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8 full stack developer jobs found

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United Kingdom full stack developer £500 - £600
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Duration not stated  (7) 6 Months or more  (1)
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South Yorkshire  (5) Greater London  (3)
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Contract Spy
Mar 16, 2026
6 Months or more
AI-First Full Stack Developer at ISTARI, London, 6 Months initial, £500–700 per day
£500 - £700 per day
Contract Spy London Area, United Kingdom
About Us: ISTARI is a strategic cybersecurity advisory company with a bold vision; to curate the defining cybersecurity ecosystem of our time, uniting enterprise, academia, government, and innovators to build collective resilience. At the heart of this mission, ISTARI helps clients achieve lasting organisational cyber resilience by convening and applying world-class talent, expertise, and innovation through a uniquely powerful network, with ISTARI as the central orchestrator. ─────────────────────────────────────────────────────── The Opportunity: We are seeking an entrepreneurial, AI-native developer to join ISTARI as a contract developer and help transform how we deliver our consulting work. You will be the founding technical resource responsible for building a suite of AI-powered internal tools that dramatically improve productivity across our Advisory practice.   This is not a traditional development role. You will be expected to leverage AI coding...
Contract Spy
Mar 09, 2026
Duration not stated
Fullstack Product Engineer at IconicShift, London, £Contract Rate
Contract Spy London, UK
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...
Contract Spy
Mar 27, 2026
Duration not stated
Full Stack Python & React at Test Yantra Software Solutions Private Limited, Sheffield, £500 per day
£500 per day
Contract Spy Sheffield, UK
Role Overview We are seeking a skilled Full-Stack Software Engineer with exclusive expertise in React for frontend development and Python for backend development. The role focuses on building scalable, secure, and high performance web applications while working closely with product, design, and platform teams. Key Responsibilities Frontend (React) Design and develop responsive, modular, and accessible user interfaces using React Build reusable React components, shared libraries, and frontend design systems Manage complex client side state and optimize frontend performance Integrate frontend applications with REST APIs Ensure high standards of UX, accessibility, and cross browser compatibility Backend (Python) Design and implement scalable backend services using Python Develop RESTful APIs using Python frameworks such as Django / FastAPI / Flask Handle authentication, authorization, and secure data...
Contract Spy
Mar 23, 2026
Duration not stated
Full Stack Python & React at Test Yantra Software Solutions Private Limited, Sheffield, £500 per day
£500 per day
Contract Spy Sheffield, UK
Role Overview We are seeking a skilled Full-Stack Software Engineer with exclusive expertise in React for frontend development and Python for backend development. The role focuses on building scalable, secure, and high performance web applications while working closely with product, design, and platform teams. Key Responsibilities Frontend (React) Design and develop responsive, modular, and accessible user interfaces using React Build reusable React components, shared libraries, and frontend design systems Manage complex client side state and optimize frontend performance Integrate frontend applications with REST APIs Ensure high standards of UX, accessibility, and cross browser compatibility Backend (Python) Design and implement scalable backend services using Python Develop RESTful APIs using Python frameworks such as Django / FastAPI / Flask Handle authentication, authorization, and secure data...
Contract Spy
Mar 20, 2026
Duration not stated
Full Stack Python & React at Test Yantra Software Solutions Private Limited, Sheffield, £500 per day
£500 per day
Contract Spy Sheffield, UK
Role Overview We are seeking a skilled Full-Stack Software Engineer with exclusive expertise in React for frontend development and Python for backend development. The role focuses on building scalable, secure, and high performance web applications while working closely with product, design, and platform teams. Key Responsibilities Frontend (React) Design and develop responsive, modular, and accessible user interfaces using React Build reusable React components, shared libraries, and frontend design systems Manage complex client side state and optimize frontend performance Integrate frontend applications with REST APIs Ensure high standards of UX, accessibility, and cross browser compatibility Backend (Python) Design and implement scalable backend services using Python Develop RESTful APIs using Python frameworks such as Django / FastAPI / Flask Handle authentication, authorization, and secure data...
Contract Spy
Mar 16, 2026
Duration not stated
AI Business Analyst at Emagine Consulting, London, £450-£550 per day
£450 - £550 per day
Contract Spy London, UK
We are seeking a Business Analyst to focus on AI solutions. In this role, you will identify opportunities to enhance client journeys, improve financial outcomes, automate processes, and integrate AI capabilities within a greenfield project across key financial services functions. AI Business Analyst London x3 Days on-site £450-550pd Inside emagine is a high-end professional services consultancy and solutions firm Specialising in providing business and technology services to the financial services sector, we power progress, solve challenges and deliver real results through tailored high-end consulting services and solutions. We have created a culture of openness and integrity by building genuine and strong relationships and partnerships, enabling us to be uncompromising in our dedication in delivering the optimal service for our clients. Our commitment is not just towards our clients but we aim to foster a positive and equitable working environment with our...
Contract Spy
Mar 16, 2026
Duration not stated
Full Stack Python & React Engineer at Test Yantra Software Solutions, Sheffield, £500 per day
£500 per day
Contract Spy Sheffield, UK
Role Overview We are seeking a skilled Full-Stack Software Engineer with exclusive expertise in React for frontend development and Python for backend development. The role focuses on building scalable, secure, and high performance web applications while working closely with product, design, and platform teams. Key Responsibilities Frontend (React) Design and develop responsive, modular, and accessible user interfaces using React Build reusable React components, shared libraries, and frontend design systems Manage complex client side state and optimize frontend performance Integrate frontend applications with REST APIs Ensure high standards of UX, accessibility, and cross browser compatibility Backend (Python) Design and implement scalable backend services using Python Develop RESTful APIs using Python frameworks such as Django / FastAPI / Flask Handle authentication, authorization, and secure data...
Contract Spy
Mar 13, 2026
Duration not stated
Full Stack Python & React at Test Yantra Software Solutions Private Limited, Sheffield, £500 a day
£500 per day
Contract Spy Sheffield, UK
Role Overview We are seeking a skilled Full-Stack Software Engineer with exclusive expertise in React for frontend development and Python for backend development. The role focuses on building scalable, secure, and high performance web applications while working closely with product, design, and platform teams. Key Responsibilities Frontend (React) Design and develop responsive, modular, and accessible user interfaces using React Build reusable React components, shared libraries, and frontend design systems Manage complex client side state and optimize frontend performance Integrate frontend applications with REST APIs Ensure high standards of UX, accessibility, and cross browser compatibility Backend (Python) Design and implement scalable backend services using Python Develop RESTful APIs using Python frameworks such as Django / FastAPI / Flask Handle authentication, authorization, and secure data flows Work...
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