1 to 25 of 80 Permanent C# Developer Jobs in England

C# Developer Full Stack .Net Core JavaScript

Hiring Organisation
Client Server
Location
St. Albans, Hertfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
C# Developer/Full Stack Engineer (.Net Core JavaScript) St Albans/WFH to £100k Are you an ambitious C# Developer looking to apply your technical skills in a fast paced environment where technology, data and sport intersect? You could be progressing your career … direct impact on business performance, while giving you exposure to large-scale distributed systems, real-time data and modern cloud technologies. As a C# Developer you'll design and build new features across a complex microservices ecosystem, working on business critical platforms that process large volumes ...

Junior C# Developer Trading Systems

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Junior C# Developer Trading Systems 60,000 Plus Bonus + yearly Ski Trip Quant Capital is urgently looking for a Junior C# Developer with experience of Trading or Financial Services to join our high profile client. I am looking at junior engineers keen … software engineer role within the Trading team, focusing on building, enhancing and maintaining the Algorithmic Product suite. Basic financial products knowledge is required. Junior C# Developers MUST have: STEM Degree from a top UK or US School Strong C# Experience in financial services, you should know the difference ...

Senior C# Developer .Net Core - FinTech

Hiring Organisation
Client Server
Location
Newcastle upon Tyne, UK
Employment Type
Full-time
Senior C# Developer/Backend Software Engineer (C# .Net Core) *Newcastle onsite* to 110k+Are you a senior, backend focused C# Developer with a strong academic background? You could be working on complex, high impact systems at a growing FinTech scale-up with solid … healthcareGenerous pension contributionContinuous career development opportunitiesSocial team atmosphere with a range of events and early finish for drinks on FridaysYour role: As a Senior C# Developer you will collaborate with a small, talented team to deliver the core platform using the latest versions of C# .Net ...

Full-Stack C# Developer

Hiring Organisation
Deerfoot Recruitment Solutions
Location
London, UK
Employment Type
Full-time
668Skills: c#, .Net, SQL Server, JavaScript, React, Git, PlasticSCM Full-Stack C# Developer - Greenfield Projects - 40k - 110k DOE 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 … 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 ...

Software Developer - Quant Trading C# C++

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Software Developer C# C++ Multithreading – Quant Trading85,000 + bonus and benefitsQuant Capital is urgently looking for a Software Developer who has recent exposure to C++ and .NET to join our high profile client. Our client is a well known Algo Order Management and Execution … Algorithms. My client has a flat hierarchy and this is a small team of 10.This role will give you massive exposure to developing a C# Algos that allow for realtime algo allocation. You should be looking to learn from traders who enjoy passing on their knowledge. Their office ...

C# Developer

Hiring Organisation
Colossus Recruitment Ltd
Location
Solihull, Bickenhill, West Midlands (County), United Kingdom
Employment Type
Permanent
Salary
£55000 - £65000/annum
C# Developer (C# MSSQL, Azure, Javascript) Hybrid working Our client is looking for an experienced Full Stack Software Engineer with strong C# expertise to help design, build and enhance the next generation of business-critical applications. This is an opportunity to join a high-performing … comes from working together to achieve exceptional outcomes. The Role As a Software Engineer, you will: Design, develop and maintain scalable web applications using C#, modern JavaScript frameworks and cloud technologies Build intuitive front-end user experiences alongside robust back-end services Develop new functionality through API integrations, databases ...

C# Software Developer

Hiring Organisation
Spectrum IT Recruitment Limited
Location
Fareham, Hampshire, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 Annual
C# Software Developer C#, WPF, Windows Hybrid/Remote - Once a week in the Fareham, Hampshire office during probation. Then Fully Remote Salary £50,000 - £60,000 + Bonus and Benefits We are currently recruiting for a C# Software Developer to join ...

C# Developer Full Stack .Net Core JavaScript

Hiring Organisation
Client Server
Location
St. Albans, Hertfordshire, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
C# Developer/Full Stack Engineer (.Net Core JavaScript) St Albans/WFH to £100k Are you an ambitious C# Developer looking to apply your technical skills in a fast paced environment where technology, data and sport intersect? You could be progressing your career ...

Senior C# Developer

Hiring Organisation
Paratech Solutions Ltd
Location
Sheffield, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 Annual
experienced C# Developer looking for your next opportunity, where you can take ownership, influence projects and make a real impact? I'm working with an established client with offices in Sheffield and Leeds, who are looking to recruit a talented Full Cycle C# Developer ...

