1 to 25 of 26 Senior C# Software Engineer Jobs in England

Senior C# Software Engineer Are you a talented C# and Azure developer ready to take ownership of innovative projects across Web, Desktop, and Cloud environments Our client, a well-established and forward-thinking software development company, is expanding its team and seeking an exceptional Senior C# Software … role - it’s a chance to lead projects, influence architecture, and make a measurable impact on the products you help deliver. About the Role As a Senior C# Software Engineer, you’ll play a key role in delivering high-quality, scalable, and performant software across a range of cutting-edge systems … a team of talented developers and stakeholders, contributing to technical decisions and ensuring best practices are followed throughout the development lifecycle. Tech Stack You’ll Work With Languages & Frameworks: C#, .NET Core, ASP.NET Core MVC, Web API Cloud & Data: Azure Functions, Azure Storage, Cosmos DB, Azure SQL UI & Front-End: WPF, Blazor, SignalR, Skia DevOps & Integration: Azure DevOps, CI More ❯

Are you an experienced Senior Software Engineer - C# actively looking for a new role? Do you live in the Hertfordshire area or would love the opportunity to relocate and work in one of the UK's most exciting tech hubs? If so, my client has a superb role available to strengthen their R … in in all aspects of design, implementation and debugging of software to bespoke robotic applications. In this experienced Senior Software Engineer - C# job based in Royston you will be responsible for the following: Design user interfaces that are both intuitive and easy to navigate. Oversee the complete software development … lifecycle for new projects, taking accountability for the software aspects of assigned responsibilities. The successful applicant for this Senior Software Engineer - C# job based in Royston you must be: Proficient in C# and .NET. Have a 2:1 or above degree in electronic engineering, software engineering, or a 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 … 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 … backed 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 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 … 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 … backed 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 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 … 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 … backed 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 More ❯

a leading name in defence, aiding Governments, Nations and Societies to defend themselves in an ever-evolving world of cyber crime. We are currently looking for an experienced Senior Software Engineer to join our prestigious Government and Law Enforcement sectors as they continue to see continuous growth and success. A Successful Senior Software Engineer Will Have: Eligibility for SC clearance (British Passport holders). Strong object-oriented programming principles in Java or Python . Knowledge of cloud development on a AWS Experience in hosting and orchestration using Docker , Kubernetes or AWS Autoscaling Groups. Senior Software Engineer Key Details: Discretionary bonus. … Hybrid Working. If this role of Senior Software Engineer sounds like a fit for you, make sure to click apply now! If you'd like to discuss the Senior Software Engineer role further, make sure to get in contact with Zachary Phillips at Anson McCade for a private More ❯

Senior Software Engineer – C# Salary: Up to £100,000 + Benefits Location: Royston (Hybrid) Employment Type: Permanent Are you a seasoned software engineer who thrives on solving complex problems, setting technical direction, and mentoring others? Our client, an innovative and forward-thinking technology business based in Royston, is looking … for a Senior Software Engineer to play a pivotal role in scaling their cutting-edge products to the next level. This is a hybrid position with the opportunity to work part-remote while being part of a highly collaborative and ambitious team. Key Responsibilities Lead by example in implementing best practice software … and maintainability standards. Desirable Experience & Skills Strong candidates are likely to bring most (but not all) of the following: Experience in software engineering, with deep expertise in C# and .NET. Experience with Linux, Python, and Azure DevOps. A proven track record in start-ups/scale-ups would be advantageous Excellent communication skills and the ability to More ❯

Role : Java Software Engineer Salary: Up to 95,000 +10% Bonus Location: London (2 days a week) Key Skills: Java 17+, SpringBoot, React/Typescript, AWS This is a great opportunity for a Senior Java Software Engineer to a travel experiences business. Youll lead backend services and API integrations with … a huge number of 3rd partys across their web and mobile platforms supporting millions of transactions weekly. Responsibilities as the Senior Java Software Engineer: Advocate for best coding practices within the team Uphold development standards and prioritize best coding practices Experience needed as the Senior Java Software Engineer … services (preferably AWS) A passion for ensuring best practices and coding excellence are adhered to Experience leading feature development/projects end-to-end If you're a Senior Java Software Engineer who has experience working across mobile applications. More ❯

