826 to 850 of 988 C# Jobs in London

Global bank based in Canary Wharf. Role - C#/WPF/WCF/Winform Developer Duration - 6 months with likely extension Rate - £415 p/d (inside IR35) Location - Hybrid/Canary Wharf Tech Stack C# WPF Winforms SQL Oracle Tasks Tasks range from understanding business requirements, designing application structures, business data analysis, programming WPF (Windows Presentation Foundation) applications in More ❯

V19-V23 preferred), as well as API design and development fundamentals and with API testing using tools such as Swagger Good SQL/Sybase skills; building modern applications with C# Strong hands-on development experience with: AVS, OpenJVS, Open Components, Java, SQL, C#, Python Connex Gateways for trade booking and market data integration Real-Time Position Engine (RTPE) and Automated More ❯

V19-V23 preferred), as well as API design and development fundamentals and with API testing using tools such as Swagger Good SQL/Sybase skills; building modern applications with C# Strong hands-on development experience with: AVS, OpenJVS, Open Components, Java, SQL, C#, Python Connex Gateways for trade booking and market data integration Real-Time Position Engine (RTPE) and Automated More ❯

V19-V23 preferred), as well as API design and development fundamentals and with API testing using tools such as Swagger Good SQL/Sybase skills; building modern applications with C# Strong hands-on development experience with: AVS, OpenJVS, Open Components, Java, SQL, C#, Python Connex Gateways for trade booking and market data integration Real-Time Position Engine (RTPE) and Automated More ❯

V19-V23 preferred), as well as API design and development fundamentals and with API testing using tools such as Swagger Good SQL/Sybase skills; building modern applications with C# Strong hands-on development experience with: AVS, OpenJVS, Open Components, Java, SQL, C#, Python Connex Gateways for trade booking and market data integration Real-Time Position Engine (RTPE) and Automated More ❯

Our Investment Banking client is looking for a highly skilled C# Fullstack Developer to join their London team in a permanent capacity. Skills required: Key Responsibilities: Collaborate with middle and back office teams to understand requirements and deliver robust technical solutions. Develop and maintain fullstack applications using modern technologies. Contribute to DevOps processes and CI/CD pipelines. Work with … large data models and multithreaded systems. Essential Skills: Strong proficiency in C# and backend development. Frontend experience with Angular and AG Grid . Solid understanding of SQL Server and database design. Familiarity with Jenkins or other DevOps tools. Ability to build strong relationships with stakeholders and communicate technical concepts clearly. Desirable: Experience in PnL systems , multithreading , or large data models More ❯

Our Investment Banking client is looking for a highly skilled C# Fullstack Developer to join their London team in a permanent capacity. Skills required: Key Responsibilities: Collaborate with middle and back office teams to understand requirements and deliver robust technical solutions. Develop and maintain fullstack applications using modern technologies. Contribute to DevOps processes and CI/CD pipelines. Work with … large data models and multithreaded systems. Essential Skills: Strong proficiency in C# and backend development. Frontend experience with Angular and AG Grid . Solid understanding of SQL Server and database design. Familiarity with Jenkins or other DevOps tools. Ability to build strong relationships with stakeholders and communicate technical concepts clearly. Desirable: Experience in PnL systems , multithreading , or large data models More ❯

Our Investment Banking client is looking for a highly skilled C# Fullstack Developer to join their London team in a permanent capacity. Skills required: Key Responsibilities: Collaborate with middle and back office teams to understand requirements and deliver robust technical solutions. Develop and maintain fullstack applications using modern technologies. Contribute to DevOps processes and CI/CD pipelines. Work with … large data models and multithreaded systems. Essential Skills: Strong proficiency in C# and backend development. Frontend experience with Angular and AG Grid . Solid understanding of SQL Server and database design. Familiarity with Jenkins or other DevOps tools. Ability to build strong relationships with stakeholders and communicate technical concepts clearly. Desirable: Experience in PnL systems , multithreading , or large data models More ❯

