1 to 25 of 78 Front-End Developer (Client-Side Developer) Jobs in the South East

Front-End Developer (stealth mode start-up) A stealth mode start-up, recently established by a team of highly experienced engineers and entrepreneurs with substantial financial backing and a proven history of successful technology ventures, is seeking a Front-End … JavaScript is ok. Experience of React is 99% essential and Vue.js is a nice to have. This position is perfect for a Front-End Developer eager to pioneer novel technologies. You'll work closely with a dynamic team, facing unique challenges and … tier software engineers, they maintain high standards but also offer competitive compensation. Additionally, the package includes potentially very lucrative stock options. Ideal Front-End Developers should possess robust programming abilities coupled with an outstanding academic history, preferably from top-tier university. The company recognises that their More ❯

Front-End Developer Location: Hampshire/Hybrid Our Client This company is undergoing a period of significant transformation. In 2024, they will embark on a company-wide Digital Transformation ("DX") Programme, leading to a complete overhaul of their technology stack. … drive the business forward, presenting a fantastic opportunity for those who join their journey. Role Overview They are looking for an experienced Front-End Developer with strong expertise in JavaScript to work on their core web-based platforms. The role involves designing … developing, and maintaining high-quality, user-friendly front-end applications that enhance the company’s digital and e-commerce presence. You will collaborate with business stakeholders, designers, and back-end developers to deliver engaging, responsive, and high-performing web solutions. Key Behaviours Resourcefulness – Use More ❯

Front-End Developer Location: Hampshire/Hybrid Our Client This company is undergoing a period of significant transformation. In 2024, they will embark on a company-wide Digital Transformation ("DX") Programme, leading to a complete overhaul of their technology stack. … drive the business forward, presenting a fantastic opportunity for those who join their journey. Role Overview They are looking for an experienced Front-End Developer with strong expertise in JavaScript to work on their core web-based platforms. The role involves designing … developing, and maintaining high-quality, user-friendly front-end applications that enhance the company’s digital and e-commerce presence. You will collaborate with business stakeholders, designers, and back-end developers to deliver engaging, responsive, and high-performing web solutions. Key Behaviours Resourcefulness – Use More ❯

Front-End Developer Location: Hampshire/Hybrid Our Client This company is undergoing a period of significant transformation. In 2024, they will embark on a company-wide Digital Transformation (DX) Programme, leading to a complete overhaul of their technology stack. … drive the business forward, presenting a fantastic opportunity for those who join their journey. Role Overview They are looking for an experienced Front-End Developer with strong expertise in JavaScript to work on their core web-based platforms. The role involves designing … developing, and maintaining high-quality, user-friendly front-end applications that enhance the company’s digital and e-commerce presence. You will collaborate with business stakeholders, designers, and back-end developers to deliver engaging, responsive, and high-performing web solutions. Key Behaviours Resourcefulness – Use More ❯

Job Role: Front-End Game Developer Location: Brighton 1X2 Network , the industry-acclaimed Slot Supplier of the Year (EGR Awards 2021), is looking for a talented Front-End Game Developer to join our growing … supported by a team of confident, experienced, and reliable colleagues. The Position The role of Front-End Game Developer is creative and dynamic. Key responsibilities include: • Maintaining and troubleshooting issues in our award-winning portfolio, including the EGR Operator Awards Game of … with TypeScript • Strong working knowledge of Pixi.js or similar HTML5 game rendering frameworks • Solid understanding of HTML5 and CSS3 for responsive, accessible front-end design • Experience using Git for version control and platforms like Bitbucket • Familiarity with Agile workflows and collaboration tools such as Jira and More ❯

Job Role: Front-End Game Developer Location: Brighton 1X2 Network , the industry-acclaimed Slot Supplier of the Year (EGR Awards 2021), is looking for a talented Front-End Game Developer to join our growing … supported by a team of confident, experienced, and reliable colleagues. The Position The role of Front-End Game Developer is creative and dynamic. Key responsibilities include: • Maintaining and troubleshooting issues in our award-winning portfolio, including the EGR Operator Awards Game of … with TypeScript • Strong working knowledge of Pixi.js or similar HTML5 game rendering frameworks • Solid understanding of HTML5 and CSS3 for responsive, accessible front-end design • Experience using Git for version control and platforms like Bitbucket • Familiarity with Agile workflows and collaboration tools such as Jira and More ❯

