26 to 50 of 59 .NET Core Jobs in the Thames Valley

Senior C# Developer, .Net Core Software Engineer, C-Sharp, Programming Job, Blazor, ASP.Net Core, Visual Studio International Engineering Company, Oxford 50-75K - 4 days in the office. I may be biased, but this has to be one of the best C# Developer/Software Engineer jobs available in the UK today. Dont have time More ❯

About the Job Senior Fullstack Engineer (React/.Net) – London (Victoria) | Hybrid £80k - £110k Are you ready to craft the next generation of data-driven digital experiences for one of Europe’s most technically advanced SaaS innovators? Our client, a pioneer in B2B SaaS solutions , is building “Your Shipping Analytics Supercomputer” , providing cutting-edge data visualisation and dynamic dashboards … you’ll play a key role in architecting and developing scalable, high-performance web applications that bring complex data to life. Working across both frontend (React, TypeScript) and backend (.NET Core, C#) technologies, you’ll collaborate with product, design, and data science teams to create seamless, intelligent solutions that define the future of shipping analytics. This is … You’ll Bring 5+ years of experience building large-scale, production-grade web applications. Strong proficiency with React, TypeScript/JavaScript, HTML, and CSS . Proven experience with C#, .NET Core , and SQL-based databases . Understanding of Design Patterns and SOLID principles . Experience designing and consuming RESTful APIs . Familiarity with Azure or other cloud More ❯

We are looking for a skilled and motivated .NET Developer to join our growing development team. As a key contributor, you will be responsible for building and maintaining high-performance, scalable applications using modern technologies and best practices in software development. Key Responsibilities: Design, develop, and maintain web applications using C# .NET Core , TypeScript , and React … . Build and consume RESTful APIs using .NET Core Web API . Implement and maintain containerized solutions using Docker and orchestrate with Kubernetes . Develop and deploy applications in Microsoft Azure cloud environment. Participate in CI/CD processes and contribute to DevOps initiatives. More ❯

We are looking for a skilled and motivated .NET Developer to join our growing development team. As a key contributor, you will be responsible for building and maintaining high-performance, scalable applications using modern technologies and best practices in software development. Key Responsibilities: Design, develop, and maintain web applications using C# .NET Core , TypeScript , and React … . Build and consume RESTful APIs using .NET Core Web API . Implement and maintain containerized solutions using Docker and orchestrate with Kubernetes . Develop and deploy applications in Microsoft Azure cloud environment. Participate in CI/CD processes and contribute to DevOps initiatives. 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 ❯

Senior Software Engineer/Developer (C# .Net) *Newcastle onsite* to £130k+ Are you a Senior Software Engineer 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 in Newcastle … Senior Software Engineer 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 ❯

engineering practices. Understanding and solving challenging problems through simplistic solutions and services. Architect and build using technology that is best suited to solving the problem. Currently, we build with .NET Core, C#, Blazor, JavaScript, Angular, Azure, RabbitMQ, MS SQL and we adopt new technologies when they'll help us better achieve our goals. Collaborate with both internal … integration solutions, but if you are technically talented, passionate and can communicate then we're interested to hear from you regardless of experience years. Demonstrable software development experience in .NET Core, C# plus one of Blazor, JavaScript, Angular, Azure, RabbitMQ Strong SQL skills Competent using whatever technology is best suited to solving a problem. Enthusiasm for continuous More ❯

Junior .NET Software Engineer | London | £35,000–£50,000 + Bonus + Hybrid Location: Central London (Hybrid: 3 days in office) Salary: £35,000–£50,000 + performance bonus + excellent benefits Tech: .NET 6/7, C#, AWS, REST APIs, SQL, CI/CD, Microservices The Opportunity We are partnering with a fast-growing SaaS company in … Central London that is expanding its engineering team and looking for a Junior .NET Software Engineer who is eager to learn, grow, and work with modern technologies. This is a fantastic opportunity for someone with a solid foundation in C# and .NET to develop their skills in cloud computing (AWS), microservices, and modern software engineering practices. You’ll … experienced team that values mentorship, collaboration, and technical excellence — offering you the chance to work on meaningful projects while being supported by senior engineers. The Role As a Junior .NET Software Engineer, you’ll contribute to the development of scalable backend systems and web applications while learning from experienced mentors. Your responsibilities will include: Developing backend functionality using .NET 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 ❯

Job Title/Corporate Title: C# .NET Full Stack Developer Contract: £750 - £950/day (Inside IR35) Location: London (Hybrid) You’ll be joining a major financial services organisation to design, build, and support Full Stack C# .NET applications used across core regulatory and reporting systems. Your mission — develop, integrate, and enhance enterprise-grade software that … underpins finance and regulatory reporting processes. You’ll work across the stack using C#, .NET, SQL Server, and Oracle, collaborating with DevOps and cloud teams to deliver high-performance, resilient solutions in a highly regulated environment. This is a hands-on development role for someone who knows how to turn business requirements into robust, scalable applications — and can code … design, and integrate at a high technical standard. What you’ll be doing: Develop and maintain .NET applications (both Windows and web-based). Build and optimise SQL Server and Oracle database components (PL/SQL & T-SQL). Support integration and automation initiatives across financial systems. Apply best practices in design, testing, and DevOps CI/CD pipelines. More ❯

