1 to 25 of 57 C# Software Engineer Jobs in London

Software Engineer (C#/.Net Core) Fintech Location: Central London Hybrid role Salary - £50k - £60k C#, .Net Core, Blazor, Azure Neulinx has partnered with an innovative fintech startup at the forefront of AI-driven financial market analysis. They have an exciting opportunity for a Software Engineer (C#/.Net … a government grant, they are developing a groundbreaking platform that delivers real-time market insights and predictive analytics for financial professionals. As a Software Engineer (C#/.Net Core) are you ready to help develop and revolutionise the backend infrastructure of our client’s AI trading platform? Skills/Experience: • 1.5 years plus experience as … Software Engineer working with C#, .Net Core 7+, SQL. • Excellent written and verbal communication • Experience working with Entity Framework and API’s. • There may be some frontend work so experience working with Blazor is a bonus. • Familiarity with Agile methodologies • Experience of working with Azure or Cloud based technologies is a bonus. Benefits • Competitive Salary More ❯

Software Engineer (C#/.Net Core) Fintech Location: Central London Hybrid role Salary - £50k - £60k C#, .Net Core, Blazor, Azure Neulinx has partnered with an innovative fintech startup at the forefront of AI-driven financial market analysis. They have an exciting opportunity for a Software Engineer (C#/.Net … a government grant, they are developing a groundbreaking platform that delivers real-time market insights and predictive analytics for financial professionals. As a Software Engineer (C#/.Net Core) are you ready to help develop and revolutionise the backend infrastructure of our client’s AI trading platform? Skills/Experience: • 1.5 years plus experience as … Software Engineer working with C#, .Net Core 7+, SQL. • Excellent written and verbal communication • Experience working with Entity Framework and API’s. • There may be some frontend work so experience working with Blazor is a bonus. • Familiarity with Agile methodologies • Experience of working with Azure or Cloud based technologies is a bonus. Benefits • Competitive Salary More ❯

C# Software Engineer (Front Office), Hedge Fund, London C# Software Engineer (Front Office), Hedge Fund, London Get AI-powered advice on this job and more exclusive features. C# Engineer | Global Hedge Fund | London [On-Site] We are working on behalf of a highly collaborative hedge fund with … 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, you will be working closely with key business stakeholders throughout the business across a range of novel and pre-existing projects; strategic and BAU. This will be a full SDLC mandate 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 ❯

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 ❯

We’re looking for a Backend Engineer to join our global team to be responsible for the quality, development, and execution of our software products. You will be part of a technology department that is comprised of a successful and multidisciplinary group of professionals located across the globe – Barcelona, New York, London, Manchester, Bucharest and India. … potential threats Develop automation tests/collaborate with automation engineers to ensure business needs are met, and allow for regression testing Work closely with users to provide personalized software support as needed Stay updated on emerging technologies and industry trends to continuously improve our backend infrastructure Document application support and operational procedures Mentor junior engineers and provide technical … in computer science, engineering, or related field 3+ years of experience in software development, with a focus on building scalable and reliable systems Extensive knowledge of DotNet C#, LINQ, MS SQL, Entity Framework and related technologies Capable to use version control software such as GIT Knowledge of SOLID principles Knowledge of clean code practices Experience 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 ❯

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 ❯

Exciting opportunity for a Senior .Net C# Software Engineer to join this global Energy company. This is an exciting time to join this world-leading Energy company as it evolves from a traditional Oil & Gas enterprise into a future-focused Energy leader. This transformation includes the establishment of a highly successful new Power Trading desk … Requirements – Essentials • 8+ years of hands-on software development experience, spanning front-end, back-end, and cloud automation/orchestration. • Strong proficiency in back-end development using C# and .NET Core 5/6. • Cloud-native development expertise on Microsoft Azure, including serverless containers (Kubernetes/Docker). • CI/CD pipeline experience, using GitHub Actions or More ❯

Exciting opportunity for a Senior .Net C# Software Engineer to join this global Energy company. This is an exciting time to join this world-leading Energy company as it evolves from a traditional Oil & Gas enterprise into a future-focused Energy leader. This transformation includes the establishment of a highly successful new Power Trading desk … Requirements – Essentials • 8+ years of hands-on software development experience, spanning front-end, back-end, and cloud automation/orchestration. • Strong proficiency in back-end development using C# and .NET Core 5/6. • Cloud-native development expertise on Microsoft Azure, including serverless containers (Kubernetes/Docker). • CI/CD pipeline experience, using GitHub Actions or More ❯