Our Investment Banking client is looking for a highly skilled C# Fullstack Developer to join their London team in a permanent capacity. Skills required: Key Responsibilities: Collaborate with middle and back office teams to understand requirements and deliver robust technical solutions. Develop and maintain fullstack applications using modern technologies. Contribute to DevOps processes and CI/CD pipelines. Work with … large data models and multithreaded systems. Essential Skills: Strong proficiency in C# and backend development. Frontend experience with Angular and AG Grid . Solid understanding of SQL Server and database design. Familiarity with Jenkins or other DevOps tools. Ability to build strong relationships with stakeholders and communicate technical concepts clearly. Desirable: Experience in PnL systems , multithreading , or large data models More ❯

Senior Software Engineer Key Technologies: C#, .NET, React, AWS, Docker, Kubernetes City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join their growing team! This role provides the perfect opportunity to launch your career in a … Pension scheme. Hybrid working in Central London. Excellent salary base of up to £120,000 based on experience. Key skills, experience and qualifications required: Excellent knowledge and experience with C#, .NET and React.. Experience with cloud technology – specifically AWS. Knowledge of TDD/BDD. Excellent communication skills. Unrestricted right to work in the UK. This role offers hybrid working, with … an office location based in the City of London. This role will suit a Senior Software Engineer, with expert C#, .NET experience and commercial use of React having a direct impact from the get-go. Apply below and if you have any questions, please contact me via LinkedIn or email – ollie.bluck@harringtonstarr.com. More ❯

Senior Software Engineer Key Technologies: C#, .NET, React, AWS, Docker, Kubernetes City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join their growing team! This role provides the perfect opportunity to launch your career in a … Pension scheme. Hybrid working in Central London. Excellent salary base of up to £120,000 based on experience. Key skills, experience and qualifications required: Excellent knowledge and experience with C#, .NET and React.. Experience with cloud technology – specifically AWS. Knowledge of TDD/BDD. Excellent communication skills. Unrestricted right to work in the UK. This role offers hybrid working, with … an office location based in the City of London. This role will suit a Senior Software Engineer, with expert C#, .NET experience and commercial use of React having a direct impact from the get-go. Apply below and if you have any questions, please contact me via LinkedIn or email – ollie.bluck@harringtonstarr.com. More ❯

Senior Software Engineer Key Technologies: C#, .NET, React, AWS, Docker, Kubernetes City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join their growing team! This role provides the perfect opportunity to launch your career in a … Pension scheme. Hybrid working in Central London. Excellent salary base of up to £120,000 based on experience. Key skills, experience and qualifications required: Excellent knowledge and experience with C#, .NET and React.. Experience with cloud technology – specifically AWS. Knowledge of TDD/BDD. Excellent communication skills. Unrestricted right to work in the UK. This role offers hybrid working, with … an office location based in the City of London. This role will suit a Senior Software Engineer, with expert C#, .NET experience and commercial use of React having a direct impact from the get-go. Apply below and if you have any questions, please contact me via LinkedIn or email – ollie.bluck@harringtonstarr.com. More ❯

Senior Software Engineer Key Technologies: C#, .NET, React, AWS, Docker, Kubernetes City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join their growing team! This role provides the perfect opportunity to launch your career in a … Pension scheme. Hybrid working in Central London. Excellent salary base of up to £120,000 based on experience. Key skills, experience and qualifications required: Excellent knowledge and experience with C#, .NET and React.. Experience with cloud technology – specifically AWS. Knowledge of TDD/BDD. Excellent communication skills. Unrestricted right to work in the UK. This role offers hybrid working, with … an office location based in the City of London. This role will suit a Senior Software Engineer, with expert C#, .NET experience and commercial use of React having a direct impact from the get-go. Apply below and if you have any questions, please contact me via LinkedIn or email – ollie.bluck@harringtonstarr.com. More ❯