C# Developer

Location
Greater London, England, United Kingdom
Talan is looking for a talented and driven C# Developer to join a high-performing team in London. This is a hybrid role, with 3 days per week on-site, offering the opportunity to work on cutting-edge financial systems within a global markets environment. You will … across the full development lifecycle from design and implementation to optimisation and deployment. What You’ll Be Doing Developing and maintaining scalable .NET/C# services within a distributed streaming architecture Building and supporting real-time data processing systems for P&L and risk analytics Working ...

Senior C# DEVELOPER £60,000

Hiring Organisation
Paratech Solutions Limited
Location
Sheffield, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 Annual
experienced C# Developer looking for your next opportunity, where you can take ownership, influence projects and make a real impact? I'm working with an established client with offices in Sheffield and Leeds , who are looking to recruit a talented Full Cycle C# Developer ...

C# .Net Developer

Location
Shoreham-by-Sea, England, United Kingdom
C# .Net Developer Department: Software Development Employment Type: Permanent Location: Shoreham-by-Sea Compensation: £30,000 - £50,000/year Description Shoreham-by-Sea, West Sussex/Hybrid Competitive Salary + Benefits We're looking for a talented C# Developer to join our growing … customer requirements Contributing ideas and best practices to improve development standards and processes Skills, Knowledge & Expertise Essential Skills & Experience Strong commercial experience with C# and .NET Experience developing with WinForms and MVC Good understanding of SQL and database development Experience with HTML5, CSS and Bootstrap Experience developing and consuming ...

C# Identity & Access Management Developer (C#, .Net, EntraID, Keycloak)

Location
City of Westminster, England, United Kingdom
Hybrid – two days onsite, three days remote Employment: Permanent | 38.5 hours per week The opportunity An established international technology business is looking for a C# developer to help build a new Identity and Access Management component for its software products. You’ll work on authentication, authorisation … development team and work closely with the first project adopting the component. What you’ll do Develop reusable identity and access management functionality using C#/.NET. Integrate authentication and authorisation into desktop and web applications. Work with modern authentication standards, including OAuth 2.0 and OpenID Connect. Design clear ...

Senior C# Developer (AI-Assisted Development)

Hiring Organisation
DMR Personnel Ltd
Location
NR6, Old Catton, Norfolk, Hellesdon, United Kingdom
Employment Type
Permanent
Salary
£55000 - £65000/annum Plus excellent benefits
Senior C# Developer (AI-Assisted Development) Location: Norwich (North) 100% Fully On-Site 35 hour week, mon-fri Salary: £55,000 – £65,000 per annum (Dependent on Experience) Employment Type: Full-time, Permanent Sector: Technology About the Company My client is a highly successful, specialist software company … pioneering the future of software engineering within their sector/field. In this role, AI agents write a significant portion of the primary C# codebase, and they require an experienced Senior Developer to direct, orchestrate, and validate this output. You will not just be coding ...

Jnr/Mid C# Developer

Hiring Organisation
Exposed Solutions
Location
Guildford, Artington, Surrey, United Kingdom
Employment Type
Permanent
Salary
£40000 - £50000/annum Excellent benefits
C# Entity Framework Linq Developer Our client is transforming their industry with technology solutions that significantly improve customer experience and enable faster, smarter and more profitable decisions. Their cloud-based suite of applications runs on open-standards, includes rapid release cycles and functionality, and seamlessly connects every … part of the customer operation. The development team has been working in this sector since the early 90s. Technical skills needed, C#, MVC ASP.NET, SQLServer, Entity Framework/LINQ, Git. Any experience with POS, retail or e-commerce systems useful Experience working in an Agile development team is useful. ...

Full Stack C# Developer | Trading Systems | Contract Inside IR35

Location
Greater London, England, United Kingdom
Senior Full Stack C# Developer | Contract| Inside IR35 | London Our investment banking clients is seeking a Senior Full Stack Developer to join its Front Office FX technology team, building and enhancing business-critical systems used across London, New York and Singapore. This role sits within … strategic enhancements used daily by traders and operational teams across the bank. What You’ll Be Doing Building new features across a modern C#/.NET platform Designing and developing REST APIs and backend services Enhancing deal capture and post-trade processing systems Working on messaging and event-driven ...

Senior C# Developer

Location
Waterbeach, England, United Kingdom
scalability of systems vital for public safety and essential services. 22nd September, 2026 We are looking to recruit an experienced and highly skilled Senior C# Developer to lead the design, development, and optimisation of our mission-critical communication infrastructure. Working alongside other Software application team members … innovative technology company, based in Waterbeach, Cambridge. Role: Contribute to the architecture, design, and implementation of high-performance, resilient, and secure communication systems using C#/.NET. Develop robust, low-latency applications that handle high-volume data traffic (e.g., messaging queues, real-time data processing). Drive technical vision ...

