51 to 75 of 126 .NET Core Jobs in London

Are you an experienced .NET Developer looking to work on high-impact projects in the financial domain? We’re partnering with a leading global financial services organisation to expand their London technology team. This is an excellent opportunity to contribute to cutting-edge systems in Capital Markets and Risk Management , working with modern tools and robust enterprise-level platforms. … Key Responsibilities Design, develop, and maintain robust applications using C#, .NET Core/.NET Framework . Collaborate with business and technology teams across the full software development lifecycle — from requirements gathering to deployment. Build scalable, high-performance solutions using MVC architecture , RESTful APIs , and strong OOP principles. Develop and optimise complex SQL queries for SQL Server … CD pipelines using Git and modern DevOps practices. Support both legacy and modern systems , contributing to technology uplift initiatives. Skills & Experience 8–10 years of hands-on experience in .NET software development . Strong proficiency in C#, .NET Core/.NET Framework , and SQL Server . Proven experience developing Windows desktop apps (WinForms, WPF) and More ❯

candidate will be a technical leader with deep expertise in cloud-native and hybrid solutions, infrastructure as code (IaC) using Terraform, and our core tech stack, including .NET Core and Angular. You will be responsible for ensuring the scalability, security, and reliability of our cloud environment, driving our cloud adoption strategy, and providing technical guidance … and maintain Infrastructure as Code (IaC) using Terraform to automate the provisioning and management of Azure resources. Provide architectural guidance and technical leadership to development teams building applications with .NET Core and Angular. Oversee the entire software development lifecycle, from initial design and architecture to deployment and monitoring. Establish and enforce best practices for cloud development, security … not limited to Azure App Service, Azure Kubernetes Service, Azure Functions, and Azure SQL. Demonstrable experience developing and maintaining Infrastructure as Code (IaC) with Terraform. Strong background in the .NET ecosystem, including hands-on experience with .NET Core. Proficiency with modern front-end frameworks, such as Angular. Solid understanding of cloud security principles, network architecture, and best practices. More ❯

.NET Developer - Fastest-Growing Internet Co Ever – 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 is changing the way merchants and consumers connect with each other worldwide, and the change has barely started. In 2024, they were the … of tools and services for local businesses to help them understand their customers better, compete effectively, and increase profits. To help them on this mission, they are looking for .NET Developer to work on the development of complex Greenfield software applications. .NET Developer applicants should have detailed knowledge of: .NET, .NET Core/ASP.NET … MVC, C# and Azure SQL. Our client can provide you with training into: .NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful, Web API 2, JavaScript, HTML5, Agile and MongoDB. These positions come with an extensive benefits package including bonuses, pension, private medical healthcare, a training budget and 25 days holiday. Location: London, UK/Remote Working More ❯

Espire Infolabs is hiring for Senior .Net Developer for London, UK location. Role : Dot Net Developer/Lead Location: London, UK(3 Days/week onsite) Desired Industry Experience: 7+ years Relevant Experience: .Net Core, Azure functions, Azure Functions, Microservice Architecture. Job Description: Proven experience as a .NET Core Developer with expertise in … Microsoft Azure. Proficiency in C# and .NET Core for server-side development. Excellent Coding skills and best practices Strong experience of Azure services, including but not limited to Azure App Service, Azure Functions, Azure SQL Database, and Azure DevOps. Experience with containerization technologies (e.g., Docker) and orchestration (e.g., Kubernetes) is a plus. Familiarity with cloud security best More ❯

Senior Software Engineer | 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 Senior Software Engineer to help drive modernisation, set technical direction, and mentor squads as they scale. This is a senior, hands … fit for the future. Expect to spend plenty of time coding, alongside leading migrations and leading/mentoring 4 engineers. You will have complete autonomy for all things C# .NET in the business, including decision making on strategy around the direction of the products, the projects, leading the team and liaising with external consultancies etc. What you’ll be … doing: Design and build complex apps with C# and .NET Core/Framework Lead migrations from Web Forms/ASMX to modern stacks (.NET Core, MVC, REST APIs) Contribute to the technical roadmap and influence best practices across squads Partner with QA, Product, and DevOps to deliver reliable features in agile sprints Implement and More ❯

Senior Software Engineer | 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 Senior Software Engineer to help drive modernisation, set technical direction, and mentor squads as they scale. This is a senior, hands … fit for the future. Expect to spend plenty of time coding, alongside leading migrations and leading/mentoring 4 engineers. You will have complete autonomy for all things C# .NET in the business, including decision making on strategy around the direction of the products, the projects, leading the team and liaising with external consultancies etc. What you’ll be … doing: Design and build complex apps with C# and .NET Core/Framework Lead migrations from Web Forms/ASMX to modern stacks (.NET Core, MVC, REST APIs) Contribute to the technical roadmap and influence best practices across squads Partner with QA, Product, and DevOps to deliver reliable features in agile sprints Implement and More ❯

