1 to 25 of 119 Permanent C# Developer Jobs in England

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 on 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 an AWS environment, but also with exposure across the full technology stack in a modern development environment with … scratch. Location/WFH: You'll join colleagues in the London office Monday to Wednesday with flexibility to work from home Thursday and Friday. About you: You have strong C# .Net Core backend development experience You have a good knowledge of microservices and Cloud (AWS or Azure) experience, ideally, you'll have some experience with Docker/Kubernetes, EKS More ❯

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 the web front end (TypeScript, Vue.js) and migrate code from .Net MVC to .Net Core, ensuring it's reliable, scalable … offices in Sunderland with a range of facilities and perks including free meals at the onsite restaurant as well as membership at onsite gym. About you: You have strong C# .Net Core backend development experience You have experience of building scalable, reliable and secure web applications using modern techniques You have experience of implementing frontend applications You have a More ❯

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 within the trading engine team you'll collaborate to … ll often be collaborating with he 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 in plush City office on … a fulltime basis, Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management More ❯

C# Developer – Software Developer – Preston Keywords: C#, .Net, ASP.Net, SQL Server, HTML, JavaScript, MVC, TDD, Agile, Scrum Location: Preston, Lancashire - commute from Chorley, Blackpool, BlackburnJoin a forward-thinking software development team in Preston, Lancashire as a C# Developer , contributing to a suite of innovative products in a dynamic Agile/Scrum … is a fantastic opportunity to grow your career within a well-established company offering a clearly defined progression path and a competitive benefits package. About the Role : As a C# Software Developer , you'll play a key role in the full software development lifecycle, from initial design and architecture through to implementation and delivery. Working within a … collaborative Agile team, you'll contribute to building scalable, maintainable solutions using the latest technologies. Key Responsibilities: Develop and maintain applications using C# and ASP.Net Core Build and consume RESTful services Work collaboratively in Agile/Scrum teams Ensure adherence to established coding standards Contribute to continuous improvement of software development processes Required Skills & Experience: Commercial experience in C# More ❯

Senior C# Developer/Backend Software Engineer (C# .Net Core) *Newcastle onsite* to £130k+ Are you a backend focused C# Developer with a strong academic background, looking to take the next step in your career? This is an opportunity to work on complex, high-impact systems at a growing FinTech scale-up with … Bupa healthcare Generous pension contribution Continuous career development opportunities Social team atmosphere with a range of events and early finish for drinks on Fridays Your role: As a Senior C# Developer you will collaborate with a small, talented team to deliver the core platform within a Microsoft environment using the latest versions of C# .Net to … Group university, backed by A's at A-level You're a technologist who enjoys collaborating and problem solving, working on complex, distributed systems You have expertise with modern C# .Net Core, Python skills would also be of benefit You have a strong knowledge of modern software engineering best practices and have experience across the full software development lifecycle More ❯

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 in the North East. As a Lead C# Developer … similar technical discipline from a top tier/Russel Group university, backed by A's at A-level You have strong technical leadership skills You have expertise with modern C# .Net Core, Python skills would also be of benefit (will also consider other OO languages e.g. C++, Java) You have a strong knowledge of modern software engineering best practices … Design Patterns, Algorithms You're excited to join a scaling company in a role that you can shape and influence What's in it for you: As a Lead C# Developer/Backend Software Engineer you will receive a competitive package: Salary to £150k + Bonus 25 days holiday Bupa healthcare Generous pension contribution Continuous career development More ❯

C# Developer/Full Stack Engineer (.Net Core JavaScript) St Albans/WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets with a flat structure … where you will get your voice heard and can make a real impact on the bottom line, earning significant bonuses. As a C# Developer you'll join an Agile development team to design and develop new features and enhancements to complex Payments and client systems within a microservices environment (300 services). You'll be working with … a modern tech stack using C# .Net Core, AWS, Kubernetes, Kafka, Redis and TypeScript/Angular; using the right tool for the job, you'll be able to pick up new technologies and make recommendations for improvements. WFH Policy: You'll join colleagues in St. Albans, Hertfordshire (parking available), 10 minute walk from local station, with the flexibility to More ❯

