38 lead full stack developer jobs found

Potential contract extension or permanent CTO role (Outside IR35) Reports to: Founder, OneCare Group Ltd ABOUT ONECARE OneCare Healthcare Mall is a social enterprise creating the UK's first network of integrated community health hubs. Our vision is simple: a one-stop shop where patients can access blood tests, scans, physiotherapy, pharmacy, and same-day results interpretation—all in one visit. Job Overview We are seeking an exceptional Lead Full Stack Developer to design, build, and launch the Minimum Viable Product (MVP) of OneCareOS. You will be our first technical hire, working directly with the Founder to translate a bold vision into a working platform that will power our first 3,000 sq ft health hub. Desirable Experience working within healthcare or NHS systems Familiarity with FHIR / HL7 or healthcare data standards Experience integrating third-party systems or public sector APIs Startup or MVP build experience A recognised...

Potential contract extension or permanent CTO role (Outside IR35) Reports to: Founder, OneCare Group Ltd ABOUT ONECARE OneCare Healthcare Mall is a social enterprise creating the UK's first network of integrated community health hubs. Our vision is simple: a one-stop shop where patients can access blood tests, scans, physiotherapy, pharmacy, and same-day results interpretation—all in one visit. Job Overview We are seeking an exceptional Lead Full Stack Developer to design, build, and launch the Minimum Viable Product (MVP) of OneCareOS. You will be our first technical hire, working directly with the Founder to translate a bold vision into a working platform that will power our first 3,000 sq ft health hub. Desirable Experience working within healthcare or NHS systems Familiarity with FHIR / HL7 or healthcare data standards Experience integrating third-party systems or public sector APIs Startup or MVP build experience A recognised...

Potential contract extension or permanent CTO role (Outside IR35) Reports to: Founder, OneCare Group Ltd ABOUT ONECARE OneCare Healthcare Mall is a social enterprise creating the UK's first network of integrated community health hubs. Our vision is simple: a one-stop shop where patients can access blood tests, scans, physiotherapy, pharmacy, and same-day results interpretation—all in one visit. Job Overview We are seeking an exceptional Lead Full Stack Developer to design, build, and launch the Minimum Viable Product (MVP) of OneCareOS. You will be our first technical hire, working directly with the Founder to translate a bold vision into a working platform that will power our first 3,000 sq ft health hub. Desirable Experience working within healthcare or NHS systems Familiarity with FHIR / HL7 or healthcare data standards Experience integrating third-party systems or public sector APIs Startup or MVP build experience A recognised qualification in Computer Science...

Potential contract extension or permanent CTO role (Outside IR35) Reports to: Founder, OneCare Group Ltd ABOUT ONECARE OneCare Healthcare Mall is a social enterprise creating the UK's first network of integrated community health hubs. Our vision is simple: a one-stop shop where patients can access blood tests, scans, physiotherapy, pharmacy, and same-day results interpretation—all in one visit. Job Overview We are seeking an exceptional Lead Full Stack Developer to design, build, and launch the Minimum Viable Product (MVP) of OneCareOS. You will be our first technical hire, working directly with the Founder to translate a bold vision into a working platform that will power our first 3,000 sq ft health hub. Desirable Experience working within healthcare or NHS systems Familiarity with FHIR / HL7 or healthcare data standards Experience integrating third-party systems or public sector APIs Startup or MVP build experience A recognised...

About Synechron: Synechron is a leading digital transformation consulting firm dedicated to delivering innovative technology solutions within banking, financial services, and insurance. We thrive on engineering excellence, collaboration, and a passion for cutting-edge technologies. We are seeking a highly experienced Lead Full Stack Java Developer (10+ years) with strong expertise in the latest Core Java versions to lead and drive end-to-end development activities. The role requires a hands-on technical leader capable of guiding a development team, providing architectural and coding solutions, and ensuring successful delivery of high-quality applications Key Responsibilities Lead and manage a team of full stack developers , providing technical direction, guidance, and mentorship. Drive the design, development, and implementation of scalable, high-performance applications using modern Java. Take ownership of development activities, ensuring alignment...

This role will support delivery within the Health Assessment Efficiencies (HAE) Workstream, which focuses on delivering measurable efficiency improvements in health assessments through service transformation, digital innovation, and process optimisation within a 12 -18-month timeframe.   The work includes mobilising and delivering a prioritised set of initiatives designed to reduce administrative burden and improve clinical/operational processes. This includes initiatives such as Write Up Assistant, Transcription & summarisation, Case summarisation, NHS data share, and audit/process optimisation (for example: "group/remove audit attributes, " "automate/streamline amendments, " and WCA intelligent audit). Delivery will be scaled based on evidence of outcomes and governance decisions.   The work will be delivered via a multidisciplinary team using agile ways of working (clear prioritisation, sprint planning, reviews, and continuous improvement) with...

