51 to 75 of 113 Permanent C# Software Engineer Jobs in the UK

Role: Software Engineer - C++ and C# Salary: Up to £64,000 Location: Bolton – 5 days onsite Role Type: Permanent Security Clearance: SC required (British citizen or Dual national with NATO country) Bonus: Up to £2,500 🔍 About the Opportunity Join a dynamic, mission-critical defence software team based in Bolton, delivering high-impact … solutions for advanced defence systems. This role is perfect for a skilled Software Engineer experienced in C++ and C# , with a passion for full software development lifecycle involvement — from development and integration to delivery and support. You’ll be part of a close-knit, growing team contributing directly to national security projects, working … days per week onsite due to workload classification. 🛠️ What You’ll Be Doing Develop, integrate, and deliver high-quality software using C++ and C# within a Windows environment Work within Agile Scrum teams to meet evolving customer requirements Contribute to the full software lifecycle: design, coding, testing, deployment, and support Collaborate with a small team More ❯

Software Engineer - sports analytics/betting Salary: £70k-90k (plus very attractive bonus on top) Location: London or Leeds (Very relaxed regarding hybrid or remote working, if preferred) We are looking to fill 2 roles at both Mid and Senior level. Please only apply if you have an interest in sports analytics/betting. My client … is a data driven sports forecasting business specialising in odds generation, trading & risk management. Purpose of role: Designs and develops high quality software solutions based on business requirements. Finds the best trade of costs and clean software design. Ensures operational readiness of applications. Discusses, understands, and refines business requirements together with business peers. Supports and consults … of releases. Experience and knowledge: Solid technical education with professional experience in the area of software development. Experience with .NET and .NET Core and good knowledge in C# and object oriented software development is preferred. However, we will also look at candidates with experience in similar technologies. Experience in microservices and web APIs, including message More ❯

C# Software Engineer Maximise your chances of a successful application to this job by ensuring your CV and skills are a good match. 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 More ❯

C# Software Engineer | £35,000 to £55,000 | Plus Bonus & BenefitsStevenage OR Bristol | Hybrid | 2-3 Days a Week On-Site Role Overview Our client is seeking a skilled C# Software Engineer to develop real-time software components that simulate complex weapons systems and integrate hardware, delivering accurate … visualisation, demonstrations, verification, validation and training capabilities. Key Responsibilities Develop and maintain real-time software using C# and C++ within an agile scrum environment Integrate hardware components to support realistic system simulations Ensure software quality through verification, validation, continuous integration and test-driven development Candidate Profile Applicants should have practical experience in software engineering with C# and C++, ideally in real-time. Configuration control experience. Comfortable working in an agile environment. Familiarity with continuous integration, continuous delivery and unit testing is essential. Salary and Benefits Competitive salary £35,000 to £55,000 plus bonus up to £2,500 Paid overtime and flexible leave options Relocation assitance available Excellent site facilities More ❯

Software Engineer - C++ and C# ££56,000 - £64,000 GBP Onsite WORKING Location: United Kingdom (North West) Type: Permanent Role: Software Engineer - C++ and C# Salary: Up to £64,000 Location: Bolton - 5 days onsite Role Type: Permanent Security Clearance: SC required (British citizen or Dual national with NATO country … team based in Bolton, delivering high-impact solutions for advanced defence systems. This role is perfect for a skilled Software Engineer experienced in C++ and C# , with a passion for full software development lifecycle involvement - from development and integration to delivery and support. You'll be part of a close-knit, growing team … security projects, working 5 days per week onsite due to workload classification. What You'll Be Doing Develop, integrate, and deliver high-quality software using C++ and C# within a Windows environment Work within Agile Scrum teams to meet evolving customer requirements Contribute to the full software lifecycle: design, coding, testing, deployment, and support Collaborate More ❯

