26 to 50 of 55 C# Software Engineer Jobs in the UK

Senior Software Engineer C# - Near Edinburgh Hybrid Lorien's long-standing, successful (and growing) client, with offices very commutable from Central Edinburgh, West Lothian, Fife and the surrounding, is looking to recruit a Senior Software Engineer with proven C#/.Net skills to join its core R&D team. You … Operations staff, Managers and more. Role Outline Design new scalable, maintainable software using object-oriented methods, making sure agreed requirements are met Produce clean, testable code in C#/.Net, integrated via automated pipelines for internal and user-facing software offerings Contribute to the analysis and definition of technical requirements for new and evolving software … to working practices, tools, or technical approaches What you'll bring to the table Strong background in software development using object-oriented principles with the likes of C# .NET, and SQL Server (and ideally some MongoDB, though this isn't a necessity) Proven Testing skills (Automated, Unit) Familiar with Agile/Waterfall methodologies and automated build/ More ❯

month contract Software Engineer role developing C# Windows applications that interface with hardware. This role is inside IR35 and requires on-site work 3 days per week. C# Software Engineer skills required - Good analytical skills and experience of code and design review for large projects. Experience of multi-threaded and … distributed applications, preferably with an understanding network of protocols. Strong Experience in developing Windows desktop applications in C# .NET environment, Windows Forms, TCP/IP & UDP protocols Please apply or call for more information. More ❯

month contract Software Engineer role developing C# Windows applications that interface with hardware. This role is inside IR35 and requires on-site work 3 days per week. C# Software Engineer skills required - Good analytical skills and experience of code and design review for large projects. Experience of multi-threaded and … distributed applications, preferably with an understanding network of protocols. Strong Experience in developing Windows desktop applications in C# .NET environment, Windows Forms, TCP/IP & UDP protocols Please apply or call for more information. More ❯

C# Software DevelopersWork on Next-Gen Defence Simulations£60K + Bonus 2 - 3 days on site, StevenageA fantastic opportunity for a C# Developer with a passion for defence and cutting-edge simulation technology to join a leading Defence organisation. You'll be helping to shape the next generation of weapon system simulations.Due to the nature of … together to create realistic and reliable simulation environments that help deliver safer, smarter, and more effective systems.In this varied role you could be: Developing high-performance software (C#/C++) for real-time simulation systems Integrating software and hardware components to simulate complex weapon systems Using agile Scrum methodologies to deliver capability in rapid, iterative … cycles Supporting visualisation, experimentation, and training activities for advanced defence solutions To secure the role, you will have a proven track record of: C# and/or C++ Real-Time Software Configuration control Continuous Integration and Continuous Delivery or Deployment Unit testing and test driven development Agile development Experience in defence, aerospace, or simulation environments would be 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 ❯

Senior Software Engineer (C++/Core Java) Who We Are: We are a fast growing business and technology consultant company co-founded in 2019. We offer a custom-tailored, white-glove engineering service fit for our clients, because a digital transformation is more than just technology. With a successful track record of being a preferred vendor … leading companies, our global talent has helped many clients achieve their goals. The 3 G's of RE: "Get Shit Done." "Get Over Shit." "Give a Shit." Senior Software Engineer (C++/Core Java) We are seeking a Senior Software Engineer to play a key role in the modernization of a large More ❯

Senior) Software Engineer C# & .NET d/f/m Location(s): Swindon, Wiltshire, GB, SN5 6PB; London, City of London, GB, EC2R 8HP; Essen, NW, DE, 45141 RWE Supply & Trading GmbH Position type: Full-time/Part-time, Permanent, starting as soon as possible Functional area: IT/Digital Remuneration: Tariff/Non-tariff … data management within our organization, supporting trading, analysis, and support functions. Data is a vital asset, and its importance will continue to grow. You will leverage your expertise in C# and .NET to develop robust data services within the Mix system, focusing on security and technological resilience. Experience with AWS environments is highly desirable. If you find this opportunity … appealing, please apply now! Your future responsibilities Design and develop scalable backend services and APIs using C# and .NET 8 Implement data extraction and transformation logic within .NET frameworks Utilize Python for data processing, automation, and application logic as needed Enhance and maintain the Market Data API, collaborating with business teams on new requirements Build automated workflows and tools More ❯

Senior) Software Engineer C# & .NET d/f/m London, City of London, GB, EC2R 8HP RWE Supply & Trading GmbH To start as soon as possible, full time/part time, permanent Functional area: IT/Digital Remuneration: tariff/non-tariff Department Insights It's an exciting time to join us! RWE Supply … 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 … with strong skills in working with AWS environments. If this sounds appealing, then apply now! Your future responsibilities Design and develop scalable back-end services and APIs using both C# and .NET 8 Implement extraction and transformation logic within .NET environments. Utilize Python for data processing, automation, and specific application logic as needed. Work directly on the Market Data More ❯

