1 to 25 of 77 Permanent .NET Framework Jobs in London

Build new services cleanly. with proper Dependency Injection (DI), robust authentication/authorization, structured logging, and full observability. Work fluently across both legacy .NET Framework 4.8 (ASP.NET MVC5, WebAPI 2, EF6) and modern .NET, as both will coexist for the whole transition period. Navigate … total precision ensuring client-money correctness is never compromised. What we're looking for in you Senior-level, hands-on experience in modern .NET (.NET 6+) paired with deep, comfortable familiarity with legacy .NET Framework 4.8 (ASP.NET MVC 5, WebAPI 2, Entity ...

services using APIs Experience of writing performance critical code Experience of using Git or similar to track changes Experience of both the full .NET Framework and .NET Core Experience of using observability systems such as Elastic APM or DataDog to track and diagnose issues … services using APIs Experience of writing performance critical code Experience of using Git or similar to track changes Experience of both the full .NET Framework and .NET Core Experience of using observability systems such as Elastic APM or DataDog to track and diagnose issues ...

.NET Developer, Graduate/Junior – Computer Gaming Company – London (Tech stack: Graduate/Junior .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, 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 ...

ideal candidate will have a proven track record of software architecture, design, coding and technical development process of building web applications on the Microsoft .NET technology stack. We develop with both .NET Framework and .NET Core. We like to stay … Peer review code created by other team members Deploy code across development, staging and production environments Oversee emerging projects using Microsoft .NET Core Skills Skills that are required: At least 4 years of commercial software Development on the Microsoft technology stack A proven track record of projects using ...

basis to satisfy assigned duties## Qualifications and Capabilities**Technical Skills*** Required: hands on development experience in technologies such as: + C# - .Net Framework 4.7 - .Net Core - Entity Framework - NUnit testing framework + Web development, including - ASP.Net MVC - JavaScript - IIS + ...

travel to our other office locations on an ad‐hoc basis to satisfy assigned duties. Qualifications and Capabilities Technical Skills Required C# .Net Framework 4.7 .Net Core Entity Framework NUnit testing framework Web development, including ASP.Net MVC JavaScript IIS Creating ...

Application Support Engineer - Legacy .NET Framework, London (Hybrid) 12 months FTC Up to £45,000pa Position Overview We are looking for a Senior Application Support Engineer to support and maintain enterprise applications built using ASP.NET MVC, .NET 10 and SQL Server. The role will … incidents, service requests, and application defects. Troubleshoot issues across the presentation, business, data-access layers and database. Support applications developed using: ASP.NET MVC Framework, .NET 10, jQuery and SQL Server. Investigate application logs, stack traces, database issues, and integration failures. Perform root-cause analysis and prepare ...

guidance Acting as a trusted advisor to customers on industry trends and emerging technologies Helping customers modernize legacy applications using proven patterns (e.g., .NET Framework .NET Core, Java EE Spring Boot, etc) Decomposing monoliths into microservices and serverless architectures (Lambda, ECS/EKS, Fargate ...

seeking a Senior .NET Developer to join an established team. You will contribute to software architecture, design and development on the Microsoft .NET stack, including .NET Framework and .NET Core. We deploy across development, staging and production, stay ...

Role: Senior C# .NET Developer Location: London, UK Working Pattern: Hybrid, 3 days per week onsite, Canary Wharf or Liverpool Street Employment Type: Contract Rate: £500 a day Inside IR35 via Umbrella Role Overview We are seeking experienced Senior C# .NET Developers to join a strategic … analysis. Follow engineering, security and development standards. Participate in Agile delivery. Support application modernisation and cloud adoption. Mandatory Skills Strong commercial C#/.NET development experience .NET Core/.NET 6+ ASP.NET Core/Web API REST APIs and microservices SQL Server, including complex ...

comfortable engaging with clients, understanding their needs, and translating them into effective outcomes. The Role We are looking for a dynamic and experienced .NET Microsoft Consultant to join our team. The role will focus primarily on designing, developing, implementing, and supporting .NET-based applications and solutions … while also working across the wider Microsoft technology stack. The ideal candidate will have strong hands-on .NET development experience, excellent problem-solving abilities, and the communication skills required to work directly with clients and business stakeholders. Experience with Microsoft 365, Power Platform, VBA, Crystal Reports, and Word ...

production support activities. Produce technical design documentation and contribute to solution design discussions. Required Skills Microsoft Dynamics 365 CE/CRM C#, .NET Framework/.NET Core JavaScript/TypeScript Dataverse Power Apps (Model-Driven & Canvas) Power Automate REST APIs/Web API Azure ...