Senior C# Developer/Backend Software Engineer (C# .Net) *Newcastle onsite* to £130k+ Are you a Senior C# Developer looking to escape the hustle and bustle of London and relocate to somewhere with stunning scenery and a better quality of life (there's also great restaurants and bars!)? You could be joining a rapidly scaling FinTech start-up based … Senior C# Developer you will collaborate with a small, talented team to deliver the core trading platform within a Microsoft environment using the latest versions of C# .Net to produce high quality code. The company has ambitious growth plans, this is a great opportunity to be involved from the ground up and progress your career. Location: You … by A*s and As at A-level You're a technologist who enjoys collaborating and problem solving, working on complex, distributed systems You have expertise with modern C# .Net Core, Python skills would also be of benefit You have a strong knowledge of modern software engineering best practices and have experience across the full software development More ❯

Technical Lead Remote - Candidate must be able to travel to London on occasion £80,000-£90,000 + Bonus + 25 days holiday .Net Core, Azure, SQL Server, CI/CD, AI Are you a Technical Lead, who loves being a hands on developer as well as growing and developing teams? Do you have a passion for … leading properly development scaleup, who are looking for a Technical Lead to join their small dynamic team. This role will see you leading from the front, architecting and delivering .Net core code as they look to rebuild their system. Your role as Technical Lead will be integral in shaping the businesses engineering strategy, to drive quality, performance … team in the future and be responsible for leading the function. To be considered for this position you must be a full stack developer, with a experience working with .Net Core, MVC, Azure, SQL Server and AI. You will also need to have led on projects previously and grown and developed teams. The role can be fully More ❯

Technical Lead Remote - Candidate must be able to travel to London on occasion £80,000-£90,000 + Bonus + 25 days holiday .Net Core, Azure, SQL Server, CI/CD, AI Are you a Technical Lead, who loves being a hands on developer as well as growing and developing teams? Do you have a passion for … leading properly development scaleup, who are looking for a Technical Lead to join their small dynamic team. This role will see you leading from the front, architecting and delivering .Net core code as they look to rebuild their system. Your role as Technical Lead will be integral in shaping the businesses engineering strategy, to drive quality, performance … team in the future and be responsible for leading the function. To be considered for this position you must be a full stack developer, with a experience working with .Net Core, MVC, Azure, SQL Server and AI. You will also need to have led on projects previously and grown and developed teams. The role can be fully More ❯

.NET Developer, C# - Financial Consultancy - London (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Azure, WPF, MVVM, Prism, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Established in the early 1970s, our client delivers cutting edge I.T solutions to banks. With over 70,000 employees in over 50 countries and … strong partnerships with some of the most respected vendors across the globe (Microsoft, Oracle, SAP, etc), they have evolved into a modern consulting firm. We are seeking 4 .NET Developer to work on complex Greenfield .NET/C# software development projects within the banking arena. You will be given full project life cycle exposure and the opportunity to … technically lead teams of up to 10 Consultants. The ideal .NET Developer candidates will have strong experience on the .NET framework. We can entertain applications from .NET Developer candidates with experience in either web application development (.NET Core/ASP.NET MVC, C#) or windows/desktop development (C#.NET). My client can provide training More ❯

.NET Developer, Graduate/Junior - Computer Gaming Company - London (Tech stack: Graduate/Junior .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, Graduate/Junior .NET Developer) Having sold over 100 million games consoles and over 500 million games over the last decade, my client is undoubtedly the … world's most recognised computer gaming brand. We have 2 brand new requirements for Graduate/Junior .NET Developer to work in their plush London offices. These roles would be suitable Graduate/Junior .NET Developer who have recently graduated from university and have a basic understanding of the .NET framework (.NET Core/… as part of your degree course or through a placement year in industry. You will follow the firm's career progression programme and will receive industry recognised training in: .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD, Azure SQL and MongoDB. This is a truly amazing opportunity to work for a forward thinking More ❯

Wharf office/3 days WFH Rate - £600 - £960 per day (inside IR35) Tech Stack - MUST HAVE C# Datastage ETL Databricks SQL Finance/Banking experience Skills required C# .Net Framework and Object Orientated programming concepts. Oracle and SQL server (PL/SQL & TSQL). .NET Core C# and .NET (Windows & Web) development. Web API … development DataStage ETL Databricks Key Responsibilities Develop and maintain applications using C#, .NET Framework, and .NET Core for both Windows and Web platforms. Design and implement Web APIs for secure and efficient data exchange. Work extensively with Oracle and Microsoft SQL Server databases, including PL/SQL and T-SQL. Build and optimise integration solutions for More ❯

