JavaScript Developer jobs in City of Westminster

React Native Developer - Hybrid - Outside IR35 | React Native | FinTech | JavaScript | TypeScript You could be just the right applicant for this job Read all associated information and make sure to apply. We're working with a fast-growing FinTech in London that's building next-generation mobile products used by thousands of customers daily. They're looking for an experienced React Native...

Position: Front End JavaScript Developer Apply now, read the job details by scrolling down Double check you have the necessary skills before sending an application. Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date: ASAP Purpose of the role: As a...

Greenpixie, a Climate-Tech Company, working on our cutting-edge software products. Location: Hybrid (2+ days per week in our Central London office) Employment Type: Full-TimeSalary Range: £50 - 70k p.a. dependent on experience. 0.1% - 0.25% share options available. The ideal candidate will have strong hands-on experience with modern web frameworks (ReactJS, Python, AWS) & APIs, as well as a...

Job Types: Full-time, Permanent Are you the right applicant for this opportunity Find out by reading through the role overview below. Work Location: Remote (UK-based only) Salary: £55,000 depending on experience About Us Asseticom is a dynamic software company specialising in asset management data capture solutions for the built environment. Our platform empowers global engineering...

Software Engineer – PHP & Golang Apply fast, check the full description by scrolling below to find out the full requirements for this role. Fully Remote – Within UK PHP / Golang / JavaScript £60,000-£65,000 I've recently partnered with a leading Prop-Tech business in London who are looking to add a Software Engineer to their team who specialises in PHP & Golang! The company have seen rapid...

6 month rolling contract - Inside IR35 - Investment Banking All potential applicants are encouraged to scroll through and read the complete job description before applying. Key Responsibilities · Participate in an agile based software development life-cycle including technical analysis, documentation, development, testing and code reviews. · Collaborate with the production support team for...

Software Developer (Web & Internal Tools) Please read the information in this job post thoroughly to understand exactly what is expected of potential candidates. Remote-first | UK-based up to £50,000 PA Dependent on experience We're supporting a well established UK adventure business that has recently brought its website development in-house and is now modernising internal systems and...

About Webigence and Spark Travel Skills, Experience, Qualifications, If you have the right match for this opportunity, then make sure to apply today. Webigence has 25 years of experience crafting UX‐first, often highly complex software. Our engineers pair forward‐thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic...

Job Description What you'll do · Design and implement high-quality, reusable, and scalable features in React Native for both SDK and Mobile Application layers. · Help facilitate the complete lifecycle of the mobile application, applying React Native for both iOS and Android platforms · Develop and maintain a React Native-based SDK and Mobile Applications to be used by external teams, with an...

*Please note this is a training programme with career placement and fees apply* If you are looking to progress a career in computer programming or web development, then this training and placement programme is made for you? Skills shortages in the IT sector are driving the need for qualified, entry-level career seekers and career changers. All you need is a desire to work hard and invest some...

About Locai Labs The following information provides an overview of the skills, qualities, and qualifications needed for this role. Locai Labs is The British Foundational AI Company, based in Paddington, London. We are dedicated to building world-class large language models at the forefront of cost, efficiency, and capability. Our mission is to advance cutting-edge AI from within the UK by...

- Head of Engineering - £110,000–£130,000 + EMI Options - London (mostly onsite) We're partnering with a purpose-led London fintech scaleup solving real-world financial challenges through smart, accessible technology. With solid backing, strong user traction, and a mission that's resonating across the UK, this is a company on the rise. You'll join at a pivotal moment, with the chance to...

Lead Engineer, Shopify (Scaling DTC Brand) Do you have the right skills and experience for this role Read on to find out, and make your application. Salary: Up to £100,000 base Location: UK-based, ideally London (flexible) One of the UK's fastest-growing, multi-million-pound consumer brands is hiring a hands-on Lead Engineer to own and scale its Shopify eCommerce platform. This is a senior,...

Front End Engineer / Developer (TypeScript React Native AI) London / WFH to £80k Ready to apply Before you do, make sure to read all the details pertaining to this job in the description below. Want to work on intellectually and technically challenging AI systems at the cutting edge of what is possible, whilst learning and collaborating with an amazing team and enjoying flexible working and a...

About Euphoric: Take the next step in your career now, scroll down to read the full role description and make your application. Euphoric builds AI-first employee benefits administration software for the world's largest and most prestigious employers. Born out of Peppy Health — a fast-growing, category-defining Series B startup — we spun out in May 2025 to tackle a far bigger...

Department Tech Scroll down to find an indepth overview of this job, and what is expected of candidates Make an application by clicking on the Apply button. Employment Type Full-time, London Office Attendance Expectation Hybrid About the role At &Dine, we're building a community of foodies, connecting authentic and talented food makers to customers who are hungry for better food...

About Us: Are you the right candidate for this opportunity Make sure to read the full description below. We're a VC-backed stealth-mode company building behavioural AI solutions for the retail industry. Our platform is designed from the ground up — no legacy, no patchwork systems — just a clean slate and a clear vision. Our mission is to bring the intelligence of modern machine learning...

About us At Diligent, we are on a mission to help fintechs and banks automate and enhance Anti-Money Laundering operations with AI agents. Leading banks and payment companies use us to automate risk investigations they run when onboarding and monitoring business customers in Europe, Middle East, USA and Asia. Make sure to read the full description below, and please apply immediately if you are...

Accelerant is building a new platform that will serve as the backbone of how risk is exchanged in the future. The Product & Technology team is looking for a Full Stack Software Engineer who is passionate about building high quality software systems that are valued by customers. Experience, qualification, and soft skills, have you got everything required to succeed in this opportunity Find out...

What you'll do· Design and implement high-quality, reusable, and scalable features in React Native for both SDK and Mobile Application layers. Find out exactly what skills, experience, and qualifications you will need to succeed in this role before applying below.· Help facilitate the complete lifecycle of the mobile application, applying React Native for both iOS and Android platforms· Develop...