26 to 47 of 47 C# Software Engineer Jobs in London

Join to apply for the Lead C# Software Engineer, Home Based role at Blacklist Ratings 3 days ago Be among the first 25 applicants Join to apply for the Lead C# Software Engineer, Home Based role at Blacklist Ratings Get AI-powered advice on this job and more exclusive features. … Lead Software Engineer, Hands-on with team leading/people management skills required, C#, .NET, SQL. Home Based c £75,000 - 80,000 (possible flex) + benefits My client is a software product company that builds an innovative SaaS product for the energy and utilities market. As they continue to grow, they are … Product Owners, Project Managers, and fellow Lead Software Engineers, you will further develop the product. Key Responsibilities for This Role Include: Hands-on coding using your excellent C#/.NET experience (and ideally AWS or Azure). Technically manage/lead a small team of Software Engineers. Responsible for the fortnightly technical output. Collaborate with More ❯

Lead C# Software Engineer Are you a proactive, self-driven engineer who thrives on solving complex problems and delivering high-quality software? Join our fast-growing fintech company and play a key leadership role in shaping the future of our innovative financial products. What You’ll Be Doing: Leading the design … development, and maintenance of enterprise-grade applications using C#, .NET, and SQL Server Enhancing user experiences with modern JavaScript/TypeScript frameworks Driving product improvements through close collaboration with Product Managers, Designers, and other Engineers Ensuring software quality through code reviews, unit testing, and best development practices Contributing to architectural decisions and mentoring junior developers Supporting DevOps … with PHP and legacy codebases Previous work in the financial services or SaaS industry What We’re Looking For: Proven experience as a Senior or Lead Developer working with C#/.NET Solid knowledge of SQL Server and performance optimization Proficiency in JavaScript/TypeScript and front-end development Strong problem-solving skills and the ability to work autonomously More ❯

Job Description Lead Software Engineer/Developer (C# .Net 8 Azure) London/WFH to £110k Do you have expertise with C# .Net backend development combined with technical leadership skills? You could be progressing your career in a hands-on leadership role, at a tech company that provide a SaaS product suite used by … hybrid work from home policy with 2-3 days a week in the London office, where you can enjoy a sociable team environment. About you: You have expertise with C# .Net backend development You have a strong knowledge of Microsoft Azure, microservices and serverless architectures You have NoSQL database skills, they use CosmosDB so experience with that would be … Enhanced maternity and paternity policies Employee award incentives such as team lunches Apply now to find out more about this Lead Software Engineer/Developer (C# .Net 8 Azure) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities More ❯

Join to apply for the Software Engineer (C#, remote GMT) role at Reincubate//Camo Join to apply for the Software Engineer (C#, remote GMT) role at Reincubate//Camo We’re looking for a Software Engineer to join the team working on Camo … working at a values-led, remote, indie business. Here’s Aidan the CEO & founder talking about the role. You Will Build and enhance robust, accessible functionality in our native C# desktop apps Build new and delightful experiences for our users Help evolve our tooling, architecture and development practices Contribute to the product & design vision across the company We Will … small, focused team of individual contributors, and like taking ownership of projects from initial planning to release. Wish there were more apps that felt 'just right'. Have strong C# and WPF skills, with familiarity working with a great stack: git, Nunit, Azure, etc. Have the ability and desire to learn, develop, and share new ideas, and implement those More ❯

Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Trayport We’re looking for Software Engineers to join our Joule Direct team, to help us build and improve our high-throughput, low-latency energy trading platform. You’ll be working with some amazing technologists to solve complex problems. For us … paths Implement a new Automated Trading feature Benchmarking code to reduce latency Do some design/planning with a colleague and raise an RFC Our services are written with C# on .NET 6 We use a fair bit of SQL Server, Kafka and RabbitMQ Azure DevOps. We are big fans of Azure Pipelines! Some of our services are migrating … in all stages of development including planning, implementation and delivery Pairing with other engineers to share and expand your knowledge Contributing to technical discussions Skills & Experience Strong knowledge of C# or any popular programming language Can write efficient, concurrent code Knowledge of how distributed systems work Experience with Git, TeamCity and Octopus will be valued but is not required More ❯

