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102 front end developer jobs found

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Contract Spy
Apr 30, 2026
up to 6 Months
Front End Developer at ReactWise, Cambridge/Remote, 3 Months, £Contract Rate
Contract Spy Cambridge, UK
Front End Developer (Contract) Full job description Company Description ReactWise is a seed-stage start-up located in Cambridge (UK) that offers powerful no-code software for optimizing chemical reactions. Using machine learning (ML) algorithms developed by the founders during their PhDs at the University of Cambridge, their software can significantly reduce process development time, bringing novel drugs to clinical trials much faster. Several chemical and pharmaceutical companies currently use our software - from start-ups to big pharma. As an early-stage start-up, we offer the opportunity to build software at the cutting edge of machine learning and chemistry, with short iteration cycles and autonomy to shape the software development process. Role Description We’re looking for a front end software engineer to join our small, fast-moving team in Cambridge on a 3-month contract. You'll work closely with our founders and software engineers to build...
Contract Spy
Apr 28, 2026
Hourly/Freelance
Front-End Developer - AI Trainer at DataAnnotation, Remote, £Hourly Rate
Contract Spy Remote
Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Front-End Developer to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work alongside...
Contract Spy
Apr 21, 2026
Hourly/Freelance
Front-End Developer - AI Trainer at DataAnnotation, Remote, £Hourly Rate
Contract Spy Remote
Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Front-End Developer to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work alongside...
Contract Spy
Apr 15, 2026
Hourly/Freelance
Front-End Developer - AI Trainer at DataAnnotation, Remote, £Hourly Rate
Contract Spy Remote
Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Front-End Developer to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work alongside...
Contract Spy
Apr 08, 2026
Hourly/Freelance
Front-End Developer - AI Trainer at DataAnnotation, Remote, £Hourly Rate
Contract Spy Remote
Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Front-End Developer to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work alongside...
Contract Spy
Apr 30, 2026
Duration not stated
Senior Front End Developer at Bridebook, Remote, £Competitive Day Rate
Contract Spy Remote
Senior Front-End React Developer At Bridebook, we're digitising the wedding industry! Join us in transforming the wedding planning experience for engaged couples around the world. Full-time Contractor · Remote · Competitive Day Rate Who is Bridebook anyway? Bridebook is a revolutionary wedding planning platform that seeks to make wedding planning an enjoyable, intuitive, and rewarding experience for couples, guests, and industry partners. Launched in the UK, Bridebook has over 1,000,000 planning couples and has been featured in major outlets such as the New York Times, the BBC, and the App Store. After seven years and many iterations later, we have 2 in 3 engaged UK couples and 1 in 3 engaged German couples using Bridebook, and have recently expanded into the French and Irish markets. While we serve a very emotional and creative industry, we are disrupting the wedding industry by leveraging cutting-edge technology to provide seamless and...
Contract Spy
Apr 23, 2026
Duration not stated
Senior Front End Developer at Bridebook, Remote, £Competitive Day Rate
Contract Spy Remote
Senior Front-End React Developer At Bridebook, we're digitising the wedding industry! Join us in transforming the wedding planning experience for engaged couples around the world. Full-time Contractor · Remote · Competitive Day Rate Who is Bridebook anyway? Bridebook is a revolutionary wedding planning platform that seeks to make wedding planning an enjoyable, intuitive, and rewarding experience for couples, guests, and industry partners. Launched in the UK, Bridebook has over 1,000,000 planning couples and has been featured in major outlets such as the New York Times, the BBC, and the App Store. After seven years and many iterations later, we have 2 in 3 engaged UK couples and 1 in 3 engaged German couples using Bridebook, and have recently expanded into the French and Irish markets. While we serve a very emotional and creative industry, we are disrupting the wedding industry by leveraging cutting-edge technology to provide seamless and...
Contract Spy
Apr 16, 2026
Duration not stated
Senior Front End Developer at Bridebook, Remote, £Competitive Day Rate
Contract Spy Remote
Senior Front-End React Developer At Bridebook, we're digitising the wedding industry! Join us in transforming the wedding planning experience for engaged couples around the world. Full-time Contractor · Remote · Competitive Day Rate Who is Bridebook anyway? Bridebook is a revolutionary wedding planning platform that seeks to make wedding planning an enjoyable, intuitive, and rewarding experience for couples, guests, and industry partners. Launched in the UK, Bridebook has over 1,000,000 planning couples and has been featured in major outlets such as the New York Times, the BBC, and the App Store. After seven years and many iterations later, we have 2 in 3 engaged UK couples and 1 in 3 engaged German couples using Bridebook, and have recently expanded into the French and Irish markets. While we serve a very emotional and creative industry, we are disrupting the wedding industry by leveraging cutting-edge technology to provide seamless and...
