1 to 25 of 34 C# Developer Jobs in the South East

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 engine team you'll collaborate to … 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 (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 engine team you'll collaborate to … 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 ❯

C# Developer, Microsoft Teams Integration, Remote, £425 day rate, Outside IR35, COR7386 We’re looking for an experienced C# Developer to join a 3-month contract role focused on building and integrating solutions within the Microsoft Teams and Microsoft 365 ecosystem. This position is fully remote, outside IR35, and offers an immediate start for … the right candidate. What’s required of the C# Developer? Strong experience developing with C# and .NET/ASP.NET Core Hands-on experience using the Microsoft Graph API Background in Microsoft Teams development, and a familiarity with the Microsoft 365 environment Knowledge of Azure AD, authentication protocols (OAuth 2.0), and RESTful APIs Experience working with JSON … webhooks, or event-driven architectures is a plus What Next? If you’re an experienced C# Developer with Microsoft Teams integration experience and you’re available immediately, apply today to find out more! C# Developer, Microsoft Teams Integration, Remote, £425 day rate, Outside IR35, COR7386 Corriculo Ltd acts as an employment agency and an More ❯

Lead C# Developer/Software Engineer (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 … a global Fintech. As a Lead C# Developer you'll manage three Agile teams comprising around ten experienced software engineers, responsible for the flagship SaaS insurance platform that handles 4 billion requests per month. You'll play a key role in architecting, designing and developing new features and enhancements whilst ensuring high levels of security, reliability, maintainability … 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 and team More ❯

C# Developer/Software Engineer (C# .Net SQL) *London onsite* to £180k+ Are you a technologist with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. As a C# Developer you'll collaborate with a … minimum 2.1 in a STEM discipline from a top tier university (i.e. Russel Group or top 100 global university), backed by A grades at A-level You have advanced C# .Net programming skills including .Net Core (will also consider Java, Python or C++ background if happy to use C# going forward) You have a strong knowledge of SQL … entrepreneurial with good business acumen, keen to take ownership and lead projects You're collaborative, enjoy problem solving and sharing ideas What's in it for you: As a C# Developer/Software Engineer you will earn a competitive package: Salary to £180k Significant bonus earning potential Fund performance share Personal training budget and mentoring Family friendly More ❯

C# Developer Onsite Working Financial Services Lorien's leading Investment client are looking for a C# Developer to join them on a contract basis on an 6-month contract. We are looking for a strong C# Developer who has experience of working within Investment Banking environments with strong communication skills. This More ❯

Senior Full Stack C# Developer Based at client locations, working remotely, or based in our Godalming or Milton Keynes offices. Salary Negotiable, plus company benefits. Due to the nature of this position, you must be willing and eligible to achieve a minimum of SC clearance. To be eligible, you must have been a resident in the UK … for a minimum of 5 years and have the right to work in the UK. Here at Triad Group, we're currently expanding our C#/.NET team and looking to bring on four experienced developers to contribute to an exciting Central Government project. This initiative is not only technically engaging but also offers the chance to make a … unsafe products Powering systems that help the government monitor and reduce greenhouse gas emissions from commercial transport Role Summary Triad Group Plc is seeking a skilled and experienced Senior C# Developer to join our dynamic team. As a Senior Developer, you will be responsible for designing, developing, and maintaining software applications using .Net Core with More ❯

Senior Full Stack C# Developer Based at client locations, working remotely, or based in our Godalming or Milton Keynes offices. Salary Negotiable, plus company benefits. Due to the nature of this position, you must be willing and eligible to achieve a minimum of SC clearance. To be eligible, you must have been a resident in the UK … for a minimum of 5 years and have the right to work in the UK. Here at Triad Group, we're currently expanding our C#/.NET team and looking to bring on four experienced developers to contribute to an exciting Central Government project. This initiative is not only technically engaging but also offers the chance to make a … unsafe products Powering systems that help the government monitor and reduce greenhouse gas emissions from commercial transport Role Summary Triad Group Plc is seeking a skilled and experienced Senior C# Developer to join our dynamic team. As a Senior Developer, you will be responsible for designing, developing, and maintaining software applications using .Net Core with More ❯