Looking to excel your career in a start-up environment? C# Developer – VC-backed Cloud Security 💰 Salary up to £120k + equity 📍 London 5 days in office 🌎 Visa sponsorship available We have recently partnered with a rapidly growing VC-backed startup who develop technology to identify and minimize the effect of security incidents, with the aim of … to minutes. Their solution is built for rapid deployment and ease of use, enabling organisations to handle threats far more effectively. They are now on the hunt for a C# Developer to work on the system that platform processes billions of events every week, powered by modern cloud infrastructure and innovative methods. 👀 Experience required as a C# Developer: Russell Group university 1st Class Degree in Computer Science (or related – Maths, Physics, Engineering) 2-6 years experience in C# (also open to Python & Go engineers) Strong computer science fundamentals End-to-end project experience (from design, to build, to deployment) 💡 What you’ll do: Write clean, scalable code in C# Drive innovation using More ❯

Looking to excel your career in a start-up environment? C# Developer – VC-backed Cloud Security 💰 Salary up to £120k + equity 📍 London 5 days in office 🌎 Visa sponsorship available We have recently partnered with a rapidly growing VC-backed startup who develop technology to identify and minimize the effect of security incidents, with the aim of … to minutes. Their solution is built for rapid deployment and ease of use, enabling organisations to handle threats far more effectively. They are now on the hunt for a C# Developer to work on the system that platform processes billions of events every week, powered by modern cloud infrastructure and innovative methods. 👀 Experience required as a C# Developer: Russell Group university 1st Class Degree in Computer Science (or related – Maths, Physics, Engineering) 2-6 years experience in C# (also open to Python & Go engineers) Strong computer science fundamentals End-to-end project experience (from design, to build, to deployment) 💡 What you’ll do: Write clean, scalable code in C# Drive innovation using More ❯

C# Developer - .NetCore, C# C# .NET Developer to write clean reliable code. Core Web API development needed for an excellent, fast paced, innovative tech driven client. Working on real-time payment software you will be working on exciting tech electric vehicle software and joining a small professional, highly talented SW dev team. Expertise … in C# .NET. It would be preferencial to have some microservices, DevOps working in a clopud AWS environment with exposure to Kubernetes, CI/CD, Containerisation, pipelines, deployment. Writing functioning code, crafting solutions, with the following tech stack: C# development .NET Core Web API development ORM - Linq2DB, Entity framework Core .Net5 Docker, CI/CD Git Agile Coding … and programming in C# and .NetCore, .Net5+ developing new features into micro services code base. Writing and documenting services to integrate to and consumer external APIs whilst maintain existing systems which are web, microservices. You will be involved writing Nuget packages, developing unit and integration tests, performing code reviews, and debugging systems! Working in an Agile software development environment More ❯

Senior C# Developer/Software Engineer (.Net Core React AWS) Sunderland/WFH to £70k Opportunity to progress your career in a senior, hands-on role at a at a growing games/gambling site, whilst enjoying a range of benefits and perks. What's in it for you: Competitive salary to £70k + quarterly bonus Holiday … drinks Free inner city parking Free tickets to EFL matches Hybrid working (x3 days a week office) Family friendly policies Social events and more! Your role: As a Senior C# Developer within the Platform team you'll build real-time payment systems and integrations that handle large volumes of transactions. You'll have a focus on backend … C# .Net core but will have exposure across the full tech stack through to JavaScript/React within an AWS cloud based environment with Docker, Terraform (IaC), TeamCity, SQL and Redis; you'll gain exposure to a wide range of technology and will be able to input into technical discussions within a collaborative Agile team. Location/WFH: There More ❯

per week in the Shropshire office (must be UK-based) Salary: £50,000 – £55,000 per annum + benefits Requirements for Software Developer: Strong commercial experience in C# and .NET Skilled in SQL Server – database design, development, and optimisation Experience with Angular, HTML, CSS, and TypeScript Ability to work with Web API web services Awareness of security … address has been removed by the job board, full contact details are available on our website). Keywords: Software Developer/Full Stack Developer/C# Developer/.NET Developer/Application Developer/Web Developer/Backend Developer/Frontend Developer/… Systems Developer/API Engineer/C#/.NET/SQL Server/Angular/HTML/CSS/TypeScript/Web API/Azure/ASP.NET MVC/WinForms/WPF/OWASP/Computer Science/Software Engineering/Information Technology/Mathematics/Physics/Engineering More ❯

