18 of 18 Permanent Senior Front-End Engineer (Client-Side Engineer) Jobs in the UK

across disciplines and contributing wherever business needs require. Core areas of depth may include one or more of: Web/Front-end engineering Java/AWS backend and distributed systems React Native Android (Kotlin) iOS (Swift) Successful candidates demonstrate deep expertise … Software Engineer or equivalent. Deep expertise in at least one of: Modern web/front-end engineering (TypeScript/JavaScript frameworks) React Native Android (Kotlin) iOS (Swift) Java/AWS backend engineering and distributed systems Demonstrated ...

Senior Front-End Developer Location: Edinburgh (Remote-first, with occasional office visits) Salary: £50,000 – £60,000 per year + competitive benefits About the Role We’re looking for a Senior Front-End … role in shaping and delivering new features and enhancements. What You’ll Do Lead the design and development of front-end features using modern JavaScript frameworks. Collaborate with product and engineering managers to scope and prioritize work. Ensure high-quality, maintainable ...

Assistance platform turns passenger assistance requests into coordinated action inside live rail operations. We’re hiring a Senior Front-End Engineer to own and scale the front-end … Within 12 months, you will: Confidently contribute to UK and Global teams based on priority. Lead incident response efforts when front-end issues affect production. Influence front-end architectural decisions. Raise the overall quality ...

Assistance platform turns passenger assistance requests into coordinated action inside live rail operations. We’re hiring a Senior Front-End Engineer to own and scale the front-end … Within 12 months, you will: Confidently contribute to UK and Global teams based on priority. Lead incident response efforts when front-end issues affect production. Influence front-end architectural decisions. Raise the overall quality ...

Assistance platform turns passenger assistance requests into coordinated action inside live rail operations. We’re hiring a Senior Front-End Engineer to own and scale the front-end … Within 12 months, you will: Confidently contribute to UK and Global teams based on priority. Lead incident response efforts when front-end issues affect production. Influence front-end architectural decisions. Raise the overall quality ...

Senior Frontend Engineer | Series A AI Startup | $30M Funding | Enterprise AI Our client are building the next generation of enterprise AI - systems that learn continuously from real-world processes .They're a Series A company backed by $30M in funding … growing their Product Engineering team to tackle one of the hardest problems in applied AI. The Role As a Frontend Product Engineer , you'll build their core platform, enabling an intuitive & user-friendly experience all end clients. Your work will ...

Senior Frontend Engineer Series A AI Startup $30M Funding Enterprise AI Our client are building the next generation of enterprise AI - systems that learn continuously from real-world processes . They're a Series A company backed … growing their Product Engineering team to tackle one of the hardest problems in applied AI. The Role As a Frontend Product Engineer , you'll build their core platform, enabling an intuitive & user-friendly experience all end clients. Your work will ...

Senior Frontend Engineer | Series A AI Startup | $30M Funding | Enterprise AI Our client are building the next generation of enterprise AI - systems that learn continuously from real-world processes . They're a Series A company backed … growing their Product Engineering team to tackle one of the hardest problems in applied AI. The Role As a Frontend Product Engineer , you'll build their core platform, enabling an intuitive & user-friendly experience all end clients. Your work will ...

Role: Senior Software Engineer, Frontend Job Type: Full Time, Permanent Location: London, Hybrid (3 office days a week) Role purpose As a valued member of our engineering team, you will contribute to the development of our new web application, powered ...

adtech and martech space. Overview As part of our continued product expansion and platform evolution, we are looking for an experienced Senior Frontend Engineer to join our London office. This role will take ownership of critical user-facing systems within AudienceProject … systems to improve maintainability, performance, and developer experience while introducing modern best practices. Performance & Scalability - Optimise rendering performance, data fetching strategies, and client-side state management to support large datasets and complex analytical workflows. Design Systems & Reusability - Contribute to and evolve shared component libraries and design ...

impact the business with the software they develop. They're looking for a Senior Front End Engineer to come in and modernise and augment UIs across multiple applications, spanning Risk, Research and Compliance. They … looking for a Senior Software Engineer who can work on solutions end-end, bring in fresh ideas, and manage up to stakeholders and non technical staff, being a great communicator. Stack: React, Typescript, Javascript ...

flagship mobile product. Reporting to a Software Engineering Manager, the Senior Front End Software Engineer is a major contributor and technical influencer within an engineering team delivering high-quality applications and services used … across disciplines and contributing wherever business needs require. Core areas of depth may include one or more of: • Web/Front-end engineering • Java/AWS backend and distributed systems • React Native • Android (Kotlin) • iOS (Swift) Successful candidates demonstrate deep expertise ...

mission-critical systems at scale. We work closely with our customers, driving measurable business outcomes and providing world-class user experiences. As a Senior Frontend Engineer, you will be instrumental in building intuitive, high-performance, and dependable web applications that empower ...

looking for a Senior Frontend Engineer (iOS) to join a high-performing engineering team building next-generation mobile banking platforms . This role focuses on designing and delivering high-quality iOS applications that serve millions of users, with a strong emphasis ...

policies and procedures. Skills Required Essential Proven experience in designing, building, and maintaining scalable, modular, and high-performance front-end architectures (e.g., micro-frontends, design systems, component libraries) Proven experience with a major front-end ...

policies and procedures. Skills Required Essential Proven experience in designing, building, and maintaining scalable, modular, and high-performance front-end architectures (e.g., micro-frontends, design systems, component libraries) Proven experience with a major front-end ...

understand the underlying concepts and user flows; however, you are not required or expected to have background in Machine Learning. This is a senior-level role, and we are looking to hire a software engineer with background in product design, UI/ ...

social activity feeds, real-time notifications, and embedded game experiences, all running inside a single performant web shell. You will join a small, senior team (primarily backend engineers) and own the entire frontend. That means choosing the framework, defining the architecture, building the components, and shipping — all with … work — actual products or interfaces you can point to, not just a CV Single-page application experience — state management, local storage, client-side routing, caching strategies JavaScript SDK development — you've built or contributed to a JS library or SDK others consume Performance tooling — CDNs, caching ...