Collaborate with software engineers to align infrastructure delivery with development requirements. Diagnose and resolve infrastructure issues, applying fixes and process improvements. Contribute to internal DevOps standards and documentation. Core Requirements Proven experience with Terraform - advanced Infrastructure as Code deployment on Azure. Strong Azure background, including virtual networks, storage and application gateways. CI/CD pipeline management experience (GitLab … Azure DevOps). Experience with containerisation (Docker, Kubernetes/AKS). Familiarity with security best practices - encryption, access control, compliance frameworks. Hands-on technical foundation in either software development (.NET/C# preferred) or infrastructure engineering. Beneficial Experience Exposure to Azure services: Cosmos DB, PostgreSQL, Redis Cache, Service Bus, Key Vault, Storage Accounts and PrivateLink integrations. Experience with monitoring … tools (Grafana, Prometheus) and RESTful APIs (Postman). Awareness of cloud security tools such as CSPM, workload protection and WAFs. Knowledge of .NET Core/.NET 8 environments and modern single-page application frameworks. We encourage candidates from all backgrounds to apply, reaffirming our commitment to diversity and inclusion, and welcoming applications regardless of race, religion More ❯

Full Stack | Angular | C# | .NET | Energy Trading | £750/Day OUTSIDE IR35 | 6-month rolling | Hybrid | LDN Our client is looking for a C# .NET Engineer for a 6-month rolling project, working at a leading Energy Trading house. This client deals in both physical and non-physical Energy products as well as trading Commodities. They have recently … head count to their operations and trading team to enhance the Energy trading capability within the company. This has resulted in the need for this Full Stack Angular C# .NET developer to join them as they enhance their energy trading desk within the company. This developer will be needed to come into the team as an established Energy Trading … as leading and upskilling peers around them. Having previous trading experience in the Energy Trading space is going to be essential for this role. This Full Stack Angular C# .NET engineering role is: 💸 This role is paying up to £750/day Inside IR35 💻 This hybrid role is 3 days in office 📍 The office is in Central London Technology More ❯

productivity, and environmental impact . Key Responsibilities Lead technical strategy and oversee architecture for scalable, data-driven systems. Remain actively hands-on , designing and developing high-performance C#/.NET back-end systems . Mentor and guide a growing team of developers — setting technical standards and driving best practices. Oversee end-to-end solution delivery, ensuring performance, security, and … End Developer/Engineering Lead/CTO in data-heavy environments Demonstrable history of technical excellence and leadership in commercial software development Technical Expertise Advanced proficiency in C#/.NET Core/.NET Framework Strong command of Azure Cloud Services Deep experience with SQL Server and high-volume transactional systems Expertise in data architecture, performance optimisation More ❯

Hiring: Senior Software Developer Hybrid | Northampton or London | 💼 Full-Time | 💰 From £60k Apply by: 30 September 2025 (or sooner if we find the right person!) Are you a seasoned .NET developer ready to lead enterprise-grade software projects and drive digital transformation? We’re looking for a Senior Software Engineer to join our team and shape the future of … our tech landscape. In this role, you’ll: Lead the design and development of scalable web applications using ASP.NET Web Forms, .NET Core, and C# Architect backend solutions with SQL Server, T-SQL , and Entity Framework Build intuitive UIs with HTML, CSS, JavaScript, and jQuery Develop and integrate RESTful APIs Contribute to Azure-based cloud development and More ❯

Docker, Kubernetes). Experience with security best practices and compliance standards. Familiarity with agile methodologies and agile delivery. Experience with SOLID principles and application architecture design. Proficiency in C# (.NET Core) and/or Java (Spring). Experience with ORM frameworks (EF Core, Hibernate). Proficiency in MVC frameworks (ASP.NET Core MVC, Spring More ❯

Docker, Kubernetes). Experience with security best practices and compliance standards. Familiarity with agile methodologies and agile delivery. Experience with SOLID principles and application architecture design. Proficiency in C# (.NET Core) and/or Java (Spring). Experience with ORM frameworks (EF Core, Hibernate). Proficiency in MVC frameworks (ASP.NET Core MVC, Spring More ❯

Docker, Kubernetes). Experience with security best practices and compliance standards. Familiarity with agile methodologies and agile delivery. Experience with SOLID principles and application architecture design. Proficiency in C# (.NET Core) and/or Java (Spring). Experience with ORM frameworks (EF Core, Hibernate). Proficiency in MVC frameworks (ASP.NET Core MVC, Spring More ❯