The Role We’re looking for Software Engineers to join our Joule Direct team, to help us build and improve our high-throughput, low-latency energy trading platform. You’ll be working with some amazing technologists to solve complex problems. For us, teamwork is everything. We listen to each other, we adapt, we evolve and we strive to … new Automated Trading feature Benchmarking code to reduce latency Do some design/planning with a colleague and raise an RFC Our Tech Stack Our services are written with C# on .NET 6 We use a fair bit of SQL Server, Kafka and RabbitMQ Azure DevOps. We are big fans of Azure Pipelines! Some of our services are migrating … in all stages of development including planning, implementation and delivery Pairing with other engineers to share and expand your knowledge Contributing to technical discussions Skills & Experience Strong knowledge of C# or any popular programming language Excellent communication skills Can write efficient, concurrent code Knowledge of how distributed systems work Experience with Git, TeamCity and Octopus will be valued but More ❯

The Role We’re looking for Software Engineers to join our Joule Direct team, to help us build and improve our high-throughput, low-latency energy trading platform. You’ll be working with some amazing technologists to solve complex problems. For us, teamwork is everything. We listen to each other, we adapt, we evolve and we strive to … new Automated Trading feature Benchmarking code to reduce latency Do some design/planning with a colleague and raise an RFC Our Tech Stack Our services are written with C# on .NET 6 We use a fair bit of SQL Server, Kafka and RabbitMQ Azure DevOps. We are big fans of Azure Pipelines! Some of our services are migrating … in all stages of development including planning, implementation and delivery Pairing with other engineers to share and expand your knowledge Contributing to technical discussions Skills & Experience Strong knowledge of C# or any popular programming language Excellent communication skills Can write efficient, concurrent code Knowledge of how distributed systems work Experience with Git, TeamCity and Octopus will be valued but More ❯

C# Engineer | Global Hedge Fund | London [On-Site] We are working on behalf of a highly collaborative hedge fund with a global presence. The fund has a strong track record of performance and has committed significant resource to further expanding their established front-office engineering team. At this moment, the fund are looking to hire a couple … C# engineers (4-7 years’ experience) to support the growing coverage of this highly regarded team and being central to the shaping of a systematic business expansion. In this role, the successful applicant(s) will be supporting the development and maintenance of performative and responsive C# applications that enable the front office business to operate and function. Concomitantly More ❯

C# Engineer | Global Hedge Fund | London [On-Site] We are working on behalf of a highly collaborative hedge fund with a global presence. The fund has a strong track record of performance and has committed significant resource to further expanding their established front-office engineering team. At this moment, the fund are looking to hire a couple … C# engineers (4-7 years’ experience) to support the growing coverage of this highly regarded team and being central to the shaping of a systematic business expansion. In this role, the successful applicant(s) will be supporting the development and maintenance of performative and responsive C# applications that enable the front office business to operate and function. Concomitantly More ❯

Social network you want to login/join with: Software Engineer - Go & Python, Ruby or C#, London col-narrow-left Client: Corsearch Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: 0e66481a36dd Job Views: 4 Posted: 29.06.2025 Expiry Date: 13.08.2025 col-wide Job Description: Trusted by … code reviews and knowledge sharing to maintain high-quality standards Tackle complex backend and infrastructure challenges with creativity and autonomy 2–4 years of hands-on experience in software development, ideally in Go and either:Python, Ruby or C#. Experience deploying and managing applications with Kubernetes and Docker Strong working knowledge of relational databases (Postgres, MySQL, Clickhouse) Familiarity More ❯

days from home/office (whatever you prefer!) About the team that drives our platform We're a PropTech scale-up who have created a revolutionary, cloud-based software platform to bring together agents, landlords and tenants online and process all the paperwork electronically. Our small, self-organising squads build the platforms and tools to help us achieve … Tech we use At Goodlord, we pride ourselves on utilising modern technologies to build scalable, efficient, and reliable systems. Our referencing backend is powered by Azure Functions, written in C#, enabling serverless and event-driven architectures. We use Azure Event Grid for seamless event-based messaging and Cosmos DB for data storage. We also use Terraform for infrastructure configuration … Offer to mentor less experienced developers Continuously develop your skillset via tailored professional development objectives and budget What we need from you: Significant experience building web-based applications using C# Demonstrable skills in domain modelling using Object Oriented techniques and principles Proficient in writing automated tests using frameworks such as NUnit, MSTest, or xUnit Strong knowledge of web application More ❯