Azure DevOps Engineer DevOps Engineer - Fintech Start-Up - London (Tech stack: DevOps Engineer, Cloud, Azure, AKS, Linux, Windows, CI/CD, .NET, C#, CI/CD, Docker, Terraform, github, Kubernetes, DevOps Engineer) We have several fantastic new roles for DevOps Engineer (Azure, Linux, Windows, DevOps Engineer, Cloud, Azure, Linux, Windows, CI/CD, .NET, C#, Docker, Terraform, Github, app services … of the following (full training will be provided to fill any gaps in your skill set: Azure, Linux, Windows, DevOps Engineer, Cloud, Azure, Linux, Windows, CI/CD, .NET, C#, CI/CD, Docker, Terraform, Github, app services, service bus PaaS, AKS, Kubernetes, DevOps Engineer. This is your opportunity to be part of a new, technically challenging project and to … day a month in the office) Salary: £60-75K+ Bonus + Pension + Benefits Azure, Linux, Windows, DevOps Engineer, Cloud, Azure, Linux, Windows, CI/CD, .NET, C#, CI/CD, Docker, Terraform, Github, app services, service bus PaaS, AKS, Kubernetes, DevOps Engineer. To apply for this position please send your CV to Lina Savjani at Noir. #NOIRUKTECHREC #NOIRUKREC More ❯

Azure DevOps Engineer DevOps Engineer - Fintech Start-Up - London (Tech stack: DevOps Engineer, Cloud, Azure, AKS, Linux, Windows, CI/CD, .NET, C#, CI/CD, Docker, Terraform, github, Kubernetes, DevOps Engineer) We have several fantastic new roles for DevOps Engineer (Azure, Linux, Windows, DevOps Engineer, Cloud, Azure, Linux, Windows, CI/CD, .NET, C#, Docker, Terraform, Github, app services … of the following (full training will be provided to fill any gaps in your skill set: Azure, Linux, Windows, DevOps Engineer, Cloud, Azure, Linux, Windows, CI/CD, .NET, C#, CI/CD, Docker, Terraform, Github, app services, service bus PaaS, AKS, Kubernetes, DevOps Engineer. This is your opportunity to be part of a new, technically challenging project and to … day a month in the office) Salary: £60-75K+ Bonus + Pension + Benefits Azure, Linux, Windows, DevOps Engineer, Cloud, Azure, Linux, Windows, CI/CD, .NET, C#, CI/CD, Docker, Terraform, Github, app services, service bus PaaS, AKS, Kubernetes, DevOps Engineer. To apply for this position please send your CV to Lina Savjani at Noir. #NOIRUKTECHREC #NOIRUKREC More ❯

is an exciting opportunity to join a forward-thinking fintech organisation where your leadership and technical expertise will directly influence the success of a greenfield project. 💻 Tech stack: .NET, C#, Azure, Event Sourcing, Event Driven Architecture 🏡 Hybrid working – office located in London, Greater London, United Kingdom ⌚ Initial 6-month contract with likely extension 💸 Day rate: Up to £478/day … Outside IR35 🗓️ ASAP start date Key Responsibilities: Lead the design and development of backend services and APIs using C# and .NET Architect and implement Event Driven and Event Sourcing systems in Azure Collaborate with cross-functional teams to define technical requirements Mentor and guide junior engineers, promoting best practices and a high-performance engineering culture Conduct code reviews, assess architectural … decisions, and suggest process improvements Ensure applications are secure, scalable, resilient, and observable Requirements: Extensive experience developing applications in .NET and C# within complex environments Deep understanding of Azure cloud services architecture and deployment Hands-on experience with Event Driven Architecture and Event Sourcing principles Strong familiarity with CI/CD processes and automated testing frameworks Proven leadership experience in More ❯

is an exciting opportunity to join a forward-thinking fintech organisation where your leadership and technical expertise will directly influence the success of a greenfield project. 💻 Tech stack: .NET, C#, Azure, Event Sourcing, Event Driven Architecture 🏡 Hybrid working – office located in London, Greater London, United Kingdom ⌚ Initial 6-month contract with likely extension 💸 Day rate: Up to £478/day … Outside IR35 🗓️ ASAP start date Key Responsibilities: Lead the design and development of backend services and APIs using C# and .NET Architect and implement Event Driven and Event Sourcing systems in Azure Collaborate with cross-functional teams to define technical requirements Mentor and guide junior engineers, promoting best practices and a high-performance engineering culture Conduct code reviews, assess architectural … decisions, and suggest process improvements Ensure applications are secure, scalable, resilient, and observable Requirements: Extensive experience developing applications in .NET and C# within complex environments Deep understanding of Azure cloud services architecture and deployment Hands-on experience with Event Driven Architecture and Event Sourcing principles Strong familiarity with CI/CD processes and automated testing frameworks Proven leadership experience in More ❯

