23 of 23 Remote Senior C# Software Engineer Jobs in the UK

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 ❯

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 ❯

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 required by an established technology company located in Staines. Hybrid working - three days per week in the office. The Senior Software Engineer will focus on developing and maintaining SDKs for for four key products spanning JavaScript (TypeScript), Roku (BrightScript), Android (Java) and iOS (Objective-C … . The Senior Software Engineer will be the "code owner" for JavaScript and Roku SDKs. Being "code owner" for JavaScript and Roku SDKs Helping define software development practices, policies & tooling Strong JavaScript knowledge Commercial experience with Java and/or Objective-C Version control and other core software engineering skills More ❯

Senior Software Engineer (MongoDB/Django) 6-Month Contract Outside IR35 Fully Remote About the Role Aimtech Recruitment are looking for a Senior Software Engineer with deep expertise in MongoDB to help solve complex integration challenges between Django and MongoEngine within a live production environment. This is a … effective MongoDB usage patterns and integration strategies. Help evolve internal tooling, libraries, and data access layers to streamline development. What We re Looking For Proven experience as a Senior Software Engineer with a strong focus on backend systems and database design. Advanced MongoDB knowledge schema design, aggregation pipelines, performance tuning, replication, and indexing strategies. More ❯

Senior Software Engineer Location: Remote with Sheffield HQ visits 6 times a year Annual Salary: £60,000- £75,000 We are currently looking for Senior Software Engineers that have experience with our Backend tech stack (TypeScript, Node & AWS) Join Our Engineering Evolution at Twinkl At Twinkl, we're … not just building software - we're transforming how millions of educators and learners interact with educational content and resources worldwide. By creating adaptable, comprehensive learning tools, we're breaking down educational barriers. We believe in empowering the next generation with the skills and resources they need to succeed, no matter their geographic or economic background. We re not … just sharing resources; we're building a global learning community. As we scale our platform to serve parents, teachers, and students across the globe, we're seeking exceptional Senior Software Engineers to help drive our technical evolution. We're in the midst of an exciting transformation, completely rebuilding our experience from the ground up using React More ❯

Senior Software Engineer Location: Remote with Sheffield HQ visits 6 times a year Annual Salary: £60,000- £75,000 We are currently looking for Senior Software Engineers that have experience with our Backend tech stack (TypeScript, Node & AWS) Join Our Engineering Evolution at Twinkl At Twinkl, we're … not just building software - we're transforming how millions of educators and learners interact with educational content and resources worldwide. By creating adaptable, comprehensive learning tools, we're breaking down educational barriers. We believe in empowering the next generation with the skills and resources they need to succeed, no matter their geographic or economic background. We re not … just sharing resources; we're building a global learning community. As we scale our platform to serve parents, teachers, and students across the globe, we're seeking exceptional Senior Software Engineers to help drive our technical evolution. We're in the midst of an exciting transformation, completely rebuilding our experience from the ground up using React 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 (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 ❯

Job Title: Senior Software Engineer Location: London (Hybrid/Remote options available) We are seeking a talented and motivated Software Engineer with 5+ years of experience to join our dynamic team based in London. You will be instrumental in developing, deploying, and maintaining scalable web applications using modern technologies. Design … develop, and maintain web applications using Python and Django Build and manage cloud infrastructure on AWS Collaborate with cross-functional teams to deliver high-quality software solutions Troubleshoot and resolve software defects and performance issues 5+ years of proven experience in Python and Django development Strong knowledge of AWS services and cloud architecture Good understanding of 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 ❯

Software Engineer Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time This startup is building a cutting-edge platform to transform how engineers design physical products. This company is a spin-out from one of the UK s most successful startups, built by top-tier engineers and developers … from industry leading teams. We re looking for a software engineer who enjoys writing clean, functional code and is genuinely passionate about real-world engineering not just building software, but helping change how things are designed and built. Frontend or Backend Python, FastAPI, Pydantic, PostgreSQL, Docker Frontend: React, TypeScript, Vite Functional programming, async APIs … for geometry, simulation, and data workflows Develop responsive, performant frontends using React and TypeScript Work closely with domain experts (engineers, designers) to translate complex physical problems into usable software features Follow functional programming practices to write testable, composable code Own features from idea to implementation to deployment Bachelor s degree in Computer Science, Engineering, Physics, Mathematics, or a More ❯

Senior Software Engineer Golang, Node.js, TypeScript, React & AWS Fully Remote (Southwest preferred) Salary £60-70k Would you like to join a fintech that s taking the pain away from an entire sector of the finance industry? They built the first version of their product for a handful of contacts who were crying … out for this tech - it was an instant success. You ll be an established Senior or a high-end Mid-Level Engineer who s on the verge of stepping up, and you ll be working across the full stack, ideally with a slight lean towards backend development. js, TypeScript, React and AWS so you ll need More ❯

Senior Product Engineer Remote First (Occasional travel to London) 100k + 10% Bonus Python, TypeScript, GCP/AWS Are you a software engineer with a product mindset? Do you ask questions about what youre building, challenge assumptions, and care deeply about solving real user problems? This is an opportunity for a Senior Product Engineer to join a fast-growing AI and Data scaleup thats pushing the boundaries of innovation in the UK. Collaborating with engineers and product teams to design and deliver high-quality, scalable solutions. Building and maintaining services using Python, TypeScript, and cloud platforms such as AWS or GCP. Working with serverless architectures, containerisation, and NoSQL 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 ❯

Are you interested in working in Tech for Good? Have you got experience working with Kotlin, or are keen to work with Kotlin? Principal Software Engineer Clean Energy for EV Charging &##Up to £150k + bonus + benefits &##Hybrid in London 2 days per week Due to exciting projects in the pipeline, they are looking … to grow their team with Principal Software Engineers who have experience in the following: Kotlin software development (They are also open to Core Java experience, as long as you are happy to work with Kotlin) AWS or other cloud experience Have worked in modern, product-focused tech companies They are looking for engineers who are curious … week If you re interested in working with new technologies while also making a difference to the world, positively impacting through technology, apply now for this fantastic Principal Software Engineer opportunity More ❯

Senior Engineer Data/Software - London - £90,000 - £130,000 My client are expanding their Data Science & Technology, the team builds the systems and tools that enable trading teams to analyze markets, forecast price movements, and manage risk with speed and precision. If you re passionate about engineering impactful solutions in a … local charities 23 days annual leave plus bank holidays Hybrid work model 3 days per week in the London office Collaborate directly with trading and analytics teams to engineer, optimize, and automate front-office workflows and analytical models. Develop robust Python-based services and APIs using modern frameworks, microservice architectures, and best-practice design principles. Design and maintain 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 ❯