C# Software Engineer Location: Stevenage or Bristol, Full time on site initial 3 month period, then hybrid working Duration: 12 Months initial SC Clearance Required Rate: £65 ph Umbrella Overview of department: WSSE are integral in the development of weapon systems and system architectures, and as a result have developed a capability supporting developments across … emulators. Working with Project Leads and Simulation Architects to design and develop simulation components as an end to end representation of a weapon System in a synthetic environment using C#, C++ and integration simulations, supporting a number of industry standards. You will work as part of a heterogeneous agile development team, made up of mixed discipline engineers working in … to software development includes: o Configuration control o Continuous Integration o Continuous Delivery or Deployment. o Unit testing and test driven development. Key Skillset Essential: Proficient in C#/C++ Microsoft Visual Studio, Eclipse, Ability to work from high level/system view into technical detail. Excellent verbal, presentation and written communication skills Knowledge of using Microsoft More ❯

Principal Software Engineer -C#/.Net,React Introduction: Are you searching for an opportunity to play a key role in driving the dramatic growth of a highly successful software company? At Poppulo, we're working on what's next in communications and workplace technology. As a pioneer in this industry, we understand that … Experience or enthusiasm for AI technologies, especially Large Language Models (LLMs), generative AI, or agentic coding tools, is strongly preferred. Key Responsibilities: Drive the migration and modernization of existing C#/.NET-based integration services to a contemporary web stack (TypeScript, NodeJS, React). Develop, maintain, and enhance scalable integrations and APIs to facilitate seamless third-party data exchange. … in integration and data transformation. Proven ability in migrating legacy systems to modern technology stacks. Practical experience or strong enthusiasm for AI and generative technologies. Strong experience with both C#/.NET and modern web technologies (TypeScript, NodeJS, React). Proficiency in relational databases (MS SQL) and data integration methodologies. Experience developing APIs and working with diverse third-party More ❯

Software Engineer C++ C# On-site, Corsham (SN13) Salary DOE 25 days annual leave Buy or sell up to 5 days annual leave Two pension schemes to choose from Private Medical & Dental Insurance+ discounts for additional family members Life Assurance scheme up to 4 x salary Multiple Save schemes Electric/Hybrid Car leasing scheme … development and test cycle that maintains high customer confidence in both the software and the team maintaining it. The successful candidate will be a confident C++/C# practitioner, with a background in physics, mathematics or engineering, with the ability to work effectively with a demanding customer.The role is based in-office in Wiltshire but may involve … logic, data structures) along with strong software design skills, including OO, and knowledge of version control systems such as Git 2+ years experience in either C++ or C# development Object Oriented Design, and implementation of engineering algorithms Requirements &Configurationmanagement Knowledge of Visual Studio &MS Office Products Nice to haves Knowledge of the Red Hat Linux or other More ❯

C# Software Engineer with synthetic environment experience required for long term contract assignment based in Stevenage. killset/experience required: Proficient in C#/C++ Microsoft Visual Studio, Eclipse, Ability to work from high level/system view into technical detail. Excellent verbal, presentation and written communication skills Knowledge of using Microsoft Windows and More ❯

C# Software Engineer - Open to any OO- Leading Discretionary Trading Fund This leading UK-based discretionary trading fund, boasting AUM of over $16 billion, is looking for a highly skilled C# developer to join their technology team. This team works directly with the researchers and quantitative professionals to solve the toughest of technical challenges … as they are encouraged to take ownership of technical projects, such as delivering massively scalable, high-performance computer operations which the whole firm will use. Although this is a C# role, candidates will be interviewed in their preferred language. Requirements: Minimum 2:1 degree in Computer Science or a related field Excellent programming skills, with an in-depth understanding … of C# desirable Experience with SQL databases Ability to own all aspects of development projects from start to finish Strong problem-solving ability and a desire to solve business problems Tech Stack: C# 9.0, .Net, SQL, React Contact If you're interested in C# roles, please get in touch! Henry Breeze henry.breeze@oxfordknight.co.uk linkedin.com/in/ More ❯