is an exciting opportunity to join a forward-thinking fintech organisation where your leadership and technical expertise will directly influence the success of a greenfield project. 💻 Tech stack: .NET, C#, Azure, Event Sourcing, Event Driven Architecture 🏡 Hybrid working – office located in London, Greater London, United Kingdom ⌚ Initial 6-month contract with likely extension 💸 Day rate: Up to £478/day … Outside IR35 🗓️ ASAP start date Key Responsibilities: Lead the design and development of backend services and APIs using C# and .NET Architect and implement Event Driven and Event Sourcing systems in Azure Collaborate with cross-functional teams to define technical requirements Mentor and guide junior engineers, promoting best practices and a high-performance engineering culture Conduct code reviews, assess architectural … decisions, and suggest process improvements Ensure applications are secure, scalable, resilient, and observable Requirements: Extensive experience developing applications in .NET and C# within complex environments Deep understanding of Azure cloud services architecture and deployment Hands-on experience with Event Driven Architecture and Event Sourcing principles Strong familiarity with CI/CD processes and automated testing frameworks Proven leadership experience in More ❯

is an exciting opportunity to join a forward-thinking fintech organisation where your leadership and technical expertise will directly influence the success of a greenfield project. 💻 Tech stack: .NET, C#, Azure, Event Sourcing, Event Driven Architecture 🏡 Hybrid working – office located in London, Greater London, United Kingdom ⌚ Initial 6-month contract with likely extension 💸 Day rate: Up to £478/day … Outside IR35 🗓️ ASAP start date Key Responsibilities: Lead the design and development of backend services and APIs using C# and .NET Architect and implement Event Driven and Event Sourcing systems in Azure Collaborate with cross-functional teams to define technical requirements Mentor and guide junior engineers, promoting best practices and a high-performance engineering culture Conduct code reviews, assess architectural … decisions, and suggest process improvements Ensure applications are secure, scalable, resilient, and observable Requirements: Extensive experience developing applications in .NET and C# within complex environments Deep understanding of Azure cloud services architecture and deployment Hands-on experience with Event Driven Architecture and Event Sourcing principles Strong familiarity with CI/CD processes and automated testing frameworks Proven leadership experience in More ❯

systems communicate, scale, and deliver value across the business. The Role You’ll be responsible for designing and developing high-performance integrations that connect core systems and partners, using C#, Python, and Azure cloud technologies . This is a hands-on engineering role that also offers the opportunity to influence architecture, best practices, and technology direction. What You’ll Be … Doing Designing, building, and maintaining high-throughput, reliable integration components using C# and Python Developing and optimising SQL interactions that underpin APIs and message-driven workflows Implementing asynchronous messaging via Azure Service Bus (or similar) to decouple systems and ensure scalability and resilience Building workflow automations with Azure Logic Apps to orchestrate processes and connect enterprise systems Managing API exposure … long-term maintainability Championing best practices around API versioning, secure messaging, error handling, monitoring, and CI/CD automation What We’re Looking For Strong hands-on experience with C# and Python in production settings Proven proficiency in SQL – from database design to performance tuning Practical experience with Azure Service Bus (queues, topics) or comparable enterprise messaging technologies Experience using More ❯

systems communicate, scale, and deliver value across the business. The Role You’ll be responsible for designing and developing high-performance integrations that connect core systems and partners, using C#, Python, and Azure cloud technologies . This is a hands-on engineering role that also offers the opportunity to influence architecture, best practices, and technology direction. What You’ll Be … Doing Designing, building, and maintaining high-throughput, reliable integration components using C# and Python Developing and optimising SQL interactions that underpin APIs and message-driven workflows Implementing asynchronous messaging via Azure Service Bus (or similar) to decouple systems and ensure scalability and resilience Building workflow automations with Azure Logic Apps to orchestrate processes and connect enterprise systems Managing API exposure … long-term maintainability Championing best practices around API versioning, secure messaging, error handling, monitoring, and CI/CD automation What We’re Looking For Strong hands-on experience with C# and Python in production settings Proven proficiency in SQL – from database design to performance tuning Practical experience with Azure Service Bus (queues, topics) or comparable enterprise messaging technologies Experience using More ❯

