6 of 6 Front-End Engineer (Client-Side Engineer) Jobs in the South East

prototype, iterate, and deploy solutions that meet the highest standards of performance, security, and compliance in a regulated financial setting. Accountabilities & Responsibilities Design and develop modern, responsive front-end applications from the ground up using React, TypeScript, and Next.js. Build secure, performant user interfaces that integrate with LLM APIs (e.g., Gemini, Azure OpenAI) and internal systems. … Implement advanced front-end security features including token handling, session management, data masking, and audit logging. Translate UX/UI designs into modular, reusable components aligned with enterprise design systems. Integrate front-end applications with REST/GraphQL APIs, WebSockets, and backend services. Collaborate with AI engineers, backend developers, and cloud architects … pipelines hardened for security and compliance. Participate in code reviews, technical design discussions, and architecture planning sessions. Required Knowledge, Skills & Experience Proven experience building secure, production-grade front-end applications in regulated environments (e.g., finance, healthcare, government). Strong proficiency in modern JavaScript/TypeScript frameworks (React, Next.js) and responsive UI development. Demonstrated ability to build More ❯

Are you a Front-End specialist? Experienced in enterprise-level cloud-based SaaS solutions? Could you add value to an existing team of highly-skilled developers? Are you ready to make your mark on future-proofed software? We are Preservica, and our active digital preservation solutions are at the razors edge of commercial software solutions, addressing … an Agile Scrum to build high-quality and fully performing software across our cloud-based SaaS product range of Digital Preservation software. As Senior Front End Engineer, youll work on: Writing well-designed, testable, maintainable, and efficient code Ensuring the technical feasibility of UI/UX designs Integrating software components into a …/system-related subject or equivalent through relevant training and/or experience Familiarity with Agile development practices, including Continuous Integration 5+ years' experience in enterprise-level front-end web development The ability to take a lead role within the dev team Proficient understanding of semantic mark-up, including HTML5 & CSS3 (comfortable with CSS animations and More ❯

Are you a Front-End specialist? Experienced in enterprise-level cloud-based SaaS solutions? Could you add value to an existing team of highly-skilled developers? Are you ready to make your mark on future-proofed software? We are Preservica, and our active digital preservation solutions are at the razor’s edge of commercial software solutions … an Agile Scrum to build high-quality and fully performing software across our cloud-based SaaS product range of Digital Preservation software. As Senior Front End Engineer, you’ll work on: Writing well-designed, testable, maintainable, and efficient code Ensuring the technical feasibility of UI/UX designs Integrating software components into …/system-related subject or equivalent through relevant training and/or experience Familiarity with Agile development practices, including Continuous Integration 5+ years' experience in enterprise-level front-end web development The ability to take a lead role within the dev team Proficient understanding of semantic mark-up, including HTML5 & CSS3 (comfortable with CSS animations and More ❯

Front End React Engineer (TypeScript, API's, some C#/Angular)Gatwick (1 day per week in office).£45000 - £60000 + Package This role cannot offer Visa Sponsorship for applicants. Your new company I am engaged on a project to recruit a React Front End Developer to More ❯

Senior Frontend Developer/Lead Frontend Engineer/React/TypeScript/Functional Programming/Elm/Haskell/AI Senior Frontend Developer - Deep Tech GenAI Startup Title: Senior Frontend Developer Location: Hybrid, London (1 day a week on-site) Domain: AI startup, Engineering Tech: JavaScript, React, TypeScript, Elm, WebGL, Tailwind CSS, AI Salary … theoretical physics, and computational geometry to build tools that transform large-scale engineering through machine learning and generative AI. They are now looking for a Senior Frontend Engineer with a passion for functional programming and elegant, performant user interfaces. The frontend stack includes React, TypeScript, Elm, and WebGL, with the backend built mainly in Python and … join a fast-paced startup culture that values learning, experimentation, and collaboration with some of the best minds in the industry. Senior Frontend Developer/Lead Frontend Engineer/React/TypeScript/Functional Programming/Elm/Haskell/AI More ❯

Front End Engineer/Developer (React v19 TypeScript) London/WFH to £95k Are you a Front End technologist looking for an opportunity to progress your career in a hands-on role with lots of learning opportunities? You could be joining a Hedge Fund with complex work and … substantial bonus earning potential. As a Front End Engineer you'll join a globally distributed team to develop engaging and simple user interfaces across all internal business systems. You'll collaborate with UX and Product teams, actively participating in all stages of a project, through product design, development, implementation, testing and maintenance. … are degree educated, having achieved a 2.1 or above in Computer Science or similar technical discipline What's in it for you: As a Front End Engineer you will receive a competitive package: Salary to £95k Bonus Pension Self development and career progression opportunities Apply now to find out more about this More ❯