12 of 12 Senior C# Software Engineer Jobs in London

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 ❯

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 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 ❯

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 ❯

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 ❯