18 of 18 C# Developer Jobs in the South East

orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. C# Developer (Architecture Focused) London, 3 days per week on site required 6-month initial contract £400.00 via umbrella per day The Opportunity … looking for a senior C# Developer with a strong architectural focus to join a highly skilled engineering team working on business-critical systems at scale . This role sits at the heart of a major technology estate and offers the chance to modernise legacy platforms , shape technical ...

Senior Full Stack Developer | C# & React | Greenfield Trading Platform | London, Hybrid | Up to £120k + Bonus, Benefits Note: This role does not provide Visa Sponsorship Our client is looking for a Senior Full Stack Developer with strong expertise in C# to join them … West End) Key Responsibilities Design, develop, and maintain scalable applications within the trading ecosystem. Work across the full stack, with a primary focus on C# back-end development. Ensure performance, maintainability, and testability of all solutions. Work closely with business users to understand requirements and deliver high-impact solutions. ...

Senior Microsoft Stack Developer, C#, .NET, Azure, React, Central London, Mainly Remote Senior Microsoft Stack Developer required to work for an exciting and growing business based in Central London. However, this will be mainly remote and the expectation will … office circa twice a month. You will be hugely proficient in Microsoft Stack Technologies such as .NET, C# and Azure. You will also have experience with React, along with having some knowledge of and exposure to DevSecOps. Read on for more details... Experience required: Proven hands-on track record ...

C# Developer - Risk IT - sought by leading investment bank based in London - Contract - Hybrid *inside 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 . … Bring A strong academic background in Computer Science, Engineering, or a related field. Proven experience in SOLID Principles/Design patterns Deep knowledge of C# .NET , RESTful services , and microservice architecture . Hands-on experience with FIX messaging , XML , AMQ , and ideally nHibernate , OData , and TDD . Excellent communication ...

Join a fast-moving telecoms provider in Berkshire as a Senior C# Developer, where you'll lead the development of internal applications that drive operational efficiency and customer service excellence. This is a hands-on role for a seasoned engineer who thrives in a collaborative, delivery-focused … environment. About the Role You’ll take ownership of key internal systems built on C#, ASP.NET MVC, and Blazor, supporting everything from provisioning workflows to billing automation. Working alongside product owners and infrastructure teams, you’ll help shape the technical direction and mentor junior developers. Key Responsibilities • Architect, develop ...

partnered with a leading fixed income hedge fund in London seeking a talented C# Developer to join their front-office technology team. The fund has a strong and consistent performance track record and has invested heavily in its quant and tech capabilities as part of a wider … team multiple times so are able to go into detail regarding set up of the team and role The team primarily uses C# for core systems and Python within quant and data teams. C# and .Net experience and knowledge are essential for this role, but the fund will ...

C# Software Developer, Back End, C#.Net, MS SQL Server, Javascript, Horsham, West Sussex to £65K (Hybrid) An established software company in Horsham are looking for a passionate C# Back End Software Engineer to design, develop and install software solutions. The C#.Net/Back End Software Engineer … ideal candidates are familiar with the software development life cycle (SDLC) from preliminary system analysis to tests and deployment. Ultimately, the role of the C#/Back End Software Engineer is to build high-quality, innovative and fully performing software that complies with coding standards and technical design Skills ...

C#.NET Developer – Financial Systems Developer Ref: YC46978 A leading Japanese IT company with a central London office is seeking a C#.NET Developer for its Financial Systems Team. They welcome candidates with knowledge of banking, securities, or insurance operations, and experience developing with C#.NET. Ideal … experience Start Date: Negotiable Working Hours: Monday to Friday, 9:00–17:00 Location: Central London (Hybrid) WORK STYLE: Hybrid style Financial Systems Developer Main Responsibilities: • Develop, maintain, and enhance financial systems (banking, securities, insurance) • Develop applications using C#.NET • Design, manage, and optimise databases such as SQL Server ...