Contract Spy
Apr 09, 2026
Duration not stated
Senior Front End Developer at Bridebook, Remote, £Competitive Day Rate
Contract Spy Remote
Senior Front-End React Developer At Bridebook, we're digitising the wedding industry! Join us in transforming the wedding planning experience for engaged couples around the world. Full-time Contractor · Remote · Competitive Day Rate Who is Bridebook anyway? Bridebook is a revolutionary wedding planning platform that seeks to make wedding planning an enjoyable, intuitive, and rewarding experience for couples, guests, and industry partners. Launched in the UK, Bridebook has over 1,000,000 planning couples and has been featured in major outlets such as the New York Times, the BBC, and the App Store. After seven years and many iterations later, we have 2 in 3 engaged UK couples and 1 in 3 engaged German couples using Bridebook, and have recently expanded into the French and Irish markets. While we serve a very emotional and creative industry, we are disrupting the wedding industry by leveraging cutting-edge technology to provide seamless and...
Contract Spy
Apr 23, 2026
up to 6 Months
Front End Developer at ReactWise, Cambridge/Remote, 3 Months, £Contract Rate
Contract Spy Hybrid (Petersfield, Cambridge CB1 1BH, UK)
Company Description ReactWise is a seed-stage start-up located in Cambridge (UK) that offers powerful no-code software for optimizing chemical reactions. Using machine learning (ML) algorithms developed by the founders during their PhDs at the University of Cambridge, their software can significantly reduce process development time, bringing novel drugs to clinical trials much faster. Several chemical and pharmaceutical companies currently use our software - from start-ups to big pharma. As an early-stage start-up, we offer the opportunity to build software at the cutting edge of machine learning and chemistry, with short iteration cycles and autonomy to shape the software development process. Role Description We’re looking for a front end software engineer to join our small, fast-moving team in Cambridge on a 3-month contract. You'll work closely with our founders and software engineers to build appealing and intuitive user interfaces that help scientists run...
Contract Spy
Apr 16, 2026
up to 6 Months
Front End Developer at ReactWise, Cambridge/Remote, 3 Months, £Contract Rate
Contract Spy Hybrid (Petersfield, Cambridge CB1 1BH, UK)
Company Description ReactWise is a seed-stage start-up located in Cambridge (UK) that offers powerful no-code software for optimizing chemical reactions. Using machine learning (ML) algorithms developed by the founders during their PhDs at the University of Cambridge, their software can significantly reduce process development time, bringing novel drugs to clinical trials much faster. Several chemical and pharmaceutical companies currently use our software - from start-ups to big pharma. As an early-stage start-up, we offer the opportunity to build software at the cutting edge of machine learning and chemistry, with short iteration cycles and autonomy to shape the software development process. Role Description We’re looking for a front end software engineer to join our small, fast-moving team in Cambridge on a 3-month contract. You'll work closely with our founders and software engineers to build appealing and intuitive user interfaces that help scientists run...
Contract Spy
Apr 16, 2026
Hourly/Freelance
Web Developer - Front End & WordPress at Screen Pilot, London/Remote, £Freelance Rate
Contract Spy Remote (United Kingdom)
Freelance Web Developer (Front-End & WordPress) Location: London / Remote Work Model: Flexible & Project-Based Work Type: Freelance / Ongoing Pool Day Rate: Competitive (Dependent on Experience)     About Us: Screen Pilot is an award-winning, integrated marketing agency specialising in the hospitality, travel, and leisure markets, operating globally with offices in the US and UK. Driven by a Smart With Heart philosophy, we deliver tailored customer journeys by combining bold, emotionally resonant creative with advanced data insight and technology.   Our client mix is wide and exciting—from cult hospitality heroes like Perelló and Murano to global names like Marriott, The Atlantis Bahamas, Hyatt, and Meta. We care about craft and impact, and we’re looking for freelancers who bring that same passion to every build.   The Role. We are building a pool of talented Freelance...
Contract Spy
Apr 14, 2026
Duration not stated
Senior React Developer at Synechron, London Area, £Contract Rate
Contract Spy London Area, United Kingdom
Are you a highly experienced front-end engineer passionate about building robust, high-performance systems? Do you want to be part of a global organisation that ensures the stability and efficiency of the world’s financial ecosystem? Synechron is looking for a talented Front-End Lead to spearhead our front-end transformation for post-trade services. This is a unique opportunity to work on cutting-edge technology within a prestigious, systemically important infrastructure provider. As the Lead Front-End Developer, you will be instrumental in rewriting and refactoring existing UI applications like Margin Manager and Collateral Manager using our strategic workspace UI components. You will design and build a unified portal to provide seamless access across various internal systems, ensuring a cohesive look and feel. Your expertise will help champion clean, maintainable code and uphold strict resiliency standards within an AWS environment. You will collaborate closely with...