C# Developer - Hybrid in Kingston upon Thames - Inside IR35 - 12 months We are seeking an experienced SC Cleared C# Developer to join a leading international organisation on a long-term programme of work. This role, based in Kingston upon Thames, offers an opportunity to contribute to the design, development, and optimisation of high-performance … solutions throughout the full software development lifecycle - from requirements analysis and design through to development, testing, deployment, and maintenance. You'll be expected to bring deep technical expertise in C#, .NET, and modern development practices, along with strong communication skills and a structured, delivery-focused mindset. Key Responsibilities: Develop, and maintain applications using C#, .NET 6/… and maintainable code that adheres to established coding standards and design principles (SOLID, OOP). What You Will Ideally Bring: 5+ years of professional experience in software development using C# and .NET (Core or Framework). Strong understanding of the software development lifecycle (SDLC) and Agile methodologies. Proficiency with Jira for sprint planning, task tracking, and project management. Experience More ❯

C# Developer Hybrid (Hessle, East Yorkshire) £35,000 to £40,000 with ongoing professional development Join a forward-thinking digital agency where technical innovation meets commercial creativity. You will sit within a close-knit development team, building the systems and integrations that power a fast-growing portfolio of eCommerce and marketing clients. This is a hands-on … C# role with plenty of opportunity to broaden your technical skills, including work with APIs, cloud integrations, and modern eCommerce platforms. The role and what you will be doing Develop and maintain robust backend systems and APIs using C#/.NET Core Build data integrations between storefronts, CRMs, ERPs and marketing platforms Contribute to new feature builds, focusing … issues, and drive continuous improvement Work on a mix of internal tools and client-facing projects with real commercial impact What We Are Looking For Proven commercial experience with C#/.NET Core Understanding of RESTful APIs and relational databases such as SQL Server or PostgreSQL Familiarity with Git and modern development workflows Strong analytical mindset and collaborative approach More ❯

C# Developer Hybrid (Hessle, East Yorkshire) £35,000 to £40,000 with ongoing professional development Join a forward-thinking digital agency where technical innovation meets commercial creativity. You will sit within a close-knit development team, building the systems and integrations that power a fast-growing portfolio of eCommerce and marketing clients. This is a hands-on … C# role with plenty of opportunity to broaden your technical skills, including work with APIs, cloud integrations, and modern eCommerce platforms. The role and what you will be doing Develop and maintain robust backend systems and APIs using C#/.NET Core Build data integrations between storefronts, CRMs, ERPs and marketing platforms Contribute to new feature builds, focusing … issues, and drive continuous improvement Work on a mix of internal tools and client-facing projects with real commercial impact What We Are Looking For Proven commercial experience with C#/.NET Core Understanding of RESTful APIs and relational databases such as SQL Server or PostgreSQL Familiarity with Git and modern development workflows Strong analytical mindset and collaborative approach More ❯

Are you an experienced C# Software Developer with strong skills in C# and SQL Server? Looking for a new challenge within a global technology leader on the Isle of Wight that values innovation, collaboration, and professional growth? If so, we'd love to hear from you! An exciting opportunity has arisen for an experienced C# … based in the Isle of Wight to play a key role in designing, developing, and implementing high-quality, responsive software applications that meet customer needs. Key Responsibilities for the C# Software Developer Collaborate with project managers to deliver high-quality software projects Create and review requirements, functional, and design specifications for complex software solutions Develop, modify, and … Produce technical estimates and architectural input for proposals Key Requirements Qualification in Computer Science, Information Technology, or a related field 3+ years' experience full stack development experience in a C# software environment Strong experience developing complex applications using C# and SQL Server Proficient in HTML5, CSS3, JavaScript/TypeScript Experience in creating functional and design specifications Strong understanding More ❯

