11 of 11 Senior Front-End Developer Jobs in London

InnoWave is looking for a dynamic and agile Senior Front-end Developer with testing experience to join our team. This is a hybrid position for a client in the UK. Senior Front-end Developer Responsibilities … Create well-crafted front-end web applications using React.js and NextJS. Support and develop server-side rendered web applications, utilizing AWS Lambda. Write resilient code that is continuously tested, deployed, and performs at scale. Test front-end applications end-to-end with unit, functional, integration, visual regression More ❯

We are seeking two Senior Front-End Blockchain Developers to join a UK-based B2B trading platform in the fintech space. You will continue the development of a Ruby/Rails and React web application, ensuring a seamless user experience and robust integrations with blockchain-based core services. This is a full … Candidate Remuneration: £6,500-£7,500 per month (£78,000-£90,000 per year) Remuneration Frequency: Monthly Country of Resource: United Kingdom Responsibilities Develop and maintain the front-end of a Ruby/Rails and React-based web application. Collaborate with product and back-end teams to implement fintech and blockchain features. Ensure high … years of hands-on experience React: Minimum 7 years of hands-on experience API Integrations: Minimum 5 years of experience Professional Software Development: 10+ years of experience Front-End Architecture: Strong understanding required Language: English (Advanced proficiency) Nice-to-Have Skills Experience with fintech platforms or blockchain-based UIs Proficiency in JavaScript/TypeScript frameworks (e.g. More ❯

Senior Software Developer Location: Hybrid, Croydon The Company: At Amber Labs, we are a cutting-edge UK and European technology consultancy that prioritises empowering autonomy, promoting experimentation, and facilitating rapid learning to provide exceptional value to our clients. Our company culture is centred around collaboration, where all colleagues, regardless of their role … risk and shorten delivery times. Our team consists of highly-skilled cross-functional consultants, analysts, and support staff. Job Overview We are seeking a talented and experienced Senior Software Developer to join our dynamic team. The ideal candidate will have a strong background in government operations and a deep understanding of cloud More ❯

Senior Front End Developer/Engineer (React TypeScript Data Visualisation) London to £80k Are you a skilled Software Developer with strong React and Data Visualisation skills combined with a good appreciation of financial markets and technology? You could be joining a growing, global, Fintech … seen 30-40% year on year growth for the past 10 years and has ambitious growth plans. As a Senior Front End Developer you'll design and develop new features and enhancements to the front end of the platform with a focus on real … a 2.1 or above in Computer Science or similar technical discipline What's in it for you: As a Senior Front End Developer you will receive a comprehensive package including: Salary to £80k Private Medical Healthcare including Dental and Vision cover Pension Share Option scheme Employee Wellness Programme More ❯

Senior Front End Developer/Engineer (JavaScript Vue.js) London to £100k Do you enjoy working with a range of programming languages? You could be progressing your career in a senior, hands-on Front End Developer role … ll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Front End Developer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future … to be degree educated in Computer Science or similar tech discipline What's in it for you: As a Senior Front End Developer you will receive a competitive package: Salary to £100k 25 days holiday (increasing to 30), plus Christmas Eve Vitality healthcare plus a host of wellbeing More ❯

We are a global digitalconsultancy specialising in AI, cloud, data, and digital product engineering ,delivering transformation at scale for clients in the UK, EU, and NorthAmerica. Our front-end developers are integral to our mission of deliveringseamless user experiences while maintaining technical excellence andoperational efficiency. Requirements Key Responsibilities Lead the development of complex user interfaces using … management strategies in alignment with our design systems andcoding standards. Collaborate closely with UX/UI designers totransform Figma prototypes into pixel-perfect, responsive web interfaces. Integrate front-end applications with RESTful APIsand GraphQL endpoints, ensuring robust data handling and error management. Participate in code reviews , provideconstructive feedback, and uphold high standards of code quality and … in applications, ensuring optimal load times and responsiveness acrossdevices. Mentor and support junior developers within theteam, fostering a culture of knowledge sharing and continuous improvement. Contribute to front-end build tooling and CI/CDpipelines , ensuring efficient developer workflows. Ensure compliance with accessibility (WCAG)standards across all interfaces. Proactively participate in sprint More ❯

FDM is a global business and technology consultancy seeking a Senior Front End Developer to work for our client within the public sector. This is initially a 3-month contract with the potential to extend and will be a remote role that requires the role holder to … Responsibilities as a Senior Front End Developer: Contribute to the design and development of both front-end and back-end systems, including integrations and APIs Take ownership of workflow planning, sprint coordination, and task allocation within a cross-functional team Lead process … a strong background in software development Active SC Clearance and willingness to undergo Non-Police Personnel Vetting (NPPV3) Proven experience across the full software development lifecycle Strong front-end development skills, with a particular specialism in React Experience implementing OpenAPI specifications and developing mock services Ability to lead a development team and coordinate the work of More ❯

re seeking an experienced Senior Frontend Developer to join our Professional Services team at Squiz. You'll advise on front-end architecture and implement the Squiz DXP ensuring the technical solution is tailored to the client brand and content strategy. You will have the following Technical Skills … Experience: 5+ years experience front-end web development JavaScript (preferably vanilla JS), HTML, and CSS Experience building commercial grade Websites, Portals, Intranets etc Strong knowledge of web fundamentals, HTTP methods, integration patterns, RESTful APIs Experience with Node.js or other server-side JavaScript (backend 20% of role) Building web interfaces according to WCAG accessibility standards and … for the following: Experience delivering search implementations, indexing content and building search interfaces. Understanding of information architecture and how it applies to large content ecosystems Experience integrating front-end interfaces with content workflows and personalization engines Experience working on multi-tenant platforms or enterprise SaaS applications Understanding of micro frontends or component-based architectures Comfortable navigating More ❯

We are seeking two Senior Back-End Blockchain Developers to join a UK-based B2B trading platform leveraging blockchain technology. You will develop and maintain the platform's back-end, focusing on Solana/Rust for blockchain integration, platform security, business logic, and database management. This is a … full-time, 12-month contract role with a preference for hybrid work in the UK. Job Details Job Title: Senior Back-End Blockchain Developer Number of Positions: 2 Location: London, UK Job Type: Contract Contract Start Date: 21 July 2025 Contract End Date: 21 July 2026 Contract Length … Build and maintain back-end systems, including Solana/Rust programs for blockchain integration. Implement secure business logic, platform security, and database management. Collaborate with front-end and product teams to support fintech and blockchain functionality. Required Skills and Experience Solana: Minimum 4 years of experience Rust: Minimum 4 years of experience API Integration More ❯

Our client is seeking a highly experienced Senior Frontend (HTML5) Game Developer based in or near Oxford, UK, as you will be required to work in the office 1 day per month ; otherwise, you will be working remotely . The candidate will be responsible for implementing and tuning high-quality, optimised More ❯

unattended retail tech - 150+ people, 5 countries, hundreds of customers, and a product that's redefining how the world shops. We're after a sharp, experienced frontend developer who cares about clean code, great UX, and long-term quality. You love solving complex problems, building elegant solutions, and bringing design systems to life. Pragmatic, detail-driven More ❯