10 of 10 C# Software Engineer Jobs in London

Software Engineer/Developer (C# .Net) London onsite to £90k Are you an experienced C#, backend focussed Software Engineer? You could be progressing your career in a hands-on, backend focussed Software Engineer role at a global sports trading firm, earning substantial bonuses. What's in … of front end work with JavaScript and React.js. Location: You'll be based in plush City office on a fulltime basis, Monday to Friday. About you: You have strong C# .Net, ASP.Net development experience You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science … management skills You are degree educated in Computer Science or similar technical discipline Apply now to find out more about this Software Engineer/Developer (C# .Net) 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 employer whose More ❯

Senior Software Engineer/Developer (C# .Net) London onsite to £150k Are you an experienced C#, backend focussed Software Engineer? You could be progressing your career in a senior, hands-on role at a global Asset Manager with c$3 million under management. As a Senior Software Engineer … front end work with JavaScript and React.js. Location: You'll be based in plush City office on a fulltime basis, Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals … Pension Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Apply now to find out more about this Senior Software Engineer/Developer (C# .Net) 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 employer whose More ❯

Software Engineer/Full Stack Developer (C# .Net React) London/WFH to £70k Are you a Full Stack Software Engineer with C# .Net and React skills? You could be progressing your career in a senior, hands-on role at a global tech company that provide data centric software … Software Engineer within a cross discipline Agile product team you will design and develop data centric software using a range of technology with C# .Net backend and TypeScript and React frontend; you'll also use a range of other technology in the stack including Snowflake, Azure, Python and SQL. The team has lots … through to delivery. Location/WFH: There's a hybrid work from home policy, with 1-2 days a week in the London office. About you: You have strong C# .Net backend skills You also have frontend development experience with React and/or TypeScript You have Azure cloud experience You have a data centric mindset, ideally with Snowflake More ❯

Job title: C# Senior Software Engineer (VP) Client: Investment Firm Experience Level: 5+ years' Salary: - Up to £130k + Bonus Location: London (Hybrid) An elite investment client are searching for Senior C# Developers to join a group of the highest-regarded talent around! Role This is to build out a key risk management platform … the use of the latest frameworks within .Net Skills/Experience Proven experience working as a Software Engineer within the financial services domain Knowledge of C# .Net core Degree in Computer Science/Engineering is preferred! Experience with any web technologies including WPF or React is sought after too More ❯

Job title: C# Senior Software Engineer (VP) Client: Investment Firm Experience Level: 5+ years' Salary: - Up to £130k + Bonus Location: London (Hybrid) An elite investment client are searching for Senior C# Developers to join a group of the highest-regarded talent around! Role This is to build out a key risk management platform … the use of the latest frameworks within .Net Skills/Experience Proven experience working as a Software Engineer within the financial services domain Knowledge of C# .Net core Degree in Computer Science/Engineering is preferred! Experience with any web technologies including WPF or React is sought after too More ❯

Role: Mid/Senior Software Engineer Salary: £70,000 - £85,000 Industry: FinTech Working Model: Remote First (London HQ - 1 day per quarter in office) About the Company WeDo have partnered with a high-growth FinTech scale-up reshaping embedded finance. Circa 250-300 Employees. Platform in production for 8-10 years. They’re entering “scale … there being several positions, there is an element of flexibility around the expectations for engineers falling within the Mid to Senior range. There are roughly currently 25 across Software Engineering and you will be helping with ongoing feature development and platform enhancement. There are nuances across some of the teams, for example some having a bias towards payment … as opposed to worrying to much about tooling, the client are keen to focus more on engineers who are pragmatic with the right aptitude towards growth. Tech Stack Backend: C# .NET (event-driven, domain-driven design) Frontend: Angular Infrastructure: AWS (EKS), Docker, Terraform (Azure background also welcome) Databases: MongoDB, PostgreSQL Platform is mature and stable and most work is More ❯