The Role We are looking for a senior software developer to join our back-end development team working on our core trade execution platform. You will be involved in the design and development of new features for our clients, maintenance and support of existing functionality, and technological improvements to ensure the system is kept up to date with … releases. Quality is of paramount importance as correct behaviour and stability are key to our client’s business. Responsibilities Design efficient and scalable implementations of new features in C C# in a highly concurrent environment Ensuring high quality and maintainable, unit tested code Expanding and maintaining our core execution platform and our continuous integration and automation frameworks in C … C# Developing new tooling in C++/C#/Powershell Assistance with client reported issues. Skills and Experience Essential: C++ C# Multithreaded code Desirable: C++ 17 and later Microsoft SQL Server Powershell More ❯

The Role We are looking for a senior software developer to join our back-end development team working on our core trade execution platform. You will be involved in the design and development of new features for our clients, maintenance and support of existing functionality, and technological improvements to ensure the system is kept up to date with … releases. Quality is of paramount importance as correct behaviour and stability are key to our client’s business. Responsibilities Design efficient and scalable implementations of new features in C C# in a highly concurrent environment Ensuring high quality and maintainable, unit tested code Expanding and maintaining our core execution platform and our continuous integration and automation frameworks in C … C# Developing new tooling in C++/C#/Powershell Assistance with client reported issues. Skills and Experience Essential: C++ C# Multithreaded code Desirable: C++ 17 and later Microsoft SQL Server Powershell More ❯

Software Data Engineer with C# Dot Net, ASP.NET, SQL Server, SSIS, SSRS Our Client is a bank based in Central London looking to recruit a Data Engineer with at least 7 years of experience in C# Dot Net and SQL Server, specifically with SSIS. You must have solid expertise of at least … years’ experience in developing software with C# Dot Net and MS SQL Server, and experience with SSIS, SSRS, and SSAS is very important for this position. Must be an excellent problem solver and adept at writing documentation for all projects. Ideally, you will have worked on banking systems, particularly Core Banking. Responsibilities: Development and delivery of new … Must Have Skills: Software analysis and design. SQL Server query language with SSIS. Data warehouse design concepts (Inmon or Kimball). Experience developing software with C# Dot Net, ASP.NET, and SQL Server. Solid experience working with SSIS and building data warehouses. A degree qualification is required. This is a 12-month FTC position with a More ❯

We’re looking for a Software Engineer to join the team working on Camo ( reincubate.com/camo ). Camo helps you easily get great video for meeting, streaming, or recording, and it’s available on Windows, Mac, iOS, Android, with more platforms in the pipeline. Camo was nominated for an Apple Design Award in 2023 and … working at a values-led, remote, indie business. Here’s Aidan the CEO & founder talking about the role. You will: Build and enhance robust, accessible functionality in our native C# desktop apps Build new and delightful experiences for our users Help evolve our tooling, architecture and development practices Contribute to the product & design vision across the company We will … small, focused team of individual contributors, and like taking ownership of projects from initial planning to release. Wish there were more apps that felt 'just right'. Have strong C# and WPF skills, with familiarity working with a great stack: git, Nunit, Azure, etc. Have the ability and desire to learn, develop, and share new ideas, and implement those More ❯

C# Software Engineer - Open to any OO- Leading Discretionary Trading Fund This leading UK-based discretionary trading fund, boasting AUM of over $16 billion, is looking for a highly skilled C# developer to join their technology team. This team works directly with the researchers and quantitative professionals to solve the toughest of technical challenges … as they are encouraged to take ownership of technical projects, such as delivering massively scalable, high-performance computer operations which the whole firm will use. Although this is a C# role, candidates will be interviewed in their preferred language. Requirements: Minimum 2:1 degree in Computer Science or a related field Excellent programming skills, with an in-depth understanding … of C# desirable Experience with SQL databases Ability to own all aspects of development projects from start to finish Strong problem-solving ability and a desire to solve business problems Tech Stack: C# 9.0, .Net, SQL, React Contact If you're interested in C# roles, please get in touch! Henry Breeze henry.breeze@oxfordknight.co.uk linkedin.com/in/ More ❯