Endeavour Recruitment has an exciting opportunity for a skilled C# Software Engineer with WPF and MVC/MVVM experience to join our client. Our client has a site in Bristol and Sutton in Surrey, so either location is fine for a Hybrid worker, and they would also consider fully remote for the right person. Our … client provides award-winning products, solutions, and services powering enterprise software for hundreds of clients across four continents and fourteen countries. They have a world-class component content management platform as well as creating the documentation, online help, visual media, training materials, and other types of content required to compete at the highest level. The role: To develop … improve the development process. Learn new technologies and keep abreast of existing technologies. Work with QA and operations teams to identify and resolve customer issues. Skills: Developing applications with C#/.NET web and back-end functionality using Microsoft Visual Studio. Developing solutions with the Windows Presentation Foundation (WPF) framework for desktop applications. .NET, WPF, PRISM, Unit Testing, Async More ❯

Endeavour Recruitment has an exciting opportunity for a skilled C# Software Engineer with WPF and MVC/MVVM experience to join our client. Our client has a site in Bristol and Sutton in Surrey, so either location is fine for a Hybrid worker, and they would also consider fully remote for the right person. Our … client provides award-winning products, solutions, and services powering enterprise software for hundreds of clients across four continents and fourteen countries. They have a world-class component content management platform as well as creating the documentation, online help, visual media, training materials, and other types of content required to compete at the highest level. The role: To develop … improve the development process. Learn new technologies and keep abreast of existing technologies. Work with QA and operations teams to identify and resolve customer issues. Skills: Developing applications with C#/.NET web and back-end functionality using Microsoft Visual Studio. Developing solutions with the Windows Presentation Foundation (WPF) framework for desktop applications. .NET, WPF, PRISM, Unit Testing, Async More ❯

Stevenage We have an exciting opportunity for a proactive and passionate C# software developer to join our Weapons System Simulation and Experimentation (WSSE) team! Salary : Up to £60,000, depending on experience Dynamic (hybrid) working : 2- 3 days per week on-site due to workload classification Security Clearance : British Citizen Restrictions and/or limitations relating to … to end representation of the weapon system through: Visualisation and demonstrations Experimentation Design and development Verification and Validation Training Systems. Development (using agile scrum methodologies) of real-time software components to simulate weapon systems, including the Integration of hardware to provide true representations of our systems. What we … re looking for from you: We are looking for passionate software developers. The successful candidates will be able to demonstrate exposure to practical software engineering, C#/C++ software development. You will be able to demonstrate your experience/knowledge in some of the following areas: Real-Time Software Configuration control More ❯

already in place, led by seasoned industry veterans. Now with the launch of the platform and the launch of our clients, we are looking for an experienced Senior Software Engineer in our business. If you're willing to get stuck in, you'll love it here too. So put yourself at the heart of a dynamic … you'll be a hands-on contributor to a product that's making real-world impact at pace and scale. You bring deep experience across the stack, with strong C# skills, a solid understanding of both relational and NoSQL databases, and a test-driven mindset. You're confident making architectural decisions, identifying technical debt, and finding smart, pragmatic solutions. … culture of learning and continuous improvement by engaging with internal communities and staying up to date with modern engineering practices About you S olid commercial experience with .NET and C#, and are confident writing clean, maintainable backend code Proven experience working with both relational databases (ideally PostgreSQL) and NoSQL technologies H ands-on experience developing APIs , ideally with experience More ❯

We have an exciting opportunity for a skilled C#, C++Software Engineer to join our Engineering client based in Manchester. This is an exciting project joining the team working on a new product, which is a world first. You will need C# and C++ software experience and Engineering, or rail industry experience would be nice … to have, but not essential. Duties and Responsibilities Undertake the conceptual development of the software and promote ideas within the bounds of the specification. Develop software in accordance with the agreed framework and modules of the requirement. Document all stages of development using appropriate tools to ensure that the software can be reviewed and … required is essential, due to the broad nature of the training and simulation field. Ability to work both independently and as part of a team. 5+ years experience with C# and C++ is essential. Experience with Windows PCs. An understanding of rail signalling principles would be desirable. An appreciation of general engineering principles and practices would be advantageous. Honours More ❯

the launch of the platform and the launch of our clients, ATD (American Tires Distributors) in North America and ATU in EMEA, we are looking for an experienced Software Engineer in our business. If you're willing to get stuck in, you'll love it here too. So put yourself at the heart of a dynamic … code, building scalable APIs, and delivering high-quality features that make a real impact for our global clients. You're confident working across the stack, with solid experience in C#, relational and NoSQL databases, and test-driven development. With a proactive mindset and a passion for problem-solving, you don't just complete tickets, you challenge assumptions, contribute to … a culture of learning and continuous improvement by engaging with internal communities and staying up to date with modern engineering practices About you Solid commercial experience with .NET and C#, and are confident writing clean, maintainable backend code Proven experience working with both relational databases (ideally PostgreSQL) and NoSQL technologies Hands-on experience developing APIs, ideally with experience of More ❯

