systems. Our referencing backend is powered by Azure Functions, written in C#, enabling serverless and event-driven architectures. We use Azure Event Grid for seamless event-based messaging and Cosmos DB for data storage. We also use Terraform for infrastructure configuration … Offer to mentor less experienced developers Continuously develop your skillset via tailored professional development objectives and budget What we need from you: Significant experience building web-based applications using C# Demonstrable skills in domain modelling using Object Oriented techniques and principles Proficient in writing automated tests using frameworks such as NUnit, MSTest, or xUnit Strong knowledge of web application More ❯

The Role We are looking for a senior software developer to join our back-end development team working on our core trade execution platform. You will be involved in the design and development of new features for our clients, maintenance and support of existing functionality, and technological improvements to ensure the system is kept up to … releases. Quality is of paramount importance as correct behaviour and stability are key to our client’s business. Responsibilities Design efficient and scalable implementations of new features in C C# in a highly concurrent environment Ensuring high quality and maintainable, unit tested code Expanding and maintaining our core execution platform and our continuous integration and automation frameworks in C … C# Developing new tooling in C++/C#/Powershell Assistance with client reported issues. Skills and Experience Essential: C++ C# Multithreaded code Desirable: C++ 17 and later Microsoft SQL Server Powershell More ❯