18 of 18 C# Developer Jobs in the South East

C# Developer Architecture Focused

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£415 per day
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 ...

C# Developer

Hiring Organisation
Eligo Recruitment
Location
Brighton, East Sussex, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
skilled C# Developer , you’ll step into a hands-on Technical Lead role, driving the delivery of a major digital transformation project. You’ll design, develop and deliver enterprise-level solutions using .NET, C# and Microsoft Azure technologies, while setting technical direction and mentoring others.You … hands-on coding and want to influence how technology is built and delivered, this is your next challenge.What You’ll Do Lead development using C#, .NET and Azure cloud services Design scalable, secure web applications using modern architecture patterns Apply Agile and DevOps practices to deliver robust, maintainable software ...

Full Stack C# Developer £60k - £80k

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
C# Full Stack Developer – Microsoft Stack | Hybrid Working Location: [Reading] Remote Salary: £60k - £80k doe Contract: Permanent We’re hiring multiple .NET Developers to join an ambitious tech-driven business building a brand-new financial platform from scratch. Work with modern tech, solve real engineering problems … help shape a next-gen product that makes complex risk management simple. What you’ll do Build and enhance financial applications using .NET, C# and Azure Develop fast, scalable APIs & microservices Work across front-end (Angular/React/Vue) and back-end Collaborate with a friendly, high-performing ...

Senior C# Developer

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Senior C#. NET Developer Location: London (Hybrid) Contract: 6 months IR35: Inside IR35 Our client, a leading global investment bank, is looking for an experienced C#. NET Developer to join their team on a 6-month contract. This role is pivotal in modernising and supporting business ...

C#.NET Developer - Financial Systems Developer

Hiring Organisation
Centre People Appointments
Location
Slough, Berkshire, UK
Employment Type
Full-time
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 ...

C# ASP.NET Developer

Hiring Organisation
4Square Recruitment Ltd
Location
Reading, Berkshire, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
UK. A long-standing client of mine based in Reading, Berkshire, is seeking a Graduate/Junior to Mid-Level Full Stack C# ASP.NET Developer to join them. The purpose of this role is to join an already experienced (but small) team of Developers to embark … .NET apps, as well as maintaining the existing platform and doing BAU work. My client is looking for Developers with SOME the following: C#, .NET 8+, Framework 4.8 (what they currently use) Blazor, ASP.NET, MVC and Web API MS SQL Server RESTful web services Entity Framework Linux hosting environments ...

Senior Developer - Full-Stack C#, .NET, React, Azure

Hiring Organisation
Akkodis
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £80,000 per annum
Senior Developer - Full-Stack (C#, .NET, React, Azure) Location: Hybrid - London (1 day per week/fortnight onsite)Salary: Competitive up to £80000 + Excellent BenefitsType: Permanent Are you an experienced Senior Developer with strong full-stack skills and a passion for modern cloud technologies … solving problems, collaborating effectively, and taking ownership of your work. You'll bring: Proven experience delivering digital products using agile methodologies. Strong expertise in C#, .NET, React and Azure. Additional skills across JavaScript, HTML/CSS and Azure PaaS (Functions, Logic Apps, Cosmos DB, App Service, Service Bus). ...

C# Full Stack Developer

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £70,000 per annum
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 ...

Senior C# Developer - Head of Core Platforms | Hedge Fund | London

Hiring Organisation
Undisclosed
Location
Slough, Berkshire, UK
Employment Type
Full-time
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 ...

C# Developer - 12 Month FTC

Hiring Organisation
Michael Page
Location
Brighton, East Sussex, United Kingdom
Employment Type
Permanent
Salary
£60000 - £63000/annum
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. ...

C# Developer - 12 Month FTC

Hiring Organisation
Michael Page Technology
Location
Brighton, East Sussex, England, United Kingdom
Employment Type
Contractor
Contract Rate
£60,000 - £63,000 per annum
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. ...

Lead C# Developer

Hiring Organisation
Michael Page
Location
Brighton, East Sussex, United Kingdom
Employment Type
Contract
Contract Rate
£640 - £646/day
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 ...

Lead C# Developer

Hiring Organisation
Michael Page Technology
Location
Brighton, East Sussex, England, United Kingdom
Employment Type
Temporary
Salary
£640 - £646 per day
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 ...

Quantitative Developer - C# and React | Systematic Trading

Hiring Organisation
NJF Global Holdings Ltd
Location
Slough, Berkshire, UK
Employment Type
Full-time
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 ...

Software Developer - Trading Integration C#

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
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 ...

Testers, Solutions Architect, C# Developers, IT support

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Application Testers, Solutions Architect, C# Developers & IT support engineers London 6-month contracts Hybrid working - 3 days a week onsite Max Rate £415 per day via umbrella (no Flex) Are you passionate about making an impact in financial services? Do you have the technical skills and experience to enhance … teams to identify defects early, improve test coverage, and streamline the release process. The primary responsibility is to test applications, predominantly developed using MS.NET C# and backed by SQL Server or Oracle databases. Key tasks include understanding business requirements, creating test plans, writing and executing test cases, and performing ...

C#.Net Developers x 3 - Kent - To £50K

Hiring Organisation
Jump IT Recruitment Solutions Ltd
Location
Tunbridge Wells, Kent, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £50,000 per annum
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 ...

Front End Developer (React / WPF / C#)

Hiring Organisation
Cartisian Recruitment
Location
Farnborough, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£50000 - £70000/annum
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 ...