253 lead developer jobs found

Position Overview:    Our Digital Engineering team at ITG are responsible for building world class, enterprise grade digital applications for high profile brands. We pride ourselves in working with mature Agile methodologies and make use of the latest versions of technology. Our teams are structured in such a way that gives every employee the opportunity to learn new skills, work on various projects over time and see the results of your efforts in the online consumer marketplace. Joining the Digital Engineering function would see you work as part of a cross-functional, product style team, generally consisting of a Business Analyst, Scrum Master / Project Manager, Solution Architect, Lead Developers (FE and BE), Developers, and Testers (Manual and Automated).    You live and breathe development.   Java is your bag and you're a real perfectionist. You'll have a background in hands-on software delivery, will be passionate about...

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...

We are urgently looking for AI Developer / Lead – Azure Role: AI Developer / Lead – Azure Location: Leeds UK, 2 days per week in office Job Type: Contract Inside IR35, Rate based on profile. Experience Level: 7+ years Understanding of core AI concepts including LLMs, prompt engineering, automation, decision support and responsible AI. Experience assessing data quality, readiness, lineage and feasibility for AI‑enabled solutions. Ability to design end‑to‑end AI workflows including prompts, orchestration, guardrails and human‑in‑the‑loop models. Skilled in user research, facilitation, co‑design and requirements‑gathering workshops. Working knowledge of Copilot and Power Platform as well as Service Design/UX. Working knowledge of Microsoft Azure AI Fundamentals Excellent stakeholder management and communication skills, including senior‑level engagement. Commercial awareness and a value‑driven mindset. Familiarity with responsible AI and risk‑aware...

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...

Contract - Continuous Improvement Lead / SharePoint Developer Job description Job title : Continuous Improvement Lead / SharePoint Developer (contract) Duration : 3-6 months TBC Target Start Date : ASAP Location : Hybrid - Any UK location near Deloitte offices (Cardiff, London, Leeds, Manchester). Travel to the office once a fortnight 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. About the role: We are seeking an experienced Developer to join our Service Management and CSI team within...

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...

Lead .NET Developer   3-Month Contract | £525 per day | Inside IR35 | Central Bristol (1–2 days per week onsite)   We are seeking an experienced Lead .NET Developer to join a growing engineering team delivering ongoing development and modernisation of a complex monolithic platform. This is a hands-on leadership role suited to a senior developer who thrives in stabilising legacy systems while driving forward cloud-native transformation. The team is currently migrating workloads to AWS and transitioning the frontend from AngularJS to StencilJS web components. You will play a key role in enhancing, modernising, and future-proofing the existing platform while supporting the development of new distributed services.   Key Responsibilities Deliver high-quality backend development using C#, .NET Framework, and .NET Core. Lead efforts to decompose and migrate legacy monolithic components into AWS-based services....

We are urgently looking for AI Developer / Lead – Azure Role: AI Developer / Lead – Azure Location: Leeds UK, 2 days per week in office Job Type: Contract Inside IR35, Rate based on profile. Experience Level: 7+ years Understanding of core AI concepts including LLMs, prompt engineering, automation, decision support and responsible AI. Experience assessing data quality, readiness, lineage and feasibility for AI‑enabled solutions. Ability to design end‑to‑end AI workflows including prompts, orchestration, guardrails and human‑in‑the‑loop models. Skilled in user research, facilitation, co‑design and requirements‑gathering workshops. Working knowledge of Copilot and Power Platform as well as Service Design/UX. Working knowledge of Microsoft Azure AI Fundamentals Excellent stakeholder management and communication skills, including senior‑level engagement. Commercial awareness and a value‑driven...

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...

We are urgently looking for AI Developer / Lead – Azure Role: AI Developer / Lead – Azure Location: Leeds UK, 2 days per week in office Job Type: Contract Inside IR35, Rate based on profile. Experience Level: 7+ years Understanding of core AI concepts including LLMs, prompt engineering, automation, decision support and responsible AI. Experience assessing data quality, readiness, lineage and feasibility for AI‑enabled solutions. Ability to design end‑to‑end AI workflows including prompts, orchestration, guardrails and human‑in‑the‑loop models. Skilled in user research, facilitation, co‑design and requirements‑gathering workshops. Working knowledge of Copilot and Power Platform as well as Service Design/UX. Working knowledge of Microsoft Azure AI Fundamentals Excellent stakeholder management and communication skills, including senior‑level engagement. Commercial awareness and a value‑driven...

