eFX Algo IT team. The team develops the pricing, hedging and low latency order and price distribution team systems for the eFX desk. The team consists of Java and C# developers, developing server-side and UI components respectively. This role is specifically a Java role, encompassing low latency market connectivity work and associated services around that. It is a hands More ❯
london (city of london), south east england, united kingdom
GIOS Technology
eFX Algo IT team. The team develops the pricing, hedging and low latency order and price distribution team systems for the eFX desk. The team consists of Java and C# developers, developing server-side and UI components respectively. This role is specifically a Java role, encompassing low latency market connectivity work and associated services around that. It is a hands More ❯
delivery You’ve spent several years defining and implementing modern Quality Engineering concepts including automated testing You’re comfortable working in at least one Object Orientated programming language (Java, C#, Typescript, Python etc) You have hands-on experience with GenAI, or evidence of actively pursuing personal GenAI projects outside of work You are familiar with testing within cloud environments such More ❯
delivery You’ve spent several years defining and implementing modern Quality Engineering concepts including automated testing You’re comfortable working in at least one Object Orientated programming language (Java, C#, Typescript, Python etc) You have hands-on experience with GenAI, or evidence of actively pursuing personal GenAI projects outside of work You are familiar with testing within cloud environments such More ❯
City of London, London, United Kingdom Hybrid / WFH Options
SThree
system design. Experienced in Infrastructure as Code—covering design, security, configuration, integration, deployment, and performance tuning. Working knowledge of one or more programming languages such as Python, PowerShell, Java, C#, PHP, or Ruby. Benefits for our U.K. teams include: The choice to work flexibly from home and the office, in line with our hybrid working principles Bonus linked to company More ❯
system design. Experienced in Infrastructure as Code—covering design, security, configuration, integration, deployment, and performance tuning. Working knowledge of one or more programming languages such as Python, PowerShell, Java, C#, PHP, or Ruby. Benefits for our U.K. teams include: The choice to work flexibly from home and the office, in line with our hybrid working principles Bonus linked to company More ❯
london, south east england, united kingdom Hybrid / WFH Options
SThree
system design. Experienced in Infrastructure as Code—covering design, security, configuration, integration, deployment, and performance tuning. Working knowledge of one or more programming languages such as Python, PowerShell, Java, C#, PHP, or Ruby. Benefits for our U.K. teams include: The choice to work flexibly from home and the office, in line with our hybrid working principles Bonus linked to company More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
SThree
system design. Experienced in Infrastructure as Code—covering design, security, configuration, integration, deployment, and performance tuning. Working knowledge of one or more programming languages such as Python, PowerShell, Java, C#, PHP, or Ruby. Benefits for our U.K. teams include: The choice to work flexibly from home and the office, in line with our hybrid working principles Bonus linked to company More ❯
london, south east england, united kingdom Hybrid / WFH Options
Jigsaw
better if this was in a B2B or SaaS context. You have a strong technical background in software development, with expertise in technologies relevant to Jigsaw's stack (e.g., C#, ASP.NET Core, TypeScript, Vue). We're experimenting meaningfully in applications of AI for making our user experiences even more efficient, so an interest in that area wouldn't go More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Dotwatcher
DotWatcher is looking for a highly motivated Junior Full stack developer .net core 8.0 C#, SQL, Restful API, WebApp to join the London team. This position reports to the Technical Lead. The role requires an experienced candidate with the skills and desire to develop themselves as a key part of the digital team in this fast-paced, digitally native sports … take on a range of responsibilities are key. You will be working on an entry system for ultra racing. Responsibilities: Design, develop and maintain software applications and UI using C#, .net core 8. Ensure the best possible performance, reliability, and quality of DotWatcher. Collaborate on solutions designs and related code. Participate in the software development life cycle from planning to …/UX based on needs. Growing your skills and provide your insight of improvement/optimisation. Communicate with the team to understand the needs. Experience: Proven experience and knowledge C#, .net core of 3+ years. Understanding of dependency injection Experienced with Microsoft .NET technology stack: C#/.NET, .NET Core 8, ASP.Net, Web APIs. Experience with code management tools like More ❯