C# Developer | Energy Trading | ETRM | OpenLink Endur | Hybrid (London) | £800/Day Inside IR35 | 6-Month Rolling Contract We’re working with a major energy and commodities trading house undergoing a large-scale technical transformation across their Power & Gas trading desks . As trade volumes increase, the business is investing heavily in system integration to enhance performance … a high-impact integration project , focused on improving how data moves from Olympus ETRM into OpenLink Endur , ultimately boosting trading capabilities. 🧩 The Role We're looking for three experienced C# Developers with strong back-end skills and a background in Energy or Commodities Trading . This project demands hands-on experience in trading systems, ideally with ETRM/CTRM … exposure - OpenLink Endur or Orchestrade 🧠 What You’ll Bring Solid C# back-end development experience Experience with ASP.NET Background in Energy Trading or Commodities Hands-on experience with ETRM/CTRM platforms - OpenLink Endur or Orchestrade Bonus: Previous experience on integration projects involving Olympus and/or OpenLink Endur 💼 Contract Details 3 days/week onsite in London (hybrid More ❯

C# Developer | Energy Trading | ETRM | OpenLink Endur | Hybrid (London) | £800/Day Inside IR35 | 6-Month Rolling Contract We’re working with a major energy and commodities trading house undergoing a large-scale technical transformation across their Power & Gas trading desks . As trade volumes increase, the business is investing heavily in system integration to enhance performance … a high-impact integration project , focused on improving how data moves from Olympus ETRM into OpenLink Endur , ultimately boosting trading capabilities. 🧩 The Role We're looking for three experienced C# Developers with strong back-end skills and a background in Energy or Commodities Trading . This project demands hands-on experience in trading systems, ideally with ETRM/CTRM … exposure - OpenLink Endur or Orchestrade 🧠 What You’ll Bring Solid C# back-end development experience Experience with ASP.NET Background in Energy Trading or Commodities Hands-on experience with ETRM/CTRM platforms - OpenLink Endur or Orchestrade Bonus: Previous experience on integration projects involving Olympus and/or OpenLink Endur 💼 Contract Details 3 days/week onsite in London (hybrid More ❯

C# Developer/Embedded Software Engineer Role: Due to an increase in software development demand across a number of projects we have an opportunity for a software engineer. This role will involve working within the Devices Team, and within a Scrum team developing application software for ticketing devices Responsibilities: Designing, coding and testing of a microservice-based … of specifications and requirements into software development backlogs Write effective documentation and test processes Resolve technical issues arising during the project lifecycle and after release Essential Experience: 1+ years C#/.NET Software Development using a Visual Studio/Rider IDE. Knowledge or Experience in developing REST/RESTful interfaces. Agile experience including Scrum, Kanban, agile mindset. Knowledge/… would be an advantage: Transport Ticketing. Point of Sale Terminals. Contactless Smartcards, ITSO. Contactless Payments and Payments Standards (cEMV, PCI). Internet Security and protocols – e.g. OWASP, OAuth2, OpenID. C# Developer/Embedded Software Engineer More ❯

Software Developer (C#/Desktop Applications) Stoke-on-Trent (Hybrid) £40,000 - £55,000 + Bonus We’re looking for a C# .NET Developer with experience building Windows desktop applications using WPF or WinForms, for a large technology business in Stoke-on-Trent. You’ll be joining a small, collaborative team working on complex … of programming desktop applications commercially. An understanding of microservices or real-time data handling would be useful. Keywords: Application Developer, Software Engineer, Programmer, .NET Developer, c#, Backend development, SQL Server, API, microservices, Stoke-on-Trent, Staffordshire, Midlands, Cannock, Stafford, Crewe. More ❯

Full Stack Developer - C#, .NET Gillingham, Kent Hybrid Working Full Stack Developer needed for a leading organisation based in Gillingham, Kent, who are looking to employ an experienced Full Stack Developer with an in-depth knowledge of C#, .NET, JavaScript, HTML, CSS, SQL, Azure/AWS, and Agile Seeking an experienced C# … Career Progression * Hybrid working * Flexible working hours Some of the main duties of the Full Stack Developer will include: * Design, develop, maintain, and deploy complex solutions using C#, .NET, JavaScript, Azure/AWS, SQL* Solve difficult technical problems, to adopt and evolve strong automation and process to safeguard process and quality* Create services and reporting that helps … the successful Full Stack Developer and have a chance to gain such an exciting opportunity you will ideally need to have the following: * Full Stack software Development* C#, .NET, JavaScript, HTML, CSS, SQL* Cloud experience: Azure/AWS* Agile* Have a proven track record of taking projects from the ground to reality alone and as part of More ❯

