151 to 175 of 636 Senior Developer Jobs in the UK

Senior PHP Developer - London (Hybrid working applies) Are you an experienced PHP Developer ready to step into a senior role and make real technical impact? Join a collaborative, forward-thinking team building robust, scalable applications used by thousands of end users every day. We're looking for someone passionate about clean code, modern software practices, and More ❯

Senior PHP Developer – London (Hybrid working applies)Are you an experienced PHP Developer ready to step into a senior role and make real technical impact? Join a collaborative, forward-thinking team building robust, scalable applications used by thousands of end users every day. We're looking for someone passionate about clean code, modern software practices, and More ❯

Ready to build smarter, faster, AI-driven solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? We are seeking a Senior Backend Developer to support the development of our AI-driven marketing platform, with a strong focus on performance, scalability, and data pipeline architecture. This role is ideal for … development and working with modern data infrastructure. At Ask BOSCO® , we're on a mission to help brands spend smarter with our award-winning predictive analytics platform. As our Senior Backend Developer you won't just write code - you'll shape the future of a high-growth MarTech product, lead technical strategy, and work directly with founders, data … your voice matters, your technical brilliance is valued, and your work directly influences product growth and innovation, we'd love to hear from you. The Role at a Glance: Senior Backend Developer Hybrid - Leeds HQ 1–2 Days per Week £70,000 - £90,000 DOE Plus Benefits: including a 4-day week – we work smarter so that we More ❯

Ready to build smarter, faster, AI-driven solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? We are seeking a Senior Backend Developer to support the development of our AI-driven marketing platform, with a strong focus on performance, scalability, and data pipeline architecture. This role is ideal for … development and working with modern data infrastructure. At Ask BOSCO® , we're on a mission to help brands spend smarter with our award-winning predictive analytics platform. As our Senior Backend Developer you won't just write code - you'll shape the future of a high-growth MarTech product, lead technical strategy, and work directly with founders, data … your voice matters, your technical brilliance is valued, and your work directly influences product growth and innovation, we'd love to hear from you. The Role at a Glance: Senior Backend Developer Hybrid - Leeds HQ 1–2 Days per Week £70,000 - £90,000 DOE Plus Benefits: including a 4-day week – we work smarter so that we More ❯

Senior Software Engineer/Software Developer who has proven software application development experience across the stack C#, ASP, .NET, Blazor, API Development, Microservices, Containers and Deployment Pipelines is required for a well-established company based in Bedford, Bedfordshire. TWO JOBS AVAILABLE WOULD YOU LIKE TO HELP SHAPE THE FUTURE OF THE COMPANYS TECHNOLOGY? If you can design and … can be based in either UK or Portugal Local Salary Ranges Will Apply JOB TYPE: Full-Time, Permanent JOB OVERVIEW We have a fantastic new job opportunity for a Senior Software Engineer/Software Developer who has proven software application development experience across the stack C#, ASP, .NET, Blazor, API Development, Microservices, Containers and Deployment Pipelines. Working as … a Senior Software Engineer/Software Developer youll design and build high-quality, scalable software that keeps the companys products and operations running smoothly. Youll write clean, maintainable code that balances immediate needs with long-term system sustainability. As the Senior Software Engineer/Software Developer you will work closely with both technical and non-technical More ❯

Senior Software Engineer/Software Developer who has proven software application development experience across the stack C#, ASP, .NET, Blazor, API Development, Microservices, Containers and Deployment Pipelines is required for a well-established company based in Bedford, Bedfordshire. TWO JOBS AVAILABLE WOULD YOU LIKE TO HELP SHAPE THE FUTURE OF THE COMPANY’S TECHNOLOGY? If you can design … can be based in either UK or Portugal – Local Salary Ranges Will Apply JOB TYPE: Full-Time, Permanent JOB OVERVIEW We have a fantastic new job opportunity for a Senior Software Engineer/Software Developer who has proven software application development experience across the stack C#, ASP, .NET, Blazor, API Development, Microservices, Containers and Deployment Pipelines. Working as … a Senior Software Engineer/Software Developer you’ll design and build high-quality, scalable software that keeps the company’s products and operations running smoothly. You’ll write clean, maintainable code that balances immediate needs with long-term system sustainability. As the Senior Software Engineer/Software Developer you will work closely with both technical More ❯

