1 to 25 of 575 Permanent Senior Developer Jobs in the UK

Senior Software Developer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native Why? scaling FinTech, revolutionising the industry Location : Hybrid - 1-2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products to consumers. The … organisation is committed to empowering individuals by enhancing their understanding and control of personal finance through clarity, intelligence, and technology. Senior Software Developer -Responsibilities Design, develop, and maintain advanced applications. Collaborate with cross-functional teams to define, design, and ship new features. Optimize components for maximum performance across a vast array of web- capable devices and browsers. Maintain … the highest quality. Troubleshoot and debug to optimize performance. Provide code reviews, feedback, and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols Senior Software Developer -Experience Required Proven experience as a Full Stack Developer or similar role with a strong portfolio of projects. Expertise in Node.js and AWS Lambda for More ❯

Senior Full Stack Developer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native Why? scaling FinTech, revolutionising the industry Location : Hybrid - 1-2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products to consumers. … The organisation is committed to empowering individuals by enhancing their understanding and control of personal finance through clarity, intelligence, and technology. Senior Full Stack Developer -Responsibilities Design, develop, and maintain advanced applications. Collaborate with cross-functional teams to define, design, and ship new features. Guide and develop the skills of junior engineers. Optimize components for maximum performance across … quality and speed. Troubleshoot and debug to optimize performance. Provide code reviews, feedback, and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols Senior Full Stack Developer -Experience Required Proven experience as a Senior Full Stack Developer or similar role with a strong portfolio of projects. Expertise in Node.js and More ❯

Senior NetSuite Developer – NetSuite, Systems Developer, Software Developer, Systems Engineer, Software Engineer, Web Developer, SuiteScript, Technical Lead, NetSuite Engineer, Senior Developer, Lead Developer, Integration Developer, Mulesoft, Celigo, Boomi, HTML, JavaScript, API – London -Surrey – Hampshire – Kent – Essex – Oxfordshire – Hertfordshire - Buckinghamshire – Belfast – Dublin, £80,000 - £100,000 per annum Our client, a UK … based global end user, are seeking a Senior NetSuite Developer to join their internal team to support implementations, customisation and further enhancements across the business. The ideal candidate will posses a strong technical background in SuiteScript, SuiteFlow, and NetSuite development best practices as well as a good understanding of business processes within NetSuite. This is a hybrid working … . Familiarity with Agile development practices and working in an Agile environment. Desirable Skills & Experience: Bachelor’s degree in computer science/information technology or similar Preferred certifications: Application Developer, Web Services Developer, SuiteCloud Developer Other NetSuite certifications are an advantage (Administrator, ERP Consultant etc.) Experience with Boomi, Mulesoft or other integration platform preferred Main Responsibilities: Design More ❯

Senior Software Developer - Exeter, Devon (Hybrid) About Us At FDB (First Databank), we create and deliver the worlds most trusted drug knowledge, enabling healthcare professionals to make critical decisions that improve patient safety, efficiency, and outcomes. Our solutions are embedded across hospitals, GP practices, pharmacies, and wider healthcare systems, supporting millions of patients every day. Our values guide … Clear Expectations, Constantly Curious, and Health at the Heart. If these resonate with you, youll feel right at home with us. The Opportunity Were looking for a talented software developer with expertise in C#, .NET and Agile methodologies to join us on a full-time, permanent basis, working in a hybrid manner with at least two days per week … and collaboration is second nature. Well support you to deepen your technical expertise, explore emerging technologies and be part of a forward-thinking environment. What Youll Do As a Senior Software Developer, youll be part of the team behind the next generation of FDB solutions. Youll craft intelligent, high-performance software that supports clinicians, patients and health systems More ❯