to £40,000 with ongoing professional development Hybrid (Hessle, East Yorkshire) A collaborative and ambitious culture that values curiosity and innovation C# Developer Hybrid (Hessle, East Yorkshire) £35,000 to £40,000 with ongoing professional developmentJoin a forward-thinking digital agency where technical innovation meets commercial creativity. You will sit within a close-knit development team, building … the systems and integrations that power a fast-growing portfolio of eCommerce and marketing clients.This is a hands-on C# role with plenty of opportunity to broaden your technical skills, including work with APIs, cloud integrations, and modern eCommerce platforms. The role and what you will be doing Develop and maintain robust backend systems and APIs using C# … issues, and drive continuous improvement Work on a mix of internal tools and client-facing projects with real commercial impact What We Are Looking For Proven commercial experience with C#/.NET Core Understanding of RESTful APIs and relational databases such as SQL Server or PostgreSQL Familiarity with Git and modern development workflows Strong analytical mindset and collaborative approach More ❯

C# Developer (.Net) Location: Canary Wharf Hybrid: 3 days onsite per week Rate: £415 per day (Inside IR35) Duration: 6 months initial contract with potential extension up to 2 years with a Permanent conversion option Positions Available: 13 positions Industry: Financial services Interview Process: 2 rounds of interview - Face-to-face interview only, and Technical assessment - Home … behalf of our client, a leading financial services company, within their Business Intelligence development team. The role focuses on developing and supporting business applications using the MS .NET platform (C#, Visual Studio) and working with both Oracle and SQL Server databases. You’ll be joining a collaborative team that delivers key business solutions across various environments. Key Responsibilities: Design … develop, and maintain business applications using Visual C# .NET with Oracle and SQL Server databases Provide ongoing support for existing C# and .NET applications, including troubleshooting and implementing solutions Write and optimise T-SQL and PL/SQL scripts for data analysis and reporting requirements Collaborate with Database Administrators, Technical Support, and Infrastructure teams across London and New More ❯

C# Developer (.Net) Location: Canary Wharf Hybrid: 3 days onsite per week Rate: £415 per day (Inside IR35) Duration: 6 months initial contract with potential extension up to 2 years with a Permanent conversion option Positions Available: 13 positions Industry: Financial services Interview Process: 2 rounds of interview - Face-to-face interview only, and Technical assessment - Home … behalf of our client, a leading financial services company, within their Business Intelligence development team. The role focuses on developing and supporting business applications using the MS .NET platform (C#, Visual Studio) and working with both Oracle and SQL Server databases. You’ll be joining a collaborative team that delivers key business solutions across various environments. Key Responsibilities: Design … develop, and maintain business applications using Visual C# .NET with Oracle and SQL Server databases Provide ongoing support for existing C# and .NET applications, including troubleshooting and implementing solutions Write and optimise T-SQL and PL/SQL scripts for data analysis and reporting requirements Collaborate with Database Administrators, Technical Support, and Infrastructure teams across London and New More ❯

A leading software provider in Fareham is seeking a C# Developer to join their innovative team working on projects across retail, hospitality, leisure, and the public sector. You'll be joining a dynamic team of developers working on cutting-edge solutions including iOS and biometric applications , patient-facing healthcare systems , and enterprise-level web and mobile platforms … and Angular Integrating with EPOS hardware and peripherals Contributing to research and development initiatives Applying design patterns and best practices in software architecture Key Skills: 2+ years' experience in C# Exposure to Xamarin , ASP.NET , Angular is beneficial Strong problem-solving and team collaboration What's on Offer: Salary up to £60k Exciting, varied projects Supportive and forward-thinking team … environment If you're a C# developer ready to take the next step in your career and work on exciting, real-world applications, we'd love to hear from you. Deerfoot Recruitment Solutions Ltd is a leading independent tech recruitment consultancy in the UK. For every CV sent to clients, we donate £1 to The Born Free More ❯