Are you an experienced C# Software Developer with strong skills in C# and SQL Server? Looking for a new challenge within a global technology leader on the Isle of Wight that values innovation, collaboration, and professional growth? If so, we'd love to hear from you! An exciting opportunity has arisen for an experienced C# … based in the Isle of Wight to play a key role in designing, developing, and implementing high-quality, responsive software applications that meet customer needs. Key Responsibilities for the C# Software Developer Collaborate with project managers to deliver high-quality software projects Create and review requirements, functional, and design specifications for complex software solutions Develop, modify, and … Produce technical estimates and architectural input for proposals Key Requirements Qualification in Computer Science, Information Technology, or a related field 3+ years' experience full stack development experience in a C# software environment Strong experience developing complex applications using C# and SQL Server Proficient in HTML5, CSS3, JavaScript/TypeScript Experience in creating functional and design specifications Strong understanding More ❯

Full Stack Software Developer, C# .NET, Remote, £425 day rate, Outside IR35, COR7373 We’ve looking for an experienced Full Stack Software Developer for a 6 month contract role available immediately. This role is fully remote and outside IR35, offering a day rate of up to £425. Candidates must live and be eligible to work … in the UK. As a Full Stack Software Developer, you will be responsible for developing and maintaining software solutions using C# and .NET Core, ensuring high-quality code and adherence to best practices. What’s required of the Full Stack Software Developer? Proven experience developing full stack applications with C# and .NET Core Experience … user interface design What Next? If you’re an experienced Full Stack Software Developer available immediately, apply today to learn more! Full Stack Software Developer, C# .NET, Remote, £425 day rate, Outside IR35, COR7373 Corriculo Ltd acts as an employment agency and an employment business. #AS More ❯

C# Fullstack Developer Our investment bamkng client is looking for a highly skilled C# Fullstack Developer to join their London baseed team in a permananent capacity. Overview: We are seeking a highly skilled C# Fullstack Developer with experience in investment banking or large-scale enterprise environments. This role involves working closely … and maintain fullstack applications using modern technologies. Contribute to DevOps processes and CI/CD pipelines. Work with large data models and multithreaded systems. Essential Skills: Strong proficiency in C# and backend development. Frontend experience with Angular and AG Grid . Solid understanding of SQL Server and database design. Familiarity with Jenkins or other DevOps tools. Ability to build More ❯

A leading software provider in Fareham is seeking a C# Developer to join their innovative team working on projects across retail, hospitality, leisure, and the public sector. You'll be joining a dynamic team of developers working on cutting-edge solutions including iOS and biometric applications , patient-facing healthcare systems , and enterprise-level web and mobile platforms … and Angular Integrating with EPOS hardware and peripherals Contributing to research and development initiatives Applying design patterns and best practices in software architecture Key Skills: 2+ years' experience in C# Exposure to Xamarin , ASP.NET , Angular is beneficial Strong problem-solving and team collaboration What's on Offer: Salary up to £60k Exciting, varied projects Supportive and forward-thinking team … environment If you're a C# developer ready to take the next step in your career and work on exciting, real-world applications, we'd love to hear from you. Deerfoot Recruitment Solutions Ltd is a leading independent tech recruitment consultancy in the UK. For every CV sent to clients, we donate £1 to The Born Free More ❯

Senior C# .NET Developer Mayfair, London - Hybrid (1 - 2 days per week in the office) £68,000 - £72,000 per annum The Role Our client is hiring a backend C# .NET Developer to join their engineering team in a hybrid role (1 - 2 days per week in the office). You’ll help build … that support searching , order processing , and background processes with a strong focus on both application logic and data access . This role is ideal for someone confident in both C#/.NET development and SQL , and who enjoys working on clean, maintainable code and performance-optimised database logic. What You’ll Be Working On: Designing and building backend services … Telemetry and Grafana for logs, metrics, tracing, and alerting across backend services. Contributing to technical design discussions, code reviews, and deployments. What They’re Looking For: Strong experience in C#/.NET backend development. Solid understanding of data modelling, indexing, and performance tuning. Skilled in writing and optimising complex SQL queries and stored procedures. Experience building and maintaining APIs More ❯