London, United Kingdom | Posted on 04/08/2026 Work Experience Software Engineer, SolidWorks API, C#, .NET, DriveWorks, AEC, Design Automation, CAD Developer, C# Developer, .NET Developer, SQL, DAC, VBA, Python, PowerShell, CAD Automation, API, Scripting, Automation Developer City London Province City of London Country … Description Salary - From £50,000 DOE+ Car Allowance or Company Car Location - Hybrid (Dartford, Nottingham, Sheffield or Manchester) Are you a C#/.NET developer with expertise in SolidWorks API and design automation? Join a prestigious industry leader in construction innovation and technology solutions, dedicated to shaping ...

both technical and non-technical stakeholders. Software engineering experience 5+ years of experience in full-stack software development. Strong exposure in C# .NET Framework/.NET Core, Angular, and REST API first design and development. Experience working on B2B saas product are ideal Solid ...

Looking for full-time IT Engineers with .NET development background familiar with full software development life cycle. Responsibilities Develop new product features according to the provided specifications and requirements. Actively participate in the system design and contribute new ideas and best ways of implementation. You will be building … backend systems that support client facing applications. Support the product and fix bugs reported by users and QA team. Requirements Excellent level of .NET Framework/.Net Core/C# Minimum of 2 years development experience Practical knowledge of SOLID principles Professional command ...

managed the delivery of complex software across multiple teams. Our Tech Stack A fundamental understanding of our ecosystem is important: Backend: C#/.NET Core/.NET Framework (being phased out) Patterns: REST APIs, Hangfire, MediatR, Entity Framework, Mass Transit, xUnit Azure ...

managed the delivery of complex software across multiple teams. Our Tech Stack A fundamental understanding of our ecosystem is important: Backend: C#/.NET Core/.NET Framework (being phased out) Patterns: REST APIs, Hangfire, MediatR, Entity Framework, Mass Transit, xUnit Azure ...

managed the delivery of complex software across multiple teams. Our Tech Stack A fundamental understanding of our ecosystem is important: Backend: C#/.NET Core/.NET Framework (being phased out) Patterns: REST APIs, Hangfire, MediatR, Entity Framework, Mass Transit, xUnit Azure ...

working in a fast-moving entrepreneurial environment. Main Responsibilities Duties will include: At least a 50:50 split between hands-on development in .NET and team lead Collaborative and positive approach to mentoring and leading-by-example in day-to-day development and sprint activities. Guidance and support … through coaching, mentoring and supporting them in their key skills, accountabilities and development areas. Desirable Skills: 5+ years experience in working with the .NET framework, particularly with ASP.NET Core, React/React Native, C#, Web API Strong experience in working with Azure (preferably certified) including ...

Title: Application Support Engineer Legacy .NET FrameworkJob Location: London, UK (Hybrid)Job Type: FTEJob Description :Position OverviewWe are looking for a Senior Application Support Engineer to support and maintain enterprise applications built using ASP.NET MVC, .NET 10 and SQL Server. The role will involve production support … resolve production incidents, service requests, and application defects.Troubleshoot issues across the presentation, business, data-access layers and database.Support applications developed using: ASP.NET MVC Framework, .NET 10, jQuery and SQL Server.Investigate application logs, stack traces, database issues, and integration failures.Perform root-cause analysis and prepare permanent fixes ...

What you'll bring:*** Proven experience developing solutions/forms using Sitecore XP/AI/XM.* Strong knowledge of C#, ASP.NET MVC, .NET Framework and/or .NET Core.* Experience developing at the Sitecore component level on both the Microsoft stack ...

domain and enterprise levels , identifying transformational opportunities for the businesses and technology areas Skills required: Significant experience in software engineering in C# and .Net database design using Oracle, SQL Server or Postgres , and architecture. Experience of developing software within a DevOps and Agile framework. An expert understanding … implementing APIs. The ability to rapidly and effectively understand and translate product and business requirements into technical solutions. Experience in migration of legacy .NET Framework applications to modern .NET platforms is essential. Experience in Cloud platforms like GCP or AWS is essential. The salary ...

role in delivering products that have a direct impact on the business. About the role Design, develop and maintain applications using Angular and .NET/.NET Core technologies. Build and enhance cloud-native services within Microsoft Azure . Contribute to the full software development lifecycle, from … technology that creates measurable business value. You’ll ideally bring: Experience developing and supporting software solutions within an agile environment. Strong knowledge of .NET/.NET Core , ASP.NET and modern web application development. Experience with Angular or similar front-end frameworks. Experience working within cloud environments ...

team output. Extensive C# and ASP.NET Core experience, including RESTful APIs, dependency injection, domain modelling, integration patterns, and performance considerations. Experience with Entity Framework Core code‐first migrations and data modelling. Strong front‐end engineering skills in React and TypeScript, including component architecture, state management, and integration with ...

ongoing optimisation In our team, you will: Engineering and architecture Lead the design and hands‐on development of enterprise applications using C#, .NET, ASP.NET Core, Web APIs and modern distributed application patterns. Design responsive, accessible front‐end experiences using React and/or Angular, TypeScript, HTML and CSS. … Entra ID, managed identities, role‐based access control and secrets management. Design data access and integration using Azure SQL/SQL Server, Entity Framework Core, RESTful APIs, messaging and event‐driven patterns where appropriate DevSecOps and engineering quality Own source‐control, branching, pull‐request, code‐review and release ...