Top .NET Developer Jobs in London

Design, build and maintain backend .NET services for high-volume transactional rail booking systems. Deliver features, ensure quality and observability, own deployments and monitoring, mentor teammates, and drive technical decisions within an Agile team.

Contribute to back-end services using .NET Core and front-end components with React. Collaborate with senior engineers on architecture, use GitHub Copilot, support Azure DevOps and CI/CD, assist with MongoDB schemas, integrate with Microsoft Dynamics CRM and other APIs, write testable code, and participate in code reviews while learning from feedback.

Lead full-stack development on a greenfield product: design architecture with central architects, build .NET Core back-end services and React front-end components, use AI tooling (GitHub Copilot), manage Azure DevOps CI/CD, design MongoDB schemas, integrate Microsoft Dynamics CRM, and enforce code quality via reviews and secure AI-assisted practices.

Join a technology consultancy to design, code, test, deploy, and maintain software. Collaborate with Development, Test and DevOps, participate in code reviews, troubleshoot issues, document solutions, and adopt modern engineering and DevOps practices.

Join ASOS Payments platform to design, build and operate cloud-native .NET microservices handling high-scale payment transactions. Deliver features via Agile teams, apply test-first practices, ensure reliability and scalability, define CI/CD pipelines, and contribute to engineering community and SRE practices.

Design, build, and maintain full-stack web applications using React and .NET Core. Collaborate with data science, product, and design to deliver scalable cloud solutions, APIs, and UI prototypes. Contribute across discovery, delivery, QA, DevOps, and CI, applying SOLID principles and automated testing.

Develop, enhance and support bespoke, multi-asset trading applications using a Microsoft stack. Work with business stakeholders and senior developers to design, test, deploy and maintain robust front-end (Angular/React) and C#/.NET Core back-end systems, participate in CI/CD, code reviews, and contribute to architecture and process improvements.

Senior full-stack developer responsible for designing, building and supporting trade capture/ETRM applications. Work includes Angular (or React) front ends and C#/.NET Core back ends, database and cloud deployments, CI/CD, collaborating with business analysts and traders, improving development processes, and ensuring robust, supportable long-lived solutions.

Develop and maintain a C# Revit add-in, implement features within the Revit environment, integrate with backend REST APIs, handle data synchronization with the cloud, and contribute to architecture and cross-team engineering decisions.

Join an agile development team to contribute to underpinning platform services using the Microsoft .NET stack. Learn best-practice programming, gain MCP qualifications, write clean code, collaborate with UX, product and test teams, and continuously develop technical skills.

The role involves developing and maintaining back-end systems for e-commerce platforms using .Net technologies, ensuring data delivery and optimizing application logic. Responsible for integrating API services and enhancing application performance.

The role involves designing and developing high-performance C# solutions for FX trading systems, integrating the Orchestrade platform, and providing technical leadership within the team.

Develop and maintain the CC Responder Windows application for first responders, involving design, development, testing, and documentation in an agile environment.

The Enterprise Sales Account Executive focuses on prospecting, qualifying, and closing new business, specifically within the Manufacturing industry, while developing strategies and maintaining customer relationships.

As a Senior Full Stack Engineer, you'll design and deliver complex features for the Avios App, collaborating with engineers and other roles to enhance mobile experiences and scale the platform.

As a .NET Engineer at Trainline, you will develop features, ensure code quality, mentor team members, and manage the development lifecycle.

The Senior Backend Engineer will develop features, improve code quality, mentor others, and manage the development lifecycle while focusing on customer priorities and technical decisions.

Design, build and operate backend services in C#/.NET; own full development lifecycle, mentor teammates, improve reliability, observability, CI/CD, and scale microservices across AWS.

Lead and deliver carbon accounting, net-zero and climate risk projects (Scope 1-3). Support strategy growth, client origination, project management, data analysis, reporting (SBTi, CDP, SECR), and process improvement while building client and industry relationships.

A mid-level C# .Net Back End Software Engineer responsible for the software development lifecycle, collaborating with teams, and maintaining software applications with a focus on Azure cloud services.

The Backend Developer will engage in application development focusing on coding, debugging, and collaborating with cross-functional teams to provide technical solutions and improve backend infrastructure.

The Senior .Net Developer will enhance SDG's C#/.NET Core codebase, design high-load services, and optimize MS SQL queries, benefiting from a remote work environment and attractive benefits.