1 to 25 of 35 C# .NET Developer Jobs in London

C# / .NET Developer – Front Office, Electronic & Low Latency Trading Systems

Location
Greater London, England, United Kingdom
C#/.NET Developer – Front Office, Electronic & Low Latency Trading Systems Join MARGO in the UK (London) – Perm & Contracting Opportunities MARGO is a tech-native consultancy delivering high value-added IT expertise to the financial services industry. We specialise in complex software engineering environments where … Front Office/Trading IT environment of one of our tier-1 investment banking or trading partners. The teams design and maintain mission-critical C#/.NET systems supporting electronic trading, real-time risk and analytics platforms across multiple asset classes (Equities, Fixed Income, Commodities, FX, Derivatives ...

Microsoft Office Add-In Developer (.NET/C#)

Hiring Organisation
Matchtech
Location
London, United Kingdom
Employment Type
Contract
Microsoft Office Add-In Developer (.NET/C#) Office Add-ins | VSTO | Azure | Azure DevOps | Inside IR35 | ASAP Start | Contract until January 2027 We're partnering with a prestigious London-based law firm to secure an experienced Microsoft Office Add-In Developer … bespoke Office solutions used across the business. This role is ideal for a developer with strong experience in .NET, C#, VSTO and custom Microsoft Office add-ins , alongside exposure to Azure-hosted solutions and Azure DevOps (ADO) pipelines . While primarily remote, candidates should ...

C# Winforms .net Developer Quant Fund

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
C# Winforms .net Developer Quant Fund140,000 Plus Bonus4 days in the office – some room for negotiationQuant Capital is urgently looking for a Senior C# Winforms .net Developer to join our high profile client. Our client is a $5 billion … strong systematic quant commodity trading fund with excellent recent performance. The role will involve all aspects of software development in a Microsoft Windows C# SQL environment, reporting directly to the Chief Investment Officer and head of Development. The client offers a bonus to all employees as a result ...

C# .NET Developer- Brussels

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
C# .NET DeveloperBrussels90,000 Plus Bens – Flex WorkingQuant Capital is urgently looking for C# .NET Developer to join our high profile client. Our client is a well known insuretech business. They are a small subsidiary of a much larger financial exchange firm. … tasks, proactively gathering requirements if needed. Improving company's build and deployment pipelines (CI/CD).Creating documentation of the developed components and processes. C# Developers must have: At least 5 years of proven track of record of software design and development. Advanced knowledge of C# and .NET ...

Microsoft Office Add-In Developer (.NET/C#)

Location
Greater London, England, United Kingdom
Microsoft Office Add-In Developer (.NET/C#) Office Addins | VSTO | Azure | Azure DevOps | Inside IR35 | ASAP Start | Contract until January 2027 We're partnering with a prestigious London-based law firm to secure an experienced Microsoft Office Add-In Developer to support … bespoke Office solutions used across the business. This role is ideal for a developer with strong experience in .NET, C#, VSTO and custom Microsoft Office add-ins , alongside exposure to Azure-hosted solutions and Azure DevOps (ADO) pipelines . While primarily remote, candidates should ...

C# .Net Core Developer - Fintech50- Manchester

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Tech: C#, .net core, ASP.Net MVC, Angular 5, MVC, MVC, SQL, AWS, FullstackChallenge: Develop Greenfield systems and increase functionality for existing high transaction/high traffic platforms. Firm: Global Fintech firm that specialize e-invoicing and invoice finance. Salary: 65k + Bonus + Options + Flex Working … + PensionC# .Net Core Developer – Fintech50Quant Capital is urgently looking for a C# ASP.NET MVC Developer to join our high profile client. My client is a growing global Fintech business and market leaders in the invoice finance space. They are currently expanding their ...

C# .NET Developer Trading Systems

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
C# .NET Developer Trading Systems90000 + benefitsQuant Capital is urgently looking for talented C# developers to join our high profile client. Our client is a well-known Algo Order Management and Execution Business. This critical role sits in a small team of some … unlike that of large corporates; you will have influence on the technology being used, freedom to speak to anyone in the business and autonomy. C# Developers MUST have: Computer Science Degree from a Top Tier University (top 20 UK) or relevant experienceCommercial experience developing desktop applications in C#Good ...