systems communicate, scale, and deliver value across the business. The Role You’ll be responsible for designing and developing high-performance integrations that connect core systems and partners, using C#, Python, and Azure cloud technologies . This is a hands-on engineering role that also offers the opportunity to influence architecture, best practices, and technology direction. What You’ll Be … Doing Designing, building, and maintaining high-throughput, reliable integration components using C# and Python Developing and optimising SQL interactions that underpin APIs and message-driven workflows Implementing asynchronous messaging via Azure Service Bus (or similar) to decouple systems and ensure scalability and resilience Building workflow automations with Azure Logic Apps to orchestrate processes and connect enterprise systems Managing API exposure … long-term maintainability Championing best practices around API versioning, secure messaging, error handling, monitoring, and CI/CD automation What We’re Looking For Strong hands-on experience with C# and Python in production settings Proven proficiency in SQL – from database design to performance tuning Practical experience with Azure Service Bus (queues, topics) or comparable enterprise messaging technologies Experience using More ❯

systems communicate, scale, and deliver value across the business. The Role You’ll be responsible for designing and developing high-performance integrations that connect core systems and partners, using C#, Python, and Azure cloud technologies . This is a hands-on engineering role that also offers the opportunity to influence architecture, best practices, and technology direction. What You’ll Be … Doing Designing, building, and maintaining high-throughput, reliable integration components using C# and Python Developing and optimising SQL interactions that underpin APIs and message-driven workflows Implementing asynchronous messaging via Azure Service Bus (or similar) to decouple systems and ensure scalability and resilience Building workflow automations with Azure Logic Apps to orchestrate processes and connect enterprise systems Managing API exposure … long-term maintainability Championing best practices around API versioning, secure messaging, error handling, monitoring, and CI/CD automation What We’re Looking For Strong hands-on experience with C# and Python in production settings Proven proficiency in SQL – from database design to performance tuning Practical experience with Azure Service Bus (queues, topics) or comparable enterprise messaging technologies Experience using More ❯

Founding C# Engineer - Cybersecurity - Seed-Stage Start-Up Join an early-stage cybersecurity start-up on a mission to transform how modern organisations detect and respond to threats across cloud and enterprise systems. Theyre already working with forward-thinking customers - and now were hiring exceptional engineers to help build the future of security from the ground up. Why Join Join … CI/CD, scalable cloud design Move fast, deploy frequently, and focus on customer value over bureaucracy About You 3+ years experience building backend systems at scale Strong in C#, Python , Go , Java or similar backend languages Familiar with cloud platforms (AWS, GCP, or Azure) Pragmatic engineer who values both speed and quality Excited by cybersecurity - no prior experience needed … able to collaborate in-person regularly This is a unique opportunity to join at seed stage , own core systems, and help define how modern security platforms are built. Founding C# Engineer - Cybersecurity - Seed-Stage Start-Up More ❯

Founding C# Engineer - Cybersecurity - Seed-Stage Start-Up Join an early-stage cybersecurity start-up on a mission to transform how modern organisations detect and respond to threats across cloud and enterprise systems. They’re already working with forward-thinking customers - and now we’re hiring exceptional engineers to help build the future of security from the ground up. Why … CI/CD, scalable cloud design Move fast, deploy frequently, and focus on customer value over bureaucracy About You 3+ years’ experience building backend systems at scale Strong in C#, Python , Go , Java or similar backend languages Familiar with cloud platforms (AWS, GCP, or Azure) Pragmatic engineer who values both speed and quality Excited by cybersecurity - no prior experience needed … able to collaborate in-person regularly This is a unique opportunity to join at seed stage , own core systems, and help define how modern security platforms are built. Founding C# Engineer - Cybersecurity - Seed-Stage Start-Up More ❯