Backend Software Engineer/Developer (C# .Net SQL) *London onsite* to £180k+ Are you a technologist Backend Software Engineer with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. As a Backend Software Engineer you'll collaborate with a team of … 2.1 in a STEM discipline from a top tier university (i.e. Russel Group or top 100 global university), backed by A grades at A-level You have advanced C# .Net programming skills including .Net Core (will also consider Java, Python or C++ background if happy to use C# going forward) You have a strong knowledge of … care for elderly relatives Various social groups including sports teams Private healthcare and wellness activities Apply now to find out more about this Backend Software Engineer/Developer (C# .Net SQL) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose More ❯

a fast-moving Agile environment. Key Responsibilities Design, develop, and maintain backend services for our payment platform in JavaScript/TypeScript, as well as our backend services in C# (.NET), and Golang. Operate and maintain systems in Google Cloud Platform (GCP) and Amazon Web Services (AWS) environments. Ensure PCI compliance standards are upheld throughout the system. Work with the … reviews and promote best practices across the engineering team. What will I need to hit the ground running? 3+ years of experience. Proficient in at least one of: C# (.NET Core), JavaScript/TypeScript or Golang. Experience working with cloud platforms (GCP or AWS). Strong understanding of relational and NoSQL databases (MongoDB, Firestore, SQL Server). More ❯

greenfield and brownfield projects. What We’re Looking For A strong communicator and a true team player, you'll bring experience in most of the following: Tech Stack C# .NET Core React & TypeScript Web API Docker/Kubernetes AWS or Azure Git SQL/NoSQL Ways of Working Agile/Scrum TDD, CI/CD, DevOps SOLID More ❯

Software Engineer (.NET/Azure) – London (Hybrid) London, United Kingdom | Full-time | Permanent I'm working with a global business undergoing a major digital transformation, and they’re looking to bring in an experienced Software Engineer to help shape the future of their Azure-based platform. If you're confident with .NET, Azure, event-driven architecture, and keen … be joining a collaborative, cross-functional engineering team that’s modernising a core platform using cloud-native technologies. Key responsibilities include: Developing high-performance Web APIs with .NET Core Designing and optimising Azure-hosted SQL PaaS databases using Entity Framework Building out event-driven microservices architecture Participating in architecture discussions, design sessions, and Agile ceremonies … Contributing to a culture of clean code and continuous improvement What They're Looking For 5+ years’ experience with .NET, SQL Server, Entity Framework, and Azure Solid understanding of distributed systems and event-driven design Strong grasp of OOP principles and microservices A self-starter with a problem-solving mindset and a passion for clean, scalable code Why It More ❯

a global travel and events technology environment. You’ll architect scalable microservices, drive Azure best practices, and guide product-aligned teams across the full SDLC. Essential experience: C# and .NET Core/Framework with strong OO and SOA design Azure Functions, Cosmos DB, Blob/Table Storage, APIM API and event-driven architecture, message-based systems, ODBC More ❯

OBD diagnostics, API-based vehicle integrations, and real-time energy data streams. The Role We’re looking for a skilled Backend Developer with strong experience in C# and the .NET ecosystem to help us scale and evolve our core data and API infrastructure. You’ll play a central role in designing, building, and optimising services that power … This role is primarily backend-focused, but familiarity with modern frontend frameworks (React/React Native/Next.js) is a bonus. Key Responsibilities Develop and maintain robust, high-performance .NET 8+ APIs and services. Work with Azure Functions , Blob Storage , Queues , and SQL/NoSQL databases to build scalable, event-driven systems. Design and optimise APIs that serve our … data integrity. Help evolve our internal tools and services to support ClearWatt’s growing product suite. What We’re Looking For 2+ years of professional experience with C# and .NET Core . Experience building REST APIs or microservices at scale. Familiarity with cloud-native design and Azure services . Understanding of async programming, dependency injection, and distributed More ❯

across the full SDLC. What We’re Looking For A strong communicator and a true team player, you'll bring experience in most of the following: Tech Stack C# .NET Core Web API Docker/Kubernetes AWS or Azure Git SQL/NoSQL Ways of Working Agile/Scrum TDD, CI/CD, DevOps SOLID principles RESTful More ❯

Lead .NET Engineer - Hybrid - £700/day Outside IR35 | WeathTech Platform | Digital Wealth | Azure | Microservice Architecture We’re seeking a Lead .NET Engineer to join a cutting-edge WealthTech platform on a contract basis. This is a hands-on technical role, driving the development and delivery of high-performance investment and portfolio management solutions. Location: London, hybrid Contract … Length: Initially 12 months Day Rate: £700/day Outside IR35 About the Role: As a Lead .NET Engineer, you’ll be responsible for the architecture, development, and deployment of core features on a digital wealth and investment platform. You will work closely with product owners, data teams, and other developers to deliver secure, scalable, and compliant … support high-volume transactions and real-time calculations. Collaborate with Product Owners and Tech Leads to translate business requirements into technical solutions. Skills & Experience: Strong experience with C#/.NET Core and associated frameworks. Proven experience building and maintaining financial or investment platforms. Experience with relational databases (SQL Server, PostgreSQL) and data modeling. Familiarity with cloud platforms More ❯