1 to 25 of 59 Permanent Senior Front End Developer (Client-Side Developer) Jobs in London

resource more effectively, to get to better decisions with higher confidence, more quickly. Job purpose We're currently looking to hire a Senior Frontend Engineer to be part of a smart, motivated, and cross-functional agile unit contributing towards the design, code, testing and implementation of more »

growing and for this we need bright minds with creativity and flexibility – what talent do you have? OBJECTIVES/PURPOSE As a Front End Web Developer in our commercial organization at Takeda UK and … team Stakeholder Engagement : Engage relevant stakeholders across the MCO to refine requirements and actively manage expectations regarding technical feasibility and delivery timeframes Front End Development : Develop and maintain high-quality, responsive web applications and interfaces using HTML, CSS, and JavaScript in line … Optimization : Implement best practices for web performance optimization to ensure fast page load times and smooth user interactions. Content Management Integration : Integrate front end code with content management systems (CMS), particularly Drupal, to facilitate seamless content updates and management. Collaboration : Work closely more »

Full Stack Developer - React.JS - Python - Rest API - SQL - 6 Months - Paying up to £615 (Inside IR35) - Hybrid As a Full-Stack Engineer you will collaborate with a cross functional team to design and develop systems that operate on a wide range of … Responsibilities: Develop and maintain responsive, user-friendly web applications using React JS. Design, develop, and implement RESTful APIs for seamless integration between front-end and back-end systems. Collaborate with cross-functional teams to gather and understand requirements … performance, reliability, and scalability of applications and APIs through thorough testing and optimization. Troubleshoot and debug issues across the entire stack, from front-end to back-end. Requirements: Proven experience working as a Full Stack Engineer, with a focus on React JS more »

an international digital company, seeking a .Net Developer with experience of c# .NET and front-end technologies. Adhering to the highest quality standards, the internationally based company is willing to offer a great salary … the needs of customers and stakeholders. You will bring commercial of experience of C# and .Net paired with a strong knowledge of front end Development. With proven UI and UX experience, you will be able to communicate effectively with internal and external … customers and with both non-technical and other technical individuals. Additional experience with testing, test automation, QA and back-end technologies like SQL Server will be a beneficial. Leading the future of its industry, this role is suitable for a professional .Net Developer more »

and ultimately deliver valuable, high quality software to our customers. What you'll be doing Building clean, maintainable features and resolvingend-to-end issues with an understanding of different possible approaches, to ensure that we are delivering great outcomes to our customers as effectively as we … technologies and identify and implement opportunities to incorporate those into the application as appropriate. Sharing your research and learning in developer forums. Helping your team to ensure that all customers and stakeholders are treated fairly in line with Legal & General’s principles more »

Mid Level Front End Developer - Javascript - React - Next.js🚨 🎯London/Hybrid X1 Week London Office🎯 🚃 Zone 1 🚃 💷up to £60k + Benefits 💷 🔥Hugely Successful Well Known Analytics company based in London, who work with … and high profile brands engaging over 230 Million Global Consumers on their website a month are looking for a Mid Level Javascript Front End Developer. Lot's of multiple greenfield projects on offer utilising cutting edge tools, whilst adopting the right tools … for the job mentality. You will work on multiple high performance websites and will have excellent exposure to learn from Senior Members. Fully Remote interview process 👨‍💻Role Develop and test new user-facing features, and support existing ones, across multiple browsers, platforms, and devices Build reusable more »

A new opportunity has come through for a confidential client. As a senior frontend engineer the successful candidate will play a leading role to help design and deliver a programme of work that will deploy and share demos and dashboards that underpin online services to help more »

to work a hybrid module of 2 days a week in their London office. They are looking for a Frontend Developer to will collaborate closely with their multidisciplinary team to create world class user experiences. The ideal candidate would come from a more »

🔍 About A leading SaaS platform is looking for their next Mid-level Frontend Engineer to join their team. They are committed to delivering innovative and user-centric digital solutions that enhance other customers' experience. Th team is driven by a more »

We are currently partnered with a global media business looking to add multiple Front-end developers to their team based in London, due to winning a new project! They're looking for passionate and curious engineers to help build new features and more »

I'm in need of a Front End Developer with expertise in utilizing the latest features of Next.js, particularly the App Router . The ideal candidate will possess a strong understanding of CSS, TypeScript more »

Front-End Developer A brand new urgent contract requirement has just arisen for a Front-End Developer with … end knowledge to join a nationally recognised, award-winning charity based remotely! This initial 4-month Front-End Developer role will be integral to some of the charity … upcoming. This is an amazing opportunity to have such a huge impact on a very a worthwhile organisation! Skills required for the Front-End Developer are: - Strong Front-End more »

Senior Frontend Developer | £85,000 + Bonus (Hybrid - London) | React/React Native 💻 Senior FrontEnd Developer 💰 Up to £85,000 p/a + Bonus 🌍 18m+ … increase their product portfolio, and enhance their international expansion. That’s where you come in! 💼 The Role: We are looking for a Senior FrontEnd Developer, specialising in React, React Native and TypeScript, to be a part of a … brand new team in the business. You will be front and center to their exciting transformation to increase their success on the global stage. This project would see you working on a business-critical expansion into a key strategic market. You would be working on a more »