Software Developer (C#/.NET/MAUI) – Southampton, Hampshire Are you a C#/.NET Software Developer looking for a role where you can build real-world products that make an impact? This is an exciting chance to join a specialist engineering team developing cutting-edge software applications across Android, PC, and cloud platforms … the chance to learn, grow, and take ownership while working on challenging projects. What you’ll be doing: Designing, developing, and maintaining Android, PC, and cloud-based applications Using C#, .NET, and .NET MAUI to create intuitive and reliable software Collaborating with R&D and UX/UI teams to deliver new features and improvements Playing a key role … across the full software development lifecycle What we’re looking for: Experience across the full software development lifecycle Strong background with Android and cloud-based systems Proven skills in C# .NET and .NET MAUI for Android Knowledge of SQL, user interfaces, and data communications Must be a British Citizen and British-born (due to the need for high-level More ❯

Software Developer (C#/.NET/MAUI) – Southampton, Hampshire Are you a C#/.NET Software Developer looking for a role where you can build real-world products that make an impact? This is an exciting chance to join a specialist engineering team developing cutting-edge software applications across Android, PC, and cloud platforms … the chance to learn, grow, and take ownership while working on challenging projects. What you’ll be doing: Designing, developing, and maintaining Android, PC, and cloud-based applications Using C#, .NET, and .NET MAUI to create intuitive and reliable software Collaborating with R&D and UX/UI teams to deliver new features and improvements Playing a key role … across the full software development lifecycle What we’re looking for: Experience across the full software development lifecycle Strong background with Android and cloud-based systems Proven skills in C# .NET and .NET MAUI for Android Knowledge of SQL, user interfaces, and data communications Must be a British Citizen and British-born (due to the need for high-level More ❯

C# Developer - trade capture/commodities - sought by leading firm based in London - Contract - Hybrid *outside iR35* What You'll Be Doing Designing and developing enterprise-grade solutions in an Agile team. Building and maintaining middleware services using C# , REST APIs , FIX messaging , XML , and Microservices . Leading architecture discussions, code reviews, and release management. Collaborating … in Computer Science, Engineering, or a related field. Proven experience in commodities trading , especially with derivatives and platforms like ICE , CME , NASDAQ , Trayport , or TT . Deep knowledge of C# .NET , RESTful services , and microservice architecture . Hands-on experience with FIX messaging , XML , AMQ , and ideally nHibernate , OData , and TDD . Familiarity with Agile tools like JIRA , Confluence More ❯

Full-Stack Developer (C#/React) London | Hybrid (3 days per week) | £80,000 to £90,000 base + bonus Ncounter are supporting a high-performing technology team as they expand their web engineering capability and continue to modernise the platforms that power real-time digital marketplaces. We’re looking for experienced Full-Stack Developers who enjoy … driven applications, with a focus on reliability, modularity, and scalability across both front-end and back-end services. In the role you will: • Build and enhance web applications using C# (.NET 8) and React with TypeScript • Design reusable components and frameworks to accelerate product delivery • Collaborate closely with other engineers to define solutions and solve complex technical challenges • Contribute … mentoring within the team • Take ownership of quality, testing, and continuous delivery improvements We’re looking for: • Strong hands-on experience across modern web technologies and frameworks • Proficiency in C# or an equivalent object-oriented language, plus React or similar JavaScript frameworks • A genuine interest in clean code, developer experience, and team-wide collaboration • Someone curious, pragmatic More ❯

My well established, market leading Client is urgently recruiting for a talented C# Developer to join their team on a hybrid/remote contract basis . This is an excellent opportunity to work outside IR35 , contributing to an exciting project with a strong focus on API integration and Azure cloud services . What You'll Be Doing … Designing, building, and maintaining scalable APIs using C#/.NET Integrating third-party APIs into enterprise-level applications Developing and deploying applications to Microsoft Azure Collaborating with a remote team of developers, architects, and stakeholders Writing clean, maintainable, and well-documented code What We're Looking For: Strong experience in C#/.NET (Core or Framework) Proven track More ❯