Senior .Net Developer - South Wales - to 56K plus benefits I am seeking a Senior .Net Developer to work for a fantastic business based in the heart of South Wales. The organisation are putting together a new software development, QA and DevOps team and the successful Senior .Net Developer will be at the heart of … the technical decision-making on a string of exciting greenfield projects. The right Senior .Net Developer will have demonstrable experience of working in an Agile Development team, and will have excellent skills in .Net and C#. You will have excellent knowledge and experience of API development, and will have skills in Azure. The right person for this role … will receive the following benefits: Salary of up to 56K DOE Employer pension contribution of up to 9% 25 days holiday Discount schemes Excellent training and development The successful Senior .Net Developer will have the following skills and attributes: Strong skills in .Net C# Development Understanding of Event-Driven Development (Azure Event Hubs, Service Bus, Event Grids) Building More ❯

Senior .Net Developer - South Wales - to £56K plus benefits I am seeking a Senior .Net Developer to work for a fantastic business based in the heart of South Wales. The organisation are putting together a new software development, QA and DevOps team and the successful Senior .Net Developer will be at the heart of … the technical decision-making on a string of exciting greenfield projects. The right Senior .Net Developer will have demonstrable experience of working in an Agile Development team, and will have excellent skills in .Net and C#. You will have excellent knowledge and experience of API development, and will have skills in Azure. The right person for this role … will receive the following benefits: Salary of up to £56K DOE Employer pension contribution of up to 9% 25 days holiday Discount schemes Excellent training and development The successful Senior .Net Developer will have the following skills and attributes: Strong skills in .Net C# Development Understanding of Event-Driven Development (Azure Event Hubs, Service Bus, Event Grids) Building More ❯

Senior Developer Location: Hybrid/Swindon (mostly home-based, with occasional travel to Swindon HQ) Package: Competitive salary + full benefits At tmGroup , we’re taking conveyancing into a brighter, smarter, and simpler future with our award-winning technology. From instant quote tools and seamless client onboarding to comprehensive searches and robust risk management, we use our expertise … in data, tech, and conveyancing to empower our clients to move forward with confidence. We’re looking for a Senior Developer to design, build, and enhance the next generation of our platforms and applications that power the UK Legal and Property sectors. This is a full-stack role where you’ll work across modern and legacy technologies to … culture. Working within an Agile environment, you’ll collaborate with Product, Architecture, and cross-functional teams to deliver new features, improve code quality, drive innovation, and continually enhance the developer experience. What you’ll do Design, develop, and maintain high-quality applications using a diverse tech stack (.NET, C#, TypeScript/JavaScript, SQL/Postgres, AWS). Lead on More ❯

Senior Developer .NET - Fintech – Remote Senior Developer .NET wanted as our team is growing fast Calling highly motivated, bright candidates who are looking for a career at an exciting award winning FinTech firm Company: Wealth Dynamix Role: Senior Developer .NET Location: London Start Date: ASAP Would you like to join one of the fastest … a global leader in end-to-end CLM, Wealth Dynamix has offices and clients in three continents with headquarters in the UK. What is the role? The .NET Integration Developer will join the CLMi Engineering Team to design, build, and maintain integrations between the CLMi platform and external systems across the private banking ecosystem. Following the successful delivery of More ❯

Senior Go Developer 6 Months Contract London Hybrid or Fully Remote An exciting opportunity for a highly skilled Senior Go Developer to join a leading technology business on a contract basis. This organisation is recognised for its engineering excellence and is seeking a Senior Go Developer to help scale distributed systems and deliver high … performance solutions. In this role, the Senior Go Developer will design, develop, and implement data-intensive applications across the full engineering lifecycle. You’ll architect and deliver microservices-based systems using Go (Golang), AWS, Kubernetes, Docker, and Kafka, working closely with cross-functional teams to build scalable, reliable, and resilient platforms. You’ll also play a key role … in optimising system performance, improving reliability, and ensuring scalability, while contributing to code reviews, design discussions, and knowledge sharing across the engineering function. Senior Go Developer – Key Requirements: Strong commercial experience in backend development Advanced skills in Go (Golang), with proven expertise in AWS, Kubernetes, and Docker End-to-end software engineering experience, including system design and architecture More ❯