Job Role: Front-End Game Developer Location: Brighton 1X2 Network , the industry-acclaimed Slot Supplier of the Year (EGR Awards 2021), is looking for a talented Front-End Game Developer to join our growing … supported by a team of confident, experienced, and reliable colleagues. The Position The role of Front-End Game Developer is creative and dynamic. Key responsibilities include: • Maintaining and troubleshooting issues in our award-winning portfolio, including the EGR Operator Awards Game of … with TypeScript • Strong working knowledge of Pixi.js or similar HTML5 game rendering frameworks • Solid understanding of HTML5 and CSS3 for responsive, accessible front-end design • Experience using Git for version control and platforms like Bitbucket • Familiarity with Agile workflows and collaboration tools such as Jira and More ❯

Work alongside a dedicated mentor on a green field AI data platform as a graduate developer. Junior Front-end Developer 30,000 to 45,000 per annum Reading (Hybrid - 3 days on site) A company who specialise in research and analysis for … facing platforms; a content management platform and a data processing AI-enabled system. This would involve working closely with a senior front-end developer to develop new features and enhance the existing UI the platforms. Required skills: Good knowledge of coding More ❯

Work alongside a dedicated mentor on a green field AI data platform as a graduate developer. Junior Front-end Developer £30,000 to £45,000 per annum Reading (Hybrid - 3 days on site) A company who specialise in research and analysis for … facing platforms; a content management platform and a data processing AI-enabled system. This would involve working closely with a senior front-end developer to develop new features and enhance the existing UI the platforms. Required skills: Good knowledge of coding More ❯

that work alongside humans to solve real-world problems. As we continue to expand our product offerings, we are seeking a talented Front-End Developer to help shape the future of human-AI collaboration. In this role, you'll build intuitive dashboards … the AI era’s biggest challenges: making complex systems usable through powerful, non-chat user experiences. Key Responsibilities Develop, maintain, and optimize front-end components for modern web applications Implement responsive, mobile-friendly designs that ensure cross-platform compatibility Translate wireframes and prototypes into polished, production … ready applications in collaboration with UX/UI designers Integrate front-end interfaces with REST and GraphQL APIs, as well as back-end systems Ensure high-quality, maintainable code through testing, debugging, and adherence to best practices Stay current with emerging UI/UX More ❯

that work alongside humans to solve real-world problems. As we continue to expand our product offerings, we are seeking a talented Front-End Developer to help shape the future of human-AI collaboration. In this role, you'll build intuitive dashboards … the AI era’s biggest challenges: making complex systems usable through powerful, non-chat user experiences. Key Responsibilities Develop, maintain, and optimize front-end components for modern web applications Implement responsive, mobile-friendly designs that ensure cross-platform compatibility Translate wireframes and prototypes into polished, production … ready applications in collaboration with UX/UI designers Integrate front-end interfaces with REST and GraphQL APIs, as well as back-end systems Ensure high-quality, maintainable code through testing, debugging, and adherence to best practices Stay current with emerging UI/UX More ❯

Role – Front-End Developer Office travel – Hybrid (3 Days a week in the office) Location – Central London Salary – £80,000 - £90,000 + Benefits Infinite Talent have partnered with a renewable energy start-up backed by a global business to recruit for More ❯

Role – Front-End Developer Office travel – Hybrid (3 Days a week in the office) Location – Central London Salary – £80,000 - £90,000 + Benefits Infinite Talent have partnered with a renewable energy start-up backed by a global business to recruit for More ❯

Full Stack Developer (FinTech/Front-end Basis) Basildon - Hybrid £55,000 - £65,000 + Training + Progression + Healthcare Coverage + Benefits Are you a Full Stack Developer with a strong front-end … innovate, grow, and make a real impact. This role would suit a Full Stack Developer with a strong front-end focus, looking to join a talented team building cutting-edge websites for global FinTech clients, using modern technologies and receiving great training … .NET, JavaScript, HTML, CSS, HTMl, Python Proficiency in UI frameworks Based Basildon, happy working hybrid Reference Number: BBBH19584 Keywords : Full Stack Web Developer, Front End, C#, ASP.NET/Core, JavaScript, HTML, CSS, JSON, UI, Southend-on-Sea, Basildon, Gravesend, Brentwood, Chelmsford, Software More ❯

