Senior Front-End Engineer (Client-Side Engineer) Job Vacancies

26 to 48 of 48 Senior Front-End Engineer (Client-Side Engineer) Jobs

Senior Front End D3 Javascript Software Engineer - Holborn

Holborn, Greater London, England
Nexus Jobs Limited
Senior Front End D3 Javascript Software Engineer - Holborn Our Client wants to recruit a Senior Front End Software Developer with at least 7 to 10 years expertise of working with D3 React … including DOM manipulation and the JavaScript object model Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools Experience with common front-end development tools such as Babel, Webpack, NPM, etc. More ❯
Employment Type: Permanent
Posted:

Senior Frontend Engineer (Remote - in Europe)

London, United Kingdom
Hybrid / WFH Options
Fresha
The ecosystem helps merchants unlock revenue potential through online bookings and automated marketing, integrated with platforms like Instagram, Facebook, and Google. Role Overview We are seeking an exceptional Senior Frontend Engineer to join our growing team. Reporting to the Team Lead , you will work within a cross-functional product team to design More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Sr. Front-End Software Engineer with Security Clearance

Maryland, United States
ClearanceJobs
Role Summary: You will act as a Front-End Engineer on a Discovery Analytics Team (DAT). You will play a pivotal role in rapidly building a variety of specialized tools and tradecraft to enhance the operational mission. Your responsibilities will include developing innovative solutions for … professional experience with a Bachelor of Science degree in a technical discipline or 16 years of professional experience in lieu of B.S. degree. Expertise in front-end technologies and experience using high-level web frameworks where appropriate. Mastery of the React ecosystem (e.g., TypeScript, Vite, Tailwind CSS, Redux, Tanstack Query, etc.), for … rapidly creating tailored user interfaces. Strong grasp of scalable, maintainable, and performance front-end architectures and patterns like state management and responsive design principles, with the ability to evaluate and implement the best fit for project needs. Proven track record of willingness to adapt quickly on the job and ability to learn More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Sr Frontend Engineer

Keynsham, Somerset, United Kingdom
Hybrid / WFH Options
VC Evidensia UK
Europe and Canada, we're building seamless digital experiences that connect pet owners and clinics - ensuring the right care, at the right time. We're looking for a Senior Frontend Engineer to join our growing engineering team and help shape the future of pet care. If you're passionate about frontend performance … of our central technology team, you'll help shape the tools and platforms that support more than 2,500 veterinary practices across 20 countries. The Role As a Senior Frontend Engineer, you'll join one of our cross-functional product teams, working alongside product managers, designers, and engineers to build and scale More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Frontend Engineer Edinburgh, United Kingdom £50,000 - £100,000 per year

Edinburgh, United Kingdom
Ember Core Ltd
We're looking for a senior frontend engineer to join the team. You'll be an expert in React and someone who sweats the pixels - but you're also open to contributing to our mobile apps or backend from time to time. You'll help shape what we build, not just how … you: Strong background: You'll likely have several years of professional experience in a high-performing environment but we value ability and motivation even more. Talented engineer: You are driven, thoughtful and always hungry to learn more. You don't need to be an expert in all of the languages and frameworks we use More ❯
Employment Type: Permanent
Salary: GBP 50,000 - 100,000 Annual
Posted:

Senior Frontend Engineer (UK Loans)

London, United Kingdom
Hybrid / WFH Options
Lendable
the best technology in-house , using new data sources, machine learning and AI to make machines do the heavy lifting About the role We're looking for a Senior Frontend Software Engineer, with strong Typescript and React/NextJS experience, to work on one of our key web platforms. You'll join … and optimise conversion rates in our existing funnels, and answering questions with experiments and fast iteration, to maintaining, refactoring & improving our codebase and tooling. Our ideal engineer is detail focused and resourceful, and keen to understand the bigger picture outside of their product team, contributing to wider engineering and business initiatives that help us More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Front-End Engineer

United Kingdom
Creation Recruitment
Build and enhance applications in React and Node.JS Write reusable code and libraries for future use Assist in designing and documenting architectural decisions Work closely with back-end engineers and Designers, UX etc and lead or More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Frontend Engineer

