51 to 75 of 136 .NET Framework Jobs in London

and environmental impact . Key Responsibilities Lead technical strategy and oversee architecture for scalable, data-driven systems. Remain actively hands-on , designing and developing high-performance C#/.NET back-end systems . Mentor and guide a growing team of developers setting technical standards and driving best practices. Oversee end-to-end solution delivery, ensuring performance, security, and … Developer/Engineering Lead/CTO in data-heavy environments Demonstrable history of technical excellence and leadership in commercial software development Technical Expertise Advanced proficiency in C#/.NET Core/.NET Framework Strong command of Azure Cloud Services Deep experience with SQL Server and high-volume transactional systems Expertise in data architecture, performance More ❯

and environmental impact . Key Responsibilities Lead technical strategy and oversee architecture for scalable, data-driven systems. Remain actively hands-on , designing and developing high-performance C#/.NET back-end systems . Mentor and guide a growing team of developers — setting technical standards and driving best practices. Oversee end-to-end solution delivery, ensuring performance, security, and … Developer/Engineering Lead/CTO in data-heavy environments Demonstrable history of technical excellence and leadership in commercial software development Technical Expertise Advanced proficiency in C#/.NET Core/.NET Framework Strong command of Azure Cloud Services Deep experience with SQL Server and high-volume transactional systems Expertise in data architecture, performance More ❯

and environmental impact . Key Responsibilities Lead technical strategy and oversee architecture for scalable, data-driven systems. Remain actively hands-on , designing and developing high-performance C#/.NET back-end systems . Mentor and guide a growing team of developers — setting technical standards and driving best practices. Oversee end-to-end solution delivery, ensuring performance, security, and … Developer/Engineering Lead/CTO in data-heavy environments Demonstrable history of technical excellence and leadership in commercial software development Technical Expertise Advanced proficiency in C#/.NET Core/.NET Framework Strong command of Azure Cloud Services Deep experience with SQL Server and high-volume transactional systems Expertise in data architecture, performance More ❯

and environmental impact . Key Responsibilities Lead technical strategy and oversee architecture for scalable, data-driven systems. Remain actively hands-on , designing and developing high-performance C#/.NET back-end systems . Mentor and guide a growing team of developers — setting technical standards and driving best practices. Oversee end-to-end solution delivery, ensuring performance, security, and … Developer/Engineering Lead/CTO in data-heavy environments Demonstrable history of technical excellence and leadership in commercial software development Technical Expertise Advanced proficiency in C#/.NET Core/.NET Framework Strong command of Azure Cloud Services Deep experience with SQL Server and high-volume transactional systems Expertise in data architecture, performance More ❯

and environmental impact . Key Responsibilities Lead technical strategy and oversee architecture for scalable, data-driven systems. Remain actively hands-on , designing and developing high-performance C#/.NET back-end systems . Mentor and guide a growing team of developers — setting technical standards and driving best practices. Oversee end-to-end solution delivery, ensuring performance, security, and … Developer/Engineering Lead/CTO in data-heavy environments Demonstrable history of technical excellence and leadership in commercial software development Technical Expertise Advanced proficiency in C#/.NET Core/.NET Framework Strong command of Azure Cloud Services Deep experience with SQL Server and high-volume transactional systems Expertise in data architecture, performance More ❯

and environmental impact . Key Responsibilities Lead technical strategy and oversee architecture for scalable, data-driven systems. Remain actively hands-on , designing and developing high-performance C#/.NET back-end systems . Mentor and guide a growing team of developers — setting technical standards and driving best practices. Oversee end-to-end solution delivery, ensuring performance, security, and … Developer/Engineering Lead/CTO in data-heavy environments Demonstrable history of technical excellence and leadership in commercial software development Technical Expertise Advanced proficiency in C#/.NET Core/.NET Framework Strong command of Azure Cloud Services Deep experience with SQL Server and high-volume transactional systems Expertise in data architecture, performance More ❯

and environmental impact . Key Responsibilities Lead technical strategy and oversee architecture for scalable, data-driven systems. Remain actively hands-on , designing and developing high-performance C#/.NET back-end systems . Mentor and guide a growing team of developers — setting technical standards and driving best practices. Oversee end-to-end solution delivery, ensuring performance, security, and … Developer/Engineering Lead/CTO in data-heavy environments Demonstrable history of technical excellence and leadership in commercial software development Technical Expertise Advanced proficiency in C#/.NET Core/.NET Framework Strong command of Azure Cloud Services Deep experience with SQL Server and high-volume transactional systems Expertise in data architecture, performance More ❯