Senior Software Engineer Legacy to Modern C#, .Net SaaS Data A fast-growing SaaS business is investing heavily in its tech platform and building out a senior engineering hub in London. They re on the lookout for a Senior Software Engineer to help drive modernisation … and fit for the future. Expect to spend plenty of time coding, alongside leading migrations and leading/mentoring 4 engineers. You will have complete autonomy for all things C# .NET in the business, including decision making on strategy around the direction of the products, the projects, leading the team and liaising with external consultancies etc. Design and build … complex apps with C# and .NET Core/Framework Lead migrations from Web Forms/ASMX to modern stacks (.NET Core, MVC, REST APIs) Partner with QA, Product, and DevOps to deliver reliable features in agile sprints Manage deployments across IIS and AWS Optimise SQL/T-SQL performance for production systems Strong background in C# and modern More ❯

Senior Software Engineer National Security - SC Clearable - Python - AWS Role: Senior Software Engineer Location: Bristol/Hybrid Work Clearance: SC Cleared/Eligible for SC Salary: £55,000 - £70,000 About the Role We re seeking talented Senior Software Engineers with strong … to join Agile delivery teams supporting a range of complex and high-impact Central Government and Critical National Infrastructure projects. You ll help design, develop, and deploy bespoke software solutions that deliver real-world mission value. You ll gain hands-on experience across the full software development lifecycle from concept through delivery working with modern technologies … and open-source tools in secure cloud environments. What You ll Do Design, develop, and test robust software solutions using modern engineering practices. Work with a range of open-source libraries, frameworks, and components. Build and maintain CI/CD pipelines using tools such as GitLab , ensuring code quality and security. Deploy software systems across public More ❯

Senior Software Engineer National Security - SC Clearable Role: Senior Software Engineer Location: Bristol - Hybrid Work Clearance: SC Cleared/Eligible for SC Salary: 55,000 - 70,000 About the Role Were seeking talented Senior Software Engineers to join Agile delivery teams supporting a range … of complex and high-impact Central Government and Critical National Infrastructure projects. Youll help design, develop, and deploy bespoke software solutions that deliver real-world mission value. Youll gain hands-on experience across the full software development lifecycle from concept through delivery working with modern technologies and open-source tools in secure cloud environments. What Youll … Do Design, develop, and test robust software solutions using modern engineering practices. Work with a range of open-source libraries, frameworks, and components. Build and maintain CI/CD pipelines using tools such as GitLab , ensuring code quality and security. Deploy software systems across public (AWS) and private cloud environments. Engage in all stages of the More ❯

Senior Software Engineer Newcastle Hybrid Location: Newcastle upon Tyne (Hybrid 2 days per week in the office) Our client, a forward-thinking and people-centric technology organisation, is seeking a Senior Software Engineer to join their team. In this key role, youll help drive technical excellence, mentor engineers … and deliver impactful, high-quality software solutions. If youre passionate about technology, love solving complex problems, and enjoy supporting others to grow, this opportunity offers a strong platform to make a lasting impact. Mentor and support engineers in their professional development. Identify and lead initiatives to improve system performance, reliability, and maintainability. Champion engineering best practices and help … experience in software engineering, with a strong record of technical leadership. Deep understanding of modern software engineering practices, tools, and system architecture. Strong proficiency in C# and experience building robust, scalable applications. Proven ability to deliver high-quality software in complex environments. Passion for mentoring, teaching, and helping others grow. Active involvement in More ❯

