C# Jobs in the City of London

176 to 200 of 365 C# Jobs in the City of London

.NET Developer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Noir
.NET Developer, .NET 9, C#, Agile - London (Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is a global innovator who builds software products and apps that are defining the way individuals and teams work today. They make it easy for users and to … employees and growing, they are looking for .NET Developer to join their global team! You will be working on the development of a new generation of .NET/C# software products; helping the firm transform its inspiration into reality. We are keen to hear from .NET Developer candidates with a good grasp of: .NET, .NET Core/ASP.NET MVC, C# More ❯
Employment Type: Full-Time
Salary: £85,000 - £105,000 per annum
Posted:

Senior Applications Analyst, Aderant, Partly Remote

City, London, United Kingdom
Hybrid / WFH Options
Carrington Recruitment Solutions Limited
Senior Applications Analyst with Development experience, SQL, Aderant, C#, Python or ASP Mainly Remote A professional services firm is seeking a Senior Applications Analyst with strong development and legal systems experience to come and join their team. This role is mostly remote, with occasional office attendance (London, Manchester, or Harrogate approx click apply for full job details More ❯
Employment Type: Permanent
Salary: GBP 65,000 Annual
Posted:

Software Engineer in Test

City of London, London, United Kingdom
La Fosse
ideal candidate will have strong experience with JMeter for performance testing and UI automation expertise using Selenium with C#. Key requirements: - Proven experience in UI automation using Selenium with C#/.NET. - Strong background in load & performance testing with JMeter. - Skilled in designing, executing, and analyzing performance test cases. - Proficient in Zephyr for Jira for test management and defect tracking. More ❯
Posted:

Software Engineer in Test

london (city of london), south east england, united kingdom
La Fosse
ideal candidate will have strong experience with JMeter for performance testing and UI automation expertise using Selenium with C#. Key requirements: - Proven experience in UI automation using Selenium with C#/.NET. - Strong background in load & performance testing with JMeter. - Skilled in designing, executing, and analyzing performance test cases. - Proficient in Zephyr for Jira for test management and defect tracking. More ❯
Posted:

Systems Optimisation Engineer

City of London, London, United Kingdom
IC Resources
Engineer will include: BSc or MSc in Computer Science, Electrical/Electronic Engineering, Applied Mathematics, or related field Proficiency in software development for test automation, e.g. Python, C++, or C# Understanding of hardware test systems and instrumentation, e.g. oscilloscopes, BERTs, burst-mode testers Experience with metaheuristic optimisation techniques, e.g. genetic algorithms, simulated annealing, particle swarm optimisation If you are a More ❯
Posted:

Application Support Analyst

City of London, London, United Kingdom
Verve Talent Limited
system alerts and performance metrics Key Skills - MUST HAVES Proven experience in customer-facing technical support, with a service-first mindset. General knowledge of software development principles VB.NET, SQL, C#, SQL, SSIS/SSRS Familiar with ITIL frameworks and comfortable navigating incident/change workflows. Great chance for a long term contract opportunity, 6 month initial contract, City based More ❯
Posted:

Application Support Analyst

london (city of london), south east england, united kingdom
Verve Talent Limited
system alerts and performance metrics Key Skills - MUST HAVES Proven experience in customer-facing technical support, with a service-first mindset. General knowledge of software development principles VB.NET, SQL, C#, SQL, SSIS/SSRS Familiar with ITIL frameworks and comfortable navigating incident/change workflows. Great chance for a long term contract opportunity, 6 month initial contract, City based More ❯
Posted:

Systems Optimisation Engineer

london (city of london), south east england, united kingdom
IC Resources
Engineer will include: BSc or MSc in Computer Science, Electrical/Electronic Engineering, Applied Mathematics, or related field Proficiency in software development for test automation, e.g. Python, C++, or C# Understanding of hardware test systems and instrumentation, e.g. oscilloscopes, BERTs, burst-mode testers Experience with metaheuristic optimisation techniques, e.g. genetic algorithms, simulated annealing, particle swarm optimisation If you are a More ❯
Posted:

Software Engineering Team Lead / Architect

City of London, London, United Kingdom
Thomson Keene
working in an office of c.80 people. This is a key role in this small team and as such has broad requirements that balance current, hands on coding experience (C# back end and JavaScript/Angular front end) with architecture responsibilities and oversight of devops/infrastructure. There is also line responsibility for an offshore development team (currently 7 but More ❯
Posted:

Software Engineering Team Lead / Architect

london (city of london), south east england, united kingdom
Thomson Keene
working in an office of c.80 people. This is a key role in this small team and as such has broad requirements that balance current, hands on coding experience (C# back end and JavaScript/Angular front end) with architecture responsibilities and oversight of devops/infrastructure. There is also line responsibility for an offshore development team (currently 7 but More ❯
Posted:

Senior Unity Developer

City of London, London, United Kingdom
Hybrid / WFH Options
SJTalent Partners
strong code quality and performance standards . Contribute to the ongoing technical architecture and product strategy of the immersive platform. About You 7+ years’ experience in professional Unity/C# development. Deep expertise in 3D pipelines , physics, animation, and performance optimization. Experience integrating Unity with AI/ML systems or data-driven backends (Python, TensorFlow, or REST APIs a plus More ❯
Posted:

Senior Unity Developer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
SJTalent Partners
strong code quality and performance standards . Contribute to the ongoing technical architecture and product strategy of the immersive platform. About You 7+ years’ experience in professional Unity/C# development. Deep expertise in 3D pipelines , physics, animation, and performance optimization. Experience integrating Unity with AI/ML systems or data-driven backends (Python, TensorFlow, or REST APIs a plus More ❯
Posted:

Software Developer - OTC Trading Systems | Data-Driven Trading Technology Firm

City of London, London, United Kingdom
Hybrid / WFH Options
Techfellow Limited
or performance-sensitive systems, ideally with microsecond-level latency or high-throughput requirements Proven coding ability in Kotlin, or another object-oriented language such as Java (preferred), C++ or C# Familiarity with Linux APIs and comfort developing in a Linux-based environment Strong computer science fundamentals with several years’ experience in professional software development Experience applying modern testing approaches to More ❯
Posted:

Software Developer - OTC Trading Systems | Data-Driven Trading Technology Firm

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Techfellow Limited
or performance-sensitive systems, ideally with microsecond-level latency or high-throughput requirements Proven coding ability in Kotlin, or another object-oriented language such as Java (preferred), C++ or C# Familiarity with Linux APIs and comfort developing in a Linux-based environment Strong computer science fundamentals with several years’ experience in professional software development Experience applying modern testing approaches to More ❯
Posted:

.NET Developer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Noir
.NET Developer, .NET 9, C# - Global Internet Icon - London (Tech stack: .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client has long been a classic internet icon; today it has evolved into an integrated and diversified modern media company. We are seeking .NET Developer to work on one of … the most ambitious .NET/C# projects to take place since the birth of the World Wide Web. .NET Developer applicants should have a skill set that encompasses: .NET, .NET Core/ASP.NET MVC, C#, Azure SQL. Full training will be provided into: .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD, Azure SQL and MongoDB. Our More ❯
Employment Type: Full-Time
Salary: £50,000 - £70,000 per annum
Posted:

.NET Developer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Noir
.NET Developer, .NET 9, C# - Global Record Label - London (Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) We are pleased to announce that our client, one of the largest and most recognised brands within the music industry, is seeking .NET Developer to work out of … their plush offices in the heart of London's West End. You will be working on the development of high-availability and highly-transactional .NET/C# applications which will be critical to the launch of their new online music shopping channel. We are seeking .NET Developer candidates with a skill set that encompasses: .NET, .NET Core/ASP.NET MVC … C# and Azure SQL. Our client can provide training into: .NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful, Web API 2, JavaScript, HTML5, Agile and MongoDB. My client offers flexible working hours, home working and amazing offices (onsite cinema, pool tables, bar, free canteen, gym). These positions are dope!!! Location: London, UK/Remote Working Salary More ❯
Employment Type: Full-Time
Salary: £40,000 - £60,000 per annum
Posted:

