1 to 25 of 215 C# Jobs in the City of London

Exciting opportunity for a Senior .Net C# Software Engineer to join this global Energy company. This is an exciting time to join this world-leading Energy company as it evolves from a traditional Oil & Gas enterprise into a future-focused Energy leader. This transformation includes the establishment of a highly successful new Power Trading desk within the Energy Trading team … technology. Key Requirements – Essentials • 8+ years of hands-on software development experience, spanning front-end, back-end, and cloud automation/orchestration. • Strong proficiency in back-end development using C# and .NET Core 5/6. • Cloud-native development expertise on Microsoft Azure, including serverless containers (Kubernetes/Docker). • CI/CD pipeline experience, using GitHub Actions or Azure More ❯

.NET Developer, .NET 9, C#, Agile - London (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) We are pleased to announce the arrival in the UK of one of Silicon Valley’s most successful and exciting brands. They’re at the … hire several .NET Developer at all levels who are passionate about developing revolutionary software solutions. .NET Developer applicants should have commercial experience with: .NET, .NET Core/ASP.NET MVC, C#, Azure SQL and Agile. Full training will be provided into: .NET 9, JavaScript, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD More ❯

.NET Developer - World Class Entertainment Company - London (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client has been producing unparalleled entertainment experiences for over 50 years. Today their global business comprises of: film studios, television stations, theme parks, media … networks and retail outlets. They are about to embark upon several joint .NET/C# software development projects with Microsoft that will take the IT industry by storm! We are seeking several .NET Developer with full project life cycle experience and a skill set that encompasses: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client can provide … Agile, TDD, BDD, Scrum, Kanban and MongoDB. This is a truly amazing opportunity to work for a prestigious global brand and on challenging and complex enterprise level .NET/C# software projects. Our client is quick to recognize talent and keen to promote it. Take your career to infinity and beyond! Location: London, UK/Remote Working Salary More ❯

.NET Developer – Retailer – London (Tech stack: .NET, C#, Angular, RESTful APIs, Microservices, Entity Framework, SQL Server, CI/CD, Git, Agile, Azure, App Services, Devops, Programmer, Full Stack Engineer, Architect, .NET Developer) 🚀 .NET Developer + Angular Developer Wanted 📍 London (Hybrid) | ⏱ 6–12 months | 💼 Outside IR35 | 💸 Market Rates | 🏃‍♂️ Start: ASAP We're on the lookout for a seasoned .NET Developer —someone … who knows their way around .NET (C#) and is just as confident working hands-on with Angular (ideally 10+). This isn’t just a coding gig; it's a chance to make a real impact on critical digital projects with a team that values clean code, good architecture, and smart collaboration. You’ll be part of a fast-moving … devs, and delivering in a hybrid environment—this is your kind of contract. 🔧 What You’ll Be Doing as a .Net Developer: Building and maintaining complex web apps with C#/.NET + Angular Architecting scalable services (REST APIs, microservices) Working closely with product, QA, and DevOps to deliver smooth releases Leading technical discussions and improving code quality Mentoring other More ❯

The ideal candidate will lead the design and development of scalable, high-performance applications using Microsoft technologies. Key Responsibilities: Architect, design, and develop modules using .NET Core and ASP.NET (C#) Collaborate closely with stakeholders to define technical solutions aligned with business goals Integrate third-party software and participate in end-to-end solution delivery Provide technical leadership, code reviews, and More ❯

C# DevOps Engineer Location: Hybrid (Hammersmith) – 2 days/week onsite Salary: £70,000 About the Role We’re looking for a passionate DevOps Engineer to join a dynamic digital team. In this role, you’ll support and manage production and non‐production environments across a digital estate and oversee deployment pipelines. You’ll work closely with developers, service managers More ❯

.NET Developer - Software House – London (Tech stack: .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Do you want to work for an internationally recognised brand? Do you want to work on enterprise level .NET/C# software development projects and gain exposure to cutting edge technologies? Do you want to … further! Our client is an award winning software house with a strong presence in over 30 countries. Due to continued growth and expansion we are seeking several .NET/C# Developer to join their dynamic team of high flying individuals. .NET Developer applicants should be experienced in: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client can … EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD, Azure SQL and MongoDB. You will be working alongside an MVP and well respect author on Agile and .NET/C# development. This is a truly fabulous opportunity to join a spectacular organization; one that offers a structured career progression programme, excellent training, exquisite offices and amazing benefits. Location: London, UK More ❯