Senior Software Developer (C#, .NET ) Newport - Hybrid £36,000 - £47,000 VIQU are working in partnership with a leading organisation who are seeking a Senior Software Developer with a strong focus on integration and backend development. The successful Senior Software Developer will be experienced with a background in C# and .NET technologies who are … capable at building configurable systems and reusable code libraries. Key Responsibilities of the Senior Software Developer: Design, develop and maintain reusable C# component libraries used for integrating third-party applications with internal systems Build and configure instances of a Windows service engine to support message processing and data repository population Develop, test, deploy and maintain backend integration services … remotely with some in-office time expected during onboarding and collaboration periods Maintain awareness of technical developments, applying best practices in software development and integration Key Requirements of the Senior Software Developer: Proven expertise in backend software development using C#, .NET, and object-oriented programming Strong SQL knowledge and the ability to write and maintain complex queries Familiarity More ❯

Senior C++ Developer (Python, SQL, Linux, Trading, FinTech, Financial Technology) ***This is a hybrid role, 2 days remote and 3 days in the office*** Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background, REC Solutions Limited does not discriminate in regards to age, gender, national origin, religion or any … other basis. An excellent opportunity has arisen for a Senior C++ Developerto join a friendly team my client are a well-established exchange (FinTech, Financial Technology) based in the City. My client are working with some cutting edge technologies, this is an excellent opportunity to join an innovative, forward thinking company within the FinTech/Financial services space. The … and diverse business backgrounds. If these sentiments align with your thinking, then my client could be the ideal place for you to develop your career. Benefits (not exhaustive list): Senior C++ Developer(Python, SQL, Linux, Trading, FinTech, Financial Technology) Competitive salary 25 days annual leave - not including bank holiday Private medical insurance Flexible working hours Company pension Group More ❯

Senior Developer SPA Web This is an amazing opportunity for an experienced Senior Developer to be responsible for designing, developing, and maintaining software applications, with a focus on high-quality, scalable code. This role demonstrates deep technical understanding and strong problem-solving and works both independently and in collaboration with other developers and stakeholders. The position … of Senior Developer takes ownership of key project components, and often acts as a technical leader within the development teams. Experience needed for this job Successful experience of working within Development teams Experienced in Development methodologies covering both Agile and traditional Waterfall Proven record of working in an ambiguous and fast-paced environment Working knowledge of travel industry More ❯

Senior Full Stack Software Developer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native Why? start-up financial services, revolutionising the industry Location : Hybrid - 1/2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly … financial products to consumers. The organisation is committed to empowering individuals by enhancing their understanding and control of personal finance through clarity, intelligence, and technology. Senior Full Stack Software Developer - Responsibilities Design, develop, and maintain advanced applications. Collaborate with cross-functional teams to define, design, and ship new features. Guiding and develop the skills of junior engineers. Optimize … quality and speed. Troubleshoot and debug to optimize performance. Provide code reviews, feedback, and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols Senior Full Stack Software Developer - Experience Required Proven experience as a Senior Full Stack Developer or similar role with a strong portfolio of projects. Expertise in Node.js More ❯

Salesforce Senior Developer | Apex, LWC & REST APIs | Global Data Business The Role You’ll join a growing Enterprise Applications team as a Salesforce Senior Developer, helping shape, improve and expand a highly integrated Salesforce CRM that sits at the core of this global business. Working alongside Sales, Marketing, and Product teams, you’ll design, develop, and … Knowledge of Salesforce security and sharing settings Familiarity with source-based deployment strategies (Git, CLI, or DevOps Centre) Experience with unit and UI testing in Salesforce environments Salesforce Platform Developer I certification (Developer II is a plus) What You’ll Work With: Apex, LWC, Visualforce, SOQL REST/SOAP APIs and data integrations Git or similar version control … days and flexible Fridays Birthday day off Employee assistance program Travel loan scheme Charity days Free daily breakfast and year-round social events Hybrid working (London-based team) Salesforce Senior Developer | Apex, LWC & REST APIs | Global Data Business More ❯