About Synechron: Synechron is a leading digital transformation consulting firm dedicated to delivering innovative technology solutions within banking, financial services, and insurance. We thrive on engineering excellence, collaboration, and a passion for cutting-edge technologies. We are seeking a highly experienced Lead Full Stack Java Developer (10+ years) with strong expertise in the latest Core Java versions to lead and drive end-to-end development activities. The role requires a hands-on technical leader capable of guiding a development team, providing architectural and coding solutions, and ensuring successful delivery of high-quality applications Key Responsibilities Lead and manage a team of full stack developers , providing technical direction, guidance, and mentorship. Drive the design, development, and implementation of scalable, high-performance applications using modern Java. Take ownership of development activities, ensuring alignment with...

About Synechron: Synechron is a leading digital transformation consulting firm dedicated to delivering innovative technology solutions within banking, financial services, and insurance. We thrive on engineering excellence, collaboration, and a passion for cutting-edge technologies. Job Location: London (Hybrid - 3 days in the office) About the role: We are seeking a highly experienced (10+ years ) Java Full-Stack Lead Developer with strong system architecture expertise to lead the design and delivery of scalable, distributed systems. This is a hands-on leadership role where you will define architecture, guide a globally distributed engineering team, and ensure high standards in both Back End and Front End development. Key Responsibilities Lead the architecture design of complex, scalable and high-availability systems Make critical decisions on system design, tech stack, and trade-offs Drive end-to-end development across Back End and Front End...

Who Are We? Xcelirate develops technologically-advanced platforms which are accessed by thousands of users every minute! We are proud to offer a workplace where the sharpest developers come together to strategically plan and swiftly execute practices which see us maintain our existing market dominance and attain global expansion. We owe our success to our customers who have seen us grow across a decade, and our talented team who have made that growth possible!   What are we looking for? You're a principal-level engineer first. The tech lead title is almost incidental. It just means you're the person the team orbits around, because that's what happens naturally when you're the one who understands the system most deeply and keeps the clearest head under pressure. The 10% that's people management fits inside your engineering work, not alongside it. You hire, you steer, you unblock, but you do it the way a strong engineer does everything: with good...

Job Title: Full Stack Developer (Java, Spring, React) - contract Location: London Hybrid. Travel to the London office on 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   The Role We are looking for an experienced Full Stack Developers to work in the Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This position requires an...

Company: Barghest Research Group Limited Salary: £42,000 – £64,000 per year (or equivalent contractor rate, depending on experience) Job Type: Remote Contractor Location: Remote (UK/EU preferred) About us Barghest is a civil society non-profit security research collective building open-source software focused on improving digital security, resilience, and privacy. Our work centres on developing decentralised, self-hostable tooling that enables secure communication, data analysis, and resilient workflows in challenging environments. We operate at the intersection of technology and civil society, contributing to the broader open-source ecosystem. The role We are looking for a backend or full stack Go Software Developer to join a small, highly technical team working on open-source infrastructure and tooling. You will contribute to the design and development of backend systems, parsers, and APIs that support distributed and...

About Us 3173 is a privately owned UK firm of pensions experts with clients throughout the UK, serviced from offices in London, Belfast, Glasgow, Manchester, Birmingham, Bristol and Leeds. The 3173 Group of companies includes Dalriada Trustees Limited (Dalriada) one of the UK’s largest professional pension scheme trustee companies. Spence & Partners provides full pension actuarial, consulting, investment consulting and administration services that provide simply smarter solutions for trustees, employers and members and Mantle: reimagines the traditional models of defined benefit pensions administration and actuarial valuation software. About You We are seeking an experienced Microsoft Dynamics 365 Developer to join the Technology team on an initial 6-month contract based in Belfast. This role sits within the CTO function and will focus exclusively on the delivery, enhancement, and support of an improved Microsoft Dynamics 365 CRM...

About School Prom Car Hire School Prom Car Hire is a premium luxury transport and travel platform operating across the UK and internationally. We specialise in limousine hire, yacht charters, private aviation, chauffeur services, airport transfers, and high-end event transport. Our growth strategy is built on technical excellence, search dominance, automation, and scalable digital infrastructure. We are hiring a Senior Full-Stack Web Developer who understands how engineering decisions directly impact SEO performance, scalability, and long-term growth. The Role This position requires a true full-stack engineer — not just a WordPress developer. You will take ownership of our entire digital ecosystem, ensuring it is technically sound, search-optimised, secure, automated, and built for algorithm resilience. What You’ll Be Responsible For Full-Stack Development Front-end and back-end development Building scalable web applications...