Senior Software Developer with C# .Net and Fixed Income

Location
City Of London, England, United Kingdom
C# .NET Software Developer with FX and Fixed Income Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven track record … developing with C# .NET. The Client would like meet candidates ideally with some understanding Trading Floor projects to include Fixed Income, Risk Management, Swap Options and FX. You need to be resilient as you will be working closely with traders and developing financial trading systems so an understanding ...

Senior Software Developer - C#/.NET - London, Hybrid or remote

Location
Greater London, England, United Kingdom
software development lifecycle while supporting high engineering standards within a collaborative team environment. Key Responsibilities: Design, develop, and enhance enterprise-level software solutions using C#, .NET/.NET Core, Razor, Web API, SQL Server, HTML, and JavaScript. Work closely with Product Owners, testers, UI/… difference to our customers. Proven experience as a Senior Developer within a SaaS or enterprise software environment. Strong hands‐on expertise in C#, .NET/.NET Core, and SQL/T‐SQL. Solid understanding of database design, performance optimisation, and query tuning. Experience ...

Senior C# .NET Developer - FX Trading Platform

Location
City Of London, England, United Kingdom
Nexus Jobs Limited is recruiting a C# .NET Software Developer for our client, a niche boutique broker specialising in FX, based in London. You will work on trading systems with FX and Fixed Income components, and collaborate closely with traders to deliver robust software. … role requires 3–5 years of experience with C# .NET, ASP.NET Core MVC and SQL Server, plus an understanding of FX instruments and possibly FIX protocol. #J-18808-Ljbffr ...

Lead C# .Net Developer Asset Management

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Lead C# .Net Developer Asset ManagementLeading London-based trading house has an outstanding opportunity for a C# winforms and Webforms Developer to join the team. Our client is a 500 million strong asset manager/fund. They use an innovative approach using … investment management who is also a technologist by background. The platform you create together will be a proprietary system in the real estate space. C# Developers MUST have: Computer Science Degree or similarAt least 6 years of commercial experience. NETC#SQLLinQWinforms ideallyIdeally WPFApplications experienceWindows and Linux experienceWindows application developmentExperience ...

Senior Back-End Developer - .NET / C# -High Growth SaaS

Hiring Organisation
Robert Half
Location
London, UK
Employment Type
Full-time
Senior Back-End Developer to become a key technical hire. You'll take ownership of a modern platform built with C#/.NET microservices, PostgreSQL, Redis and Google Cloud, helping shape architecture, engineering standards and future development. Key ResponsibilitiesBuild and maintain C#/.NET … Kubernetes/GKEImprove CI/CD, testing, observability and reliabilityLead code reviews and mentor other developersWork closely with DevOps, Product and OperationsRequirementsStrong commercial C#/.NET experienceMicroservices and REST API expertiseStrong PostgreSQL and Redis knowledgeExperience with Kubernetes/Docker/CloudStrong testing and CI/CD backgroundTechnical ...

C#.Net Developer- Brussels

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
C# .NET DeveloperBrusselsQuant Capital is urgently looking for C# .NET Developer to join our high profile client. Our client is a well known insuretech business. They are a small subsidiary of a much larger financial exchange firm. The first mission starts … tasks, proactively gathering requirements if needed. Improving company's build and deployment pipelines (CI/CD).Creating documentation of the developed components and processes. C# Developers must have: At least 5 years of proven track of record of software design and development. Advanced knowledge of C# and .NET ...

Hybrid .NET Developer (C# / Angular)

Location
Greater London, England, United Kingdom
Developer to join its Trade Operations IT Delivery Team. You will design, develop and support bespoke multi-asset class applications using C#, .NET Core, Web API, and Angular front end while collaborating with business analysts and IT colleagues. You will deploy changes to production ...

C# ASP.NET FullStack Developer - Get .NET Core

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Tech: C#, ASP.Net MVC, Angular 5, MVC, MVC, SQL, AWS, Fullstack Challenge: Develop Greenfield systems and increase functionality for existing high transaction/high traffic platforms. Pay: 60k, Share Options Firm: Global Software firm in the business intelligence and Performance space. Location: SloughC# ASP.NET FullStack Developer – Get .NET CoreQuant Capital is urgently looking for a C# ASP.NET Developer to join our high profile client. My client is a growing global BI and performance management firm. They are dominated by technology and big data. They use the latest versions ...