Senior Full Stack Software Engineers with a background in software development using C#/.NET and Blazor OR Angular are required by this major client, to join their teams in Glasgow who build a range of products to support one of their core business functions. To secure one of these Senior Software Engineer roles you must come from a Software Development background and be able to demonstrate the following experience: Be a subject matter expert in full stack C#/.Net Core. Must have hands on experience in Front End development using Blazor, Angular OR React Demonstrable experience building distributed systems and secure products at scale. Have a … the chance to work on a wide range of in house and client facing applications as part of one of their small Agile Squads using the latest versions of C#, .NET on the Azure Cloud. IND_PC2 Carbon60, Lorien & SRG - The Impellam Group STEM Portfolio are acting as an Employment Business in relation to this vacancy. #J-18808-Ljbffr More ❯

Social network you want to login/join with: Senior .Net C# Software Engineer - Global Energy Co, London Client: Eaglecliff Recruitment Location: London, United Kingdom Job Category: Other - EU work permit required: Yes Job Views: 2 Posted: 27.06.2025 Expiry Date: 11.08.2025 Job Description: Exciting opportunity for a Senior .Net C# Software Engineer … Requirements – Essentials 8+ years of hands-on software development experience, spanning front-end, back-end, and cloud automation/orchestration. Strong proficiency in back-end development using C# and .NET Core 5/6. CI/CD pipeline experience, using GitHub Actions or Azure DevOps. Database development skills in SQL, NoSQL, and cloud-native data stores. Front More ❯

Senior) Software Engineer C# & .NET d/f/m Join to apply for the (Senior) Software Engineer C# & .NET d/f/m role at RWE (Senior) Software Engineer C# & .NET d/f/m 1 week ago Be among the first … applicants Join to apply for the (Senior) Software Engineer C# & .NET d/f/m role at RWE RWE Supply & Trading GmbH To start as soon as possible, full time/part time, permanent RWE Supply & Trading GmbH To start as soon as possible, full time/part time, permanent Functional area: IT/… trading and analysis communities as well as support functions and will become an ever increasing asset across the group in the future. You will work apply your expertise in C# and .Net to build robust data services within the Mix system and help us future proof our architecture from a security and technological perspective . This role is perfect More ❯

and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Client Server Backend Software Engineer/Developer (C# .Net Core Cloud CQRS) London/WFH to £80k Are you a technologist with strong backend C# .Net skills? You could be progressing your career at in a … Software Engineer 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 … 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 Software Engineer C# .Net - relocate to Newcastle! This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Client Server Senior Software Engineer/Developer (C# … Software Engineer, you will collaborate with a small, talented team to deliver the core trading platform within a Microsoft environment, using the latest versions of C# .Net to produce high-quality code. The company has ambitious growth plans, and this is a great opportunity to be involved from the ground up and advance your career. … 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 beneficial. You have a strong knowledge of modern software engineering best practices and experience across the full software More ❯

Social network you want to login/join with: Software Engineer (.NET C#), south west london col-narrow-left Client: TransPerfect Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 1 Posted: 06.06.2025 Expiry Date: 21.07.2025 col-wide Job Description: We’re looking for a … Backend Engineer to join our global team to be responsible for the quality, development, and execution of our software products. You will be part of a technology department that is comprised of a successful and multidisciplinary group of professionals located across the globe – Barcelona, New York, London, Manchester, Bucharest and India. If you’re ready to … in computer science, engineering, or related field 3+ years of experience in software development, with a focus on building scalable and reliable systems Extensive knowledge of DotNet C#, LINQ, MS SQL, Entity Framework and related technologies Capable to use version control software such as GIT Knowledge of SOLID principles Knowledge of clean code practices Experience More ❯

