16 of 16 C# Developer Jobs in the South East

Senior C# Developer/Engineer (C# .Net Desktop Application) Reigate/WFH to £90k Do you have expertise with C# desktop development, working on complex scalable systems? 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 Senior C# Developer you'll join an Agile team responsible for the flagship desktop insurance platform that handles 4 billion requests per month. You'll play a key role in architecting, designing and developing new features ...

Full-Stack C# Developer - Greenfield Projects - £40k - £110k DOE (Various roles) City of London Are you a talented developer looking to work in a non-corporate, collaborative environment where your technical input makes a genuine difference? We are currently partnering with a forward-thinking team … team, free from bureaucratic hurdles, where your ideas and solutions are truly valued. Key Responsibilities Build and maintain bespoke in-house applications within a C#/.NET, SQL Server, and ASP.NET ecosystem. Analyse sports markets and identify new investment opportunities using highly automated, data-driven processes. Take ownership ...

C# Developer 6 Month ContractLocation: London (Hybrid) Lorien's UK leading Investment banking client are currently looking for a highly skilled C# Developer to join the team on an initial 6-month contract. Commodities FX Trading Quants knowledge Investment banking/FS Willing ...

Front Office C# Developer - Commodities Derivatives Day Rate: Up to £750/day (Umbrella) Duration: 6 months initially Location: Marylebone - London Working Arrangement: Hybrid - 3 days per week onsite We're looking for a Front Office C# Developer to join a London-based leading … Ensure platform stability through robust testing and release control. Follow team standards for code review, deployment and architectural governance. Essential Strong commercial experience with C# Solid SQL Server experience Background working on complex, business critical platforms Experience with commodities and/or derivatives products Organised, delivery-focused, and comfortable ...

Senior C# Developer/Engineer (C# .Net Desktop Application) Reigate/WFH to £90k Do you have expertise with C# desktop development, working on complex scalable systems? You could be progressing your career, in a senior, hands-on leadership role working on complex and technically ...

C# Developer - Farnborough, Hampshire - Hybrid (2 days onsite)£450-£500 per day (Inside IR35) Hybrid working - 2 days per week in Farnborough You must live within 1 hour of travel to site I am working with a highly regarded global financial services organisation who are looking … C# Developer with Blazor experience to join their team on a long-term contract basis.This is a fantastic opportunity to join a business where contractors are genuinely valued, integrated into the team, and given the chance to contribute to meaningful, long-term programmes. You'll be working ...

Description C# Developer - Farnborough, Hampshire - Hybrid (2 days onsite)£450-£500 per day (Inside IR35) Hybrid working - 2 days per week in Farnborough You must live within 1 hour of travel to site I am working with a highly regarded global financial services organisation who are looking … C# Developer with Blazor experience to join their team on a long-term contract basis.This is a fantastic opportunity to join a business where contractors are genuinely valued, integrated into the team, and given the chance to contribute to meaningful, long-term programmes. You'll be working ...

undergoing a major systems transformation following a recent acquisition. As part of this programme, they are looking to hire a Senior .NET/C# Developer to play a key role in evolving a large-scale legacy platform and supporting its transition from an on-premise desktop environment … platform. The role will involve working closely with the CTO and wider engineering team to assess, improve and progressively enhance an established C# codebase built on older Microsoft technologies. Due to the nature of the work, the business is open to hybrid working, but they would ideally like someone ...

undergoing a major systems transformation following a recent acquisition. As part of this programme, they are looking to hire a Senior .NET/C# Developer to play a key role in evolving a large-scale legacy platform and supporting its transition from an on-premise desktop environment … platform. The role will involve working closely with the CTO and wider engineering team to assess, improve and progressively enhance an established C# codebase built on older Microsoft technologies. Due to the nature of the work, The business is open to hybrid working, but they would ideally like someone ...

Full Stack Developer (.NET/C#) £53,000 - £58,000 + Company Benefits + WFH 2/3 days a week + 1:30pm Finish on a Friday Northolt, London Are you a Full Stack Developer from a .NET and C# background, with … play a pivotal role in bringing a new system to market.This role would suit a Full Stack Developer from a .NET and C# background, with knowledge of JavaScript and C++, looking for an autonomous, hybrid role within the renewables sector. The Role: Maintaining and improving a .NET ...

C#/.NET Developer - Repo and Fixed income Trading Systems City of London Hybrid (3/2 split) 6-month contract £514 - £920 per day (via Umbrella) cer Financial are working alongside an exciting, warm and welcoming, international bank, who are based in the City of London. … They are seeking a C#/.NET Developer to work with them on a contract. The responsibilities of the candidate will include: · Develop and support systems for back-office integration and Repo trading workflows. · Maintain applications that integrate Fixed Income and Repo trades with settlement, risk ...

C# Front Office Developer- TOP HEDGE FUND! Robert Half Limited is representing this client. This is a Permanent role with a high bonus Hybrid working -Based in the city and 3 days in the office and 2 days from home This isn't a large PM environment … Forwards Why this role? Small, elite team (no big firm bureaucracy) Real ownership & direct impact High-volume, fast-paced environment Strong engineering culture (C#, Python, SQL, MUST HAVE Azure, CI/CD) Must have: Strong C# experience in financial markets with at least 4+ years' experience Exposure ...

Graduate Software Developer - Remote, Train in C#, SQL, PHP, Azure £25,000 + Bonus | Full Training MUST HAVE (read before applying): Already graduated (no 2026 students) First-Class Computer Science degree (Top 40 UK university) Full UK working rights No visa sponsorship/no Student or Graduate … visas Role Description: Join a fintech company where youll be trained in C#, SQL Server, PHP & Azure , working on real systems from day one with experienced developers. Youll need: Strong OOP fundamentals OOP/Coding experience (C#, Java, Python etc.) Basic SQL knowledge or Database Querying Motivation ...

Graduate Software Developer - Remote, Train in C#, SQL, PHP, Azure £25,000 + Bonus | Full Training MUST HAVE (read before applying): Already graduated (no 2026 students) First-Class Computer Science degree (Top 40 UK university) Full UK working rights No visa sponsorship/no Student or Graduate … visas Role Description: Join a fintech company where youll be trained in C#, SQL Server, PHP & Azure , working on real systems from day one with experienced developers. Youll need: Strong OOP fundamentals OOP/Coding experience (C#, Java, Python etc.) Basic SQL knowledge or Database Querying Motivation ...

system architecture, with the ability to work both independently and collaboratively. Key responsibilities Design, develop, and maintain robust software applications using C++ and C# in Windows environments Contribute to system architecture and technical design decisions Develop and deploy applications in cloud environments, particularly AWS (including serverless architectures) Collaborate with … serverless technologies (e.g., Lambda, API Gateway) Several years' professional software development experience Demonstrated involvement in software architecture and system design Desirable skills Experience of C# and .NET development Experience in web UI development Proficiency in JavaScript and/or Node.js Experience with Python Familiarity with macOS development environments Experience ...

client is a tier 1 investment bank who are looking for a C# .Net developer. Tasks include understanding business requirements, designing applications, business data analysis, programming in Visual C#.NET using both Oracle and SQL Server database, Unit testing, Quality Assurance (QA), Implementation, Production and Disaster Recovery environments supporting users … preparing documents. Along with the application development, this role will also include supporting the existing C# and .NET applications. General IT Support to maintain environments where applications are running will be also essential. Responsibilities: Develop and maintain applications that integrate Fixed Income and Repo trades with downstream back office ...