London, United Kingdom
Henry Schein One group
each step of thepatient experience - from first contact and scheduling to clinical treatment and billing, to ensuring loyalty and recurring care. Aboutthe Opportunity We are looking for a Senior Frontend Engineerto join Henry Schein One. This role will be a key technical leader within the engineering team, responsible for architecting and delivering high-value, complex features in the More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Frontend Engineer (Web & iOS)

London, United Kingdom
Hybrid / WFH Options
Flippy
slow tools. We're a fast-moving, deeply technical team building the future of retail intelligence, one image at a time. The Role We're looking for a Senior Frontend Engineer to help shape and scale the way customers and field teams interact with our platform-across both web and iOS . More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Frontend Software Engineer

London, United Kingdom
PhysicsX Ltd
growing startup, building a platform for Data Scientists and Simulation Engineers to deploy Deep Physics Models. You will be one of a small team of Front-end Engineers, collaborating in a cross-functional team with autonomy to drive implementation decisions. Bring your expertise in building front-end More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer - Frontend

London, South East, England, United Kingdom
Holland & Barrett International Limited
web and mobile. With our major technology transformation nearly complete, we're now focused on building next-generation experiences — and we're looking for a Frontend Engineer ready to help shape that future. You'll contribute to our customer-facing products, developing high-quality, scalable code, working closely with your squad, and supporting junior More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

Remote Senior Frontend Engineer - React (Remote) - Veeva Systems

United Kingdom
Hybrid / WFH Options
Java Script Works
Qualifications: 5+ years of professional experience building scalable and reliable web applications Experience with React or another comparable JavaScript framework Deep understanding of front-end technologies, such as JavaScript, HTML, and CSS Unit test and debugging skills Job Description: Veeva Link seeks a senior level Front End Engineer (React) to participate in architecting and developing innovative web applications. The ideal candidate has an established career, is excited about search, solving complex problems, ownership, and enjoys working with technologies like React, Python, AWS, and Elasticsearch. Requirements: You must be based in the UK More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Frontend Engineer

London, United Kingdom
Hybrid / WFH Options
Vectara
including Instagram , Facebook and Google. Role Overview Given our exciting and progressive growth plans, we are looking for an exceptional SeniorFront-End Engineer to come join our global business. Working collaboratively in a cross-functional product teamwithin a tribe , you will be accountable for designinganddeveloping applications and coordinating with the More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Frontend Engineer - Poland, Remote

London, United Kingdom
Hybrid / WFH Options
Randstad (Schweiz) AG
We currently have a number of remote engineers based in the UK, Germany, Turkey, Poland, Italy, Spain and Portugal. We're looking for an experienced frontend engineer to join the engineering team. You'll be working alongside a highly technical and motivated team and report to one of our Tech Leads. You would be … new features Write technical documentation of code, algorithms and APIs Help in drafting of end-user manuals Identify, evaluate and communicate front-end best practices. Skills Expert level knowledge of TypeScript or JavaScript (ES6), and most common Styling libraries. Strong grasp of the React Framework, relative patterns and … best practices. Good understanding of UI/UX best practices and considerations. Understanding of front-end observability with tools like Sentry, LogRocket, Datadog, or New Relic. Experience with CI/CD pipelines, like Github Actions, ArgoCD. Awareness of common front-end security risks (e.g. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Fullstack Engineer (Front End Focused)

London, United Kingdom
Hybrid / WFH Options
Ebury
a dynamic, high-growth industry. London Office - Hybrid: 4 days in the office, 1 day working from home We are seeking a frontend-focused full-stack engineer to play a crucial part in our Channels Core team. In this role, you will be working on evolving our customer-facing portals for the scale Ebury More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead/Senior Software Engineer, front end

London, United Kingdom
Hybrid / WFH Options
synthesia.io
time. What we're looking for: At least seven (7) years of experience as a software engineer, at least 3 on the senior/lead level. You have experience in a high-performing engineering team that is operating at scale. This could come from a scale-up environment or a more established More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Contract Senior Frontend Engineer New London

