1 to 25 of 35 Remote/Hybrid Senior Front-End Engineer (Client-Side Engineer) Jobs

Senior Front End React Engineer Location: Telford (Hybrid, minimum 2 days per week onsite) Duration: 6-Month Contract Clearance: BPSS Required The Opportunity We're looking for a Senior Front … technologies and cross-functional delivery. Essential Skills & Experience Strong commercial experience with JavaScript and React. Proven experience delivering complex front-end applications. Strong understanding of software engineering best practices and object-oriented design principles. Experience with: Playwright HTML Git/GitLab JUnit ...

Senior Frontend Engineer (UI/UX ) This is a Perm role In partnership with Robert Half Ltd and Tony Koyratty Location: Central London (3 days onsite and 2 days from home) THIS IS A UI/UX Focused role. YOU MUST HAVE … product direction, shape technical decisions, and play a key role as the business continues to scale. The Opportunity We're looking for a Senior Frontend Engineer with deep UI/UX expertise and a passion for creating exceptional user experiences. ...

ownership, solve complex technical challenges, influence frontend strategy, and build products used by some of the world’s leading asset management firms ð Senior Frontend Engineer – FinTech ðð Location: London – hybrid (3-5 days per week)ð Salary: Up to 100kð§ Experience … users, quality, attention to detail and effortless customisation are at the heart of everything they build.They’re now looking for a Senior Frontend Engineer to take ownership of building data-driven web applications and widgets for a range of high-profile clients ...

Interactive Brokers Group, Inc. in London seeks a Front-End Engineer to deliver hands-on solutions across our critical trading UI projects, with a focus on Vue-based interfaces and performance. The role supports a hybrid ...

Kleiner Perkins, GV, and Evantic Capital, alongside the founders and operators of Stripe, Datadog, Miro, and Webflow.About the roleAs a Senior Frontend Engineer on our Website team, you'll be a co-owner of the platform behind synthesia.io: the component library, content … schema versus at runtime, and how to stop a section library sprawling. GROQ and Portable Text are familiar territory.Deep front-end expertise: expert HTML, CSS and TypeScript, with a strong command of component API design and the developer experience of a shared ...

Kleiner Perkins, GV, and Evantic Capital, alongside the founders and operators of Stripe, Datadog, Miro, and Webflow. About the role As a Senior Frontend Engineer on our Website team, you'll be a co-owner of the platform behind synthesia.io: the component … looking for At least five (5) years as a software engineer, including three (3) at senior level, building front end for content-driven or marketing platforms. Real ownership of a content model in Sanity. ...

market. Location: London Office/Hybrid (3 days a week working from home)Reporting to: Engineering ManagerThe role As a Senior Software Engineer I, you will own the delivery of high-quality software and products, able to be deployed frequently and safely ...

market. Location: London Office/Hybrid (3 days a week working from home) Reporting to: Engineering Manager The role As a Senior Software Engineer I, you will own the delivery of high-quality software and products, able to be deployed frequently ...

shared goal: to drive the global green energy revolution. Read our Spotlight series to meet some of the team.We are looking for a Senior Frontend Engineer to join our Flexibility team.The Flexibility team was established in early 2026, and has been growing … recorded a podcast about our culture and how we empower our people. We’ve also been placed in the top 10 companies for senior leadership• Visit our UK perks hub - Octopus Employee BenefitsIf this sounds like you then we'd love to hear from you, tell us what ...

goal: to drive the global green energy revolution. Read our Spotlight series to meet some of the team. We are looking for a Senior Frontend Engineer to join our Flexibility team. The Flexibility team was established in early 2026, and has been … recorded a podcast about our culture and how we empower our people. We’ve also been placed in the top 10 companies for senior leadership Visit our UK perks hub - Octopus Employee Benefits As an equal opportunity employer, we do not discriminate on the basis of any protected ...

them, it’s deeply embedded within our DNA. Invest in us and we’ll invest in you!Job DescriptionAs a Front-End Developer, you'll collaborate closely with Product Owners, Business Analysts, Technical Architects, UX/UI Designers and other team members … digital products. Your role involves ensuring that the code aligns with these requirements and adheres to our architectural and front-end coding standards. Performance optimisation is key, and you'll employ best practices to enhance our applications. Additionally, you'll stay proactive ...