Espire Infolabs is hiring for Front End Developer(React.js) for London, UK location. Role : Front End Developer(React.js) Location: London … UK(3 Days/Week onsite) Desired Industry Experience: 5+ years Relevant Experience: React.Js, Typescript, Azure Job Description: • Proven experience as a Front-End Developer with a focus on React.js, and Typescript. • Familiarity with C# and .Net. • Strong proficiency in JavaScript, ES6 …/ES7, and related front-end technologies. • Familiarity with state management libraries such as Redux. • Experience with version control systems, such as Git. • Experience with the Web Content Accessibility Guidelines. • Knowledge of responsive web design principles and CSS frameworks. • Understanding of RESTful APIs and asynchronous data More ❯

Espire Infolabs is hiring for Front End Developer(React.js) for London, UK location. Role : Front End Developer(React.js) Location: London … UK(3 Days/Week onsite) Desired Industry Experience: 5+ years Relevant Experience: React.Js, Typescript, Azure Job Description: • Proven experience as a Front-End Developer with a focus on React.js, and Typescript. • Familiarity with C# and .Net. • Strong proficiency in JavaScript, ES6 …/ES7, and related front-end technologies. • Familiarity with state management libraries such as Redux. • Experience with version control systems, such as Git. • Experience with the Web Content Accessibility Guidelines. • Knowledge of responsive web design principles and CSS frameworks. • Understanding of RESTful APIs and asynchronous data More ❯

Front-End Engineer – AI Infrastructure Global Fintech London - Hybrid working £140k - £150k + equity DATAHEAD has been exclusively retained by a global deep-tech startup pioneering the future of developer tooling through AI infrastructure. This early-stage company is creating a new … Ivy League institutions, they’re entering their next phase of growth and scaling their engineering team. The Opportunity: As their first dedicated Front-End Engineer , you’ll lead the development of high-performance, user-centric interfaces for their AI-driven products. Working directly with the founding … ll help define and implement end-to-end UI/UX strategy and set architectural standards for scalable front-end systems. What You’ll Do: Drive front-end development and architecture for new AI products. Define UI/ More ❯

Front-End Engineer – AI Infrastructure Global Fintech London - Hybrid working £140k - £150k + equity DATAHEAD has been exclusively retained by a global deep-tech startup pioneering the future of developer tooling through AI infrastructure. This early-stage company is creating a new … Ivy League institutions, they’re entering their next phase of growth and scaling their engineering team. The Opportunity: As their first dedicated Front-End Engineer , you’ll lead the development of high-performance, user-centric interfaces for their AI-driven products. Working directly with the founding … ll help define and implement end-to-end UI/UX strategy and set architectural standards for scalable front-end systems. What You’ll Do: Drive front-end development and architecture for new AI products. Define UI/ More ❯

An exciting opportunity to join a one of the most profitable Global Hedge Funds, working closely with members of trading desks and other development teams. You are expected to provide technical expertise to enhance, support and refresh the front More ❯

An exciting opportunity to join a one of the most profitable Global Hedge Funds, working closely with members of trading desks and other development teams. You are expected to provide technical expertise to enhance, support and refresh the front More ❯

Frontend Engineer - AI Defense Tech Start up - London - Up to £110k + Equity We're working with a well-funded defence tech company building cutting-edge software and AI to power autonomous systems. They’re tackling technically complex and meaningful More ❯

Frontend Engineer - AI Defense Tech Start up - London - Up to £110k + Equity We're working with a well-funded defence tech company building cutting-edge software and AI to power autonomous systems. They’re tackling technically complex and meaningful More ❯

Frontend Engineer (GreenTech) - Typescript, React.js, Tailwind CSS, RESTful API's, Testing - Cypress/Jest, Complex Design & Architecture, Problem Solving! We're hiring for a GreenTech scale up who have recently secured huge PE funding and are looking for a Frontend More ❯

Frontend Engineer (GreenTech) - Typescript, React.js, Tailwind CSS, RESTful API's, Testing - Cypress/Jest, Complex Design & Architecture, Problem Solving! We're hiring for a GreenTech scale up who have recently secured huge PE funding and are looking for a Frontend More ❯

They have approximately 200 million customer accounts and do business in more than 160 countries. We are seeking a hands-on UI Developer with solid experience in modern JavaScript/TypeScript, React and Angular, Node.js, and NPM. The ideal candidate should be passionate about writing clean More ❯