8 of 8 Part-Time Front-End Developer (Client-Side Developer) Jobs in Central London

Product Engineer - React & TypeScript, some Python - AI video editing - 90-110k We're helping a AI company in the entertainment space hire a front end leaning fullstack engineer. You'll be working with a talented More ❯

Senior Frontend Developer (React) Series A GenAI Security Scale-up Salary: 120,000 - 135,000 (DOE) + equity + benefits Hybrid: 2 days/week in Central London office (Kings Cross/Covent Garden area) A Series A, high-growth cybersecurity scale-up (~40 employees) is looking for a Senior React Engineer to join their mission … of helping companies adopt Generative AI safely and securely. They are building a developer-first platform that enables data protection without complexity - redefining security for the GenAI era. This is a rare chance to join at a pivotal time as they scale their infrastructure across regions, including a full US AWS deployment. You'll be joining More ❯

Are you an experienced Frontend Developer looking for a new challenge and to work for an AI startup with an important mission? Senior Frontend Developer AI Data Security Location : Hybrid working 1-3 days a week in central London (Kings Cross) Salary : up to 140,000 + bonus + equity We are … exciting time to join the team as they are growing across multiple areas of the business, having just secured over 17mil in funding. As a Senior Frontend Developer, you will: Have 6+ years experience as a Frontend Software Engineer Experience developing with: React, Typescript, HTML, CSS A desire to be part of an important mission Be … illness cover If you enjoy a flexible culture with the ability to work from home a few days a week, apply now for this unmissable Senior Frontend Developer opportunity now! Please note : Due to compliancy reasons, we will only be able to consider applications based in and eligible to work in the UK. More ❯

plus bonus Harrington Starr has partnered up with a Global Investment Bank in the City of London who are looking to hire a Senior UI Trading Software Developer to work in a Front Office environment with Traders, Quants and Portfolio Managers within a Front Office Trading Floor. This is a high profile … role for a Multi Asset Trading Team within a Front Office environment. As the Senior Trading UI Developer, you will have extensive experience of working with the JavaScript Framework including ES7 and HTML and CSS. You will be working directly with Portfolio Managers, Sales Traders and Quants and end users where you More ❯

Senior Frontend Developer This is an office based role requiring 5 days per week in their new London office. La Fosse are partnering with a market leader within the energy & trading sector, with a strong presence across oil & gas, renewables, power and carbon. They're in the market for a Senior Frontend Developer More ❯

Frontend Developer - (Fully Remote - UK) Frontend Developer Fully Remote (UK) + 40 days' Annual leave Up to 60,000 p/a + Equity Typescript + Vue preferred (open to other frontend frameworks) I am working with an exciting startup in the Payments Reconciliation space who already have product market fit and … are continuing to generate strong revenue after securing strong funding and valuable partnerships. They are looking for a Frontend Developer, specialising in Typescript and Vue, but open to cross-training from other frameworks. The ideal candidate would have a solid understanding of best engineering and design practices and experience working with international users as this business … continues to scale and internationalise. What will I be doing as a Frontend Developer? Delivering client-requested greenfield features developed in collaboration with product teams Continuing to scale the platform, opening it up to internationalisation as their customer numbers continue to grow Collaborating closely with internal engineering, product and design teams as well as More ❯

Frontend Engineer React and Typescript Hybrid 1-2 days onsite 6-month initial contract Were looking for a Front-End Engineer to join the DAX Ad Platform team, helping to build scalable, modular user interfaces within a modern React-based environment. Youll play a key role in migrating features from a legacy platform to a new … ensuring performance, consistency, and maintainability across the product. What Youll Do Contribute to the migration of legacy features into the new micro-frontend platform Build and maintain front-end features using a React + TypeScript stack Utilise and extend an internal component library to ensure consistency and scalability Implement complex form handling and validation using Formik … and Yup Integrate with GraphQL APIs via Apollo Client, and occasionally consume REST endpoints Manage client-side state efficiently and ensure smooth data flows Collaborate cross-functionally with designers, product managers, and engineers to deliver cohesive and accessible UI experiences Write unit tests and contribute to automated testing strategies using Vite and React Testing More ❯

Full Stack Developer Contract Hybrid 600-700/pd Inside IR35 6 months Im working with a consultancy who are looking to hire a Full Stack Developer (SC Cleared) on a contract basis for an initial 6-month assignment. The role is hybrid with flexibility on location. Skills required: React-heavy development …/experience Strong full stack development and problem-solving skills Active SC Clearance This role has a short interview process with immediate start dates available. Full Stack Developer Contract Hybrid 600-700/pd Inside IR35 6 months More ❯