C# .Net Developer 6 Months Initially London - 3 days a week onsite £650 per day - Outside IR35 One of Our Energy trading clients is currently on the search for a Software Engineer to join them on an interim basis. This will be to join them on the development and expansion of their LNG Platform upgrading … the services, adding new features and functionalilities. You will need experience in the following C# .Net Commodities Vendor Management Systems Azure Azure Suite Please apply with an up to date CV to register your interest. More ❯

Social network you want to login/join with: Software Engineer - C# .Net - Commodities, london col-narrow-left Client: SGI Location: london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 6 Posted: 26.06.2025 Expiry Date: 10.08.2025 col-wide Job Description: C# .Net Developer 6 Months Initially London … days a week onsite £650 per day - Outside IR35 One of Our Energy trading clients is currently on the search for a Software Engineer to join them on an interim basis. This … will be to join them on the development and expansion of their LNG Platform upgrading the services, adding new features and functionalilities. You will need experience in the following C# .Net Commodities Vendor Management Systems Azure Azure Suite Please apply with an up to date CV to register your interest. #J-18808-Ljbffr More ❯

Social network you want to login/join with: C# Software Engineer (Fixed Income) - Hybrid Working - Up to £115,000 Base (+ Bonus), london col-narrow-left Client: Hunter Bond Location: london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 05.05.2025 Expiry Date: 19.06.2025 col-wide … Job Description: Job Title: C# Software Engineer (Fixed Income) Salary: Up to £115,000 Base (+ Bonus) Location: London Role: Our client is looking for an experienced C# Software Engineer to join their rapidly expanding development team. They pride themselves on using cutting-edge technologies and a progressive work environment. … As a C# Software Engineer you will be tasked with designing and developing crucial applications for the front office from scratch and working on various data intensive projects. Responsibilities: Responsible for effective and efficient running of the Fixed Income systems, integrated into the wider environment in order to meet the needs of trading desks. Create More ❯

Social network you want to login/join with: Principal Software Engineer - C#/.Net, United Kingdom Client: Harrington Starr Location: United Kingdom Job Category: Other EU work permit required: Yes Job Views: 3 Posted: 28.06.2025 Expiry Date: 12.08.2025 Job Description: Senior Software Engineer - C#/.Net Fully remote based … in the UK. The company This is an opportunity for a Senior Software Engineer to join an award-winning Fintech as they continue their next phase of growth. They create industry-changing solutions, operate in nearly 50 global markets, and are known as a market leader in their space. They have already attracted some of the … affecting various areas of the company. Participate in coding activities supporting design outcomes. What you will need Ability to translate corporate strategy into technical strategy. Senior-level experience with C#/.Net. Ability to identify strengths and weaknesses in enterprise systems. Excellent communication skills and eagerness to learn new skills. Technical leadership and coaching abilities. Awareness of the applicability More ❯

Social network you want to login/join with: C# Software Engineer – Open to any OO, London Client: Oxford Knight Location: London, United Kingdom Job Category: Other - EU work permit required: Yes Job Reference: 2474291c769d Job Views: 3 Posted: 02.06.2025 Expiry Date: 17.07.2025 Job Description: This leading UK-based discretionary trading fund, boasting AUM of … over $16 billion, is looking for a highly skilled C# developer to join their technology team. This team works directly with researchers and quantitative professionals to solve complex technical challenges across all areas of the business, including Risk Management, Quant Analytics, Front Office, and Middle Office. The successful candidate will have an immediate impact by taking ownership of technical … projects, such as delivering massively scalable, high-performance computing operations used throughout the firm. Although this is a C# role, candidates will be interviewed in their preferred language. Requirements: Minimum 2:1 degree in Computer Science or a related field Excellent programming skills, with an in-depth understanding of C# desirable Experience with SQL databases Ability to own More ❯

slight preference to UK/Europe applicants so you're awake at 4am ET long before the markets open. Responsibilities We're seeking a full-time, mid to senior C# engineer to manage, maintain, and expand our data stack. Your responsibilities would be: Monitoring existing data infrastructure (historical processing, daily data updates, and live feeds). Debugging … issues, patching data. Working with third-party vendors to source data for gaps. Onboarding new data-sources to give our community more content for strategies. Required Skills Strong at C#, Linux, Dot Net, OOP coding, and python scripting. Strong at enumerable, streaming code design, efficiently working with terabytes of data. Comfortable with high stakes, on-call nature of data More ❯