Principal Full Stack Engineer – React, Typescript, C#, .NET Core, MySQL, AWS Services (serverless) Outstanding permanent opportunity to join this global, market leading, B2B SaaS tech business as a Principal Engineer (Full Stack)/Lead Full Stack Developer with deep expertise in React, Typescript, C#, .Net Core, MySQL, AWS Serverless Services and event driven architecture. … environment. What You’ll Be Doing: Own architecture and technical decisions across squads; accountable for how software is built and shipped. Design and develop distributed, scalable microservices (C# .NET Core or Node.js) and REST/JSON APIs. Build modern React + TypeScript UIs with component-driven design, advanced state management, and reusable frameworks. Leverage AWS services (Lambda … modernisation: sunset legacy code, reduce tech debt, and improve performance, reliability, and observability. Who We’re Looking For: Highly experienced full stack engineer with strong proficiency in C# .NET Core and/or Node.js , plus React + TypeScript expertise. Proven experience designing event-driven, microservices architectures on AWS with secure, scalable patterns. Deep knowledge of API design More ❯

Principal Full Stack Engineer – React, Typescript, C#, .NET Core, MySQL, AWS Services (serverless) Outstanding permanent opportunity to join this global, market leading, B2B SaaS tech business as a Principal Engineer (Full Stack)/Lead Full Stack Developer with deep expertise in React, Typescript, C#, .Net Core, MySQL, AWS Serverless Services and event driven architecture. … environment. What You’ll Be Doing: Own architecture and technical decisions across squads; accountable for how software is built and shipped. Design and develop distributed, scalable microservices (C# .NET Core or Node.js) and REST/JSON APIs. Build modern React + TypeScript UIs with component-driven design, advanced state management, and reusable frameworks. Leverage AWS services (Lambda … modernisation: sunset legacy code, reduce tech debt, and improve performance, reliability, and observability. Who We’re Looking For: Highly experienced full stack engineer with strong proficiency in C# .NET Core and/or Node.js , plus React + TypeScript expertise. Proven experience designing event-driven, microservices architectures on AWS with secure, scalable patterns. Deep knowledge of API design More ❯

multi-billion dollar markets. They are not just iterating—they are redefining how businesses handle essential data. ✨ About the Opportunity The client is searching for a Senior Backend Engineer to join their technical team. This is a chance to work with clean-slate technology and directly influence the visual and interactive experience of a platform already gaining traction … B2B space. Scale: Their platform is poised for massive growth as they expand globally. Ownership: Take significant architectural and design ownership from day one. 🛠️ Technical Requirements: Building the Interface C#/.NET expertise Deep understanding and practical application of SOLID principles, Domain-Driven Design (DDD), and Clean Architecture. Driven by a results-focused approach and passionate about achieving technical … excellence that directly contributes to business objectives. 💡 What We're Looking For You are a seasoned, pragmatic, and creative engineer who: Thrives in the ambiguity and excitement of a high-growth startup environment. Possesses deep expertise in modern BE technologies and architectural patterns. Wants to be a part of a culture where senior ownership and technical quality are More ❯

multi-billion dollar markets. They are not just iterating—they are redefining how businesses handle essential data. ✨ About the Opportunity The client is searching for a Senior Backend Engineer to join their technical team. This is a chance to work with clean-slate technology and directly influence the visual and interactive experience of a platform already gaining traction … B2B space. Scale: Their platform is poised for massive growth as they expand globally. Ownership: Take significant architectural and design ownership from day one. 🛠️ Technical Requirements: Building the Interface C#/.NET expertise Deep understanding and practical application of SOLID principles, Domain-Driven Design (DDD), and Clean Architecture. Driven by a results-focused approach and passionate about achieving technical … excellence that directly contributes to business objectives. 💡 What We're Looking For You are a seasoned, pragmatic, and creative engineer who: Thrives in the ambiguity and excitement of a high-growth startup environment. Possesses deep expertise in modern BE technologies and architectural patterns. Wants to be a part of a culture where senior ownership and technical quality are More ❯