Position Overview We are seeking a highly skilled Senior .NET Developer with strong experience in .NET Core (6+), C#, ASP.NET , and hands-on expertise in GitLab CI/CD pipelines . The ideal candidate should have a deep understanding of backend development, microservices, DevOps practices, and modern cloud environments. Experience with performance tuning, application optimization, and system migrations … is a strong advantage. Key Responsibilities Design, develop, and maintain applications using .NET Framework, .NET Core (6+), C#, ASP.NET , and Web APIs . Build and consume WCF services and RESTful APIs. Work extensively with MS SQL for database design, optimization, and queries. Build, manage, and optimize GitLab CI/CD pipelines (mandatory). Integrate code quality tools such … Development (TDD) and unit testing frameworks to ensure high code quality. Contribute to DevOps practices, automation improvements, and deployment processes. Participate in migration projects, refactoring legacy components to modern .NET Core-based architectures. Optimize application performance, troubleshooting performance bottlenecks across APIs and services. Work with RabbitMQ for messaging, event-driven integrations, and asynchronous communication. Collaborate with cross-functional teams More ❯
Doncaster, South Yorkshire, Yorkshire, United Kingdom
Ventula Consulting Limited
Senior .NET Core Developer - Azure - £550 per day (Outside IR35) - initial 3 months Global logistics client is now searching for a Senior .NET Developer to focus on a C# migration project and the embedding of Azure devops best practice. This role will focus on enhancing our clients cloud security, containerisation technologies and overall software architecture. Key Responsibilities: Design … and develop scalable and secure .NET applications. Use Docker/Kubernetes to implement containerisation technologies for efficient deployment. collaborate with stakeholders to define software requirements. Ensure the team comply with cloud security best practices. Oversee the full SDLC, from design to deployment. Drive continuous improvement across development teams ensuring innovation and the adoption of new technologies. Key Requirements: Extensive … commercial experience as a Senior .NET Developer - .NET Core/.NET Framework and C#. Hands-on experience with Azure services (Functions, DevOps etc.) Strong Logic Apps experience a must Strong experience with containerisation technologies such as Docker and Kubernetes. Solid understanding of cloud security best principles and practices. Expertise in Azure DevOps pipelines and CI/CD More ❯
South West, England, United Kingdom Hybrid/Remote Options
Proactive Appointments
Can build and manage CI/CD pipelines. Knows AWS serverless and container tools (e.g., Lambda, Fargate). Can create infrastructure using Terraform. Able to code in languages like .NET, C#, Node.js, React.js, or T-SQL. Familiar with CI/CD tools such as Azure DevOps and YAML pipelines. Strong scripting and automation skills. Understands configuration management, test-driven More ❯
AI services, Azure Machine Learning (ML), and AI Foundry. Hands-on experience with Azure Cognitive Services, Azure OpenAI, and Azure Data Factory. Solid programming skills (Python/C#,/.NET) Experience with Azure DevOps, CI/CD pipelines, and GitHub Actions. Knowledge of containerization (tools ie Docker) and orchestration (ie Kubernetes on Azure). Good awareness of Data & AI More ❯
R&D, implementation to automation. WE NEED THE SENIOR SOFTWARE ENGINEER TO HAVE.... Current enhanced DV clearance Experience with at least one of the following: Java, Python, C++, C#, .NET, JavaScript, React Experience mentoring juniors or leading teams is nice to have but not essential Experience/Knowledge of automation IT WOULD BE NICE FOR THE SENIOR SOFTWARE ENGINEER More ❯
Tameside and Glossop Integrated Care NHS Foundation Trust
criteria against which your application form will be assessed. Person Specification Knowledge Essential Advanced knowledge and experience of T-SQL Advanced knowledge and experience in developing web software using .NET C# and ASP technology stack Advanced knowledge and experience of software development, technical support and technical assurance in a complex technical environment. Knowledge and experience of Continuous Integration and More ❯
Caldecotte, Milton Keynes, Buckinghamshire, England, United Kingdom Hybrid/Remote Options
Connells Group HQ
Scrum or Kanban. Experience of delivering change using tools such as Jira, Azure Dev Ops (ADO), GitHub, Jenkins or Octopus automated deployments. Experience of delivering change across of Microsoft.NET, Microsoft SQL, and cloud Azure. Qualifications: Preferably educated to graduate level in an IT or software related engineering degree with experience in delivering change in agile software engineering environments. More ❯