London, United Kingdom
Beauty Pie LTD
Pie. So, what will you be doing? This role is ideal for someone with experience leading technical projects or mentoring others but you don't need to have 'Senior' in your title to apply, it's more about the roles and responsibilities you've held. You will be joining our Engineering team as we scale up to deliver … Accelerating the migration of CRM platforms which provides enhanced efficiency in delivering targeted communication to help drive CTR The role: We are looking for a thoughtful engineer who loves creating smart, user-friendly tech. You care about code quality and collaboration and enjoy solving real-world business problems. You've worked in fast-paced More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior/Lead Frontend Web Engineer

London, United Kingdom
Muzz
users globally. You'll work closely with product teams to build and optimise highly responsive, secure, and scalable web applications using the latest in frontend technology. As the Senior Frontend Engineer, you'll guide your team through the development of new interactive features and integrations with backend services using tools like gRPC … new product features for our members Improving performance with investigative work Oversee improvements in our web CI + CD processes Understanding and automating away common problems Work with senior leadership to grow the web team over time and ensure best practises are implemented and scale Requirements NextJS, React Node, Typescript Cypress, Storybook Go, Python Why join Muzz? We More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Frontend Engineer - Remote (EMEA)

United Kingdom
Hybrid / WFH Options
WunderGraph, Inc
a no BS organization so you can get stuff done: look no further and apply today! About the Role We're looking for a dedicated frontend engineer with a strong background in building large-scale React applications-ideally using Next.js, React and Tailwind. In this role, you'll develop and maintain key features on … company retreats and meet-ups, or for jumping onto a call after hours to help your team mates solve an urgent issue. What You Bring to the Team Senior level of proven professional experience as a software developer, with a focus on frontend development in large-scale React applications (preferably using Next.js). Work samples are required, ideally More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Front End Engineer - React in London - VML Enterprise Solutions

London, United Kingdom
WorksHub
/LESS), and TypeScript (as a preprocessor for JavaScript ES6+), adhering to industry coding standards. Proficient in state management with React Query. Responsibilities As a React Engineer, you will be a key architect, owning the end-to-end delivery of high-quality, production-ready React single More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Mid/Senior Frontend Engineer (UK)

London, United Kingdom
Mayday Holdings Limited
time accounting. We're founded by two experienced entrepreneurs: David Tuck , an accountant then CFO by training who founded Chaser; and James Scott-Griffin , a software engineer who was CTO at Idio (now Optimizely) and Rungway. We've had a brilliant first four years. We've built an incredible initial team in the UK … if you aren't - we're looking for great people, so your experience is more valuable than the specifics. About You You're an experienced frontend engineer with multiple years of working in startups; You have a strong, pragmatic problem solving mindset; You're comfortable working both collaboratively and on your own as location More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Frontend Engineer

London, United Kingdom
Isometric
Isometric is the world's most trusted carbon registry . We help Fortune 100 companies tackle climate change and avoid greenwashing. Using our best-in-class verification technology, we issue scientifically rigorous carbon credits-the currency for the $1 trillion More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Sr. Platform Linux (Front End Processor (FEP) Engineer) with Security Clearance

Aurora, Colorado, United States
GeoLogics Corporation
Infrastructure Engineer Onsite Location: Aurora, CO Required: TS/SCI with CI Poly No 1099, No third parties, no C2C, No Visas or Green Cards No exceptions (Sorry) W2 Hourly long-term Contract to Hire Only $65 - $88.00 per hour based on experience and benefits package No C2C, we can NOT work with outside … Poly CLEARANCE IS REQUIRED GeoLogics is seeking a highly qualified, talented Sr. Platform Linux - (Front End Processor (FEP) Engineer) with a TS/SCI w/Poly clearance andexperience in traditional infrastructure design to support our Linux based Front End Processing (FEP) system. The FEP Engineer would be engaged in the design and architecture of the system and will interface both with Program IPT Management as well as team members in Technical Exchange Meetings (TEMs) to help develop the environment from requirements. You will work onsite in Aurora, CO. Qualifications More ❯
Employment Type: Permanent
Salary: USD 88 Hourly
Posted:
Senior Front-End Engineer (Client-Side Engineer)
10th Percentile
£56,250
25th Percentile
£66,250
Median
£77,500
75th Percentile
£88,514
90th Percentile
£105,000