IBM Mainframe Cobol Senior Developer - East Midlands to £54K + bonus (c10%) + pension + other great corporate benefits inc relocation package Excellent opportunity to join one of the UK's most successful FTSE100 companies as an IBM Cobol Senior Developer. You will need to have a minimum of 8 years recent experience as an IBM Cobol … Senior Developer and the ability to lead projects and more junior members of the team. A financial or Banking background would be advantageous. Key skills: Cobol/CICS Cobol Adabas (training will be given) Natural (training will be given) DB2 SQL JCL Desirable: zOS connect WebSphere MQ XML JSON IBM Mainframe Cobol Senior Developer - East Midlands More ❯

Senior Developer, Team Lead Developer - Hybrid -commutable from Shropshire, Telford, Birmingham, Walsall, Wolverhampton, Cannock, Wrexham. We arelooking for a talented Senior orLead Developer ready to take the next step in their career. This is a hands on technical role with leadership responsibility, perfect for someone who enjoys guiding others while remaining deeply involved in creating … high quality, user focused digital products. As the senior figure within the development team, you will lead by example, mentor junior developers, and drive best practices in coding, architecture, and performance. You will play a major role in shaping the departments technical direction, with the longer term goal of stepping into a Development Manager position. Your role will involve … and balance priorities effectively. Collaboratingclosely with cross-functional teams to deliver cohesive digital experiences. Keeping up to date with emerging tools, frameworks, and best practices. About You Experienced web developer with 5+ years of hands-on experience. Solid understanding of front-end and back-end development. Skilled in building bespoke WordPress themes and plugins. Strong knowledge of object-oriented More ❯

Senior Developer - Global Client- Glasgow IBAM Consulting is seeking an experienced Senior Developer to join a global client to be based from Glasgow. The successful candidate will work closely with digital products and client services to support the development of new and existing solutions across a range of platforms and technologies. The successful candidate will have More ❯

Senior Developer, Team Lead Developer - Hybrid -commutable from Shropshire, Telford, Birmingham, Walsall, Wolverhampton, Cannock, Wrexham. We arelooking for a talented Senior orLead Developer ready to take the next step in their career. This is a hands on technical role with leadership responsibility, perfect for someone who enjoys guiding others while remaining deeply involved in creating More ❯

Senior Dynamics Developer Location: Newport (Hybrid) Salary: Up to £55k The Opportunity Yolk Recruitment are excited to be working with an innovation-driven civil service organisation as they journey through an incredible digital transformation whilst prioritising forward thinking and excellent digital practices. Alongside this, they pride themselves on being a Stonewall Diversity Champion, which means they are part … of Britain's leading best-practice employers' forum for sexual orientation and gender identity equality, diversity and inclusion. We are now looking to help them find a talented Senior Dynamics Developer (eligible for SC clearance) to get involved in some awesome tech projects. This is an exciting and rewarding opportunity working with cutting-edge cloud technologies, modern delivery … improve at their own pace. They also put their staff at the forefront of all decisions whilst recognising them the most valuable part of the organisation. Are you a Senior Dynamics Developer who has: Has been a key player in delivering technical solutions as part of large projects Experienced with modern delivery models such as Scrum and other More ❯

Senior Developer, Full-time, permanent Bring your expertise to a university thats shaping the future of technology and education. At Edinburgh Napier University , technology is at the heart of how we transform learning, research, and innovation. Our Information Services team delivers the digital foundation that enables our community to thrive from pioneering teaching technologies to powerful research infrastructure. … Were now looking for a Senior Developer to help us take the next step in our digital journey shaping data integration solutions that connect our systems, empower our people, and strengthen our capabilities across the University. The Role As part of our Information Systems Development team, youll play a pivotal role in designing and implementing innovative data integration … chance to influence how data flows across our entire digital ecosystem, contributing directly to strategic initiatives in learning, research, and internationalisation. Who Were Looking For Youll be a skilled developer or software engineer with a passion for data integration, architecture, and cloud technologies. Youll bring hands-on experience with tools such as Microsoft Azure , MS Fabric , Data Factory , Logic More ❯

