26 to 50 of 52 C# Developer Jobs in the UK

Web Developer (C#)

Hiring Organisation
X4 Technology
Location
Essex, England, United Kingdom
Role: Web Developer C# Salary: up to £60,000 (doe) Location 2 days a week in South Essex An opportunity has opened up for a creative, detail-oriented Web Developer to join a growing and forward-thinking InsurTech business. This role offers the chance … code using best practices Collaborating with designers, developers, and business stakeholders Building and integrating REST APIs Improving and enhancing existing platforms Core skills required: C#, ASP.NET/ASP.NET Core, MVC JavaScript, HTML, CSS, JSON, Bootstrap Experience with debugging, testing, and deploying web applications Understanding of web security principles (e.g. ...

C# Software Developer Energy Sector Experience Required!!

Hiring Organisation
Adria Solutions
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
GBP 65,000 Annual
C# Software Developer Energy Sector Experience Essential Are you a talented C# Software Developer with proven experience delivering software solutions within the energy sector? Our client, an established software group working across energy, AI, and technology-led industries, is looking for a strong C# Software Developer who can demonstrate a consistent track record of delivering complex, long-ter click apply for full job details ...

C# .Net Developer

Hiring Organisation
Pontoon
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£416 - £490/day
Join Our Amazing Banking Client as a C# .Net Developer! Location : Canary Wharf (hybrid) Contract Duration: Up to 2 years! Umbrella Rate : £400 - £490 Per Day (Based on experience) Interviews: ASAP, first interview is in person this is essential. Are you a passionate C# .Net Developer … heart of London. This is your chance to make a real impact in a thriving industry! What You'll Do: As our C# .Net Developer, you will play a crucial role in developing and maintaining applications that drive our business forward. Your responsibilities will include: Designing ...

Junior C# Quant Developer - Hybrid London (Mentorship & Impact)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Role: Junior C# Quantitative Developer Client: Leading Hedge Fund Compensation: Competitive Base + Performance Bonus Location: London (Hybrid) Overview Join a leading hedge fund where technology and mathematics drive every decision. We’re looking for a talented Junior Quantitative Developer to work alongside experienced quants … intersection of engineering and research, contributing to the development of mission-critical trading and analytical tools. Key responsibilities include: • Developing and maintaining high-performance C# applications used across research, risk management, and live trading. • Collaborating with quants to implement complex pricing models and robust backtesting frameworks. • Enhancing data processing ...

Senior C# Developer

Hiring Organisation
Avanti
Location
Slough, Berkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £80,000 per annum
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 ...

Senior C# Developer (Desktop - Web migration)

Hiring Organisation
Avanti Recruitment
Location
SL1, Slough, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£65000 - £80000/annum
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#)

Hiring Organisation
Ernest Gordon Recruitment Limited
Location
Northolt, London, United Kingdom
Employment Type
Permanent
Salary
£53000 - £58000/annum Hybrid + 1:30pm Finish on a Friday
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 … 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# Developer

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £490/day inside IR35
Global bank based in Canary Wharf. Role - C# Developer - Desktop Applications Duration - 6 months with likely extension Rate - £490 p/d (inside IR35) Location - Hybrid/Canary Wharf Tech Stack C# WPF Winforms Javascript SQL Oracle Tasks Tasks range from understanding business requirements, designing application ...

Senior Full Stack developer C# / React /Azure - Perm - hybrid

Hiring Organisation
INFUSED SOLUTIONS LIMITED
Location
Coventry, Warwickshire, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 Annual
Full Stack Developer (C#/React/Azure) Location: Coventry - Hybrid (2 days onsite per week) Salary: £60,000 - £70,000 Eligibility: Must be based in the UK - no visa sponsorship available About the Company Join a fast-moving digital team that's modernising enterprise systems ...