+ Bonus + Hybrid Location: Central London (Hybrid: 3 days in office) Salary: £35,000–£50,000 + performance bonus + excellent benefits Tech: .NET 6/7, C#, AWS, REST APIs, SQL, CI/CD, Microservices The Opportunity We are partnering with a fast-growing SaaS company in Central London that is expanding its engineering team and looking for … a Junior .NET Software Engineer who is eager to learn, grow, and work with modern technologies. This is a fantastic opportunity for someone with a solid foundation in C# and .NET to develop their skills in cloud computing (AWS), microservices, and modern software engineering practices. You’ll be joining an experienced team that values mentorship, collaboration, and technical excellence — offering … ll contribute to the development of scalable backend systems and web applications while learning from experienced mentors. Your responsibilities will include: Developing backend functionality using .NET 6/7 (C#) Building and consuming RESTful APIs and integrating with databases Working with AWS services as part of a cloud-first environment Supporting the development and maintenance of microservices Writing clean, maintainable More ❯
City of London, London, United Kingdom Hybrid / WFH Options
develop
+ Bonus + Hybrid Location: Central London (Hybrid: 3 days in office) Salary: £35,000–£50,000 + performance bonus + excellent benefits Tech: .NET 6/7, C#, AWS, REST APIs, SQL, CI/CD, Microservices The Opportunity We are partnering with a fast-growing SaaS company in Central London that is expanding its engineering team and looking for … a Junior .NET Software Engineer who is eager to learn, grow, and work with modern technologies. This is a fantastic opportunity for someone with a solid foundation in C# and .NET to develop their skills in cloud computing (AWS), microservices, and modern software engineering practices. You’ll be joining an experienced team that values mentorship, collaboration, and technical excellence — offering … ll contribute to the development of scalable backend systems and web applications while learning from experienced mentors. Your responsibilities will include: Developing backend functionality using .NET 6/7 (C#) Building and consuming RESTful APIs and integrating with databases Working with AWS services as part of a cloud-first environment Supporting the development and maintenance of microservices Writing clean, maintainable More ❯
london, south east england, united kingdom Hybrid / WFH Options
develop
+ Bonus + Hybrid Location: Central London (Hybrid: 3 days in office) Salary: £35,000–£50,000 + performance bonus + excellent benefits Tech: .NET 6/7, C#, AWS, REST APIs, SQL, CI/CD, Microservices The Opportunity We are partnering with a fast-growing SaaS company in Central London that is expanding its engineering team and looking for … a Junior .NET Software Engineer who is eager to learn, grow, and work with modern technologies. This is a fantastic opportunity for someone with a solid foundation in C# and .NET to develop their skills in cloud computing (AWS), microservices, and modern software engineering practices. You’ll be joining an experienced team that values mentorship, collaboration, and technical excellence — offering … ll contribute to the development of scalable backend systems and web applications while learning from experienced mentors. Your responsibilities will include: Developing backend functionality using .NET 6/7 (C#) Building and consuming RESTful APIs and integrating with databases Working with AWS services as part of a cloud-first environment Supporting the development and maintenance of microservices Writing clean, maintainable More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
develop
+ Bonus + Hybrid Location: Central London (Hybrid: 3 days in office) Salary: £35,000–£50,000 + performance bonus + excellent benefits Tech: .NET 6/7, C#, AWS, REST APIs, SQL, CI/CD, Microservices The Opportunity We are partnering with a fast-growing SaaS company in Central London that is expanding its engineering team and looking for … a Junior .NET Software Engineer who is eager to learn, grow, and work with modern technologies. This is a fantastic opportunity for someone with a solid foundation in C# and .NET to develop their skills in cloud computing (AWS), microservices, and modern software engineering practices. You’ll be joining an experienced team that values mentorship, collaboration, and technical excellence — offering … ll contribute to the development of scalable backend systems and web applications while learning from experienced mentors. Your responsibilities will include: Developing backend functionality using .NET 6/7 (C#) Building and consuming RESTful APIs and integrating with databases Working with AWS services as part of a cloud-first environment Supporting the development and maintenance of microservices Writing clean, maintainable More ❯