Software Developer - C# / .Net

Hiring Organisation
Spectrum IT Recruitment
Location
Brighton, East Sussex, United Kingdom
Employment Type
Permanent
Salary
£40000 - £50000/annum Benefits
recruiting for a Software Developer - C#/.Net to join an industry leading company across a time of exciting growth. They boast a skilled team of developers and a company culture which is second to none. If you want to join a company where your voice … will be working across both internal and customer-facing applications. Location: Hybrid working - Based near Brighton (Office 1 day per week) Technical Requirements: C#/.Net WinForms/MVC SQL Bootstrap Git Unit Testing The company is looking for experience and enthusiasm, innovators and problems solvers. This ...

C# Developer - React

Location
Greater London, England, United Kingdom
Talan is seeking a skilled C# Developer with REACT experience to join our delivery teams working on Front Office platforms within Global Markets environments . In this role, you will design, build, and enhance regulatory, alerting, and sales enablement solutions , supporting front-office users in fast-paced ...

Software Developer - C# / .Net - Midlands

Hiring Organisation
Spectrum IT Recruitment Limited
Location
Leicester, Leicestershire, East Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
recruiting for a Software Developer - C#/.Net to join an industry leading company across a time of exciting growth. They boast a skilled team of developers and a company culture which is second to none. If you want to join a company where your voice … role you will be working across both internal and customer-facing applications. Location: Hybrid working - Leicester (Office 2-3 days per week) Technical Requirements: C#/.Net WinForms/MVC SQL Bootstrap Git Unit Testing The company is looking for experience and enthusiasm, innovators and problems solvers. This ...

C# Developer - React

Hiring Organisation
Talan
Location
London, UK
Employment Type
Full-time
DescriptionTalan is seeking a skilled C# Developer with REACT experience to join our delivery teams working on Front Office platforms within Global Markets environments. In this role, you will design, build, and enhance regulatory, alerting, and sales enablement solutions, supporting front-office users in fast-paced trading … system stabilityProvide third-line support and assist with troubleshooting production incidentsContribute to code reviews and continuous improvement initiativesSkills & Experience (Required)Strong development experience in C# & REACT Experience building web-based applications and RESTful APIsSolid experience with relational databases and SQLExperience with modern JavaScript frameworks, particularly ReactStrong understanding of application ...

Senior Full-Stack C# Developer – FX Trade Systems (Contract)

Location
Greater London, England, United Kingdom
Investigo in London is seeking a Senior Full Stack C# Developer to join its Front Office FX technology team, building and supporting business-critical systems used across London, New York and Singapore. You’ll work on a modern C#/.NET platform, design REST APIs ...

Software Developer - C# .NET Desktop

Hiring Organisation
Interface Recruitment
Location
Lincoln, Lincolnshire, United Kingdom
Employment Type
Permanent
Salary
£35000 - £50000/annum 28 days Hols / Pen / PHI
used by local authorities and engineering consultancies across the UK and internationally. A small, product-driven business, it is now looking for an experienced C# developer to help bring several new Windows desktop applications to market. This is a Windows desktop role, not a web role. … will design and build rich desktop applications, mainly in C#/.NET with some C++, alongside a highly experienced development team and the engineers who use and teach the software every day. What you will do Own significant features and development projects, from planning requirements with product experts ...

C# Quant Developer | Risk & P&L Systems | Front Office | Contract Inside IR35

Location
Greater London, England, United Kingdom
C# Quant Developer | Risk & P&L Systems | Front Office | Contract Inside IR35 Our investment banking client is looking for a strong C# developer to join its FX Options Risk & P&L technology team. This role sits between technology, quants and trading and would suit … frameworks. The hiring manager is specifically looking for developers who understand the underlying concepts and calculations rather than simply consuming downstream outputs. Alongside strong C# development capability, experience designing or supporting distributed computing environments is highly sought after. Required Experience Strong C#.NET Core Risk systems P&L systems Greeks ...

Lead Software Developer C# - Finance

Hiring Organisation
Client Server
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent
Lead Software Developer/Engineer (C# .Net Core) Newcastle onsite to £130k Do you have expertise with backend software development within finance/trading environments, combined with strong leadership skills? You could be progressing your career in a hands-on Lead Software Developer …/team leadership skills, happy conducting 1-2-1s, providing coaching and mentoring as well as project leadership 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 ...