1 to 25 of 30 C# Developer Jobs in the South East

Senior C# Developer/Engineer (C# .Net Core) London/WFH to £85k Are you a skilled C# Developer looking to progress your career in a senior, hands-on role? You could be at a successful and scaling Retail FX Brokerage working … Greenfield systems. As a Senior C# Developer 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 ...

Software Developer, C#, .NET Core, SQL Server, COR7417 This is a great time for a talented full-stack C# Software Developer, with skills in both web and desktop development to join an established, niche software house, based just outside Witney, West Oxfordshire. The Role … C# Software Developer will be joining a company that is well-established with a strong product range (mission-critical, browser and desktop-based software developed predominantly in C#, ASP.NET MVC, .NET Core, JavaScript and SQL Server) used by market leading companies across the globe. In addition ...

C# Developer/Backend Software Engineer C# .Net AWS (Junior - Mid) London to £80k Are you a bright, ambitious C# Developer who enjoys collaborating and working on complex systems with cutting edge technology? You could be progressing your career at a highly profitable … that invests in sports betting markets whilst enjoying a range of perks and benefits including hybrid working and a sociable team environment. As a C# Developer you'll join a cross functional Agile product team responsible for high-value business critical betting execution systems. ...

C# Developer | Remote | Outside IR35 A client is seeking an experienced C# Developer to join their development team and support a key internal initiative. In this role, you'll also play a major part in configuring, enhancing, and integrating Microsoft Dynamics 365 within … collaborate closely with senior stakeholders to deliver clean, efficient, and reliable code that underpins critical business applications. Responsibilities: Produce well-structured and clearly documented C#/.NET code. Configure, customise, and maintain Microsoft Dynamics 365. Build and support integrations across Dynamics 365 and other systems. Develop plugins, workflows ...

Software Developer, C#, .NET Core, SQL Server, COR7417 This is a great time for a talented full-stack C# Software Developer, with skills in both web and desktop development to join an established, niche software house, based just outside Witney, West Oxfordshire. The Role … C# Software Developer will be joining a company that is well-established with a strong product range (mission-critical, browse click apply for full job details ...

Title: C# Developer Rate: Up to £750/day Location: London (Hybrid) The Opportunity: I am working with a leading global investment bank seeking a C# Developer to join their high-performing FO Trading team. This is an exceptional opportunity to work alongside experienced … technologists and investment professionals building mission-critical systems that drive trading, research, and risk management operations. What You Bring (Required): Deep commercial experience engineering C#/.NET solutions within mission-critical financial services platforms Hands-on delivery of enterprise risk platforms (Market, Credit, Counterparty Risk, XVA) with solid understanding ...

C# Developer (Government) - Remote - £330.00 Per Day Inside IR35 My government client are seeking a C#/.NET Developer with proven expertise in building modern, cloud-native solutions. This is a high-impact position where you will lead the development of .NET applications using … C# and the latest frameworks (.NET 6/7/8), while shaping the technical direction of mission-critical projects. Must have Government background. Required Skills & Experience: Development of .NET applications using C#, .NET 6/7/8, and modern frameworks. Build cloud-native microservices hosted ...

C# Developer (Government) - Remote - £330.00 Per Day Inside IR35 My government client are seeking a C#/.NET Developer with proven expertise in building modern, cloud-native solutions. This is a high-impact position where you will lead the development of .NET applications using … C# and the latest frameworks (.NET 6/7/8), while shaping the technical direction of mission-critical projects. Must have Government background. Required Skills & Experience: Development of .NET applications using C#, .NET 6/7/8, and modern frameworks. Build cloud-native microservices hosted ...

C# Developer (Government) - Remote - £330.00 Per Day Inside IR35 My government client are seeking a C#/.NET Developer with proven expertise in building modern, cloud-native solutions. This is a high-impact position where you will lead the development of .NET applications using … C# and the latest frameworks (.NET 6/7/8), while shaping the technical direction of mission-critical projects. Must have Government background. Required Skills & Experience: Development of .NET applications using C#, .NET 6/7/8, and modern frameworks. Build cloud-native microservices hosted ...

C# Developer (Government) - Remote - £330.00 Per Day Inside IR35 My government client are seeking a C#/.NET Developer with proven expertise in building modern, cloud-native solutions. This is a high-impact position where you will lead the development of .NET applications using … C# and the latest frameworks (.NET 6/7/8), while shaping the technical direction of mission-critical projects. Must have Government background. Required Skills & Experience: Development of .NET applications using C#, .NET 6/7/8, and modern frameworks. Build cloud-native microservices hosted ...