We are looking for Software Engineers with a strong foundation in API development and C# to join our data engineering team in a highly regulated industry. In this role, you’ll be instrumental in designing and building scalable, secure software systems that support seamless data movement between internal systems, third-party platforms, and cloud services. Your core focus will be … in compliance with strict regulatory standards. We’re seeking candidates with over 5 years of relevant experience, a solid understanding of software system design, and a strong command of C# and modern API development patterns. A background in working with data systems, cloud integrations, and secure, large-scale applications will be highly advantageous. Core Responsibilities: •Design, develop, and maintain scalable … we are looking for a candidate with the following set of technical and soft skills, as both are essential to perform in this role. • Programming Proficiency: •Strong experience with C# and .NET frameworks. •Solid understanding of data structures, algorithms, and programming principles. •Experience working with other relevant languages such as Python, JavaScript, or TypeScript. • Data Systems Knowledge: •Exposure to working More ❯
We are looking for Software Engineers with a strong foundation in API development and C# to join our data engineering team in a highly regulated industry. In this role, you’ll be instrumental in designing and building scalable, secure software systems that support seamless data movement between internal systems, third-party platforms, and cloud services. Your core focus will be … in compliance with strict regulatory standards. We’re seeking candidates with over 5 years of relevant experience, a solid understanding of software system design, and a strong command of C# and modern API development patterns. A background in working with data systems, cloud integrations, and secure, large-scale applications will be highly advantageous. Core Responsibilities: •Design, develop, and maintain scalable … we are looking for a candidate with the following set of technical and soft skills, as both are essential to perform in this role. • Programming Proficiency: •Strong experience with C# and .NET frameworks. •Solid understanding of data structures, algorithms, and programming principles. •Experience working with other relevant languages such as Python, JavaScript, or TypeScript. • Data Systems Knowledge: •Exposure to working More ❯
We are looking for Software Engineers with a strong foundation in API development and C# to join our data engineering team in a highly regulated industry. In this role, you’ll be instrumental in designing and building scalable, secure software systems that support seamless data movement between internal systems, third-party platforms, and cloud services. Your core focus will be … in compliance with strict regulatory standards. We’re seeking candidates with over 5 years of relevant experience, a solid understanding of software system design, and a strong command of C# and modern API development patterns. A background in working with data systems, cloud integrations, and secure, large-scale applications will be highly advantageous. Core Responsibilities: •Design, develop, and maintain scalable … we are looking for a candidate with the following set of technical and soft skills, as both are essential to perform in this role. • Programming Proficiency: •Strong experience with C# and .NET frameworks. •Solid understanding of data structures, algorithms, and programming principles. •Experience working with other relevant languages such as Python, JavaScript, or TypeScript. • Data Systems Knowledge: •Exposure to working More ❯
london (city of london), south east england, united kingdom
BAE Systems
We are looking for Software Engineers with a strong foundation in API development and C# to join our data engineering team in a highly regulated industry. In this role, you’ll be instrumental in designing and building scalable, secure software systems that support seamless data movement between internal systems, third-party platforms, and cloud services. Your core focus will be … in compliance with strict regulatory standards. We’re seeking candidates with over 5 years of relevant experience, a solid understanding of software system design, and a strong command of C# and modern API development patterns. A background in working with data systems, cloud integrations, and secure, large-scale applications will be highly advantageous. Core Responsibilities: •Design, develop, and maintain scalable … we are looking for a candidate with the following set of technical and soft skills, as both are essential to perform in this role. • Programming Proficiency: •Strong experience with C# and .NET frameworks. •Solid understanding of data structures, algorithms, and programming principles. •Experience working with other relevant languages such as Python, JavaScript, or TypeScript. • Data Systems Knowledge: •Exposure to working More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Noir
.NET Developer - Global Phenomenon - 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 has created a global phenomenon, connecting people online to unique travel experiences, in more than 60,000 cities and 180 countries. As they approach their 10th anniversary they are looking … business to operate, and more. We are seeking .NET Developer with a strong grasp of object orientated development principles and sound knowledge of: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. You will receive industry recognized training in all aspects of: .NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful, Web API 2, JavaScript, HTML5, Agile More ❯