C#, ASP.NET, MVC, HTML, CSS, JavaScript, Entity Framework, SQL. Azure Service Bus. C++, FIX protocol, SignalR, RabbitMQ, Azure DevOps. Great new permanent opportunity to join our client-based London area. They are a quality-driven development team focused on delivering a great product. The environment is collaborative with real, in-depth technical expertise in their financial sector. It More ❯

C#, ASP.NET, MVC, HTML, CSS, JavaScript, Entity Framework, SQL. Azure Service Bus. C++, FIX protocol, SignalR, RabbitMQ, Azure DevOps. Great new permanent opportunity to join our client-based London area. They are a quality-driven development team focused on delivering a great product. The environment is collaborative with real, in-depth technical expertise in their financial sector. It More ❯

Lead .NET Developer | Legacy to Modern | C#, .Net | SaaS Data A fast-growing SaaS business is investing heavily in its tech platform and building out a senior engineering hub in London. They’re on the lookout for a .NET Specialist to help drive modernisation, set technical direction, and mentor squads as they scale. This … Expect to spend plenty of time coding, alongside leading migrations and mentoring engineers. What you’ll be doing: Own design + build of complex apps with C# and .NET Core/Framework Lead migrations from Web Forms/ASMX to modern stacks (.NET Core, MVC, REST APIs) Influence the technical roadmap across multiple squads … Mentor developers through code reviews and architectural guidance Optimise SQL/T-SQL performance for production systems What we’re looking for: Strong background in C# and modern .NET Core Comfortable balancing legacy upkeep with platform modernisation Confident with IIS, AWS, TeamCity, Octopus Deploy, SQL Server Bonus points for exposure to Angular or Telerik libraries Experience in a More ❯

Lead .NET Developer | Legacy to Modern | C#, .Net | SaaS Data A fast-growing SaaS business is investing heavily in its tech platform and building out a senior engineering hub in London. They’re on the lookout for a .NET Specialist to help drive modernisation, set technical direction, and mentor squads as they scale. This … Expect to spend plenty of time coding, alongside leading migrations and mentoring engineers. What you’ll be doing: Own design + build of complex apps with C# and .NET Core/Framework Lead migrations from Web Forms/ASMX to modern stacks (.NET Core, MVC, REST APIs) Influence the technical roadmap across multiple squads … Mentor developers through code reviews and architectural guidance Optimise SQL/T-SQL performance for production systems What we’re looking for: Strong background in C# and modern .NET Core Comfortable balancing legacy upkeep with platform modernisation Confident with IIS, AWS, TeamCity, Octopus Deploy, SQL Server Bonus points for exposure to Angular or Telerik libraries Experience in a More ❯

Lead .NET Developer | Legacy to Modern | C#, .Net | SaaS Data A fast-growing SaaS business is investing heavily in its tech platform and building out a senior engineering hub in London. They’re on the lookout for a .NET Specialist to help drive modernisation, set technical direction, and mentor squads as they scale. This … Expect to spend plenty of time coding, alongside leading migrations and mentoring engineers. What you’ll be doing: Own design + build of complex apps with C# and .NET Core/Framework Lead migrations from Web Forms/ASMX to modern stacks (.NET Core, MVC, REST APIs) Influence the technical roadmap across multiple squads … Mentor developers through code reviews and architectural guidance Optimise SQL/T-SQL performance for production systems What we’re looking for: Strong background in C# and modern .NET Core Comfortable balancing legacy upkeep with platform modernisation Confident with IIS, AWS, TeamCity, Octopus Deploy, SQL Server Bonus points for exposure to Angular or Telerik libraries Experience in a More ❯