.NET Architect - Social Messaging Platform - London (Tech stack: .NET Architect, .NET 9, C#, Web API 2, Entity Framework, Microservices, Azure, Programmer, Developer, Engineer, .NET Architect)In 2012 our client that has been taking the US by storm. After an extremely successful period our client has decided to hop across the Atlantic, in a bid to expand … firm foothold in the UK and European markets. A number of new offices are being opened in the UK and our client is looking for talented, enthusiastic and passionate .NET Architect to bring their product to these new markets and help enhance this already successful company! Successful .NET Architect candidates should be able to demonstrate strong knowledge of … .NET 9/.NET Core/ASP.NET MVC, Web API 2, Entity Framework, Microservices, Azure, JavaScript, Angular 19, Bootstrap, Agile and Azure SQL. Training will be provided in any of the technologies you lack, allowing you to turn your technological weaknesses into your greatest strengths! The .NET Architect position come with the following benefits: Stock More ❯

.NET Developer, C# - Global Technology Brand - London (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, WPF, React, Angular 19, Microservices, Azure, Web API 2, Entity Framework, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our clients fascinating story dates back to 1981; today they have fast become one of the most instantly recognised technology brands across … the globe. Their success has been built upon their reputation for developing revolutionary .NET software products that utilise cutting edge technologies. Having recently allocated a £2 billion annual R&D budget to fuel the invention of products, solutions and new technologies they are looking to expand their award winning .NET software development team. We are seeking .NET Developer candidates with experience of either web application development (.NET Core/ASP.NET MVC, C#) or winforms/WPF (C#) development. Our client will provide you with training into: .NET 9, WPF, MVVM, Prism, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum More ❯

.NET Developer – Social Messaging Platform – London (Tech stack: .NET Developer, .NET 9, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer) In 2012 our client launched a social messaging platform that has been taking the US by storm. After an extremely successful period our client has decided to hop across the … firm foothold in the UK and European markets. A number of new offices are being opened in the UK and our client is looking for talented, enthusiastic and passionate .NET Developer to bring their product to these new markets and help enhance this already successful company! Successful .NET Developer candidates should be able to demonstrate strong knowledge of … .NET Core/ASP.NET MVC, C# and Azure SQL. Any experience in the following is desirable: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. Training will be provided in any of the technologies you lack, allowing you to More ❯

.NET Developer, C# - Global Technology Brand – London (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, WPF, React, Angular 19, Microservices, Azure, Web API 2, Entity Framework, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our clients fascinating story dates back to 1981; today they have fast become one of the most instantly recognised technology brands across … the globe.Their success has been built upon their reputation for developing revolutionary .NET software products that utilise cutting edge technologies. Having recently allocated a £2 billion annual R&D budget to fuel the invention of products, solutions and new technologies they are looking to expand their award winning .NET software development team. We are seeking .NET Developer … candidates with experience of either web application development (.NET Core/ASP.NET MVC, C#) or winforms/WPF (C#) development. Our client will provide you with training into: .NET 9, WPF, MVVM, Prism, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and More ❯

and information security functions/activities and how they mitigate likelihood and impact of cyber attacks, especially in a DevSecOps environment. Software Development Technical Experience: Demonstratable experience across C#, .NET, .NET Core and .NET Framework, web frameworks including MVC and Web API, SQL/SQL Server experience in best practice of securing both web applications … and APIs, experience of configuring monitoring and proactive alerting tools based on security events, Git, abstracting code into core libraries and creating reusable components, debugging and systems analysis, knowledge of common vulnerabilities and threats. Experience of configuring CI/CD tooling and security best practice. Interpersonal Skills: Strong interpersonal skills with proven ability to establish positive working relationships More ❯

you clear direction on what it takes to succeed in your role, as well as providing development for other roles you may be interested in Required Qualifications: Experience with .NET Experience developing/operating with a commercial cloud environment, preferably MS Azure Experience with Agile, Continuous Integration and Continuous Delivery Experience with relational and non-relational database technologies Microsoft … .NET technology stack experience (C#/.NET, .NET Core, Web APIs) Development Operations experience including Working knowledge of code management tools such as Git, agile management tools, i.e. Jira/Rally, CI/CD tools such as Jenkins, Azure DevOps Automated Testing experience including Unit test development and Integration test development Web Programing experience including More ❯

closely with data science, design, product, and business analysis professionals to develop robust solutions for the highly entrepreneurial domain of shipping. Technology Stack We build cloud solutions using C#, .NET Core, TypeScript, React, MSSQL Server, Azure, Python, MongoDB, Redis, Docker, Kubernetes, Service Fabric, Grafana and more. We also offer the opportunity to work on state-of-the … 5+ years of experience developing real-world web applications of medium-to-large scale and complexity. Demonstrable React, JS/TS, HTML, and CSS experience. Solid experience with C#, .NET Core (or similar frameworks), and SQL. Active interest in staying up to date with the latest frameworks and libraries. Knowledge and active interest in Design Patterns and More ❯