Senior Full-Stack .NET Developer Location Hampshire: Hybrid - £50k - £70k doeAre you a passionate C# engineer ready to shape the next generation of web applications? Join a forward-thinking team driving innovation across B2B platforms that power clients’ core operations.What You’ll Do Architect, build and maintain … responsive web applications using C#, .NET Core, ASP.NET MVC and Razor/Blazor Implement RESTful APIs and microservices, integrating with Azure Functions, SQL Server and containerised Docker workloads Craft intuitive front ends with JavaScript, TypeScript and React or Angular, ensuring pixel-perfect UIs Lead code reviews, troubleshoot production issues ...

will develop and consolidate systems, write software, guide a team of developers, and take ownership of several critical platforms. This includes an in‐house C# PnL and Risk system that performs real‐time portfolio valuation, alongside other components that will be integrated into a cohesive, modernised core platform. … date) accounting reconciliations Particular interest in candidates with Fixed Income and Rates experience Technical Skills Strong computer science fundamentals Hands‐on development experience in: C# and .NET (essential for this role) Python within quant or data environments The client will also consider exceptional engineers from other OOP backgrounds such ...

client is in the Public Sector and we are looking for a Lead Developer to join on a 12 Month FTC. This role is remote with 6 days a month in their Brighton office. Client Details Our client is in the Public Sector and we are looking … join on a 12 Month FTC. This role is remote with 6 days a month in their Brighton office. Description Develop and maintain C# applications to support organisational processes. Collaborate with cross-functional teams to design and implement software solutions. Write clean, scalable, and efficient code following best practices. ...

client is in the Public Sector and we are looking for a Lead Developer to join on a 12 Month FTC. This role is remote with 6 days a month in their Brighton office. Client Details Our client is in the Public Sector and we are looking … join on a 12 Month FTC. This role is remote with 6 days a month in their Brighton office. Description Develop and maintain C# applications to support organisational processes. Collaborate with cross-functional teams to design and implement software solutions. Write clean, scalable, and efficient code following best practices. ...

client is the Public Sector and is looking for a Lead Developer to join on a 12 Month Inside IR35 Contract. This role will be remote with 4 days a month visits to their office in Brighton. Client Details Our client is the Public Sector and is looking … Lead Developer to join on a 12 Month Inside IR35 Contract. This role will be remote with 4 days a month visits to their office in Brighton. Description Lead the development and implementation of software solutions to meet organisational goals. Collaborate with stakeholders to define project requirements ...

client is the Public Sector and is looking for a Lead Developer to join on a 12 Month Inside IR35 Contract. This role will be remote with 4 days a month visits to their office in Brighton. Client Details Our client is the Public Sector and is looking … Lead Developer to join on a 12 Month Inside IR35 Contract. This role will be remote with 4 days a month visits to their office in Brighton. Description Lead the development and implementation of software solutions to meet organisational goals. Collaborate with stakeholders to define project requirements ...

work to owning the analytics infrastructure that shapes how an entire research organization sees its performance. What You'll Own: Production reporting tools in C# and React used across all desks Analytical dashboards that turn performance data into trading insights The platform roadmap - you decide what gets built next … firm scale fast What You Bring: Experience 3+ years building production software Background in quantitative finance or trading environments preferred Technical Skills C# and Python React ...

seeking an Associate Analyst Developer to join a Front Office Platform Integration team within a leading global financial services organisation. This is an excellent opportunity for a motivated self-starter looking to build a career in technology within the financial markets, working in an agile environment on business … translate requirements Maintain and support existing integration services and platforms Contribute to ongoing enhancement of middleware and integration architecture Key Requirements Experience with C#/.NET development Experience working with relational databases and SQL Strong ability to analyse business requirements and design effective technical solutions Familiarity with integration technologies ...

C#.NET, .Net Core, TDD, Entity, MVC, SQL Server, Azure, Cloud, Azure Service Bus, RabbitMQ, Back End, GiT, Rest API's, Start 2026 with one of these great new opportunities we have. Based Kent, UK. These ...

Title : Front-End Developer Location : London, Hampshire, Surrey, Greater London Salary : £50,000 - £70,000 We are seeking a skilled Front-End Developer to join our innovative team. You will take a lead role in designing and building intuitive, responsive applications for key modules such … enhance productivity and decision-making. Skills and Experience Proven experience with WPF and MVVM , delivering desktop-based applications. Strong proficiency in React and C# , including integration with REST APIs . Solid understanding of usability, accessibility, and responsive design principles. Familiarity with web frameworks and libraries such as ASP.NET, Bootstrap ...