76 to 99 of 99 .NET Core Jobs in London

OBD diagnostics, API-based vehicle integrations, and real-time energy data streams. The Role We’re looking for a skilled Backend Developer with strong experience in C# and the .NET ecosystem to help us scale and evolve our core data and API infrastructure. You’ll play a central role in designing, building, and optimising services that power … This role is primarily backend-focused, but familiarity with modern frontend frameworks (React/React Native/Next.js) is a bonus. Key Responsibilities Develop and maintain robust, high-performance .NET 8+ APIs and services. Work with Azure Functions , Blob Storage , Queues , and SQL/NoSQL databases to build scalable, event-driven systems. Design and optimise APIs that serve our … data integrity. Help evolve our internal tools and services to support ClearWatt’s growing product suite. What We’re Looking For 2+ years of professional experience with C# and .NET Core . Experience building REST APIs or microservices at scale. Familiarity with cloud-native design and Azure services . Understanding of async programming, dependency injection, and distributed More ❯

OBD diagnostics, API-based vehicle integrations, and real-time energy data streams. The Role We’re looking for a skilled Backend Developer with strong experience in C# and the .NET ecosystem to help us scale and evolve our core data and API infrastructure. You’ll play a central role in designing, building, and optimising services that power … This role is primarily backend-focused, but familiarity with modern frontend frameworks (React/React Native/Next.js) is a bonus. Key Responsibilities Develop and maintain robust, high-performance .NET 8+ APIs and services. Work with Azure Functions , Blob Storage , Queues , and SQL/NoSQL databases to build scalable, event-driven systems. Design and optimise APIs that serve our … data integrity. Help evolve our internal tools and services to support ClearWatt’s growing product suite. What We’re Looking For 2+ years of professional experience with C# and .NET Core . Experience building REST APIs or microservices at scale. Familiarity with cloud-native design and Azure services . Understanding of async programming, dependency injection, and distributed More ❯

complete with onboarding, documentation, and usage examples. Working closely with internal teams to deliver a scalable, compliant, and well-documented solution. Writing clean, well-structured code using C#/.NET Core (with possible TypeScript/JavaScript extensions). What We’re Looking For: Strong background in Microsoft Azure , including API Management , Azure AD , and App Services . More ❯

a fast-paced environment. Key Responsibilities: Develop, enhance, and maintain regulatory reporting systems to support business and compliance needs. Design and deliver high-quality, efficient, and scalable software using .NET/C# and SQL . Collaborate closely with the Regulatory Reporting business teams to ensure the technology stack meets current and future requirements. Participate in Agile ceremonies (Scrums, Sprints … Support IT strategy, risk, and regulatory initiatives across the EMEA region. Promote a collaborative, inclusive, and high-performing team culture. Key Skills & Experience: Strong hands-on development experience in .NET Core and C# . Advanced knowledge of SQL/T-SQL and data modelling. Experience working within the financial services or regulatory reporting domain preferred. Strong analytical More ❯

a fast-paced environment. Key Responsibilities: Develop, enhance, and maintain regulatory reporting systems to support business and compliance needs. Design and deliver high-quality, efficient, and scalable software using .NET/C# and SQL . Collaborate closely with the Regulatory Reporting business teams to ensure the technology stack meets current and future requirements. Participate in Agile ceremonies (Scrums, Sprints … Support IT strategy, risk, and regulatory initiatives across the EMEA region. Promote a collaborative, inclusive, and high-performing team culture. Key Skills & Experience: Strong hands-on development experience in .NET Core and C# . Advanced knowledge of SQL/T-SQL and data modelling. Experience working within the financial services or regulatory reporting domain preferred. Strong analytical More ❯

driven innovations to improve system performance and risk analysis Work effectively with global teams across multiple locations Key Requirements Strong hands-on experience in software engineering using C# and .NET Core Solid understanding of CI/CD tools and practices (e.g., Jenkins, TeamCity, Git, Nexus) Experience within enterprise-level or investment banking environments, ideally in Risk Technology More ❯

Software Engineer C#, .NET Core, NUnit, Postgres, AWS, Azure, Kubernetes, Docker. City of London, United Kingdom Perm Role: £65,000 - £80,000 Harrington Starr has partnered with a Global Financial Technology company, and they are looking to hire a Mid - Senior C#, .Net Software Engineer, with experience working with highly scalable and performant systems. This is … salary up to £80,000 based on experience. Funded additional training and development and certifications. Excellent bonus structure. What skills, experience and qualifications required: Strong commercial experience with C#, .NET Core. Experience working with cloud technology (Azure/AWS). Strong commercial experience working with highly scalable and high-performance systems. Excellent communication skills. Full, unrestricted right to work … the UK. This role offers hybrid working, with an office location based in the City of London. This role will suit a Mid - Senior Software Engineer, with strong C#, .Net experience, having a direct impact from the get-go! For any additional questions, please contact me via LinkedIn or through email - ollie.bluck@harringtonstarr.com. If you feel this role is More ❯

technologies that enhance our communication capabilities. Participate in end-to-end system design, from architecture to deployment. Experience and Qualifications: Degree in Software Engineering or related discipline. C#.NET Core Experience in multithreaded applications - Task Parallel Library specifically Test driven development TDD Git Strong communication skills both with the team and externally SIP signalling/RTP Realtime Transport Protocol More ❯