Position: Front End Developer for a new well-funded travel AI company Salary: £65k-75k with high growth potential, including equity incentives Holiwise is excited to announce an opportunity for a talented Front End Developer to join our fast-growing team. This is an opportunity to work closely with the founding team, in an environment that will provide you with significant growth and leadership opportunities as the … are partnering with a team of investors and industry professionals, including a trusted advisor with over 40 years of experience and various senior leadership positions in the travel industry. Key Responsibilities: Collaborate with back-end developers to architect and troubleshoot robust solutions more »

Futureheads have an exciting opportunity for a Senior Front End Engineer to join a leader within the world of compliance as they expand to reach new highs. In this role, you will work as part of their amazing … product team, modernising their SaaS platform. Their current SaaS platform provides end to end solutions to their clients across a range of solutions. Role focus: Adding to and maintaining the design system Writing JavaScript/Typescript Writing unit and feature tests Integrating … front end components to work with APIs Promoting culture of quality amongst the engineering team To be considered you will need to be able to display the following: A deep understanding of JavaScript concepts Proficiency in a modern JavaScript framework (preferably Vue more »

Job Title: Frontend Developer - Energy Trading Platform Company Overview: Join our innovative team at the forefront of energy trading technology. We specialize in providing intuitive, high-performance solutions for some of the largest energy companies globally. Our platform empowers traders with real … research, and trading capabilities, revolutionizing the industry. Location: On-site - London based Role Description: We are seeking a talented Frontend Developer to contribute to the evolution of our energy trading platform. You will collaborate closely with our sales, product, and engineering teams … with the latest frontend technologies and trends, actively engaging with the open-source community. Requirements: 2-5 years of frontend developer experience, with some background in design. Proficiency in React and TypeScript/JavaScript. Experience with data visualization tools and frameworks (e.g. more »

retail/ecommerce company based in the heart of London, our client is looking to recruit a talented Front End Developer with experience of either Big Commerce or shopify to … team and play a crucial role in the development and maintenance of their web applications. If you are a passionate Developer with experience in ecommerce technologies such as shopify or BigCommerce, React, TypeScript, and Javascript, HTML, CSS and are eager to contribute … to-date with industry trends and advancements, and actively contribute ideas to enhance the overall development process. Requirements: Proven experience as a Front End Developer or similar role in a retail/ecommerce environment. more »

London. We have gone from strength to strength since our inception in 2014 and we are now looking for another ambitious Junior Front End Developer to join our growing team. Some of our best … junior and have now progressed to become seniors and leading figures within the team. We are looking for a junior developer who is eager to follow that trend. Whilst some previous commercial experience is advantageous, it is not required. Instead, we’re … commercial, freelance or test projects to showcase your ability to learn and progress. In this role, you will work closely with other Front and Back End WordPress Web Developers and will report directly to our Technical Director. You should be confident and more »

Frontend Engineer Salary - £45-65k Plus Bonus & Benefits Location - London, Hybrid (twice a month in the office) Sector: Green Energy Tech : Vue.js, React.js, JavaScript, HTML, CSS, TDD, BDD Please note: sponsorship is not available for this role We are more »

Software engineers would you be interested in joining a fast-paced AI start-up comprised of former META, DeepMind, AWS & Microsoft Research Scientists in London? You can expect to: Develop and scale web applications Solve common pain points for professionals more »

Derivatives brokerage in the shipping and maritime industry is looking for a talented Frontend Developer to join the team building their next-gen … trading platform. As part of a small, close-knit team, you’ll have the opportunity to work alongside and learn from experienced senior software engineers, responsible for end-to-end projects and full lifecycle development. Your role will more »

Diving into and utilising the latest tech across software (frontend and backend) and data - trying new things around every corner! Own the end-to-end design, development, and implementation of the latest product features on their cloud-based platform (GCP) - beautiful frontend more »

Front-end Developer (TypeScript, React.js) Salary: £50,000-65,000 Location: Shoreditch office (Tuesdays and Fridays in office for London based people). Fully remote for EU based. Front-end … best holiday homes, to remove the intolerability and unreliability of decision making when choosing your travel accommodation? You should be a competent Front-end Developer who enjoys working with TypeScript and React.js, as well … as wanting to self-develop. As a Front-end Developer, you will get a lot of responsibility and work on super interesting projects, while working alongside engineers who are passionate and embrace fast moving more »

the solution design and development of our digital products. Ensure code meets the requirements and is in accordance with our architectural and front-end coding standards and patterns. Optimising applications using best practices for performance. Propose any upgrades and updates necessary for … days per week onsite in the client’s London office. Qualifications You will have an extensive background in front-end development with significant experience working with React with TypeScript Experience in Redux or Zustand Experience in React Query … Experienced with Jest for Unit Testing Should be able to demonstrate a strong core front-end skillset of HTML 5, CSS 3, JavaScript and TypeScript Experience working within the Financial industry Experience in Crypto Experience in AG Grid This is a hybrid more »

About the job We are looking for an experienced Front-End Engineer with great communication skills and a sense for aesthetics. You will build and maintain our apps, websites and the UI of our products, and help to create the world’s … researchers and content designers to pave the road towards a superb product. Your responsibilities will include: Building and maintaining our web applications' front-end Maintaining clean, testable and robust architectures Working closely with the product team to make sure our users are more »