A fantastic opportunity for a Senior Software Engineer to work for a Health-Tech software company, which is making technological advances and solutions that help the NHS. Having grown to almost 100 people, they are looking to bring on an experienced Developer to work within their back-end platform and systems integration team. This team uses a range … to travel to Ipswich, Suffolk twice a quarter) – must be UK based Salary: Up to £65,000 per annum + benefits (with a clear salary progression path) Requirements for Senior Software Developer Strong commercial experience working in a senior software engineering capacity using PHP, Laravel & MySQL Experience specifically with message queues and event-driven systems (using RabbitMQ … skills - this team is highly collaborative so they are looking to continue this with great communicators Experience in the following is beneficial: RabbitMQ, JavaScript, React, Redis, Electron Responsibilities for Senior Software Developer Working in an agile environment you will be working within the back-end platform and system integration team using a broad range of technologies including PHP More ❯

Senior .NET Software Developer Manchester - One Day a Week I'm currently working with a client based in Manchester City Centre, who have an exciting opportunity for a Senior Software Developer to join their growing team. In this role, you will be responsible for developing software and application solutions as an integral part of a fast … Application using cutting-edge front-end web development technologies, such as Angular, HTML5, NativeScript, and TypeScript. This is supported by C# .Net APIs and hosted on Azure. As a Senior you will be expected to lead on: solution design, story refinement, identifying and recommending options, and coaching staff. Key experience: Front-end development using Angular, TypeScript, and JavaScript Developing … .NET 8, LINQ, .NET Framework SQL Server - T-SQL System build, deployment and administration using Azure DevOps on a range of Azure services If you're an experienced Software Developer skilled with C#, .NET, Angular, and T-SQL, this could be the perfect opportunity for you. Please apply to be immediately considered. Many thanks, Elliot Oscar Associates (UK) Limited More ❯

Senior Reporting & Systems Developer required for further education client in East of England SQL, SSRS, Power BI Report development Systems improvement WeDoData have partnered with a large training provider who are looking to recruit a full time, permanent Senior Reporting & Systems Developer to join their busy MIS team. Our client is a leading further and higher … education provider who are located across 2 main campuses in the East of England. As Senior Reporting & Systems Developer you'll take the lead in developing and maintaining BI reports using MS tools like SSRS and Power BI. You'll also play a crucial part in improving the college MIS and associated systems. In return the college can More ❯

Vacancy for Senior Software Developer at The National Archives Vacancy for Senior Software Developer at The National Archives 21 May 2021 Richmond upon Thames, London Full-Time Do you have a passion for delivering creative, user focused digital services to a global audience of millions? Would you enjoy working as part of a multi-disciplinary digital … in the world. We are exploring new approaches and tools, simplifying key transactions and finding new ways to help people to use our collections. We are looking for a Senior Software Developer with extensive experience working within the Django web and rest frameworks and ideally with Wagtail CMS development experience. Initially you will work with our contracted supplier … pipelines would be helpful but not essential as we will provide training in those. Our developers have a vital role to play in growing our DDaT capability. In this senior role you will demonstrate excellent software development, interpersonal and team-working skills. You will also have a willingness to learn new skills across a range of technologies, and play More ❯

Senior Java Developer - 70K Location: West Midlands Industry: IT Salary: £60,000 - £70,000 per annum + Pension, Health, Gym Posted: 27/08/2024 Description Senior Java Developer, Java Software Engineer, Java 17, Spring Boot, Maven, Git, GitHub Actions, SQL, Microservice architecture, Kafka Streams, Kubernetes, React, Typescript - Technical lead on project - Fully remote if … needed - £70K About the Role As the Senior Java Software Engineer, you'll be a key player in developing this cutting-edge CRM SaaS solution. You'll work on projects throughout the software lifecycle, from requirements analysis to release management and support. What You'll Do Work with the wider project team, engaging with PM & Business Analysts and communicating … the customer-driven proactive roadmap, introducing innovations for new digital services Report directly to the Principal Engineer Required Skills and Experience A solid background in software development Experience in senior roles within teams or projects Expertise in Java, Spring Boot, Maven, Git, GitHub Actions, SQL, Microservice architecture, Kafka Streams, Kubernetes Knowledge of software design principles Primarily a backend role More ❯