Contract Spy
Apr 21, 2026
Duration not stated
Senior BackEnd Developer - Cyber at Methods, Ross-On-Wye, £Contract Rate
Contract Spy Ross-On-Wye, England, United Kingdom
Methods Business and Digital Technology Limited Methods is a £100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK-based, we apply our skills in transformation, delivery, and collaboration from across the Methods Group, to create end-to-end business and technical solutions that are people-centred, safe, and designed for the future. Our human touch sets us apart from other consultancies, system integrators and software houses - with people, technology, and data at the heart of who we are, we believe in creating value and sustainability through everything we do for our clients, staff, communities, and the planet. We support our clients in the success of their projects while working collaboratively to share skill sets and solve problems. At Methods we have fun while working hard; we are not afraid of making mistakes and...
Contract Spy
Apr 21, 2026
Duration not stated
Senior BackEnd Developer - Cyber at Methods, Great Malvern, £Contract Rate
Contract Spy Great Malvern, England, United Kingdom
Methods Business and Digital Technology Limited Methods is a £100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK-based, we apply our skills in transformation, delivery, and collaboration from across the Methods Group, to create end-to-end business and technical solutions that are people-centred, safe, and designed for the future. Our human touch sets us apart from other consultancies, system integrators and software houses - with people, technology, and data at the heart of who we are, we believe in creating value and sustainability through everything we do for our clients, staff, communities, and the planet. We support our clients in the success of their projects while working collaboratively to share skill sets and solve problems. At Methods we have fun while working hard; we are not afraid of making mistakes and...
Contract Spy
Apr 21, 2026
Duration not stated
Senior BackEnd Developer - Cyber at Methods, Gloucester, £Contract Rate
Contract Spy Gloucester, England, United Kingdom
Methods Business and Digital Technology Limited Methods is a £100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK-based, we apply our skills in transformation, delivery, and collaboration from across the Methods Group, to create end-to-end business and technical solutions that are people-centred, safe, and designed for the future. Our human touch sets us apart from other consultancies, system integrators and software houses - with people, technology, and data at the heart of who we are, we believe in creating value and sustainability through everything we do for our clients, staff, communities, and the planet. We support our clients in the success of their projects while working collaboratively to share skill sets and solve problems. At Methods we have fun while working hard; we are not afraid of making mistakes and...
Contract Spy
May 01, 2026
Duration not stated
Software App Developer at Green Valley Group, Llandeilo/Remote, £Freelance Rate
Contract Spy Hybrid (Llandeilo SA19, UK)
About us We are GVG (www.gvggroup.com), a growing UK-based asset management and maintenance consultancy, working with clients across infrastructure, utilities and industrial sectors. We are developing a suite of in-house digital tools to support asset data management, maintenance planning and operational performance. The role We are looking for a freelance software developer to support the design and development of internal applications. These tools will be used by our consultants and clients to improve asset data quality, streamline workflows and support decision-making. You will work closely with our team to translate operational requirements into practical, user-friendly applications. Key responsibilities Design and develop web-based applications and tools Translate business and operational requirements into technical solutions Build intuitive user interfaces with a strong focus on usability Develop and manage databases and data models...
Contract Spy
May 01, 2026
Hourly/Freelance
Application Engineer - AI Trainer at DataAnnotation, Remote, £Hourly Rate
Contract Spy Remote
Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Application Engineer - AI Trainer to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this...
Contract Spy
May 01, 2026
Hourly/Freelance
C++ Developer - AI Trainer at DataAnnotation, Remote, £Hourly Rate
Contract Spy Remote
Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient C++ Developer - AI Trainer to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work...
Contract Spy
Apr 30, 2026
Duration not stated
Solutions Architect at Pluro - Shopify Plus Agency, London, £Contract Rate
Contract Spy London Area, United Kingdom
*Please only apply if you have hands-on Shopify Plus architecture experience. Strong Shopify theme/front-end development experience alone will not be enough for this role.   About Pluro Pluro is a Shopify agency working with ambitious e-commerce brands, with a focus on Shopify Plus, subscriptions, premium consumer brands, and complex technical delivery.   We work across strategy, Shopify architecture, theme development, app integrations, platform migrations, CRO, and ongoing growth retainers. As the agency grows, we are looking for a contract Solutions Architect to support with discovery, technical planning, client workshops, and delivery handovers.   The Role We are looking for an experienced Solutions Architect who can sit between client requirements, commercial strategy, and technical delivery.   This role is ideal for someone who understands Shopify deeply, can translate business problems into technical solutions, and can...
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