Greater London, England, United Kingdom Hybrid / WFH Options
Noir
.NET Developer - Global Phenomenon – 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 has created a global phenomenon, connecting people online to unique travel experiences, in more than 60,000 cities and 180 countries. As they approach their 10th anniversary they are looking … business to operate, and more. We are seeking .NET Developer with a strong grasp of object orientated development principles and sound knowledge of: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. You will receive industry recognized training in all aspects of: .NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful, Web API 2, JavaScript, HTML5, Agile More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Talensa Partners
Full-Stack Software Engineer – C# .NET Business area: Platform Development team Permanent, Hybrid working Located: London, City *Priority hire, so moving quickly!* Talensa are working with a market leading Financial Trading platform company in the City looking to add a talented C# .NET developer to support and drive through platform maintenance, development and innovative solutions for their Institutional clients. With … be comfortable diving into challenges, and have a problem-solving mindset to deliver effective solutions for our clients and ensure the scalability and robust performance of our platform. Required C# .NET - some years experience: - Backend: DotNet, C#, EF Core - Databases: SQL Server - Frontend: TypeScript, JavaScript, Node.js, modern UI frameworks Additional Skills: - Experience with frameworks such as Angular (preferred), React (preferred More ❯
Full-Stack Software Engineer – C# .NET Business area: Platform Development team Permanent, Hybrid working Located: London, City *Priority hire, so moving quickly!* Talensa are working with a market leading Financial Trading platform company in the City looking to add a talented C# .NET developer to support and drive through platform maintenance, development and innovative solutions for their Institutional clients. With … be comfortable diving into challenges, and have a problem-solving mindset to deliver effective solutions for our clients and ensure the scalability and robust performance of our platform. Required C# .NET - some years experience: - Backend: DotNet, C#, EF Core - Databases: SQL Server - Frontend: TypeScript, JavaScript, Node.js, modern UI frameworks Additional Skills: - Experience with frameworks such as Angular (preferred), React (preferred More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Talensa Partners
Full-Stack Software Engineer – C# .NET Business area: Platform Development team Permanent, Hybrid working Located: London, City *Priority hire, so moving quickly!* Talensa are working with a market leading Financial Trading platform company in the City looking to add a talented C# .NET developer to support and drive through platform maintenance, development and innovative solutions for their Institutional clients. With … be comfortable diving into challenges, and have a problem-solving mindset to deliver effective solutions for our clients and ensure the scalability and robust performance of our platform. Required C# .NET - some years experience: - Backend: DotNet, C#, EF Core - Databases: SQL Server - Frontend: TypeScript, JavaScript, Node.js, modern UI frameworks Additional Skills: - Experience with frameworks such as Angular (preferred), React (preferred More ❯
london, south east england, united kingdom Hybrid / WFH Options
Talensa Partners
Full-Stack Software Engineer – C# .NET Business area: Platform Development team Permanent, Hybrid working Located: London, City *Priority hire, so moving quickly!* Talensa are working with a market leading Financial Trading platform company in the City looking to add a talented C# .NET developer to support and drive through platform maintenance, development and innovative solutions for their Institutional clients. With … be comfortable diving into challenges, and have a problem-solving mindset to deliver effective solutions for our clients and ensure the scalability and robust performance of our platform. Required C# .NET - some years experience: - Backend: DotNet, C#, EF Core - Databases: SQL Server - Frontend: TypeScript, JavaScript, Node.js, modern UI frameworks Additional Skills: - Experience with frameworks such as Angular (preferred), React (preferred More ❯
reviews, and cross-functional design sessions. 📍London City, UK 💷Highly competitive salary + benefits package Requirements: Degree in Computer Science, MIS, or related discipline. 4–7 years’ experience with C#/.NET technologies, ideally including ASP.NET Core and Web APIs. 3+ years’ experience developing front-end applications using React, or similar frameworks, but React is the strong preference here. Strong More ❯