Full Stack Developer C# TypeScript AWS

Hiring Organisation
Client Server
Location
Sunderland, Tyne and Wear, UK
Full Stack Developer/Engineer (C# TypeScript AWS) Sunderland/WFH to £55k Opportunity to progress your career in a hands-on Full Stack Developer role at a at a growing games/gambling site, whilst enjoying a range of benefits and perks. … build captivating full stack web applications across all backend services and REST APIs that form the core platform e.g. payments. You'll be using C# .Net core through to TypeScript and Vue.js within an AWS cloud based environment with Docker, Terraform (IaC), TeamCity, SQL and Redis; you'll gain ...

Graduate / Junior Developer, Python, Linux, C#, Java - London

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £40,000 per annum
Graduate/Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate/Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate/Junior Developer) Since 2006 our client's revolutionary marketing software platform has been … that are relevant, helpful, and personalized. Having recently launched in the UK, they looking to hire Graduate/Junior Developer (Python, Linux, C#, Java)) to become a part of their ever-growing family. They believe that individual developers are in the best position to make decisions about ...

SC Cleared C# Developer

Hiring Organisation
VIQU IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - 700 per day + Inside IR35
Exciting opportunity to join a forward thinking team.... My client seeks an experienced SC Cleared C# developer who is familiar with data modelling concepts, with proven experience of tools supporting the development and version control process, e.g. Git and Jira, combined with Agile Methodologies and frameworks ...

Quant FX C# Developer – Hybrid London (6-Month)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
United Cerebral Palsy of Georgia is seeking a skilled C# Developer for a 6-month contract based in London with a hybrid work model. The role focuses on developing applications within the investment banking sector. Ideal candidates should have knowledge in Commodities FX Trading, quants, and experience ...

C#.Net Software Developer

Hiring Organisation
Exalto Consulting ltd
Location
Crewe, Cheshire, North West, United Kingdom
Employment Type
Permanent
Salary
£45,000
Software Developer (C#/.NET) Location: Crewe or Chester (2 days per week onsite) This is a chance to join a growing software team developing systems that sit at the heart of complex, real-world operations. The organisation specialises in building practical, reliable technology used daily … enhancing core applications, contributing to solutions that need to perform consistently under pressure and adapt as requirements evolve. Core experience required: Commercial experience using C# and the .NET framework (ideally .NET Core). Strong understanding of relational databases , particularly SQL Server. Experience working with or understanding of APIs ...

C# / C++ Developer

Hiring Organisation
Eames Consulting
Location
London Area, United Kingdom
C#/C++ Developer – FX Options (Contract) Join a leading investment bank working on FX Options deal capture and trading systems in a front-office aligned environment. You’ll be hands-on across development, production support, and platform enhancements. Strong C# and C++ and Front office ...

C# .NET Windows Forms Developer

Hiring Organisation
Albasoft Ltd
Location
Inverness, Scotland, United Kingdom
C# .NET Windows Forms Developer Albasoft: We’re a forward-thinking software team dedicated to building robust, user-focused applications that make a real difference to our NHS Scotland stakeholders and their patients. Our culture is rooted in collaboration, technical excellence, and continuous improvement. What you will … doing and the impact you will make: As one of our C#, .NET Windows Forms Developers, you’ll be at the heart of designing, developing, and maintaining high-quality applications that power critical business processes. Your expertise will help us deliver reliable, scalable solutions - whether it’s enhancing existing ...

Lead C# Developer

Hiring Organisation
Reed
Location
Sunderland, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £85,000 per annum
mature engineering environment Be part of a company that is actively investing in both technology and the North East Their wider tech stack includes... C#/.NET (Framework & Core), plus Node.js for some services TypeScript with Vue.js/React AWS (Lambda, ECS, S3, DynamoDB, RDS), Docker, Terraform, TeamCity, GitHub … Server, MySQL, PostgreSQL + Redis The right experience includes: C#/.NET, REST APIs, and AWS (cloud-native development) with Git-based workflows in agile environments Strong experience in SQL, data modelling, and caching (e.g. Redis) Proven delivery of scalable, distributed systems with clean code, TDD, and quality-first ...