Senior Software Engineer Opportunity - Tech for Good - Up to100k Base + Equity We're looking for a Full Stack Senior Software Engineer to join a mission-driven deep tech spin out from Imperial - think autonomous vehicle-level complexity, but applied to a completely new domain. The ideal candidate … should have some iOS experienceeither as an iOS developer or through exposure while working as a software engineer. London/Hybrid Software Engineering experience with strong fundamentals and a drive to learn. More ❯

our second year, we have ambitious growth plans and are searching for the best and brightest minds from across tech and finance to help us achieve our aim. Senior Software Engineer We are seeking a highly experienced and results-oriented Senior Software Engineer to join our growing team. … including thorough testing, code reviews, and adherence to coding standards. Tackle complex technical challenges and develop creative solutions. Shipping Products: Demonstrate a proven track record of successfully shipping software products to production. Extensive Software Engineering Experience: A minimum of 5+ years of professional software engineering experience, with a demonstrable track record of delivering high … quality software products. Strong Python Skills: Excellent proficiency in Python programming. Focus on Code Quality: A deep understanding of software engineering principles and a passion for writing clean, well-tested, and maintainable code. Demonstrated experience of successfully taking software projects from conception to production. AGITProp, we believe the power of AI lies in its More ❯

Software Engineer (Java Microservices) Package up to £130k + Excellent Benefits An exciting opportunity has arisen for a Senior Software Engineer (Java Microservices) to join one of the UK s leading financial institutions, driving innovative digital solutions that power millions of customer interactions every day. You ll be joining … performance services within a major transformation programme. This is a fantastic opportunity for a technically minded individual with strong server-side experience to design, build, and deploy resilient software solutions that make a real impact. Design, develop, test, and deliver high-quality, maintainable code across the entire software development lifecycle. Apply Agile methodologies to drive continuous … improvement, innovation, and rapid delivery of business value. Contribute to the evolution of software architecture and design, using experimentation and prototyping to shape modern solutions. Champion automation across build, testing, and deployment processes to enhance quality, reliability, and development efficiency. Strong background in developing Java-based microservices, leveraging modern frameworks such as Spring Boot and Project Reactor. Experienced More ❯

Senior Software Engineer (Contract) Team: Digital Workplace Experience Contract: 612 months Our Digital Workplace Experience Team is on a mission to create beautifully simple, empowering digital tools that help our teams across restaurants and Central Support thrive every day. Were looking for a Senior Software Engineer (React Native More ❯

Senior Software Engineer At Nando s, we re building scalable, data-driven solutions that keep our restaurants safe, compliant, and thriving every day. This is more than just code it s about creating technology that directly supports the people running our restaurants and the communities we serve . The Safety & RMD Team We re … looking for a Senior Software Engineer to join our Safety & Restaurant Master Database (RMD) team. We build two critical product lines: safety and compliance systems that help restaurant teams report incidents and manage compliance, and the Restaurant Master Database the single source of truth for operational data that drives decision-making across Nando s. … skills, and develop your career in an environment where inclusion, teamwork, and progression are central to everything we do. You ll have clear opportunities to grow as an engineer and as a leader, with mentoring, training, and the space to take your career wherever you want it to go. Designing, building, and improving event-driven workflows using Cloud More ❯

We have an exciting opportunity for a Senior Software Engineer (C#) to join our Product & Tech team on a full-time, permanent basis. If you're a self-starter with a keen interest in software development and enjoy collaborating in a team setting, we want to hear from you. About the … efficient, stable and scalable software systems Work closely with Technical Leads and Product Owners to deliver business value Design, develop and maintain complex applications and services using C# and the .NET ecosystem Participate in and lead code reviews to ensure high code quality Champion HealthHero values and contribute to the continued success of the organisation What you … will bring: Solid understanding of core C# language features, including OOP, collections, exception handling, and asynchronous programming - we are using .NET 8 & 9 Cloud – We use Azure, but if you have experience in another major cloud we are happy to help you transfer your knowledge Experience designing REST APIs and event-driven applications Experience in developing front end applications More ❯