2x Senior .NET Developers - Public Health Job Title: .NET Developer Location: 1-2x/week in Leeds Day Rate: £500/day Inside IR35 Duration: Until March 2026 NHS or Central Government experience is ESSENTIAL Brio Digital are supporting a HealthTech consultancy who are currently looking for 2x .NET Software Engineers . You'll be working … on a national-level programme supporting an ongoing digital transformation project. What You'll Do Build and maintain robust APIs and web applications using .NET and React Collaborate with cross-functional teams to deliver modern, Azure-hosted solutions Develop clean, testable, and maintainable code across the full stack Integrate with complex healthcare data systems and APIs Support continuous improvement … across architecture, tooling, and CI/CD pipelines Participate in design reviews and mentoring within an agile delivery team What You'll Bring Solid C#/.NET Core experience in production systems Proficiency with React and TypeScript Strong experience with Microsoft Azure (App Services, Azure Functions, Azure DevOps, etc.) Exposure to healthcare, NHS, or data integration environments Understanding of More ❯
skills: Microsoft Server technologies Microsoft Active Directory Microsoft SQL Server SQL Server Database Configuration and management Azure Infrastructure Azure Virtual Desktop Azure SQL managed instance Nerdio AVD management Microsoft.NetMicrosoft Web server technologies Microsoft Office applications Experience of secure desktop technologies The successful candidate will ideally hold Security Clearance but candidates who are eligible are also welcome to More ❯
Milton Keynes, Buckinghamshire, South East, United Kingdom
Network IT
skills: Microsoft Server technologies Microsoft Active Directory Microsoft SQL Server SQL Server Database Configuration and management Azure Infrastructure Azure Virtual Desktop Azure SQL managed instance Nerdio AVD management Microsoft.NetMicrosoft Web server technologies Microsoft Office applications Experience of secure desktop technologies The successful candidate will ideally hold Security Clearance but candidates who are eligible are also welcome to More ❯
with Advent Geneva RSL development. Strong understanding of accounting principles and fund accounting workflows. Proficiency in SQL and relational databases (e.g., SQL Server, DB2, MySQL). Experience with Microsoft.NET technologies is a plus. Familiarity with SQL Server Reporting Services (SSRS). Ability to work independently and manage multiple priorities efficiently. Excellent communication and documentation skills. More ❯
Senior Full Stack .NET Engineer (Contract) Edinburgh or London (Hybrid) 425- 450 per day - Inside IR35 6 Months - Start ASAP A leading UK pensions provider is seeking a Senior Full Stack .NET Engineer with ReactJS to help deliver scalable, high-performing systems as part of a major technology transformation. What you'll bring: Strong commercial experience with C# … .NET or .NET Core ReactJS Proven ability in system design and backend architecture Experience leading technical workstreams Expertise in database performance and optimisation Confident communicator, comfortable engaging stakeholders Familiarity with cloud (Azure) and CI CD practices Process: Technical test One-stage interview with Tech Lead If you're a seasoned engineer ready to make an impact in a More ❯
Senior Full Stack .NET Engineer (Contract) Edinburgh or London (Hybrid) £425-£450 per day - Inside IR35 6 Months - Start ASAP A leading UK pensions provider is seeking a Senior Full Stack .NET Engineer with ReactJS to help deliver scalable, high-performing systems as part of a major technology transformation. What you'll bring: Strong commercial experience with C# … .NET or .NET Core ReactJS Proven ability in system design and backend architecture Experience leading technical workstreams Expertise in database performance and optimisation Confident communicator, comfortable engaging stakeholders Familiarity with cloud (Azure) and CI CD practices Process: Technical test One-stage interview with Tech Lead If you're a seasoned engineer ready to make an impact in a More ❯
required: Microsoft Server technologies Microsoft Active Directory Microsoft SQL Server SQL Server Database Configuration and management Azure Infrastructure Azure Virtual Desktop Azure SQL managed instance Nerdio AVD management Microsoft.NetMicrosoft Web server technologies Microsoft Office applications Experience of secure desktop technologies To apply for this role or to be considered for further roles, please click "Apply Now" . More ❯
Milton Keynes, Buckinghamshire, South East, United Kingdom
Rise Technical Recruitment Limited
required: * Microsoft Server technologies * Microsoft Active Directory * Microsoft SQL Server * SQL Server Database Configuration and management * Azure Infrastructure * Azure Virtual Desktop * Azure SQL managed instance * Nerdio AVD management * Microsoft.Net * Microsoft Web server technologies * Microsoft Office applications * Experience of secure desktop technologies To apply for this role or to be considered for further roles, please click 'Apply Now' . More ❯