We're looking for a Software Engineer to join the team working on Camo ( ). Camo helps you easily get great video for meeting, streaming, or recording, and it's available on Windows, Mac, iOS, Android, with more platforms in the pipeline. Camo was nominated for an Apple Design Award in 2023 and featured in Microsoft … working at a values-led, remote, indie business. Here's Aidan the CEO & founder talking about the role. You will: Build and enhance robust, accessible functionality in our native C# desktop apps Build new and delightful experiences for our users Help evolve our tooling, architecture and development practices Contribute to the product & design vision across the company We will … small, focused team of individual contributors, and like taking ownership of projects from initial planning to release. Wish there were more apps that felt 'just right'. Have strong C# and WPF skills, with familiarity working with a great stack: git, Nunit, Azure, etc. Have the ability and desire to learn, develop, and share new ideas, and implement those More ❯

Are you a talented Flight Simulation Software Engineer with a passion for cutting-edge technology? Do you want to work on projects that push the boundaries of aerospace innovation? Look no further! At our aerospace business in Greater London, we're developing world-class flight simulators that are shaping the future of aviation training. Join our … on the design, development, and integration of flight simulators used by top-tier aerospace organizations. • Collaborative Environment: Engage with cross-functional teams of experts in systems, hardware, and software engineering. • Innovative Technology: Build next-gen simulation solutions, including control systems, user interfaces, and avionics hardware. • Develop real-time software for flight simulators, from control systems to …/aerospace industry. Desirable Skills and Competencies Experience of safety critical systems and software in aerospace, automotive or a related industry Web technologies including Javascript, HTML, etc C# & C++ programming Windows application development using Visual Studio Knowledge of ARINC, AFDX and/or CAN bus protocols Atlassian toolset (Jira, Jira Service Desk, Confluence, Bitbucket, Bamboo More ❯

Full-Stack C# Developer Sports Analytics & Trading | London (5 days in Office) Up to £130k+ Are you a C#/.NET developer who thrives in fast-paced, high-intellect environments? I'm hiring for a tight-knit, high-performing software team working at the intersection of sports analytics , automated trading , and modern software development … Central London - expect autonomy, ownership, and flexibility Greenfield projects - make architectural decisions and ship fast No prior trading or sports market experience required - just strong engineering skills Tech Stack C#/.NET (Latest versions) SQL Server , plus experience with Oracle or equivalent Bonus: exposure to JavaScript/React , multi-threading , or network programming (TCP/UDP) What You'll … scalable, performant code in a flat, agile structure Engage with real-time systems and data-heavy platforms (where accuracy is everything) What We're Looking For Solid experience with C# and the .NET platform Good grounding in SQL and relational database design Strong attention to detail and code quality Excellent written and verbal communication A scientific, curious mindset - and More ❯

Software Developer Location: London - Hybrid Contract OR Permanent Salary/Rate DOE 2 to 3 days a week onsite in London We are currently searching for multiple Software Engineers … for a leading Energy client to support the expansion of thier trading technology. This will be heavily involved with the build out of their ETRM capabilities. Experience needed in C# .Net Java Develop and customize Endur Integrate Endur with other systems (market data, risk engines, etc.) Commodities Troubleshoot and support live environments Devops, python scripting tools etc Please apply More ❯

Join a team where your ideas matter, your code makes a difference, and your growth is a priority. We’re not just building software we’re shaping the future of our industry. Working in a close knit team of 5 software engineers, we’re on a mission to become more data-centric and innovative in everything … we do. We’re looking for a Software Developer who’s passionate about coding, thrives in a collaborative environment, and wants to help shape the direction of our products. What You’ll Be Working On You’ll join a friendly, supportive software team where everyone helps each other succeed. You’ll work on a range of … collaborative, kind, and always willing to help. Modern tech stack: .NET, Azure, Angular, DevOps, Scrum. Exciting roadmap: bespoke customer projects to get involved in Tech Stack & Tools Languages & Frameworks: C#, .NET, Angular Cloud: Azure DevOps: Azure DevOps Methodology: Scrum (well adopted) Testing: UAT with product owners (we’re honest—this is an area we’re looking to strengthen) Perks More ❯

growing organically with a jam-packed roadmap to add enhanced functionality to their product. You’ll be involved in the functional design and requirements analysis phases of the software development life cycle, build new features across various parts of the product, improve their overall client experience through superb delivery standards, incorporate best practice into the team's day More ❯