Permanent £50,000 - £80,000 Site Based Cambridgeshire, United Kingdom Updated on: 24-07-2025 ROLE OVERVIEW We are currently looking for a Senior Bioinformatics Software Developer to join a leading biotechnology company based in the Cambridge area. As the Senior Bioinformatics Software Developer, you will be responsible for developing and enhancing the company's proprietary … profiling platform, which supports drug discovery based on clinical data. KEY DUTIES AND RESPONSIBILITIES: Your duties as the Senior Bioinformatics Software Developer will be varied; however, the key duties and responsibilities are as follows: 1. Design and develop bioinformatics analysis tools and workflows. 2. Implement production pipelines in a managed compute environment. 3. Optimise and streamline production pipelines … standards. 4. Evaluate and implement new tools and technologies to improve and extend platform capabilities. ROLE REQUIREMENTS: To be successful in your application to this exciting role as the Senior Bioinformatics Software Developer, we are looking to identify the following on your profile and past history: 1. PhD or Masters in Computer Science, Bioinformatics, or a related field More ❯

Contract Lead Full Stack Developer | Java/TypeScript/Node.js/Next.js | Fully Remote | £550-£600 p/day | Outside IR35 | 3-week contract A long-standing client of ours is looking for a user-focused Senior Developer to deliver the final phase of a large-scale SaaS platform. The project is currently around 60% complete, and … Postgres Node.js/Next.js (both ideal) Deep knowledge of AWS Lambda If this sounds like you and you're up for this project- apply now! Contract Lead Full Stack Developer | Java/TypeScript/Node.js/Next.js | Fully Remote | £550-£600 p/day | Outside IR35 | 3-week contract Oscar Associates (UK) Limited is acting as an Employment Business More ❯

Senior Software Developer Location: Hybrid, Croydon The Company: At Amber Labs, we are a cutting-edge UK and European technology consultancy that prioritises empowering autonomy, promoting experimentation, and facilitating rapid learning to provide exceptional value to our clients. Our company culture is centred around collaboration, where all colleagues, regardless of their role, work together to minimise risk and … shorten delivery times. Our team consists of highly-skilled cross-functional consultants, analysts, and support staff. Job Overview We are seeking a talented and experienced Senior Software Developer to join our dynamic team. The ideal candidate will have a strong background in government operations and a deep understanding of cloud technologies, particularly Amazon Web Services (AWS). If More ❯

Senior Full Stack C# Developer, Senior .Net Core/React Analyst Programmer , AWS, Cloud, Azure, C#/.Net, Microsoft Stack, ASP.Net, MVC, WEB, React, Angular, JavaScript, CI/CD - Nottingham 75K Global Software House - East Midlands Salary up to 75K + pension, bonus, flex around start/finish times. - 3 days in office Do you have a … background in .Net Core, C#? Are you comfortable working in a full stack role with React? Have you worked on cloud based solutions, ideally AWS ? Role: A seasoned software developer with over five years of commercial experience in modern C# .NET development (6-9+), complemented by at least two years of hands-on React and frontend development expertise. More ❯

Senior Software Developer £80,000-£110,000 depending on experience and skillset Flexible hybrid set up (Worcestershire office anywhere from 5 days a week to monthly, as preferred/dependent on your location) Do you have a Rust software development background? Drive development of an original Linux-based network security appliance as a Senior Software Developer More ❯

Senior BI Developer - Perm £45k - Evolving Gaming Hub Job Type Permanent Location Warrington, Cheshire Job Ref BBBH19 Date Added August 12th, 2025 Consultant Tom Gresty Senior BI Developer - Perm £45k - Evolving Gaming Hub A global betting and gaming company embarking on a new journey to pioneer innovative products is seeking a Senior PowerBI Developer More ❯