C#/ C++ Developer

Hiring Organisation
Thomson Keene
Location
City of London, London, United Kingdom
Contract C#/C++ Developer (FXO Deal Capture) – London - Hybrid Role I’m working with a leading global bank looking to hire an C#/C++ Developer to join their front-to-back FX platform in London. This role sits within a core … complex system behaviour Contributing to releases, testing, and system improvements Helping to evolve core FX trading infrastructure Tech/Skills Required Strong experience with C# and C++ Familiarity with IIS/distributed systems environments Strong analytical and problem-solving skills Ability to work across development, analysis, and support Domain ...

Senior C# Developer FX Options Risk

Hiring Organisation
Reed
Location
Central London, London, England, United Kingdom
Employment Type
Temporary
Salary
£900 - £925 per day, Inc benefits
highly skilled Pricing Services and Risk Viewer UI Developer to join our dynamic team. This senior software development position requires excellent C# and TypeScript/React skills, a strong knowledge of pricing models, quant libraries and risk analytics for both vanilla and exotic FX derivatives. The successful … Contribute to the continuous improvement of coding standards, testing frameworks, and development practices. Required Skills & Qualifications: substantial experience in software development. Highly experienced in C#, TypeScript/React, and Quant Library integration. Solid understanding of mathematics as applied to derivatives risk and pricing. Excellent written and verbal communication skills ...

Senior Full Stack Developer (React & C#.NET)

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Title: Senior Full Stack Developer (React & Java script) Contract Length: 12 Months Location: London - 3 Days a week Daily Rate: Circa £650/Day (Inside IR35) About the Role Join our dynamic team as a Senior Full Stack Developer, where your expertise in React …/TypeScript, Redux/RTK, and modern UI patterns, develop framework is essential - More to React JS and Java script Back-end: Expertise in C# .NET Core, REST APIs, and microservices-based development is essential Python (pyspark): Experience with data pipelines and analytics is a plus. Power BI: Familiarity ...

C#/.NET Developer - Repo and Fixed income Trading Systems

Hiring Organisation
cer Financial Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£514 - £920 per day
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 ...

Senior C# / React Developer - Energy Trading - London

Hiring Organisation
Options Group
Location
London Area, United Kingdom
Working for a major energy trader (Oil, Power, Gas, Renewables) we are recruiting a Senior C#/React Developer with a background in financial services/trading systems/trading tools. The Role As a member of a skilled global team of software engineers, you will play … developing new trading tool/solutions. The customers are Traders, Analysts, Researchers and Data Scientists. Essential Skills: 3 -5 years of experience working with C# and related .NET technologies Experience with RDBMS and SQL (Oracle, SQL Server, PostgreSQL) 2 - 3 years commercial experience with React Experience working ...

Senior C# Developer (Contract) - Front Office Engineering | Hedge Fund

Hiring Organisation
Undisclosed
Location
London Area, United Kingdom
major initiative to unify and expand their core systems, bringing more of this capability in‐house. They are in search for senior C# developers to work on a contract basis. This will initially be a 12 month contract. This role will be to work as part of a large … engineering project to develop and consolidate systems, write software and have a direct impact on 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. Candidate Profile ...

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

Hiring Organisation
Undisclosed
Location
City of London, London, United Kingdom
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 - Front Office Engineering | Hedge Fund - London

Hiring Organisation
Undisclosed
Location
City of London, London, United Kingdom
with pragmatic, commercial solutions. You’ll have direct interaction with PMs, quants, and the CTO, contributing across design, architecture, and production support. Tech Environment C# and .NET are central to the team’s core systems Python is widely used across quant and data groups Open to candidates from other … essential, but interest in Fixed Income/Rates is beneficial Requirements Strong academic background in Computer Science or related field Excellent programming ability in C# and .NET Experience with large or complex data sets 1–5 years’ experience in a software engineering role Interest in finance; exposure to fixed ...