.NET Developer, .NET 9, C# - Global Internet Icon - London (Tech stack: .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client has long been a classic internet icon; today it has evolved into an integrated and diversified modern media company. We are seeking .NET Developer to work on one of … the most ambitious .NET/C# projects to take place since the birth of the World Wide Web. .NET Developer applicants should have a skill set that encompasses: .NET, .NET Core/ASP.NET MVC, C#, Azure SQL. Full training will be provided into: .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD, Azure SQL and MongoDB. Our More ❯

existing web application, leveraging a robust Microsoft Azure environment. The successful candidate will play a crucial part in the development and maintenance of the application's back-end, utilizing C# .NET and Azure SQL databases. Responsibilities: Actively participate in product requirement discussions, providing accurate work estimates. Collaborate with the Engineering Manager, Infrastructure Engineer, and wider team on architectural and design … decisions. Develop and implement C# .NET back-end functions to support front-end functionality. Design and maintain Azure SQL database tables to ensure data integrity and efficiency. Implement comprehensive automated unit, integration, and acceptance tests. Maintain and update the Azure DevOps CI/CD pipeline for seamless build, test, and deployment processes. Create and maintain detailed documentation for the web … Agile team ceremonies, contributing to stand-ups, planning, grooming, retrospectives, and reviews. Required Technical Experience: Proven experience in building Angular web applications as a lead developer. Extensive experience with C# .NET, adhering to best practices in design, implementation, and testing. Solid background in building and supporting REST APIs. Proficient in working with SQL Server/Azure SQL databases. Demonstrated experience More ❯

with cross-functional teams and have an opportunity to mentor junior developers, helping to drive technical excellence across the team. The successful candidate must have strong commercial experience with C# and .NET technologies, as these are core to our backend architecture. Expertise with Blazor is highly desirable, as it is our primary front-end framework; however, we are also open … Familiarity with cloud technologies is essential, and while we primarily use Microsoft Azure, we welcome candidates with experience in AWS or Google Cloud Platform (GCP). Expert knowledge of C# and .NET framework Hands-on experience with Blazor for front-end development (or React, Angular, or similar) Strong understanding of cloud platforms including Azure, AWS or GCP Solid experience in More ❯

years’ experience with cloud technologies, Azure, AWS, etc. (Mandatory) find out it Azure or is it AWS 7 years minimum in .NET Core, API , C#, and microservices development with tangible projects to reference for their work (Must have hands-on) 7 years minimum of DB experience with SQL, Cosmos DB, or NoSQL or a mix of all these. (Must have More ❯

in a mix of front and back end development. Key Responsibilities: Full Stack Development: Design, develop, and maintain both front-end and back-end components of our applications using C# for the back-end and React for the front-end. System Architecture: Contribute to the design and architecture of new features and systems, ensuring scalability, performance, and security. Collaboration: Work … industry trends, and best practices in full-stack development. Required Skills and Experience: Software development, with a strong focus on both front-end and back-end technologies. Expertise in C# and .NET Core for server-side development. Strong experience with React and modern JavaScript (ES6+), including state management libraries like Redux or Context API. Proven experience with RESTful API development More ❯

and monitor performance. Work with cross-functional teams using Agile methodologies. Rapidly prototype new ideas while ensuring scalability and robustness for production systems. Technical Skills Programming Languages: Java, Python, C#, C/C++, JavaScript, Ruby Web Technologies: React, Webpack, SCSS, Node.js, AngularJS Protocols: HTTP, TCP/IP, UDP, SMTP, DNS API Development: REST, SOAP, RPC, RMI Architectures: Microservices, Cloud-Native More ❯

tools (Teams, SharePoint, Power BI). Experience integrating Power Apps solutions with APIs or third-party solutions Knowledge of Azure PaaS, APIs, and integration services. Development experience (.NET, C#, TypeScript). Company Description Version 1 has celebrated over 28 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Version More ❯