We are seeking an experienced Senior Developer to support the integration of Banking Book and Trading Book Accounting onto a single platform. This role requires expertise in ETL, Java, accounting, finance , and banking domain knowledge to understand and enhance both accounting engines. You will collaborate with cross-functional teams to design, develop, and optimize solutions using modern techniques. More ❯

Senior MVC Developer Office Location: Hemel Hempstead - Hybrid Working Salary: £75,000 Key Responsibilities Technical Delivery & Solution Design Take a lead role in the development and support of Microsoft MVC and .NET web applications and C# Console and API solutions, ensuring best practices are followed throughout the software lifecycle. Full working knowledge of SQL SERVER and Entity Framework. More ❯

Our client, an ingenious early stage VC backed next generation telecoms software provider is looking for a Senior Software Developer to join their incredible team of 20-25 experienced, talented and enthusiastic multi-platform engineers. This role is for a Senior Software Developer to work on a next generation cloud-agnostic, micro-service network management platform. … engineers Design, develop, troubleshoot and debug software programs for databases, applications, tools, networks etc. Kubernetes cluster creation Kubernetes cluster maintenance and troubleshooting Creating terraform based infrastructure Support SRE and developer teams Follow security practices on all infrastructure Maintain documentation and updating runbooks Incident detection, response and remediation Post incident reviews Experience Needed 3+ years of industry experience building mission More ❯

environment through regular meetings and pair working. Through this collaboration, we achieve a shared understanding of the problems faced by our users, ensuring we deliver optimum solutions. As a developer, you will work closely with key stakeholders on a range of software challenges and will have the opportunity to help us improve the team's tech-stack, as well … cutting-edge technology. This is your opportunity to play a pivotal role within our firm, with a focus on building sustainable software that drives our business. We seek a senior developer to help design, build, deliver, and run world-class digital solutions serving the pensions market. We are open to considering candidates on a part-time or full … team Able to forge strong and professional relationships at all levels Able to collaborate successfully with client and third-party technical teams Able to effectively articulate technical concepts with senior stakeholders Confident across the entire software development lifecycle You may also be interested in developing skills in the following key areas (but not essential): F# Please note that as More ❯

Senior Fullstack Software Developer Our Client is a relatively young company but growing quickly in the world of financial technology solutions. They are now looking to recruit a Senior Fullstack Software Developer with at least 5 plus years expertise. The ideal candidate will have great problem solving and communication skills and be comfortable with fast paced More ❯

Senior .Net Developer Location: Bristol - 2 days a week onsite Salary: £75,000 - £84,000 plus benefits iO Associates are working with a well-known business in their search for 2 Senior Backend Developers to join them on a permanent basis. Founded over 20 years ago, they are a household name with over 7 million customers They … are looking for Product focussed engineers as they start a big digital transformation. As a Senior Backend Engineer, you will be building single page applications utilising .Net Core and Azure Kubernetes Services. Being a Senior Engineer you will work closely with a small group of highly determined, similar minded people and help to mentor and coach the team. More ❯

intuitive and enjoyable to use. Guided by best-in-class UX principles and deep industry expertise, we're on a relentless path to become a leader in decentralized finance. Senior Developer Location London/Remote Salary 45000 - 125000 a year (s) Description About our portfolio company: We are building a decentralized trading platform designed to revolutionize the user … is a beta feature to avoid spam applicants. Companies can search these words to find applicants that read this and see they're human. Job type: Remote job Tags developer design web3 defi crypto code financial finance leader senior digital nomad Sent 1 day ago Apply on external site Share on Facebook Share on Twitter Share on LinkedIn More ❯

Senior C# React Developer - Nottingham Location: East Midlands Industry: IT Salary: £55,000 - £75,000 per annum + Hybrid, Pension Posted: 16/07/2025 Description We are looking for a Senior Full Stack C# Developer/Senior .NET Core/React Analyst Programmer to join a global software house based in the East More ❯