1 to 25 of 31 Permanent C# Developer Jobs in the UK

Senior C# Developer/Software Engineer (C# .Net Core AWS) Sunderland/WFH to £75k Do you have strong C# .Net Core backend development skills? You could be progressing your career in a senior, hands-on C# Developer role at a growing … games/gambling site, whilst enjoying a range of benefits and perks. As a Senior C# Developer within the customer onboarding team you will help shape the player onboarding and registration journeys, including KYC and identity verifications. You'll design and develop backend features that interact with ...

Senior C# Developer/Software Engineer (C# .Net) London onsite to £150k Opportunity to progress your career in a senior, hands-on C# Developer role at a global Asset Manager with c$3 million under management. As a Senior C# Developer … strategy team on Greenfield projects which you'll take ownership of and will see the business impact of. There's a focus on C# .Net backend and API development although you'll also have elements of front end work with JavaScript and React.js. Location: You'll be based ...

Senior C# Developer Warrington Our client, an innovative technology company based in Warrington, creating cutting-edge solutions that combine enterprise software, security, and AI capabilities. Our clients projects span multiple industries, and we pride ourselves on delivering robust, scalable applications while staying at the forefront of emerging … technologies. They are now looking for a Senior C# Developer to join our growing team. This is an exciting opportunity to work on challenging projects, influence architecture decisions, and help shape the future of our software solutions. What Youll Do Design, develop, and maintain high-quality C# ...

Senior C# Developer (React/Regulatory Reporting) | Belfast, Hybrid £85k ❗Note: This role DOES NOT provide VISA Sponsorship❗ Our client is a leading financial services firm, currently looking to bring new ideas, energy, and innovation into their Regulatory Reporting Technology team based in Belfast. 💡As a Senior … C# Developer , you will join a high-performing team responsible for building and enhancing regulatory reporting platforms that support critical front-to-back office functions. You will play a key role in delivering scalable, high-performance systems used for regulatory and client reporting across the business. ...

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 ...

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 (SC Cleared) Location: London (Hybrid – 2–3 days per week onsite) Security Clearance: Active SC Clearance required (transferable accepted) Overview We are seeking a Junior/Mid-Level C# Developer to join a secure delivery team supporting a live technical environment during … Product and Development teams to investigate and resolve defects Support delivery of software releases, ensuring quality and timeliness Debug and support applications built in C# and .NET Write and execute SQL queries to investigate data and application issues Support incident response, troubleshooting, and root cause analysis Work within ...

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 …/CD tools Develop and maintain RESTful APIs and web applications Support continuous improvement by researching new tools and methods Core Tech Stack: Backend: C#, .NET Core, REST APIs Frontend: ReactJS, JavaScript, Blazor, HTML, CSS Cloud & DevOps: Azure, Azure DevOps, GIT Database: PostgreSQL/SQL Containerisation: Docker, Kubernetes (nice ...

C# Developer – Fixed Income Options London | Hybrid | Leading Options Market Maker A leading global options market maker is expanding its Fixed Income Trading team in London and is seeking a junior to mid-level C# Developer to join a high-impact, front-office engineering … enhance trading tools and systems that support pricing, execution, and research across fixed income options markets. About this role: Develop and enhance high-performance C# trading applications used by front-office teams Collaborate closely with traders and quantitative researchers to enable new trading strategies Build scalable, low-latency systems ...

Exciting Contract or Perm opportunity for a C# Developer with previous experience using Deltix by EPAM. You will be an experienced C# Developer and have demonstrated experience within a trading environment. Essential Requirements • Proven expertise in C# and the .NET framework, with hands … continuous learning and innovation, keeping pace with emerging trends and evolving industry best practices • Take ownership of early-stage product concepts built in C# and .NET, driving them through to production in close collaboration with the wider team • Engage confidently and directly with business stakeholders and end-users ...

C# Senior Software Developer - Onsite My client is seeking a talented C# Senior Software Developer to join their Preston-based team. This role offers an exciting opportunity to lead projects, mentor junior developers, and work on high-impact, secure banking solutions. You will … infrastructure, and QA teams for portal and API releases Participate in code reviews, version control, and CI/CD deployment workflows Required Technical Skills C# (strong proficiency) ASP.NET MVC or .NET Core Web API MVC concepts: Routing, Controllers, Filters, Middleware, Model Binding, Dependency Injection Entity Framework Core (DbContext, DbSet ...

seeking a Senior Microsoft .NET/C# Developer with 8+ years of hands-on experience building and supporting high-quality applications. This role requires a strong communicator who can work independently while collaborating effectively with multiple cross-functional technical teams. **Key Requirements** - 8+ years of hands … development experience with Microsoft .NET (Framework 4.7.2+ and Core) and C# - Experience in developing ASP.NET websites, web services and background jobs/services, parallel processing - Experience of latest Windows environments - 8+ years practical experience of Microsoft SQL Server - Excellent written and verbal communication skills - Proven ability to work independently ...

Software Developer (C#/.NET/MAUI) – Southampton, Hampshire Are you a C#/.NET Software Developer looking for a role where you can build real-world products that make an impact? This is an exciting chance to join a specialist engineering team developing … take ownership while working on challenging projects. What you’ll be doing: Designing, developing, and maintaining Android, PC, and cloud-based applications Using C#, .NET, and .NET MAUI to create intuitive and reliable software Collaborating with R&D and UX/UI teams to deliver new features and improvements ...

Senior C# Developer Warrington Our client, an innovative technology company based in Warrington, creating cutting-edge solutions that combine enterprise software, security, and AI capabilities. Our clients projects span multiple industries, and we pride ourselves on delivering robust, scalable applications while staying at the forefront of emerging ...

looking for a skilled Senior C# Developer who is keen to move into a leadership position over time. This is a truly exciting opportunity perfect for someone with a solid technical background who is motivated to step into a Team Lead role, developing their leadership skills through … learn from the current Team Lead Create and manage internal NuGet packages Requirements for the role: At least 4 years of commercial experience in C# development Experience developing .NET 6+ Web APIs Strong understanding of microservices architecture Experience with Angular or similar front-end frameworks Experience using ORM tools ...

C# Senior Software Developer - Onsite My client is seeking a talented C# Senior Software Developer to join their Preston-based team. This role offers an exciting opportunity to lead projects, mentor junior developers, and work on high-impact, secure banking solutions. You will ...

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/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 (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 ...

Senior C# .NET Front Office Developer | Pricing & Risk Analytics | £150k | Front Office Location: London (Central) Working Pattern: Hybrid (3 Days Office/2 Days Remote) Sector: Global Financial Services – High-Performance Analytics Salary: Up to £150,000 + Bonus + Benefits The Mission: Architecting High-Performance Risk … Engines Our client is seeking a Senior C# .NET Software Engineer to join their Analytics Development team, a group at the intersection of high-scale technology and quantitative finance. This is an opportunity to lead the design of advanced pricing and risk platforms, including a high-performance distributed computing ...

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 … 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 ...

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 ...

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 ...

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 ...

their growing development team on a permanent basis. This role is ideal for someone who already has 2-3 years commercial experience with C# and .NET Core and is looking to take the next step in a collaborative, forward-thinking environment. Responsibilities: Build, test, and deploy scalable applications using … C# and .NET Core. Write clean, well-structured, and maintainable code following best practices. Take part in code reviews and share constructive feedback with the team. Investigate and fix issues, improving performance where needed. Keep up to date with new technologies and industry trends to ensure solutions remain modern ...