Waracle is looking for a Lead or Senior Backend Developer for an exciting new role joining our world-class digital technology consultancy and home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation. We work with ambitious clients to help them solve their biggest business and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations. This role is open to permanent or contract (Inside IR35) candidates and is a hybrid working role based from any Waracle office (Glasgow, Edinburgh, Dundee or London). Are you a technical expert who enjoys solving complex puzzles and helping others grow? We are looking for a Lead or Senior Developer who values collaboration and technical excellence in equal measure. Whether you are already...

Waracle is looking for a Lead or Senior Backend Developer for an exciting new role joining our world-class digital technology consultancy and home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation. We work with ambitious clients to help them solve their biggest business and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations. This role is open to permanent or contract (Inside IR35) candidates and is a hybrid working role based from any Waracle office (Glasgow, Edinburgh, Dundee or London). Are you a technical expert who enjoys solving complex puzzles and helping others grow? We are looking for a Lead or Senior Developer who values collaboration and technical excellence in equal measure. Whether you are already...

Waracle is looking for a Lead or Senior Backend Developer for an exciting new role joining our world-class digital technology consultancy and home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation. We work with ambitious clients to help them solve their biggest business and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations. This role is open to permanent or contract (Inside IR35) candidates and is a hybrid working role based from any Waracle office (Glasgow, Edinburgh, Dundee or London). Are you a technical expert who enjoys solving complex puzzles and helping others grow? We are looking for a Lead or Senior Developer who values collaboration and technical excellence in equal measure. Whether you are already...

Waracle is looking for a Lead or Senior Backend Developer for an exciting new role joining our world-class digital technology consultancy and home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation. We work with ambitious clients to help them solve their biggest business and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations. This role is open to permanent or contract (Inside IR35) candidates and is a hybrid working role based from any Waracle office (Glasgow, Edinburgh, Dundee or London). Are you a technical expert who enjoys solving complex puzzles and helping others grow? We are looking for a Lead or Senior Developer who values collaboration and technical excellence in equal measure. Whether you are already...

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...

The Digital Engineering team, part of our Integrate pillar, are responsible for building world class, enterprise grade digital applications for high profile brands. We pride ourselves in working with mature Agile methodologies and make use of the latest versions of technology. Our teams are structured in such a way that gives every employee the opportunity to learn new skills, work on various projects over time and see the results of your efforts in the online consumer marketplace. Joining the Digital Engineering function would see you work as part of a cross-functional, product style team, generally consisting of a Business Analyst, Scrum Master / Project Manager, Solution Architect, Lead Developers (FE and BE), Developers, and Testers (Manual and Automated). We are looking for a strong and experienced Software Tester to join our Development Team. The successful candidate will provide strong core skills as outlined below to build the team's capability for new and existing...

The Digital Engineering team, part of our Integrate pillar, are responsible for building world class, enterprise grade digital applications for high profile brands. We pride ourselves in working with mature Agile methodologies and make use of the latest versions of technology. Our teams are structured in such a way that gives every employee the opportunity to learn new skills, work on various projects over time and see the results of your efforts in the online consumer marketplace. Joining the Digital Engineering function would see you work as part of a cross-functional, product style team, generally consisting of a Business Analyst, Scrum Master / Project Manager, Solution Architect, Lead Developers (FE and BE), Developers, and Testers (Manual and Automated). As Product Owner, you'll take ownership of the platform backlog and development roadmap, balancing short‑term delivery with long‑term strategic value. You'll act as the subject matter expert for the platform,...

About the Role   Join the Justice Redact team at the Ministry of Justice to design and build both the backend and frontend of an AI-powered Personally Identifiable Information (PII) redaction Minimum Viable Product (MVP). You'll work alongside Full-Stack Developers, Data Scientists, a User Researcher, Product Lead, Delivery Manager, Subject Matter Experts and a Senior Interaction Designer.   The team's Data Scientists have already developed an early prototype and you'll work closely with them to ensure everything runs smoothly, securely and reliably from front-end to back-end. This project addresses a major challenge: meeting rising demand for data through Subject Access Requests (SARs), Freedom of Information (FOI) requests and other information-heavy use cases. Current workflows are manual and fragmented, making it hard to meet strict legal deadlines and driving up costs. Your role will be pivotal in modernising these processes, improving efficiency and...

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...