Lead .NET Developer | Legacy to Modern | C#, .Net | SaaS Data A fast-growing SaaS business is investing heavily in its tech platform and building out a senior engineering hub in London. They’re on the lookout for a .NET Specialist to help drive modernisation, set technical direction, and mentor squads as they scale. This … Expect to spend plenty of time coding, alongside leading migrations and mentoring engineers. What you’ll be doing: Own design + build of complex apps with C# and .NET Core/Framework Lead migrations from Web Forms/ASMX to modern stacks (.NET Core, MVC, REST APIs) Influence the technical roadmap across multiple squads … Mentor developers through code reviews and architectural guidance Optimise SQL/T-SQL performance for production systems What we’re looking for: Strong background in C# and modern .NET Core Comfortable balancing legacy upkeep with platform modernisation Confident with IIS, AWS, TeamCity, Octopus Deploy, SQL Server Bonus points for exposure to Angular or Telerik libraries Experience in a More ❯

business logic and actuarial models. Key Responsibilities Lead the design and delivery of high-quality insurance-based applications and system integrations. Provide hands-on coding expertise across C#, .NET Framework/Core, MVC , and Web APIs . Collaborate with business and actuarial teams to develop and maintain Rulebook-based pricing solutions . Produce technical specifications, ensure More ❯

business logic and actuarial models. Key Responsibilities Lead the design and delivery of high-quality insurance-based applications and system integrations. Provide hands-on coding expertise across C#, .NET Framework/Core, MVC , and Web APIs . Collaborate with business and actuarial teams to develop and maintain Rulebook-based pricing solutions . Produce technical specifications, ensure More ❯

business logic and actuarial models. Key Responsibilities Lead the design and delivery of high-quality insurance-based applications and system integrations. Provide hands-on coding expertise across C#, .NET Framework/Core, MVC , and Web APIs . Collaborate with business and actuarial teams to develop and maintain Rulebook-based pricing solutions . Produce technical specifications, ensure More ❯

business logic and actuarial models. Key Responsibilities Lead the design and delivery of high-quality insurance-based applications and system integrations. Provide hands-on coding expertise across C#, .NET Framework/Core, MVC , and Web APIs . Collaborate with business and actuarial teams to develop and maintain Rulebook-based pricing solutions . Produce technical specifications, ensure More ❯

level solution architecture and detailed Technical Design documentation Experienced in data integration and data migration Experience with onsite/offshore delivery models Experience with defined frameworks (MVC, Entity Framework and Enterprise Library) Strong client facing communication skills Experienced providing Pre-Sales demonstrations. Technically experienced in: SQL Server 2008 or above with custom report experience through SQL Server Reporting … Services (SSRS) and FetchXML .NET Framework Version 4.5 or above including strong WCF\ Web API experience Knowledge of Web development, HTML, CSS, JSON, XML, Javascript and SQL C# and OOPS concepts Good to have experience and knowledge of Microsoft Azure Power Apps and Portal Field Services Customer Insight What education and certification credentials are needed for More ❯

C# .NET Developer Location: London (3 days onsite per week) Contract: 6 months Rate: £415 per day (via umbrella company) We're looking for a hands-on C# .NET Developer to join our JRIE Development team as an AVP. This is a fantastic opportunity to work on business-critical Windows applications in a collaborative, technically strong … you have a passion for backend development, large-scale databases, and delivering high-quality code, we'd love to hear from you. Key Responsibilities Develop and maintain C# .NET Windows applications using SQL Server and Oracle. Translate business requirements into scalable technical solutions. Write and optimize SQL scripts (T-SQL and PL/SQL). Support production, disaster … application change history. Provide occasional out-of-hours support (weekday/weekend). What We're Looking For Essential Skills & Experience Strong hands-on experience in C# and .NET development. Solid background in Windows application development. Proficient in SQL scripting, especially with large datasets. Understanding of MS .NET Framework and object-oriented programming. Excellent More ❯

C# Developer to join a busy development team within a leading financial environment. The role involves designing, developing and supporting a range of business applications built on the Microsoft .NET platform. You’ll be working closely with database and infrastructure teams, supporting both new and existing systems in a fast-paced environment. Key Responsibilities: Develop and maintain applications … using C# and the .NET Framework Support and enhance existing Windows and web-based systems Work with SQL Server and Oracle databases, writing efficient T-SQL and PL/SQL queries Follow change management and release procedures to ensure system stability Troubleshoot application, database and environment issues across multiple teams Provide occasional out-of-hours or … weekend support when needed Skills and Experience: Strong C#/.NET development background Good understanding of object-oriented programming Experience with SQL Server or Oracle databases Familiarity with IIS and Windows application development Excellent communication and problem-solving skills Desirable: Exposure to DevOps, CI/CD tools or Agile environments Experience with web applications or infrastructure configuration This More ❯