technologies that enhance our communication capabilities. Participate in end-to-end system design, from architecture to deployment. Experience and Qualifications: Degree in Software Engineering or related discipline. C#.NET Core Experience in multithreaded applications - Task Parallel Library specifically Test driven development TDD Git Strong communication skills both with the team and externally SIP signalling/RTP Realtime Transport Protocol More ❯

strategy, promoting innovation and best practices Essential Skills & Experience: 8+ years in software development within financial services or other complex enterprise environments is a must have Skilled in C#, .NET Core, Angular (v17+), SQL Server, Azure, microservices, and Power BI Experience in unit testing, test automation, and Agile delivery Knowledge of compliance, regulatory reporting, and enterprise operational More ❯

a willingness to take on responsibilities and challenges. · Work comfortably and proactively from design briefs rather than water-tight specification Software/language skills: Essential (proven experience required) · C# .Net Core application development (at least 2 years) · Microsoft Entity Framework · LinQ · Microsoft Visual Studio IDE (v17 upwards (2022)) Preferred · C# WebAPI development (OAuth2) · Microsoft SQL Server · Knowledge More ❯

strategy, promoting innovation and best practices Essential Skills & Experience: 8+ years in software development within financial services or other complex enterprise environments is a must have Skilled in C#, .NET Core, Angular (v17+), SQL Server, Azure, microservices, and Power BI Experience in unit testing, test automation, and Agile delivery Knowledge of compliance, regulatory reporting, and enterprise operational More ❯

a willingness to take on responsibilities and challenges. · Work comfortably and proactively from design briefs rather than water-tight specification Software/language skills: Essential (proven experience required) · C# .Net Core application development (at least 2 years) · Microsoft Entity Framework · LinQ · Microsoft Visual Studio IDE (v17 upwards (2022)) Preferred · C# WebAPI development (OAuth2) · Microsoft SQL Server · Knowledge More ❯

C#.NET, .NET Core, Entity, API's, SQL Server, GIT, Agile, Windows Server, EDI New Permanent Developer role. Office-based 3-4 days, candidates must live within an easy commute of the office location in Croydon/Purley Our client is looking to increase its Software Development/IT team due to continued business growth. A good understanding More ❯

C#.NET, .NET Core, Entity, API's, SQL Server, GIT, Agile, Windows Server, EDI New Permanent Developer role. Office-based 3-4 days, candidates must live within an easy commute of the office location in Croydon/Purley Our client is seeking to expand its Software Development/IT team in response to continued business growth. A good More ❯

C#.NET, .NET Core, Entity, API's, SQL Server, GIT, Agile, Windows Server, EDI New Permanent Developer role. Office-based 3-4 days, candidates must live within an easy commute of the office location in Croydon/Purley Our client is looking to increase its Software Development/IT team due to continued business growth. A good understanding More ❯

Refine feature requirements Carry out code reviews Keeping pace with Technology What you’ll need: At least 3+ years of experience in software engineering, with strong proficiency in C#, .NET Core, AWS, Node.JS, Databases (SQL, NoSQL) Skills and the ability to break down complex challenges into manageable, actionable tasks. Excellent communication skills, with a collaborative approach to More ❯

Refine feature requirements Carry out code reviews Keeping pace with Technology What you’ll need: At least 3+ years of experience in software engineering, with strong proficiency in C#, .NET Core, AWS, Node.JS, Databases (SQL, NoSQL) Skills and the ability to break down complex challenges into manageable, actionable tasks. Excellent communication skills, with a collaborative approach to More ❯

Refine feature requirements Carry out code reviews Keeping pace with Technology What you’ll need: At least 3+ years of experience in software engineering, with strong proficiency in C#, .NET Core, AWS, Node.JS, Databases (SQL, NoSQL) Skills and the ability to break down complex challenges into manageable, actionable tasks. Excellent communication skills, with a collaborative approach to More ❯

Refine feature requirements Carry out code reviews Keeping pace with Technology What you’ll need: At least 3+ years of experience in software engineering, with strong proficiency in C#, .NET Core, AWS, Node.JS, Databases (SQL, NoSQL) Skills and the ability to break down complex challenges into manageable, actionable tasks. Excellent communication skills, with a collaborative approach to More ❯

in support of delivery. Your Profile Essential skills/knowledge/experience: Expertise across enterprise product delivery and engineering practices in a commercial environment. Good understanding of Tech Stack - .Net Core, SQL, Azure PaaS and SaaS services for Mobile App development. Experience with JIRA, confluence and automated testing and release management tools. Project and Program management methodology. More ❯

in support of delivery. Your Profile Essential skills/knowledge/experience: Expertise across enterprise product delivery and engineering practices in a commercial environment. Good understanding of Tech Stack - .Net Core, SQL, Azure PaaS and SaaS services for Mobile App development. Experience with JIRA, confluence and automated testing and release management tools. Project and Program management methodology. More ❯

in support of delivery. Your Profile Essential skills/knowledge/experience: Expertise across enterprise product delivery and engineering practices in a commercial environment. Good understanding of Tech Stack - .Net Core, SQL, Azure PaaS and SaaS services for Mobile App development. Experience with JIRA, confluence and automated testing and release management tools. Project and Program management methodology. More ❯

in support of delivery. Your Profile Essential skills/knowledge/experience: Expertise across enterprise product delivery and engineering practices in a commercial environment. Good understanding of Tech Stack - .Net Core, SQL, Azure PaaS and SaaS services for Mobile App development. Experience with JIRA, confluence and automated testing and release management tools. Project and Program management methodology. More ❯