Senior Developer - Salesforce Marketing CloudThe Open UniversityLocation: Hybrid (Milton Keynes campus attendance approx. 1 day per week)Salary: £47,389 - £56,535 plus a market supplement of £5,576 (until July 2027)Contract: Permanent, Full-time (37 hours per week)Role Overview:This position focuses on leading the development and delivery of high-quality solutions within Salesforce Marketing … Cloud. The Senior Developer will take responsibility for designing, implementing and improving platform capabilities, supporting marketing automation, personalisation and data-driven engagement activities across the institution.The role also contributes to development standards, technical leadership and continuous improvement across the wider Digital Services team.Key Responsibilities:- Design, build and maintain scalable solutions within Salesforce Marketing Cloud.- Develop and enhance platform More ❯

Senior Developer - Salesforce Marketing Cloud The Open University Location: Hybrid (Milton Keynes campus attendance approx. 1 day per week) Salary: 47,389 - 56,535 plus a market supplement of 5,576 (until July 2027) Contract: Permanent, Full-time (37 hours per week) Role Overview: This position focuses on leading the development and delivery of high-quality solutions within … Salesforce Marketing Cloud. The Senior Developer will take responsibility for designing, implementing and improving platform capabilities, supporting marketing automation, personalisation and data-driven engagement activities across the institution. The role also contributes to development standards, technical leadership and continuous improvement across the wider Digital Services team. Key Responsibilities: - Design, build and maintain scalable solutions within Salesforce Marketing Cloud. More ❯

Senior Developer, Team Lead Developer - Hybrid - commutable from Shropshire, Telford, Birmingham, Walsall, Wolverhampton, Cannock, Wrexham. We are looking for a talented Senior or Lead Developer ready to take the next step in their career. This is a hands on technical role with leadership responsibility, perfect for someone who enjoys guiding others while remaining deeply involved … in creating high quality, user focused digital products. As the senior figure within the development team, you will lead by example, mentor junior developers, and drive best practices in coding, architecture, and performance. You will play a major role in shaping the department’s technical direction, with the longer term goal of stepping into a Development Manager position. Your … balance priorities effectively. Collaborating closely with cross-functional teams to deliver cohesive digital experiences. Keeping up to date with emerging tools, frameworks, and best practices. About You Experienced web developer with 5+ years of hands-on experience. Solid understanding of front-end and back-end development. Skilled in building bespoke WordPress themes and plugins. Strong knowledge of object-oriented More ❯

Job Title: Senior Backend Developer Location: Liverpool City Centre on a hybrid working basis Salary: £65,000 - £75,000 depending on experience We're looking for a passionate Senior Backend Developer who thrives on solving complex problems and building systems that scale. You'll be at the forefront of creating next-generation backend services that genuinely … Stack: Backend: C#, .NET 8.0, ASP.NET Core Database: SQL Server, Entity Framework Infrastructure: Docker, Azure Tools: Unit and Integration Testing, Git, Agile methodologies What We're Looking For: Proven senior-level experience building microservices running on Docker. Expertise in C#, .NET 8.0, and ASP.NET Core. Strong experience with SQL Server and Entity Framework. Hands-on experience with Unit and … subject to DBS and Financial checks, any offer made will be conditional until checks are completed to a satisfactory standard. Candidates with experience or relevant job titles of; Software Developer, Senior System Developer, Software Engineer, Systems Developer, Software Tester, Backend Services, API's, API, Application Programming Interface may also be considered for this role. More ❯

Senior Software Developer PHP/Laravel Maidstone, Kent Salary: Up to £60,000 Office-based (with some flexibility) Are you a Senior Developer confident in PHP and Laravel? Are you confident with Laravel and ready to take ownership of key projects? Looking to join a company that invests in quality, not chaos? We are recruiting for … a long-established and successful company based in Maidstone, Kent, looking to expand their internal development team. They are looking for a Senior Software Developer with strong PHP Laravel experience to take ownership of both greenfield and ongoing projects, from system design through to implementation and delivery. You will be a technical leader in the team, helping to More ❯