.NET Developer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Noir
.NET Developer - .NET 9, C#, Blazor, Azure - London (Tech stack: .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is a crowd funded social advertising technology platform that sells services to Facebook advertisers to grow their marketing ROI. They were recently named one of 12 Facebook Strategic Preferred Marketing … gifted .NET Developer who have a genuine passion for developing revolutionary software solutions. .NET Developer applicants should have a skill set that includes: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Full training will be provided into: .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD, Azure SQL and MongoDB. This is an amazing opportunity More ❯
Employment Type: Full-Time
Salary: £70,000 - £90,000 per annum
Posted:

.NET Developer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Noir
.NET Developer, .NET 9, C# - Digital Download Site - London (Tech stack: .NET Developer, .NET 9, C#, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer)With operations in over 20 countries our client has fast become a major player within the digital download arena. In addition to an award winning website they have launched mobile … for .NET Developer who are ambitious about building a quality service which brings delight to their users. .NET Developer should be experienced in: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. You will be trained in all aspects of: .NET 9, Web API 2, Entity Framework, Microservices, Azure, JavaScript, Angular 19, Bootstrap, Agile and MongoDB. Top performers can More ❯
Employment Type: Full-Time
Salary: £70,000 - £90,000 per annum
Posted:

.NET Developer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Noir
.NET Developer - Europe's Largest Radio Station Group - London (Tech stack: .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is Europe's largest and most profitable commercial radio group. In order to keep pace with the new digital technologies being developed, they are transforming their stations into interactive … brands that can operate across multiple platforms such as online, digital TV and mobile. As such we are seeking .NET Developer to join their dynamic .NET/C# team of high flying individuals. .NET Developer applicants should have a skill set that encompasses: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client can provide you with industry … .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD, Azure SQL and MongoDB. This is an exciting opportunity to work on complex enterprise level .NET/C# software development projects. Our client offers a structured career progression programme, industry recognized training, flexible working hours and home working. These positions are urgent, as such our client guarantees to More ❯
Employment Type: Full-Time
Salary: £45,000 - £65,000 per annum
Posted:

Software Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
RedCat Digital
C# Developer – Contract (Hybrid, London) Rate: £415 per day (Umbrella only) Location: London – Hybrid, minimum 3 days a week onsite near Canary Wharf Contract: Initial 6 months with extensions likely We’re looking for an experienced C# Developer to join a busy development team within a leading financial environment. The role involves designing, developing and supporting a range of business … platform. You’ll be working closely with database and infrastructure teams, supporting both new and existing systems in a fast-paced environment. Key Responsibilities: Develop and maintain applications using C# and the .NET Framework Support and enhance existing Windows and web-based systems Work with SQL Server and Oracle databases, writing efficient T-SQL and PL/SQL queries Follow … release procedures to ensure system stability Troubleshoot application, database and environment issues across multiple teams Provide occasional out-of-hours or weekend support when needed Skills and Experience: Strong C#/.NET development background Good understanding of object-oriented programming Experience with SQL Server or Oracle databases Familiarity with IIS and Windows application development Excellent communication and problem-solving skills More ❯
Posted:

Software Engineer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
RedCat Digital
C# Developer – Contract (Hybrid, London) Rate: £415 per day (Umbrella only) Location: London – Hybrid, minimum 3 days a week onsite near Canary Wharf Contract: Initial 6 months with extensions likely We’re looking for an experienced C# Developer to join a busy development team within a leading financial environment. The role involves designing, developing and supporting a range of business … platform. You’ll be working closely with database and infrastructure teams, supporting both new and existing systems in a fast-paced environment. Key Responsibilities: Develop and maintain applications using C# and the .NET Framework Support and enhance existing Windows and web-based systems Work with SQL Server and Oracle databases, writing efficient T-SQL and PL/SQL queries Follow … release procedures to ensure system stability Troubleshoot application, database and environment issues across multiple teams Provide occasional out-of-hours or weekend support when needed Skills and Experience: Strong C#/.NET development background Good understanding of object-oriented programming Experience with SQL Server or Oracle databases Familiarity with IIS and Windows application development Excellent communication and problem-solving skills More ❯
Posted:

.NET Developer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Noir
.NET Developer, C#, .NET 9, Angular 19, Web API 2 - London (Tech stack: .NET Developer, .NET 9, C#, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer) Have you ever thought about getting from London to Edinburgh in 30 minutes? My client, a world leader in aerospace technology, and has decided to undertake research into … and capture information from the high speed tests that they are running on a daily basis. .NET Developer applicants should have knowledge of: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. They will provide training into: .NET 9, Web API 2, Entity Framework, Microservices, Azure, JavaScript, Angular 19, Bootstrap, Agile and MongoDB. All positions come with the following More ❯
Employment Type: Full-Time
Salary: £130,000 - £150,000 per annum
Posted:

Full Stack Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Harrington Starr
Job Title/Corporate Title: C# .NET Full Stack Developer Contract: £750 - £950/day (Inside IR35) Location: London (Hybrid) You’ll be joining a major financial services organisation to design, build, and support Full Stack C# .NET applications used across core regulatory and reporting systems. Your mission — develop, integrate, and enhance enterprise-grade software that underpins finance and regulatory … reporting processes. You’ll work across the stack using C#, .NET, SQL Server, and Oracle, collaborating with DevOps and cloud teams to deliver high-performance, resilient solutions in a highly regulated environment. This is a hands-on development role for someone who knows how to turn business requirements into robust, scalable applications — and can code, design, and integrate at a … CI/CD pipelines. Work closely with business and technical teams to ensure accurate, compliant delivery. Participate in code reviews and continuous improvement initiatives. What you’ll need: Proven C# and .NET development expertise (Framework & .NET Core). Strong understanding of object-oriented programming, design principles, and best practices. Solid experience with SQL Server and Oracle databases. Experience in financial More ❯
Posted:

Full Stack Engineer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Harrington Starr
Job Title/Corporate Title: C# .NET Full Stack Developer Contract: £750 - £950/day (Inside IR35) Location: London (Hybrid) You’ll be joining a major financial services organisation to design, build, and support Full Stack C# .NET applications used across core regulatory and reporting systems. Your mission — develop, integrate, and enhance enterprise-grade software that underpins finance and regulatory … reporting processes. You’ll work across the stack using C#, .NET, SQL Server, and Oracle, collaborating with DevOps and cloud teams to deliver high-performance, resilient solutions in a highly regulated environment. This is a hands-on development role for someone who knows how to turn business requirements into robust, scalable applications — and can code, design, and integrate at a … CI/CD pipelines. Work closely with business and technical teams to ensure accurate, compliant delivery. Participate in code reviews and continuous improvement initiatives. What you’ll need: Proven C# and .NET development expertise (Framework & .NET Core). Strong understanding of object-oriented programming, design principles, and best practices. Solid experience with SQL Server and Oracle databases. Experience in financial More ❯
Posted:

.NET Developer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Noir
.NET Developer (Tech stack: .NET Developer, .NET 9, C#, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer)In just over 5 years our client has established themselves as the world's leading internet subscription service for enjoying films and TV programmes. They currently have over 15 million streaming members across the UK, Europe and … North America and have plans to double in size over the next 12 months. We are seeking several .NET Developer to work on several complex Greenfield .NET/C# software development projects which will be critical to the future success of the business. .NET Developer candidates should have a sound understanding of object orientated (OO) development and a skill that … that includes: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client can provide training into: .NET 9, Web API 2, Entity Framework, Microservices, Azure, JavaScript, Angular 19, Bootstrap, Agile and MongoDB. This is an excellent opportunity for a .NET Developer to working within a challenging supportive environment. Top performers can expect to receive their first promotion (and More ❯
Employment Type: Full-Time
Salary: £70,000 - £90,000 per annum
Posted:
C#
the City of London
25th Percentile
£57,500
Median
£85,000
75th Percentile
£105,000
90th Percentile
£118,250