C# Developer to join a busy development team within a leading financial environment. The role involves designing, developing and supporting a range of business applications built on the Microsoft .NET platform. You’ll be working closely with database and infrastructure teams, supporting both new and existing systems in a fast-paced environment. Key Responsibilities: Develop and maintain applications … using C# and the .NET Framework Support and enhance existing Windows and web-based systems Work with SQL Server and Oracle databases, writing efficient T-SQL and PL/SQL queries Follow change management and release procedures to ensure system stability Troubleshoot application, database and environment issues across multiple teams Provide occasional out-of-hours or … weekend support when needed Skills and Experience: Strong C#/.NET development background Good understanding of object-oriented programming Experience with SQL Server or Oracle databases Familiarity with IIS and Windows application development Excellent communication and problem-solving skills Desirable: Exposure to DevOps, CI/CD tools or Agile environments Experience with web applications or infrastructure configuration This More ❯

C# Developer to join a busy development team within a leading financial environment. The role involves designing, developing and supporting a range of business applications built on the Microsoft .NET platform. You’ll be working closely with database and infrastructure teams, supporting both new and existing systems in a fast-paced environment. Key Responsibilities: Develop and maintain applications … using C# and the .NET Framework Support and enhance existing Windows and web-based systems Work with SQL Server and Oracle databases, writing efficient T-SQL and PL/SQL queries Follow change management and release procedures to ensure system stability Troubleshoot application, database and environment issues across multiple teams Provide occasional out-of-hours or … weekend support when needed Skills and Experience: Strong C#/.NET development background Good understanding of object-oriented programming Experience with SQL Server or Oracle databases Familiarity with IIS and Windows application development Excellent communication and problem-solving skills Desirable: Exposure to DevOps, CI/CD tools or Agile environments Experience with web applications or infrastructure configuration This More ❯

C# Developer to join a busy development team within a leading financial environment. The role involves designing, developing and supporting a range of business applications built on the Microsoft .NET platform. You’ll be working closely with database and infrastructure teams, supporting both new and existing systems in a fast-paced environment. Key Responsibilities: Develop and maintain applications … using C# and the .NET Framework Support and enhance existing Windows and web-based systems Work with SQL Server and Oracle databases, writing efficient T-SQL and PL/SQL queries Follow change management and release procedures to ensure system stability Troubleshoot application, database and environment issues across multiple teams Provide occasional out-of-hours or … weekend support when needed Skills and Experience: Strong C#/.NET development background Good understanding of object-oriented programming Experience with SQL Server or Oracle databases Familiarity with IIS and Windows application development Excellent communication and problem-solving skills Desirable: Exposure to DevOps, CI/CD tools or Agile environments Experience with web applications or infrastructure configuration This More ❯

a Back-End Microsoft Developer Strong Academic Background with Demonstrable Achievements Proven ability to excel in time-constrained, algorithmic problem-solving Technical Expertise: Advanced Proficiency in: C# and .NET Framework Microsoft Azure Cloud Platform SQL and SQL Server Complex Data-Driven Software Development Strong Algorithm and Data Structure Knowledge Preferred Background: Experience in FinTech or Similar More ❯

Remote roles for award-winning specialist agricultural software company. Delivering sustainable farming data-driven technology solutions. Degree educated with proven track record as C#/.Net Back-End Developer. Remote-Friendly Software Development Opportunity in Agricultural Technology Join an award-winning agricultural analytics software company at the forefront of sustainable technology. We're seeking exceptional Back-End Developers … a Back-End Microsoft Developer Strong Academic Background with Demonstrable Achievements Proven ability to excel in time-constrained, algorithmic problem-solving Technical Expertise: Advanced Proficiency in: C# and .NET Framework Microsoft Azure Cloud Platform SQL and SQL Server Complex Data-Driven Software Development Strong Algorithm and Data Structure Knowledge Preferred Background: Experience in FinTech or Similar More ❯