About IconicShift IconicShift AI is building a platform that turns founder intent into usable strategic outputs — clear strategies, investor-grade pitches, and practical roadmaps. It is based on the experience of Mike Harris, founding CEO of First Direct (the world’s first telephone bank), founding CEO of Egg (the world’s first internet bank), and CEO of Mercury Communications (that created some of the UK’s first mobile and cable networks). Most founders don’t fail because they lack ideas or options. They fail because their thinking drifts and they can’t afford the experienced support they need. Their story changes, priorities multiply, and the business loses its single direction. Most AI approaches just help them fail faster by accelerating rushed decisions. IconicShift works by creating a single source of strategic truth, where every decision is tracked and held to account. It refuses to move forward without explicit acceptance of core strategic bets, ensuring...

Senior Full Stack Developer - Outside IR35 - Contract - Current SC Essential   We are looking for a senior full-stack developer to join our team, working collaboratively in a fast-paced environment with some ambiguity. This is a senior dev role with a focus on supporting more junior members of the team and sharing that with the existing tech lead. The product is a note-taking and summarisation tool for use in local government, for which the remaining technical work mainly comprises infrastructure, evals, technical improvements, and UCD-driven product features.   Must have:   Experience mentoring junior developers Previously given responsibility for a chunk of delivery Comfortable working in Python and Typescript + React Full-stack developer   Nice to have: previous experience with AWS, Terraform, any UK government projects Slightly nice to have but lower priority: LLM/AI experience and Next.JS  ...

Senior Full Stack Developer - Outside IR35 - Contract - Current SC Essential   We are looking for a senior full-stack developer to join our team, working collaboratively in a fast-paced environment with some ambiguity. This is a senior dev role with a focus on supporting more junior members of the team and sharing that with the existing tech lead. The product is a note-taking and summarisation tool for use in local government, for which the remaining technical work mainly comprises infrastructure, evals, technical improvements, and UCD-driven product features.   Must have:   Experience mentoring junior developers Previously given responsibility for a chunk of delivery Comfortable working in Python and Typescript + React Full-stack developer   Nice to have: previous experience with AWS, Terraform, any UK government projects Slightly nice to have but lower priority: LLM/AI experience and Next.JS  ...

Company Description At Data Intellect , we thrive on solving complex data challenges in high-stakes environments. We’re a team of engineers, problem-solvers, and collaborators who believe in pushing boundaries, not egos. If you're a seasoned C++ Developer ready to lead, innovate, and make an impact, we want to hear from you. Job Description As a C++ Developer at [DI], you will focus on developing Front Office Trading software, primarily working within the market data development teams. You will gain exposure to the full software stack, using modern development tools and concepts to deliver high quality, best practice software solutions. This will involve working on the end-to-end development of low latency software components written in C++. Project responsibilities will range from design, architecture and development of greenfield projects to maintenance, latency tuning and enhancements. Qualifications 4+ years’ experience of C++ development...

Who Are We? Xcelirate develops technologically-advanced platforms which are accessed by thousands of users every minute! We are proud to offer a workplace where the sharpest developers come together to strategically plan and swiftly execute practices which see us maintain our existing market dominance and attain global expansion. We owe our success to our customers who have seen us grow across a decade, and our talented team who have made that growth possible!   What are we looking for? You're a principal-level engineer first. The tech lead title is almost incidental. It just means you're the person the team orbits around, because that's what happens naturally when you're the one who understands the system most deeply and keeps the clearest head under pressure. The 10% that's people management fits inside your engineering work, not alongside it. You hire, you steer, you unblock, but you do it the way a strong engineer does everything: with good...

About IconicShift IconicShift AI is building a platform that turns founder intent into usable strategic outputs — clear strategies, investor-grade pitches, and practical roadmaps. It is based on the experience of Mike Harris, founding CEO of First Direct (the world’s first telephone bank), founding CEO of Egg (the world’s first internet bank), and CEO of Mercury Communications (that created some of the UK’s first mobile and cable networks). Most founders don’t fail because they lack ideas or options. They fail because their thinking drifts and they can’t afford the experienced support they need. Their story changes, priorities multiply, and the business loses its single direction. Most AI approaches just help them fail faster by accelerating rushed decisions. IconicShift works by creating a single source of strategic truth, where every decision is tracked and held to account. It refuses to move forward without explicit...

About Us 3173 is a privately owned UK firm of pensions experts with clients throughout the UK, serviced from offices in London, Belfast, Glasgow, Manchester, Birmingham, Bristol and Leeds.   The 3173 Group of companies includes Dalriada Trustees Limited (Dalriada) one of the UK’s largest professional pension scheme trustee companies. Spence & Partners provides full pension actuarial, consulting, investment consulting and administration services that provide simply smarter solutions for trustees, employers and members and Mantle: reimagines the traditional models of defined benefit pensions administration and actuarial valuation software. About You We are seeking an experienced Microsoft Dynamics 365 Developer to join the Technology team on an initial 6-month contract based in Belfast. This role sits within the CTO function and will focus exclusively on the delivery, enhancement, and support of an improved Microsoft...