foster them, its deeply embedded within our DNA. Invest in us and well invest in you! Job Description As a Front-End Developer, you'll collaborate closely with Product Owners, Business Analysts, Technical Architects, UX/UI Designers and other team members … digital products. Your role involves ensuring that the code aligns with these requirements and adheres to our architectural and front-end coding standards. Performance optimisation is key, and you'll employ best practices to enhance our applications. Additionally, you'll stay proactive ...

Adapty is hiring a Senior Frontend Engineer to own the frontend of Flow Builder, shaping its architecture and guiding features from customer problems to production. You will collaborate with the SDK team, ensure fast editor performance, and drive the product forward with ...

Reactive Markets Limited is seeking a senior frontend engineer to build the trading platform across the stack, using TypeScript and Rust. You’ll work on trader-facing interfaces and the services behind them, with ownership from design through production. You’ll join … small, senior team focused on high-performance systems, with remote-friendly, UK-based setup and opportunities for mentorship and impact across the platform. #J-18808-Ljbffr ...

Octopus Energy is seeking a Senior Frontend Engineer to join our Flexibility team. You will own frontend strategy, build advanced customer journeys, and deliver scalable interfaces that power millions of low-carbon decisions. Collaborate with design and product to ship fast ...

CreateFuture in the UK is looking for a Senior Frontend Engineer (Vue.js/TypeScript) to build scalable, accessible frontend solutions for iGaming clients. You’ll influence technical direction, mentor peers, and help embed AI and automation in delivery. This role supports hybrid ...

CreateFuture in the UK is looking for a Senior Frontend Engineer (Vue.js/TypeScript) to build scalable, accessible frontend solutions for iGaming clients. You’ll influence technical direction, mentor peers, and help embed AI and automation in delivery. This role supports hybrid ...

CreateFuture in the UK is looking for a Senior Frontend Engineer (Vue.js/TypeScript) to build scalable, accessible frontend solutions for iGaming clients. You’ll influence technical direction, mentor peers, and help embed AI and automation in delivery. This role supports hybrid ...

CreateFuture in the UK is looking for a Senior Frontend Engineer (Vue.js/TypeScript) to build scalable, accessible frontend solutions for iGaming clients. You’ll influence technical direction, mentor peers, and help embed AI and automation in delivery. This role supports hybrid ...

Unitary is a remote-first AI startup building Virtual Agents. As a Senior Software Engineer, you will own the frontend for our products and help shape how customers see and trust AI-powered work, turning early builds into polished surfaces. You will ...

Octopus Energy Group is seeking a Senior Frontend Engineer to join the Flexibility team. You will lead frontend capability, set technical direction, and build a range of customer-facing journeys that empower users with low carbon tech management. You will collaborate with ...

sophisticated, full-fledged programs, such as common operating pictures, alert-triaging inboxes, and resource allocation planning tools driven by rich-ML models.As a Senior Front End Software Engineer focused on application development in Foundry ...

full-fledged programs, such as common operating pictures, alert-triaging inboxes, and resource allocation planning tools driven by rich-ML models. As a Senior Front End Software Engineer focused on application development in Foundry ...

Unitary is a remote-first AI startup building Virtual Agents for midmarket customers. We seek a senior React engineer to own frontend interfaces, reimagine our frontend into a scalable platform, and blend product thinking with engineering excellence. You will collaborate with product ...

innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with meaningful careers.ROLE PROFILE:We are seeking a Senior Frontend Developer to join our Customers Identity & Access Management team at LSEG. You will play a pivotal role in maintaining and evolving our JavaScript … standards.Passion for clean code, automation, and continuous improvement.Excellent interpersonal skills and a passion for developer experience and security.ROLE PROFILE:We are seeking a Senior Frontend Developer to join our Customers Identity & Access Management team at LSEG. You will play a pivotal role in maintaining and evolving our JavaScript ...