Senior Software Engineer (Test Software) Salary: Up to £75,000 per annum + Bonus Benefits: Job security (Big industry investment, no redundancies during Covid & kept hiring), great pension, Annual Pay Review, Enhanced Parental Leave, Training & Membership Fund, Courses & Training, Hobby Clubs and more A market leading and global company within the … aerospace defence sector are looking for passionate software engineers with experience within test software. This is a fascinating chance to be involved with developing and supporting test software solutions for use within test equipment on aerospace electronics and their control systems. You will get the opportunity to work with teams across all areas test solution design … including Real-Time, software, hardware and simulation on mission critical development. This position is subject to security clearance and so all candidates must be British Citizens and have resided in the UK for the last 5 years. Strong programming knowledge of C, C++ or ADA Previous experience within software development for hardware or safety critical testing More ❯

Senior Software Engineer Hybrid - 4 days a week in Central London £100k + Bonus + Equity We re working with a well funded, high-growth fintech start-up that s building the next generation of financial automation. They're building an Ai powered, fully automated financial operating system and payment platform. Fintech start … onboarding, helping translate needs into solutions (strong comms required) Building and scaling core features (stack is currently .NET, AWS, with React on the front end) Strong backend engineering experience - C#, .Net Core, AWS Comfort-ability contributing to the front end, ideally using React Proven experience building 3rd-party integrations (GoCardless, Stripe, or similar) Progression - career growth opportunities as the … some of the industries best engineers Ownership Work closely with leadership in a flat, agile team Competitive package £100k + equity + bonus It s for an engineer who loves solving technical challenges, enjoys working directly with customers, and wants to help build something big from the ground up. More ❯

combining data science, algorithmic precision, and intuitive design, we develop cutting-edge tools that enable users to analyze, interpret, and act on market dynamics with confidence. As a Senior Software Engineer in the Product Engineering team you will build and evolve a data and content dissemination platform (Web, App, APIs, messaging) and corresponding data … help in business requirement analysis and specification to improve not only the tools but also processes and information flow throughout the company. Design, plan and implement new efficient software solutions in Python and Go Maintain and enhance our Airflow data pipelines Build and extend knowledge of financial instruments in Computer Science or similar field involving coding (e.g. physics … or applied mathematics) Algorithms, data structures, complexity analysis and software design Hands-on senior level experience in Python programming Unix based systems, containerized environments and Kubernetes Working experience with databases: relational, NoSQL and time series Proficient written and verbal communication in English Team player, strong sense for quality, reliability and innate curiosity to learn new things More ❯

Senior Software Engineer Hybrid/Remote working flexibility. Offices based in Bournemouth, Dorset. OOP, PHP, LAMP, MVC Symfony, HTML, CSS, JavaScript/TypeScript Salary circa £60,000 - £65,000 plus benefits including remote working, pension scheme, private medical cover My client are at the forefront of delivering technology to the transport sector More ❯

Software Developer (.NET/Azure) Manchester/Remote up to 80k Tired of firefighting someone elses code? Want to actually see the impact your work has on customers? This team sits right at the centre of our growth the bridge between product and client. Youll be building and integrating new components, rolling out product enhancements, and making sure … deliver seamless solutions. Championing clean, test-driven, event-driven development (TDD/SOLID). Using Azure DevOps to streamline delivery and automation. What Were Looking For: Strong experience with C# .NET Core and Azure. A developer who enjoys variety one week building new features, the next integrating with a clients system. Confident communicator with both internal teams and external More ❯

Software Developer (.NET/Azure) Manchester/Remote up to £80k Tired of firefighting someone else s code? Want to actually see the impact your work has on customers? This team sits right at the centre of our growth the bridge between product and client. You ll be building and integrating new components, rolling out product enhancements … seamless solutions. Championing clean, test-driven, event-driven development (TDD/SOLID). Using Azure DevOps to streamline delivery and automation. What We re Looking For: Strong experience with C# .NET Core and Azure. A developer who enjoys variety one week building new features, the next integrating with a client s system. Confident communicator with both internal teams and More ❯

is a hands-on role with real ownershipdesigning and building backend systems, collaborating with stakeholders, and shaping the technical roadmap across a suite of integrated platforms. NET Core and C# (including LINQ, JSON, IoC) Experience with Azure PaaS: Function Apps, Blob/Table Storage, Service Bus, Azure Search, API Management Comfortable working in an Agile environment using Wikis and More ❯