C# Developer (Government) - Remote - £330.00 Per Day Inside IR35 My government client are seeking a C#/.NET Developer with proven expertise in building modern, cloud-native solutions. This is a high-impact position where you will lead the development of .NET applications using … C# and the latest frameworks (.NET 6/7/8), while shaping the technical direction of mission-critical projects. Must have Government background. Required Skills & Experience: Development of .NET applications using C#, .NET 6/7/8, and modern frameworks. Build cloud-native microservices hosted ...

C# Developer (Government) - Remote - £330.00 Per Day Inside IR35 My government client are seeking a C#/.NET Developer with proven expertise in building modern, cloud-native solutions. This is a high-impact position where you will lead the development of .NET applications using … C# and the latest frameworks (.NET 6/7/8), while shaping the technical direction of mission-critical projects. Must have Government background. Required Skills & Experience: Development of .NET applications using C#, .NET 6/7/8, and modern frameworks. Build cloud-native microservices hosted ...

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 ...

Hiring: Junior C# Quantitative Developer | Hedge Fund | London (Hybrid) Are you a talented C# developer with a passion for finance, data, and quantitative problem-solving? Join a leading hedge fund where technology and mathematics drive every decision. We're looking for a Junior Quantitative … experienced quants, traders, and engineers — building and optimizing the systems that power our trading strategies. What You'll Do Develop and maintain high-performance C# applications used in research, risk, and trading Collaborate with quants to implement pricing models and backtesting frameworks Enhance data processing pipelines and contribute ...

Title: C# Developer - Leading Trading Firm - Up to £100k + Bonus + Package Client: Elite FinTech Firm Experience Level: 2+ years' Salary: Up to £100k + Bonus + Package Location: London (Flexible Working) An elite fintech firm are searching for C# Developers to join a group … high performance tools - utilising cutting edge technology across a diverse range of greenfield projects Tech driven environment - most recent versions/frameworks of C# used daily Skills/Experience Strong knowledge of C# STEM degree - strong computer science fundamentals (Preferred ...

Role Type : Perm Title – Junior C# Engineer Client – Established Financial Institution Salary - Up to £80,000 P/A + Bonus Location – London/Hybrid My client is a well-established and successful tech house working in the finance sector who are looking a talented Junior C# Developer … technologists out there, one some of the most up to date tech in the industry, on a greenfields project! Requirements: Strong experience working with C#/.Net Experience working with Cloud Technologies (Azure preferred) Experience working with Typescript - Angular or React Strong SQL experience Finance experience a plus! Strong ...

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# Developer – Investment Banking (6-Month Contract) Location: London (50% Hybrid) Contract: 6 months Day Rate: Inside IR35 (Open) Our client, a leading investment bank, is seeking an experienced C# Developers to join their Global Markets e-Trading technology team. You will contribute to the development … testing to ensure platform robustness. Provide SL3 support for application components. Communicate delivery status and milestones to stakeholders. Experience Required Expert-level server-side C# development, with knowledge of low latency, high availability, and asynchronous systems. Experience with C++ and Python (desirable). Familiarity with Interest Rate ...

Senior C# & React Full Stack Developer – Front Office Trading (Energy Team) £140,000 + Strong Bonus | Hybrid (London) A London-based Hedge Fund is seeking a Senior Full Stack Developer (C#, React) to join their Energy Trading Team, working closely with front office traders … This means exposure not only to front-office trading but also to fintech-style product delivery, using the latest tech stack (React.js, TypeScript, modern C#, cloud-native tooling). Key Responsibilities Partner with energy traders to design, code, and test modern trading applications. Drive architecture and design decisions, ensuring ...

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 ...

Senior Front Office Developer | Commodities & Energy Trading | C# .NET | Azure | 110k | London (Hybrid) We are looking for a Senior Front Office Developer to join a high-performing trading technology team in London, focused on commodities and energy markets. This is a hands-on role building … front office decision-making, shaping how trading desks respond to market events and price risk. This is a hands-on opportunity to work with C#/.NET, Azure, SQL, and modern front-end technologies while contributing to a fast-paced, high-impact trading environment. You'll be part ...

C#/CMS Developer - Law Firm - £45-65k Gatwick, Crawley 2 days per week in office (negotiable) My prestigious law firm client is looking for a Developer to join their forward thinking department as they embark on an exciting range of transformations and initiatives … however, fully funded official training will be provided) Skills & Experience: - Development knowledge of a Case Management System or equivalent (preferably ShareDo). - Knowledge of C# and SQL an advantage - Knowledge of Microsoft Visio and Word - Knowledge of Microsoft DevOps and source control. - Familiarity with UML (Unified Modelling Language) C# ...