Lead Software Engineer/Developer (C# .Net Azure SaaS) Reigate/WFH to £100k Do you have expertise with C# cloud based development combined with technical/team leadership skills? You could be progressing your career, in a senior, hands-on leadership role working on complex and technically challenging systems with continual learning opportunities … colleagues in the Reigate office twice a week for team meet-ups and stakeholder meetings with the other three days work from home. About you: You have expertise with C# .Net Core backend software development, having worked on large, scalable systems with complexity You have a strong knowledge of Azure, SaaS, PaaS, microservices You have strong technical … Training and career development Social events and a range of other perks Apply now to find out more about this Lead Software Engineer/Developer (C# .Net Azure SaaS) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities More ❯

Job Title: Senior Software Engineer (C#/.Net) – Tax & Legal Technology Base Location: Glasgow based (Hybrid – 2 days per week in office) www.kpmgcareers.co.uk/experienced-professional/#LeBlender.OfficeLocations The KPMG Tax & Legal Technical Engineering function is a cornerstone of our business. We do work that matters to our local business and communities – supporting technical innovation … We've proudly stood beside the institutions and businesses which make the UK what it is. Why Join the KPMG Tax & Legal Technology Engineering team as a Lead Software Engineer We might be world leaders in Tax & Legal, but in many ways the engineering department feels like a start-up, with a twist. There’s the … will help prioritise deliverables allowing you to focus on creating world-class solutions. What will you need to do it? Have in depth experience of full stack engineering using C#/.Net Core and either Blazor, Angular 2+ or React frameworks. Experience of building Rest APIs and messaging. Experience building applications for the cloud such as Azure (pref.), AWS More ❯

Full Stack Engineer – C#/.NET | Digital Transformation Projects | Hybrid (UK) Location : Hybrid Remote (likely to be 1-2x per month dependent on client projects) Type : Permanent | Full-Time Sector : Digital Consultancy/Public Sector/Private Sector Budget: £55,000 + benefits Are you a passionate Full Stack Engineer looking to apply your … team where creativity meets strategy, and where your expertise will help solve complex challenges through cutting-edge technology. What You’ll Be Doing Building scalable, modern digital applications using C# and ASP.NET Core . Creating intuitive front-end experiences using React, Angular, or Blazor . Designing and consuming RESTful APIs and working within microservices architecture. Leveraging cloud platforms like … cross-functional teams delivering real-world impact. Contributing to CI/CD pipelines and writing clean, maintainable code. What We’re Looking For Essential Skills: 3 years experience with C#/.NET Core and backend service development. Front-end development using modern JavaScript frameworks or Blazor/Razor . Familiarity with cloud infrastructure (Azure or AWS). Hands-on More ❯

Job Title: Lead Software Engineer (C#/.Net) – Tax & Legal Technology Base Location: Glasgow based (Hybrid – 2 days per week in office) www.kpmgcareers.co.uk/experienced-professional/#LeBlender.OfficeLocations The KPMG Tax & Legal Technical Engineering function is a cornerstone of our business. We do work that matters to our local business and communities – supporting technical innovation … We've proudly stood beside the institutions and businesses which make the UK what it is. Why Join the KPMG Tax & Legal Technology Engineering team as a Lead Software Engineer We might be world leaders in Tax & Legal, but in many ways the engineering department feels like a start-up, with a twist. There’s the … help prioritise deliverables allowing you to focus on creating world-class solutions. What will you need to do it? Be a subject matter expert in full stack engineering using C#, ASP.Net Core 6+, Rest API's and React, Blazor or Angular2 frameworks. Demonstrable experience leading engineering teams building distributed systems and secure products at scale. Have a solid understanding More ❯

We’re looking for a Backend Engineer to join our global team to be responsible for the quality, development, and execution of our software products. You will be part of a technology department that is comprised of a successful and multidisciplinary group of professionals located across the globe – Barcelona, New York, London, Manchester, Bucharest and India. … potential threats Develop automation tests/collaborate with automation engineers to ensure business needs are met, and allow for regression testing Work closely with users to provide personalized software support as needed Stay updated on emerging technologies and industry trends to continuously improve our backend infrastructure Document application support and operational procedures Mentor junior engineers and provide technical … in computer science, engineering, or related field 3+ years of experience in software development, with a focus on building scalable and reliable systems Extensive knowledge of DotNet C#, LINQ, MS SQL, Entity Framework and related technologies Capable to use version control software such as GIT Knowledge of SOLID principles Knowledge of clean code practices Experience More ❯