Social network you want to login/join with: Backend Software Engineer C# .Net - Trading, london col-narrow-left Client: Client Server Location: london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 28.06.2025 Expiry Date: 12.08.2025 col-wide Job Description: Backend Software Engineer/Developer (C# .Net Core Cloud CQRS) London/WFH to £80k Are you a technologist with strong backend C# .Net skills? You could be progressing your career at in a senior, hands-on role Backend Software Engineer role at a successful and scaling Retail FX Brokerage working on complex and interesting … Software Engineer 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 More ❯

of exciting projects, including playing a key role in the launch of a brand-new mobile app scheduled for September 2025. The successful candidate will bring deep expertise in C# development, cloud infrastructure, and AI technologies, contributing to the business' ongoing digital evolution. Main Purpose of the Role:Lead backend development and play a key role in the mobile … technical solutions.Manage multiple projects simultaneously within a fast-paced FinTech environment. What They Are Looking For:7+ years of senior-level software development experience.Deep commercial experience with C# development.Strong knowledge of AWS cloud services and infrastructure.Proven experience with CI/CD pipeline development and deployment automation.Experience contributing to mobile app development projects.Keen interest and practical experience in … environment.Opportunity to directly contribute to the delivery of a major FinTech mobile app launch. Apply today to be considered for this fantastic Senior Software Engineer (C#) opportunity. Interviews are taking place shortly! Established in Didsbury, Connexa Technology Ltd is becoming one of the UK's fastest growing IT and Technology recruitment companies. People. Technology. Connected. More ❯

Job Description The Role Trayport is actively looking for a Senior Software Developer to join our team for the design and development of our flagship data analytics platform where you will contribute to System Architecture, aid colleagues to help coordinate our projects and review code too. Our platform ingests hundreds of millions of data points every day and … movements. We process real-time market data feeds that together add hundreds of millions of data points to our dataset every day. We encourage ownership across the entire software lifecycle, and will value your input on each stage. We take an iterative approach to solve problems and continually improve our product. If you are interested in building customer … practices, we would love to hear from you. Responsibilities Contribute to System Architecture, Aid colleagues to help coordinate our projects Peer review code The Person Strong working knowledge of C# or Kotlin Experience writing efficient, concurrent .NET code Experience working on distributed systems Strong knowledge of Kubernetes and Kafka Experience with Git, and Deployment Pipelines Having worked with at More ❯

Join to apply for the Lead Software Engineer C# .Net Azure role at Free-Work UK 1 day ago Be among the first 25 applicants Join to apply for the Lead Software Engineer C# .Net Azure role at Free-Work UK This range is provided by Free-Work UK. Your … actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range 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 … 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 More ❯

Principal Software Engineer C# .Net Core Blazor Euston, London Contact Name: James Clarke Telephone: 01908 752385 Principal Engineer required to come in at the early stages of this next generation IT security Start-Up to join a small team of 5 in shaping the future for the entire software engineering department. … Based onsite a short walk from Euston, London station 5 days a week. We're looking for someone who: Cares deeply about producing high quality work with C# .Net Core and Blazor. Has spent at least a few years shipping software at some degree of scale and on critical systems. Ideally from a Product focused background and … their energy from getting things done and in the hands of customers but is also here to have fun along the way! Works the entire full stack, mostly in C# on .NET Core 8 but also Terraform and building out our frontend in HTMX. Salary of up to £100k plus share options and a generous package available in return More ❯

Job Description I am supporting a leading global FinTech based in London with their search for a Senior Software Engineer . You'll join one of their core engineering squads and work on a key platform used by their global customer base. This role involves working on a greenfield project, providing an opportunity to make significant … decisions and influence the project's direction and future developments. The ideal candidate is a passionate Engineer who can drive the product forward and effectively communicate with various stakeholders within the company. You will need to be a GREAT COMMUNICATOR and collaborate with a team of Engineers. A … strong passion for software development and engineering is essential. Required technical skills include: React.js - 6+ years (solid understanding of fundamentals & up-to-date with latest tools) TypeScript C# .Net Node.js Azure Additional qualities needed: Good Communication skills Stakeholder Management Fintech/Finance experience is a plus The company has an excellent office in Central London, with a More ❯

Job Description Full Stack C#/Angular Developer - London (3 days a week) - £90-95K + Bonus & Benefits Senior Full Stack Developer with C#, .NET, and Angular is required to join a small, talented, and dynamic team in London (3 days a week onsite) playing a key role in a major tech modernisation project. This well-established … hedge fund, with a 30-year track record of success, is looking for an experienced Full Stack Engineer to help migrate legacy C# applications to Angular and contribute to the development of cutting-edge financial systems. You'll work in a collaborative environment, leveraging your skills in . NET, C#, Angular, SQL Server, and gaining exposure … of the team have been there for 5+ years! Apply now to join this forward-thinking development team and take your Full Stack Development skills to the next level! C#, Angular, Full Stack, London, ASP.NET, SQL Server, RabbitMQ. Financial experience not required. Must have the right to work in the UK. #J-18808-Ljbffr 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 ❯