support a critical migration and platform enhancement project for an AI Corporation. The migration is part of a multi-hundred-million dollar programme. The tech stack is on Azure (.NET/Azure SQL Database/Azure Functions). If your profile demonstrates strong and recent experience in the above areas - please submit your application ASAP to Jackie Dean at More ❯
support a critical migration and platform enhancement project for an AI Corporation. The migration is part of a multi-hundred-million dollar programme. The tech stack is on Azure (.NET/Azure SQL Database/Azure Functions). If your profile demonstrates strong and recent experience in the above areas - please submit your application ASAP to Jackie Dean at More ❯
support a critical migration and platform enhancement project for an AI Corporation. The migration is part of a multi-hundred-million dollar programme. The tech stack is on Azure (.NET/Azure SQL Database/Azure Functions). If your profile demonstrates strong and recent experience in the above areas - please submit your application ASAP to Jackie Dean at More ❯
Hatfield, Hertfordshire, South East, United Kingdom
Lynx Recruitment Limited
redefine how non-production environments operate across a complex enterprise technology landscape. The Role: You will work across a diverse estateincluding SAP ECC/S4, ServiceNow, Salesforce, Java/.NET platforms, integration services, and external partner interfacesto design and implement a modern, consistent, and scalable environment model that supports both product and project delivery. This is a collaborative and More ❯
how non-production environments operate across a complex enterprise technology landscape. The Role: You will work across a diverse estate—including SAP ECC/S4, ServiceNow, Salesforce, Java/.NET platforms, integration services, and external partner interfaces—to design and implement a modern, consistent, and scalable environment model that supports both product and project delivery. This is a collaborative More ❯
.NET Backend Developer London3-6 month FTC £60,000 to £70,000 Pro Rata + Benefits Excellent opportunity for an experienced .NET Backend Developer to join a rapidly growing business in London, where you will play a key role in shaping the backend systems, API architecture, and cloud infrastructure that support the company's technology roadmap.They already work … and AWS services. You will also support deployments, performance tuning, and the improvement of backend architecture and development processes.The ideal candidate will have strong commercial experience in backend focused .NET development with solid skills in C#, ASP.NET, SQL Server, and AWS cloud environments. Experience working with RESTful APIs, HTML, CSS, JavaScript for integration, and a desire to keep up … AWS deployments and cloud environment configuration* Analyse issues in existing systems and provide robust technical solutions* Contribute to continuous improvement of tools, processes, and codebase standards The Person: * Experienced .NET Backend Developer with strong C#, ASP.NET, and SQL Server skills* Commercial experience with backend focused development* Proficient in designing and consuming RESTful APIs* Knowledge of HTML, CSS, and JavaScript More ❯
Milton Keynes, Buckinghamshire, South East, United Kingdom Hybrid/Remote Options
Hays
issues across the stack. Actively participate in technical discussions and knowledge sharing. What you'll need to succeed Proven experience as a C# Engineer. Strong expertise in Blazor and .NET technologies. Experience building and maintaining interactive web applications. Solid understanding of code quality practices (unit testing, code reviews). Ability to troubleshoot complex technical issues. Excellent collaboration and communication More ❯
Employment Type: Contract, Work From Home
Rate: £350.0 - £400.0 per day + £350 - 400 p/d outside IR35
Developer - C#/HTML/.NET - Edin/Glasgow - Outside IR35 An exciting opportunity for an experienced Developer to join a large public sector organisation in Edinburgh or Glasgow. You will be responsible … for planning, executing, and supporting development on sets of related software within an agile delivery team using modern development technologies and processes . Essential skills: Experienced in the Microsoft.NET Framework and web development, including C#, HTML, JavaScript and ASP.NET MVC, using Visual Studio IDE Experience of designing and working with complex relational databases in Microsoft SQL Server Experience More ❯
London, South East, England, United Kingdom Hybrid/Remote Options
Hays Specialist Recruitment Limited
travel to different London-based sites if/when required) Nice to have: Previous experience in acquisition Integration (M&A related) Working knowledge of MS Dynamics Good understanding of .Net tech stack Immediate availability Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this More ❯