Backend Software Engineer/Developer (C# .Net Core Cloud CQRS) London/WFH to £80k Are you a technologist with strong backend C# .Net skills? You could be progressing your career at in a senior, hands-on role Backend Software Engineer role at a successful and scaling Retail FX Brokerage … Software Engineer 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 within an AWS environment, but also with exposure across the full technology stack in a … 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 ❯

Software Engineer – C#/WinForms Hybrid Working Good Salary Package Company Bonus 33 Days Holidays Good Pension Contribution Healthcare Life Cover + Other Great Benefits We have a great position for an experienced Software Engineer with a knowledge of Website and eCommerce platform development. We are working with a fast-growing … turnover over the last 5 years. The company offers a modern and innovative working environment, where all employees are valued and recognised for their contributions to the business. Software Engineer Role The role will be an addition to a growing team and will work alongside a multidisciplined group of professionals. The successful candidate will be responsible … Degree in Computer Science, Software Engineering, Software Development or similar Good experience within industry of developing user Software Applications Experience and knowledge of C#/WinForms Experience and knowledge of Java Basic experience with HTML Knowledge of SQL databases Experience with VBA Experience design progressive web apps Experience using REST APIs Agile methodologies More ❯

The Role We’re looking for Software Engineers to join our Joule Direct team, to help us build and improve our high-throughput, low-latency energy trading platform. You’ll be working with some amazing technologists to solve complex problems. For us, teamwork is everything. We listen to each other, we adapt, we evolve and we strive to … new Automated Trading feature Benchmarking code to reduce latency Do some design/planning with a colleague and raise an RFC Our Tech Stack Our services are written with C# on .NET 6 We use a fair bit of SQL Server, Kafka and RabbitMQ Azure DevOps. We are big fans of Azure Pipelines! Some of our services are migrating … in all stages of development including planning, implementation and delivery Pairing with other engineers to share and expand your knowledge Contributing to technical discussions Skills & Experience Strong knowledge of C# or any popular programming language Excellent communication skills Can write efficient, concurrent code Knowledge of how distributed systems work Experience with Git, TeamCity and Octopus will be valued but More ❯

The Role We’re looking for Software Engineers to join our Joule Direct team, to help us build and improve our high-throughput, low-latency energy trading platform. You’ll be working with some amazing technologists to solve complex problems. For us, teamwork is everything. We listen to each other, we adapt, we evolve and we strive to … new Automated Trading feature Benchmarking code to reduce latency Do some design/planning with a colleague and raise an RFC Our Tech Stack Our services are written with C# on .NET 6 We use a fair bit of SQL Server, Kafka and RabbitMQ Azure DevOps. We are big fans of Azure Pipelines! Some of our services are migrating … in all stages of development including planning, implementation and delivery Pairing with other engineers to share and expand your knowledge Contributing to technical discussions Skills & Experience Strong knowledge of C# or any popular programming language Excellent communication skills Can write efficient, concurrent code Knowledge of how distributed systems work Experience with Git, TeamCity and Octopus will be valued but 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 date with … 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 ❯

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 ❯

Title: Software Engineer (C#) Before applying for this role, please read the following information about this opportunity found below. Department: Procode IT Location: Commutable distance of Chandlers Ford Salary: Circa £38,538 + discretionary 15% bonus scheme Are you an experienced Software Engineer with current C# & .NET skills? If so … then this could be the role for you! About us We are a dynamic software company. Established in 2006, with a vision of helping the energy and utilities sectors improve cus... JBLK1_UKTJ More ❯

MCS Group is seeking an experienced C#/AWS Developer for a project-based role in Belfast. Role Overview: Develop and maintain applications using C# and AWS. Collaborate with cross-functional teams to deliver high-quality solutions. Optimize and enhance system performance and scalability. Work in an Agile environment with modern development practices. Requirements: Solid experience in hands … on C# development and working with AWS (essential). Experience with complex software development projects and Agile methodologies. Experience with NodeJS and CI/CD is a plus. Additional Details: Location: Belfast, Northern Ireland (on-site 2-3 days/week). Duration: 6-12 months. IR35: Outside IR35. Rate: Competitive. To apply or discuss this opportunity More ❯