NET Developer - Social Messaging Platform - London (Tech stack: .NET Developer, .NET 9, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer)In 2012 our client launched a social messaging platform that has been taking the US by storm. After an extremely successful period our client has decided to hop across the Atlantic … firm foothold in the UK and European markets. A number of new offices are being opened in the UK and our client is looking for talented, enthusiastic and passionate .NET Developer to bring their product to these new markets and help enhance this already successful company! Successful .NET Developer candidates should be able to demonstrate strong knowledge of … .NET Core/ASP.NET MVC, C# and Azure SQL. Any experience in the following is desirable: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. Training will be provided in any of the technologies you lack, allowing you to More ❯

Knowledge of Azure components such as web apps, API management, SQL/NoSQL databases, security components etc would be advantageous. Full stack individuals are highly desirable with proficiency in .NET Core, React, SQL. Either front-end (React) or backend (.NET Core) individuals will also be considered. Experience/Awareness of CI/CD particularly More ❯

Staff Software Engineer | Lead Engineer | Principal Engineer | £120K | Hybrid - London Staff Software Engineer – .NET | London (Hybrid) We’re working with a high-growth, tech-driven company undergoing a major platform modernization and are looking for a Staff Software Engineer to join their mission-critical engineering team. This is a hands-on technical leadership role with high visibility and impact … across the organization. You’ll work on large-scale systems, contributing to the design and development of modern, scalable, cloud-native .NET applications. You'll collaborate closely with platform teams, influence tech strategy, mentor engineers, and help evolve systems that serve both public-facing and internal users. Key Responsibilities Enhance and modernize large .NET systems for performance, reliability … and scalability Lead architecture and development of backend services using C#, ASP.NET, .NET Core Automate infrastructure, CI/CD pipelines, and cloud operations (AWS/Azure) Promote engineering best practices, security, and observability Mentor engineers and foster a culture of continuous improvement Contribute to technology direction, including adoption of tools like Go and Python What We’re More ❯

Staff Software Engineer | Lead Engineer | Principal Engineer | £120K | Hybrid - London Staff Software Engineer – .NET | London (Hybrid) We’re working with a high-growth, tech-driven company undergoing a major platform modernization and are looking for a Staff Software Engineer to join their mission-critical engineering team. This is a hands-on technical leadership role with high visibility and impact … across the organization. You’ll work on large-scale systems, contributing to the design and development of modern, scalable, cloud-native .NET applications. You'll collaborate closely with platform teams, influence tech strategy, mentor engineers, and help evolve systems that serve both public-facing and internal users. Key Responsibilities Enhance and modernize large .NET systems for performance, reliability … and scalability Lead architecture and development of backend services using C#, ASP.NET, .NET Core Automate infrastructure, CI/CD pipelines, and cloud operations (AWS/Azure) Promote engineering best practices, security, and observability Mentor engineers and foster a culture of continuous improvement Contribute to technology direction, including adoption of tools like Go and Python What We’re More ❯

This is a hands-on role with plenty of scope to influence design decisions and shape our technical direction. ⚙️ What You'll Do Write high-quality, maintainable code in .NET Core, C#, Angular, and Blazor . Architect and develop solutions running in Azure (including AKS , App Services, and Functions). Build and integrate microservices and message-based … solving complex problems and delivering elegant, scalable solutions. You combine technical depth with a pragmatic, delivery-focused mindset. You'll bring: 5+ years' commercial experience developing applications using C#, .NET Core, and MVC architecture. Strong front-end skills in Angular and/or Blazor . Advanced SQL Server knowledge (expert-level queries, performance optimisation). Experience with More ❯

Software Developer Key Technologies: C#, .NET, .NET Core, Azure, SQL London Perm Role | Hybrid Working Structure £50,000 - £60,000 Harrington Starr has partnered with a global Investment Bank who are looking to hire a seasoned Senior C# Developer with extensive experience developing from Back to Front Office trading systems. Key Responsibilities: Design, develop and maintain More ❯