a startup-style environment where innovation, autonomy, and agility are core values. Key Responsibilities  Customer-Focused Automation Delivery o Work closely our customers to develop intelligent automation solutions using C#, Python, and RPA tools. o Engage in scoping and assessing business processes that could be automated, working directly with customer stakeholders to understand needs. o Identify opportunities to productise solutions … available to attend quarterly London team meet-ups. o Work cross-functionally with Nexbotix’s project delivery, customer success, and support teams. Essential Skills  Technical Expertise: Strong experience with C#, .NET Core, Python, and full-stack development. Familiarity with Azure, RPA tools, and automation design is key.  Automation & AI: Experience with RPA platforms and ideally exposure to OCR and AI More ❯

/week onsite in Central London High autonomy, greenfield projects, and an inclusive team culture 🔍 What you’ll be doing: Own and evolve backend systems in .NET Core/C# Lead on platform performance, automation, observability, and CI/CD Build infrastructure across AWS and Azure using Terraform and Docker Help introduce Go and Python into the stack Mentor engineers … and drive engineering best practices ⚙️ Tech environment: .NET Core/C#, ASP.NET Core AWS, Azure, Lambda, DynamoDB, Azure DevOps Terraform, Docker, CI/CD pipelines Bonus: Go, Python, Cloudflare, React, TypeScript Ready to shape the future of a modern platform? Apply now More ❯

consistent and polished user experience. Ensure seamless interaction with Power Platform components and .NET Core applications. .NET Core Development: Develop and maintain robust APIs and back-end services using C# and .NET Core, adhering to best practices for performance, security, and scalability. Back-End Development: Develop robust APIs using C#/.NET Core on Azure App Service to handle data … and deployment processes. DevOps Practices: Implement continuous integration and deployment (CI/CD) pipelines for efficient application delivery and maintenance, leveraging PowerShell and other DevOps tools. Requirements Programming Languages: C#, JavaScript, TypeScript, PowerShell Microsoft Technologies: SPFX Webparts, Power Apps, Power Automate, Power BI, Azure Functions, Azure App Service, .NET Core Front-End Frameworks: React, Angular UI Framework: Experience with Fluent More ❯

and maintain the core web applications that drive both internal operations and client-facing services. Our tech stack is built on a modern, stable foundation — including React , Tailwind CSS , C# 9 , and .NET Core — and we're focused on scaling feature delivery and enhancing technical maturity. You’ll be joining a team that’s moved from chaos to clarity. With … team lead and collaborative peers. Key Responsibilities; Build responsive and accessible web interfaces using React.js (Next.js) , JavaScript , HTML5 , and Tailwind CSS . Develop backend services and RESTful APIs using C# 9 and .NET Core . Interact with MSSQL databases via stored procedures and schema design. Own tasks end-to-end, from development through deployment, testing, and documentation. Contribute to code … for; 3+ years of hands-on experience in full stack web development . Strong knowledge of JavaScript , React.js , and Next.js . Solid experience building .NET Core Web APIs with C# 9 . Proficiency in SQL Server (MSSQL), including stored procedures and schema management. Comfort with Tailwind CSS and responsive, accessible design principles. Familiarity with Azure DevOps , including pipelines, repositories, and More ❯

scale-ups and large companies. Our Technology Practice has 5 capabilities: IT Architecture Cloud Engineering Software Engineering Intelligent Process Automation Quality Management We’re hiring: Mid-Level Software Engineers (C#/.NET) | Join Valcon’s Growing Tech Team Another exciting project win means we're looking to expand our engineering team, and this is your chance to join a consultancy … don’t just deliver, we build. And we’re now on the lookout for Mid-Level Software Engineers who are hands-on, collaborative, and passionate about writing clean, modern C# code. What you’ll be working with: We’re looking for developers with solid core engineering skills and a strong background in modern C# and .NET development , including: Core C# … .NET Skills Hands-on experience with C# (latest versions preferred) Deep knowledge of .NET Core/.NET 6/7/8 for building scalable APIs Strong grasp of OOP principles and design patterns API Development Building and maintaining RESTful APIs Solid understanding of HTTP protocols, status codes, headers, etc. API documentation using tools like Swagger/OpenAPI Legacy Systems More ❯