Length of Contract: 6 Months Pay Rate: £500-£700 PWD Umbrella Hybrid Model: 2-3 days in the office Overview We're seeking a Reporting Analyst Developer (C#) to join a leading financial institution's IT team, working within the Trade and Transaction Reporting (TTR) area. This is an exciting opportunity for an experienced developer … paced environment. Key Responsibilities: Develop, enhance, and maintain regulatory reporting systems to support business and compliance needs. Design and deliver high-quality, efficient, and scalable software using .NET/C# and SQL . Collaborate closely with the Regulatory Reporting business teams to ensure the technology stack meets current and future requirements. Participate in Agile ceremonies (Scrums, Sprints, Releases) and … risk, and regulatory initiatives across the EMEA region. Promote a collaborative, inclusive, and high-performing team culture. Key Skills & Experience: Strong hands-on development experience in .NET Core and C# . Advanced knowledge of SQL/T-SQL and data modelling. Experience working within the financial services or regulatory reporting domain preferred. Strong analytical, problem-solving, and communication skills. More ❯

Software Developer/Engineer (C# .Net SQL) *London onsite* to £180k+ Are you a technologist with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. As a Software Developer you'll collaborate with a team of technologists … minimum 2.1 in a STEM discipline from a top tier university (i.e. Russel Group or top 100 global university), backed by A grades at A-level You have advanced C# .Net programming skills including .Net Core (will also consider Java, Python or C++ background if happy to use C# going forward) You have a strong knowledge of SQL … with AMOS Bursary Various other social groups including sports teams Private healthcare and wellness activities Apply now to find out more about this Software Developer/Engineer (C# .Net SQL) 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 employer More ❯

Software Developer/Engineer (C# .Net SQL) *London onsite* to £180k+ Are you a technologist with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. As a Software Developer you'll collaborate with a team of technologists … minimum 2.1 in a STEM discipline from a top tier university (i.e. Russel Group or top 100 global university), backed by A grades at A-level You have advanced C# .Net programming skills including .Net Core (will also consider Java, Python or C++ background if happy to use C# going forward) You have a strong knowledge of SQL … with AMOS Bursary Various other social groups including sports teams Private healthcare and wellness activities Apply now to find out more about this Software Developer/Engineer (C# .Net SQL) 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 employer More ❯

Software Developer C#/.Net Core Basingstoke - Hybrid - 3/5 Days in the Office - Circa £45,000 An excellent opportunity to work with a fast-paced and profitable technology company that helps businesses test and improve the quality of their products and services. The company are building the best product in the industry and are obsessed … their customers. This is a rare opportunity to be an early joiner at a technology company that is growing fast, yet sustainability. Responsibilities Responsible for ongoing product development using C# & .Net Core Write clean, efficient, secure, and maintainable code that has high test coverage. Design, test, build and develop new features with the team. Experienced in using SCRUM to More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Senior Software Engineering role in a growing SaaS product company ? Recent investment means we are scaling & growing our Software Engineering & product teams - we are keen to add a Senior Engineer into this, with accomplished skills in the .Net platform (C#, ASP.net) & Angular framework. So … Scrum Master, excellent technical product team & obviously full stack software engineers in your team. Our tech stack, below. But, in the main, if you have solid experience in .Net (C#) & modern JS/TS frameworks, at a senior level, please get in touch! - C#/ASP.NET (Core & Framework) and modern JavaScript/TypeScript frameworks, particularly Angular . - MySQL More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Senior Software Engineering role in a growing SaaS product company Recent investment means we are scaling & growing our Software Engineering & product teams - we are keen to add a Senior Engineer into this, with accomplished skills in the .Net platform (C#, ASP.net) & Angular framework. So … Scrum Master, excellent technical product team & obviously full stack software engineers in your team. Our tech stack, below. But, in the main, if you have solid experience in .Net (C#) & modern JS/TS frameworks, at a senior level, please get in touch! - C#/ASP.NET (Core & Framework) and modern JavaScript/TypeScript frameworks, particularly Angular . - MySQL More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Senior Software Engineering role in a growing SaaS product company ? Recent investment means we are scaling & growing our Software Engineering & product teams - we are keen to add a Senior Engineer into this, with accomplished skills in the .Net platform (C#, ASP.net) & Angular framework. So … Scrum Master, excellent technical product team & obviously full stack software engineers in your team. Our tech stack, below. But, in the main, if you have solid experience in .Net (C#) & modern JS/TS frameworks, at a senior or lead level, please get in touch! - C#/ASP.NET (Core & Framework) and modern JavaScript/TypeScript frameworks, particularly Angular More ❯