1 to 25 of 26 Permanent C# Developer Jobs in England

C# Developer | C#, .NET, Azure, Microservices | FinTech | Paying up to £800 p/day | Inside IR35 | 2 days onsite p/week | London | 6 Months Rolling We’re working with a FinTech company in the FX space that’s looking to scale their data infrastructure across … visibility and long-term strategic value, offering the chance to work on modern, event-driven architecture at scale. They’re looking for a Senior C# Engineer who can hit the ground running - someone who’s hands-on with C#, .NET, Azure , and Microservices ( CosmosDB, Event Hub, Functions ...

Developer C# .NET East Grinstead, West Sussex Hybrid working - 2-3 day WFH Developer C# .NET needed for a leading organisation based in East Grinstead who are looking to employ an experienced Developer with an in-depth knowledge of C#, ASP.NET … JavaScript, HTML, CSS jQuery, XML/JSON * S alary: £52,000 per annum Some of the main duties of the Developer C# .NET will include: * Produce software solutions from project specifications * Development and the provision of appropriate documentations for allocated products and projects. * Projects must also ...

Lead C# Developer/Backend Software Engineer (C# .Net) Newcastle onsite to £150k Do you have expertise with backend C# combined with strong technical leadership skills? You could be joining a well-funded Fintech scale-up that is establishing a technical centre of excellence … North East. As a Lead C# Developer/Backend Software Engineer you'll design and implement the logic behind core applications, build APIs and microservices that handle data processing, business rules and third-party integrations and oversee the configuration and upkeep of secure, reliable server environments. ...

Lead Software Developer (C# .NET/Azure) – Sheffield Our client based in Sheffield is seeking an experienced Lead Software Developer to join their growing engineering team. This is an excellent opportunity for a senior technologist who combines hands-on software development expertise with strong technical … developers, and ensuring the successful delivery of high-quality software solutions. Key Responsibilities Lead the design, development, and delivery of scalable backend services using C# and the latest .NET technologies (.NET 8, ASP.NET Core) Define and influence software architecture, technical standards, and development best practices across the engineering team ...

Lead C# Developer/Backend Software Engineer (C# .Net) Newcastle onsite to £150k Do you have expertise with backend C# combined with strong technical leadership skills? You could be joining a well-funded Fintech scale-up that is establishing a technical centre of excellence … North East. As a Lead C# Developer/Backend Software Engineer you'll design and implement the logic behind core applica click apply for full job details ...

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# … able to demonstrate delivery across enterprise-scale or business-critical platforms. Key Responsibilities Develop, maintain, and enhance applications using ASP.NET MVC and C# Deliver scalable, secure, cloud-based solutions within energy-focused environments Work with Postgres and Azure SQL to optimise database performance and structure Build and maintain serverless ...

Full-Stack C# Developer (Integration Focus) 📍 Location: Telford/Hybrid 🕒 Type: Full-Time | Permanent 💼 Division: Luceco Group 💰 Salary: £55,000 – 65,000 (DOE) + 10% Bonus 🩺 Benefits: Pension plan, Private Health Care, SIPS, staff discounts & more 🔗 Tired of fixing integrations that should have been built properly … Luceco , you won’t just patch systems... 👉 You’ll build them the right way from the start . We’re hiring a Full-Stack C# Developer (Integration Focus) to design and deliver smart, scalable integrations across our ERP, APIs, and business platforms. This is more than just ...

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 ...

C# Developer - Global Investment Management Firm Central London (3 days onsite/2 days remote) I'm partnering with a leading multinational investment management firm seeking a strong C# Developer to join a high-performing engineering team delivering business-critical platforms. This role requires … distributed applications Enhancing systems that model financial positions, transactions and flows Driving projects from inception through design, build, testing and release Core requirements: Strong C#/.NET development experience Advanced SQL skills (performance tuning, complex queries, data modelling) Azure cloud experience (App Services, Functions, Service Bus, DevOps etc.) Experience ...

C# Developer Location: London, Hybrid position 50% in officeKey Responsibilities * Software development and maintenance of sales tools applications, components and utilities. * Participate in an agile based software development life-cycle including analysis, documentation, development, testing and code reviews. * Interact with our business sponsors who are working … software development experience or equivalent. * Excellent communication skills, both written and oral, inside and outside the team. * Solid experience with client or server-side C# development. * Solid experience with web-based applications and restful APIs. * Solid experience with relational databases and SQL knowledge. * An ability to design performant software ...

C# Developer Location: London, Hybrid position 50% in office Key Responsibilities • Software development and maintenance of sales tools applications, components and utilities. • Participate in an agile based software development life-cycle including analysis, documentation, development, testing and code reviews. • Interact with our business sponsors who are working … software development experience or equivalent. • Excellent communication skills, both written and oral, inside and outside the team. • Solid experience with client or server-side C# development. • Solid experience with web-based applications and restful APIs. • Solid experience with relational databases and SQL knowledge. • An ability to design performant software ...

gameplay ideas quickly, validate mechanics, and iterate based on player behaviour and data. You will implement core features and systems in Unity using C#, improve performance, fix bugs, and keep the codebase maintainable. You will help establish asset and development pipelines so the team can build content smoothly … mini game logic where needed. Key responsibilities Rapid prototyping of mobile game concepts and gameplay loops Feature implementation in Unity with clean, high performance C# Iterating from user engagement and monetisation data where applicable Integrating advertising SDKs and analytics tools for measurement Establishing content pipelines, maintaining the project structure ...

Title: C# Developer 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 of the highest-regarded talent around! This team … 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: 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. ...

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 ...

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 – 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 ...

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 ...

delivering integrated and innovative solutions across a large organisation employing thousands of people across the UK. We are seeking an experienced Senior Azure Developer to play a key role in the design, development, and delivery of modern cloud-based solutions across the business. This is an exciting opportunity … enterprise-grade applications and integrations that support critical business operations and infrastructure projects. You will work across a modern Azure environment, utilising technologies including C#, Azure Functions, Logic Apps, Service Bus, API Management, Key Vault, Storage Accounts, Front Door/Application Gateway, Infrastructure as Code, and CI/ ...

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 ...

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 ...

Software Developer x 2 - C#/.Net/Angular - Up to £55k An award-winning software house requires a number of C#/ASP.Net Software Developers to join its innovative and growing software delivery team. Suitable candidates will be responsible for translating project requirements into functional … Developers, BAs and Testers, focussing on quality and good development practice throughout the development lifecycle. The successful candidates will have the following technical skills: C#/ASP.NET/SQL Angular Exposure to Azure or AWS useful. Coupled with the following: Proven experience of delivering quality software solutions within ...

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 ...

delivering integrated and innovative solutions across a large organisation employing thousands of people across the UK. We are seeking an experienced Senior Azure Developer to play a key role in the design, development, and delivery of modern cloud-based solutions across the business click apply for full ...