senior software engineer

10,000 senior software engineer job listings in United Kingdom. Find daily updated positions from leading job boards.


  • Guildford, England, United Kingdom CatchFish Full-time

    The Role: An exciting role working across the Full Stack, also with the opportunity to work with Web, desktop and mobile projects. You will also have the chance to work with angular and on the back end with .net core. You will be working closely with the architects and engineers, despite working remotely.Requirements:Outstanding experience in C#Works with...


  • London, England, United Kingdom Synoptix Limited Full-time

    Senior Software Engineer The Role: This is a highly varied role giving the successful candidate the opportunity to work across multiple projects and at all stages of the Software Development Lifecycle. Whilst focused on software development, this role also provides the opportunity to participate in software design at all levels. This will include work...


  • London, England, United Kingdom Henderson Scott Full-time

    Position Available:Software Engineer Location:Hertfordshire Salary:£50,000 - £75,000 DoE + Bonus Experience needed:We are looking for several Software Engineers with a strong background in designing complex software systems within a safety-critical, real-time, or embedded environment. The ideal candidate will have a strong technical foundation, excellent...


  • London, England, United Kingdom Teksystems Full-time

    Job Title:SeniorPython AI & Data EngineerJob DescriptionThis full-time role, based in Sheffield, focuses on designing and delivering intelligent data workflows that connect enterprise systems with large language models and agentic AI solutions. You will develop and evolve a Gen AI-powered case management platform that enables users to retrieve accurate...


  • Portsmouth, England, United Kingdom Sirius Digital Services Full-time

    Senior Software Engineer Salary: Negotiable plus benefits, pension (7% contribution), 25 days holiday & life insuranceWe are looking for senior software engineers with a range of levels of experience including designing and delivering software applications.We are a small but rapidly growing consultancy, owned by four highly experienced and recognised...


  • City of London, England, United Kingdom XCEEDANCE LIMITED Full-time

    About XceedanceXceedance is a global provider of strategic consulting, managed services, and technology solutions to the insurance industry. We help insurers, reinsurers, brokers, and MGAs modernize operations, enhance underwriting and claims capabilities, and accelerate digital transformation using data, analytics, and advanced platforms.Java Software...


  • Cambridge, England, United Kingdom TEC Partners Full-time

    Role: Senior Software EngineerLocation: Cambridge, Hybrid (3 days onsite)Salary: Up to £k + Bonuses DOEAre you a Senior Software Engineer who thrives on solving complex technical challenges and building high-performance systems? Join an innovative Cambridge-based team pushing the boundaries of their industry.You'll be part of a close-knit, highly...


  • Hertfordshire, England, United Kingdom TEC Partners Full-time

    Role: Senior Software EngineerLocation: Royston (Onsite)Salary: Up to £65, DOEA growing, innovation-led biotechnology company based in the Cambridge area is seeking a Senior Software Engineer to support the development of advanced instrumentation platforms used in cutting-edge scientific research. This is a fantastic opportunity to work on complex systems...


  • Hythe End, Berkshire, United Kingdom Redline Group Ltd Full-time

    Excellent opportunity for a Senior Software Engineer to join an innovative technology company based in Surrey, developing advanced imaging and detector solutions for demanding scientific and industrial applications. This is a hands-on position offering the chance to work across the full product lifecycle, from software development and system integration...


  • , United Kingdom TEKsystems Full-time

    Job Title: Senior Python AI & Data EngineerIs this the role you are looking for If so read on for more details, and make sure to apply today.Job DescriptionThis full-time role, based in Sheffield, focuses on designing and delivering intelligent data workflows that connect enterprise systems with large language models and agentic AI solutions. You will...


  • Sheffield, England, United Kingdom Areti Group | B Corp™ Full-time

    Sheffield, Leeds or London, maximum once per month on siteActive SC clearance is essentialPrevious experience working within a UK government organisation is essential.We are looking for an experienced Senior Software Developer to join a major programme within a UK government organisation.This is a hands‑on backend development role with a strong focus on...


  • Greater London, England, United Kingdom Holt Recruitment Full-time

    A leading technology organisation is seeking an experienced Senior Software Engineer to join a team responsible for developing and supporting critical software applications used to monitor, analyse, and optimise large-scale operational systems.This is an exciting opportunity for a hands‑on engineer to work on real‑time data platforms, operational...


  • Greater London, England, United Kingdom Northreach Full-time

    Northreach is a dynamic recruitment agency that connects businesses with top talent in cell & gene therapy, fintech, and digital sectors. We specialize in providing a seamless recruitment experience for clients and candidates, fostering innovation and professional growth. Senior Software Engineer Are you an experienced C#/.NET Core engineer looking to build...


  • Milton, Scotland, United Kingdom Praxis Tech Full-time

    The Senior Software Engineer will play a key role in developing and maintaining our platform, working alongside a talented team to deliver innovative solutions. Jumbo Interactive Limited is a leading iGaming company with a focus on delivering engaging and secure online gaming experiences. Estimated Benefits Generous leave entitlements Benefits estimated...


  • Greater London, England, United Kingdom Optimizely Full-time

    Salary: £63,000 - 103,000 per year Requirements: ~8+ years of experience in software engineering, flexible depending on experienceStrong fundamentals in software design and engineeringExperience with C# and .NET, and React on the frontendExperience with CMS platforms, content modelling, or similar domainsExperience building and operating cloud-based...


  • Greater London, England, United Kingdom Terra API Full-time

    Role Overview You will own and ship core platform systems that power how health data flows through Terra — from upstream data suppliers (wearables, health apps, sensors) into our unified schema, and out to downstream developers and AI consumers via our REST API, Streaming API, and webhooks. What You Will Build Unified API & Data Normalisation: Design and...


  • Leeds, England, United Kingdom Opencast | B Corp™ Full-time

    Ready to work somewhere that cares more about how you build software than how fast you can ship it? At Opencast, we don’t measure developers by the number of tickets you complete. We care about engineering craft, clean design and thoughtful problem-solving. Opencast consultants deliver in complex environments, pairing often and working with others who take...


  • Milton Keynes, England, United Kingdom Marshall Resource Partners Ltd Full-time

    To develop and maintain a microservices-based system using PHP and modern frameworks, contributing to the re-architecture of our bespoke platform., The Senior Software Engineer will be responsible for implementing microservices using PHP, with a strong emphasis on Laravel or similar frameworks. The role also involves database design and development, API...


  • Nottingham, England, United Kingdom Experian Group Full-time

    Role OverviewExperian - Credit Services, Identity & Fraud are looking for a Senior Software Engineer to help us build and improve a mature, business-critical product. You'll work across the full stack in a collaborative, agile team, taking features from design through to delivery. Because our software handles sensitive customer data in a regulated...


  • Greater London, England, United Kingdom Sony Music Entertainment UK Full-time

    About Sony Music Entertainment At Sony Music Entertainment, we fuel the creative journey. We have played a pioneering role in music history, from the first-ever music label to the invention of the flat disc record. We have nurtured some of music's most iconic artists and produced some of the most influential recordings of all time. Today, we work in more...