Backend C# .NET Developer – Hybrid (Taunton)

Location
Greater London, England, United Kingdom
Proactive Appointments Limited is seeking a Junior to Mid-Level Back-End C# .NET Developer for a permanent, hybrid role in Taunton, Somerset. You will join a growing development team to design and build scalable backend systems while advancing through the full software lifecycle. ...

C# .NET / REACT Developer

Location
Greater London, England, United Kingdom
Talan is seeking a skilled C# .NET 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 … third-line support and assist with troubleshooting production incidents Contribute to code reviews and continuous improvement initiatives Skills & Experience (Required) Strong development experience in C#/.NET & REACT (server-side and/or full-stack) Experience building web-based applications and RESTful APIs Solid experience with relational ...

C# Dot Net - C# .net and SQL Developer - City London

Location
City Of London, England, United Kingdom
Years of relevant experience 3+ years Education Level Bachelor's Degree About the Job Our Client is looking to recruit a C# .net Software Developer with SQL skills. The Client produces information for the Oil and Gas industry and you will be involved in helping … their clients and team visualise and interact with the company’s research data. Required Skills .net 4, c# , asp.net MS SQL (Working with and developing relational databases in SQL) Stored procedures, Functions, SSIS HTML,CSS Web Services Java script Jquery, AJAX, XML Desirable Skills GIS Business Intelligent ...

Front-Office C# .NET & React Developer

Location
Greater London, England, United Kingdom
Talan is seeking a skilled C# .NET 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 ...

Senior .NET/C# Developer – Remote & Flexible Benefits

Location
Greater London, England, United Kingdom
Version 1 is seeking a skilled .NET/C# developer to work closely with customers, developing software, and modernising legacy applications. You will write custom code, support clients, and influence project direction in a consultancy role. Join an award-winning employer that emphasizes wellbeing, professional ...

C# .NET Developer (Hybrid, London) – Banking BI

Location
Greater London, England, United Kingdom
Developer to join our dynamic team. You will develop and support Bank BI applications using the MS .NET platform with C# and collaborate with the BI IT department. Requirements include 7+ years in C#/.NET, Windows app development, and 5+ years ...

C# ASP.NET Developer - Fintech

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
C# ASP.NET Developer – FintechQuant Capital is urgently looking for a .NET Developer with both C# and ASP.NET skillsto join our high profile client. Our client is a leading software provider to the front office wealth and asset management market with customers across … pipeline).The product has a web element as well as a backend server based high availability platform so work is mixed both ways. C# Developers must have:2 years commercial experience upwards (we have 3 roles)C#SQL or OracleDHTMLASP.NETIdeally some exposure to C++ or VB as some ...

Hybrid C#/.NET Developer – Azure & Back-End Focus

Location
Greater London, England, United Kingdom
Anthony Nolan is seeking a mid-level C# Developer to join our IT team in a hybrid role based in Hampstead, London. The successful candidate will design, develop, and maintain applications using C# and the .NET framework, contributing to back-end functionality while working ...

C# ASP.NET MVC FullStack Developer - Fintech50

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Tech: C#, ASP.Net MVC, Angular 5, MVC, MVC, SQL, AWS, Fullstack Challenge: Develop Greenfield systems and increase functionality for existing high transaction/high traffic platforms. Firm: Global Fintech firm that specialize e-invoicing and invoice finance. Salary: 65k + Bonus + Options + Flex Working + PensionC# ASP.NET … FullStack Developer – Fintech50Quant Capital is urgently looking for a C# ASP.NET MVC Developer to join our high profile client. My client is a growing global Fintech business and market leaders in the invoice finance space. They are currently expanding their development team with an additional ...

Senior C#/.NET Developer — Cloud Modernisation (Hybrid)

Location
Greater London, England, United Kingdom
Recruitment is seeking an experienced Senior C# Developer for a Tier 1 Investment Bank in Canary Wharf. You will contribute to modernising core desktop applications, moving to web-based and cloud-enabled platforms, and shaping future-state architecture within a large enterprise. You'll work across ...