external systems using Web APIs, Azure services, and data connectors. Build robust and reusable components that align with enterprise architecture and security best practices. Develop custom components using .NET, C#, JavaScript, and other Microsoft technologies. Automate business processes using Power Automate (Cloud Flows) and traditional workflow engines within D365. Support development of Power Apps (Canvas & Model-Driven) and configuration of … Model-Driven Apps, and Dataverse. Experience integrating CRM with third-party systems using Web APIs , Azure Logic Apps , or custom connectors . Skilled in scripting and development using .NET , C# , JavaScript , SQL Server , HTML/CSS . Working knowledge of ALM best practices, DevOps pipelines, and solution version control. Strong problem-solving and troubleshooting abilities in production and UAT environments. … Overview Dynamics 365 CRM/CE design and configuration Power Platform : Power Apps, Power Automate, Power BI, Power Pages Dataverse , SQL Server , Canvas Apps Azure Services , DevOps Pipelines .NET , C# , JavaScript , HTML , CSS APIs and system integrations More ❯

React or Angular. You’ll mentor developers, collaborate with cross-functional teams, and lead projects from concept to deployment. What You’ll Do Develop modern applications and APIs with C#/.NET Core and Azure Build responsive UIs using Fluent UI, React, or Angular Lead Power Platform development and system integrations Drive DevOps best practices with CI/CD pipelines … PowerShell scripting, and Azure DevOps Guide and mentor a distributed team of developers To be considered for this role, you will need: Proven experience in Microsoft tech stack (C#, .NET Core, Azure, Power Platform) Strong front-end skills (React, Angular, JavaScript/TypeScript) Expertise in SQL Server and API development Desirable: Familiarity with Azure Logic Apps, GitHub Actions, and cloud More ❯

My client is an instantly recognisable consultancy who require a C# .Net Developer with .Net Core, RESTful web services, microservices and knowledge of building solutions in an Azure Containerised environment to join a business-critical GDS programme for a high profile client Key Requirements: Proven experience as a C# .Net Developer with working knowledge of a Government Digital Service (GDS More ❯

A leading global trading firm is looking for a C# .NET Developer to join its trading systems team. You’ll work across front office, risk, and operations to build and support business-critical systems that handle real-time trade execution, messaging, and integration. This role focuses on developing high-performance services using the .NET framework, integrating with FIX protocols, and … Support and optimise CI/CD pipelines (e.g., TFS Build, Azure DevOps) Troubleshoot and resolve production issues in a low-latency trading environment Required Experience: Strong development experience in C# and .NET Core/.NET Framework Hands-on experience integrating FIX protocols (e.g., QuickFIX/n, OnixS) Proficiency with message brokers (RabbitMQ, Kafka, MSMQ, etc.) Knowledge of STP, order lifecycle More ❯

of our web platforms. What You’ll Do Build and maintain modern web apps using React.js , Next.js , JavaScript , HTML5 , and Tailwind CSS Develop backend logic and REST APIs with C# (.NET Core) Work directly with MSSQL databases (queries, schema updates, stored procedures) Deliver secure, high-performance, and maintainable features What You Bring 3+ years of hands-on experience in full … stack development Strong skills in JavaScript , React.js , and Next.js Backend experience with C# 9 , .NET Core , and REST APIs Proficiency with SQL Server (stored procedures, schema management) Comfortable with Tailwind CSS and responsive UI design Experience with Git-based workflows and tools like Azure DevOps Bonus Points For Exposure to Azure cloud services (App Services, Functions, etc.) Familiarity with unit More ❯

the development of our next-generation financial solutions, contributing to architecture decisions, and mentoring junior developers. Key Responsibilities: Design, develop, and maintain robust, scalable, and secure applications using .NET (C#, .NET Core/.NET 6+) Work on cloud-native solution development using AWS services such as Lambda, API Gateway, DynamoDB, S3, ECS, and more Collaborate with product managers, architects, and … requirements and industry standards in the FinTech space Conduct code reviews and provide constructive feedback Required Skills & Experience: 2 - 5 years of professional experience in software development with .NET (C#, .NET Core/.NET 6+) At least 2+ years as a proven Senior .Net developer - Ideally within the fintech space Strong experience designing and building cloud-native applications on AWS More ❯