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 ❯

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 ❯

C# Software Engineer (Security Clearance) Position Description The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation to our clients using proven and emerging technologies, agile … platforms and services. This will require the update and improvement to a series of API interfaces to allow the client to operate an ecosystem of medical capabilities. As a C# Developer, you will play a critical role in updating our current systems and APIs to allow the movement of data between our systems and the new client systems. You … configuration, and deployment of operating system images. • Collaborate with infrastructure and support teams to address system-wide enhancements. Required qualifications to be successful in this role • Strong background in C# development with Visual Studio 2019 and git. • Hands-on experience with Windows Server 2016 and above environments. • Solid experience working with Microsoft SQL Server 2017 and above. • Familiarity with More ❯

Software Engineer (C#/.Net Core) Fintech Location: Central London Hybrid role Salary - £50k - £60k C#, .Net Core, Blazor, Azure Neulinx has partnered with an innovative fintech startup at the forefront of AI-driven financial market analysis. They have an exciting opportunity for a Software Engineer (C#/.Net … a government grant, they are developing a groundbreaking platform that delivers real-time market insights and predictive analytics for financial professionals. As a Software Engineer (C#/.Net Core) are you ready to help develop and revolutionise the backend infrastructure of our client’s AI trading platform? Skills/Experience: • 1.5 years plus experience as … Software Engineer working with C#, .Net Core 7+, SQL. • Excellent written and verbal communication • Experience working with Entity Framework and API’s. • There may be some frontend work so experience working with Blazor is a bonus. • Familiarity with Agile methodologies • Experience of working with Azure or Cloud based technologies is a bonus. Benefits • Competitive Salary More ❯

Software Engineer (C#/.Net Core) Fintech Location: Central London Hybrid role Salary - £50k - £60k C#, .Net Core, Blazor, Azure Neulinx has partnered with an innovative fintech startup at the forefront of AI-driven financial market analysis. They have an exciting opportunity for a Software Engineer (C#/.Net … a government grant, they are developing a groundbreaking platform that delivers real-time market insights and predictive analytics for financial professionals. As a Software Engineer (C#/.Net Core) are you ready to help develop and revolutionise the backend infrastructure of our client’s AI trading platform? Skills/Experience: • 1.5 years plus experience as … Software Engineer working with C#, .Net Core 7+, SQL. • Excellent written and verbal communication • Experience working with Entity Framework and API’s. • There may be some frontend work so experience working with Blazor is a bonus. • Familiarity with Agile methodologies • Experience of working with Azure or Cloud based technologies is a bonus. Benefits • Competitive Salary More ❯

C# Software Engineer (Front Office), Hedge Fund, London C# Software Engineer (Front Office), Hedge Fund, London Get AI-powered advice on this job and more exclusive features. C# Engineer | Global Hedge Fund | London [On-Site] We are working on behalf of a highly collaborative hedge fund with … track record of performance and has committed significant resource to further expanding their established front-office engineering team. At this moment, the fund are looking to hire a couple C# engineers (4-7 years’ experience) to support the growing coverage of this highly regarded team and being central to the shaping of a systematic business expansion. In this role … the successful applicant(s) will be supporting the development and maintenance of performative and responsive C# applications that enable the front office business to operate and function. Concomitantly, you will be working closely with key business stakeholders throughout the business across a range of novel and pre-existing projects; strategic and BAU. This will be a full SDLC mandate More ❯

C# Engineer | Global Hedge Fund | London [On-Site] We are working on behalf of a highly collaborative hedge fund with a global presence. The fund has a strong track record of performance and has committed significant resource to further expanding their established front-office engineering team. At this moment, the fund are looking to hire a couple … C# engineers (4-7 years’ experience) to support the growing coverage of this highly regarded team and being central to the shaping of a systematic business expansion. In this role, the successful applicant(s) will be supporting the development and maintenance of performative and responsive C# applications that enable the front office business to operate and function. Concomitantly More ❯