80 Best javascript developer Jobs in , London (July 2025)

Are you looking to kick-start a new career as a web developer? We are recruiting for companies who are looking to employ our Coding Traineeship graduates to keep up with their growth. The best part is you will not need any previous experience as full training will be provided. You will also have the reassurance of a job guarantee (£25K-£45K) within 20 miles of your location upon completion. Whether you are working full time, part-time or unemployed, this package has the flexibility to be completed at a pace that suits you. The traineeship is completed in 3 easy steps. Step 1 - Front End Coding Complete a selection of professional and industry-recognised coding courses covering HTML, CSS and Javascript. Step 2 - Back End Coding + Practical Projects You will be studying all the relevant back end coding languages and gaining skills that will qualify you as a fully-fledged web developer. Step 2 is heavily focused on the practical element of learning. Step 3 - Building your portfolio The final step will be to build your own portfolio website. The portfolio plays a key part in the hiring process as it gives the employer a real insight into your level of ability, creativity and personality. Your Web Developer Role Once you have completed all of the mandatory training, we will place you into a Web Development/Software Development role, where you will be guaranteed a 25k-40k salary. We have partnered with a number of large organisations strategically located throughout the UK, providing a nationwide reach of jobs for our candidates. At a one off cost of £1499, or a deposit of £212 followed by 10 interest free monthly instalments of £148, this represents a great opportunity to start a rewarding career in IT and have a real career ladder to start climbing. If you are not offered a role at the end of the training we will refund 100% of your course fees. Apply now and one of our friendly advisors will be in touch.

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Junior Software developer

Software Developer, IT

Hi, I’m Christina V., a graduate web developer in front-end and back-end development, UX/UI design, and e-commerce solutions. Skilled in website architecture, responsive design, Have strong skills in HTML, CSS, Bootstrap, JavaScript, PHP, MySQL, LOCALHOST, POSTMAN, GitHub, and API making. Currently looking for opportunities in the industry. I'm a team player. I love good organisation, and I love to see a project through to completion. and a life running. I invite you to look at my product that I am working on now

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MLO GROUP

Web Developer - 🇬🇧🇪🇸 ( JUST4COVERS )

JUST4COVERS, the new personalized phone case brand launching in September 2025, is looking for a bilingual (English-Spanish) Web Developer to join the project from its early stages. This initiative is part of MLO GROUP, an international ecosystem with offices in Madrid, Manchester, and Dubai that drives young, creative brands with clear global ambitions. The selected candidate will play a key role in building our eCommerce platform — from designing the digital experience to implementing the technical solution. They will work closely with branding, design, marketing, and technology teams within the group. Responsibilities: Design, develop, and maintain the official JUST4COVERS website. Build a fast, intuitive, and responsive user experience. Implement real-time product personalization tools. Efficiently integrate payment gateways, CRM, and logistics systems. Ensure technical performance, security, scalability, and technical SEO. Participate in strategic decisions regarding architecture and digital experience. Requirements: Minimum 2 years experience as a web developer. Proficient in HTML, CSS, JavaScript, and modern frameworks (React, Vue, Next.js, etc.). Knowledge of eCommerce platforms (Shopify, WooCommerce, or headless solutions). Fluent in English and Spanish (minimum C1 level in both). Ability to work independently and in a team. Experience in UI/UX design and SEO is a plus. What we offer: Join the founding team with creative freedom and international growth opportunities. Work remotely or from our offices in Madrid, Manchester, or Dubai. Competitive salary approx. €30,000 - €38,000 gross per year, negotiable based on experience and contribution. Exclusive discounts across all MLO GROUP brands. 24/7 support for health and labor emergencies. A young, international, dynamic, and innovation-focused environment.

We are looking for an ambitious web developer to lead digital change throughout our organisation to significantly improve our content and ecommerce platforms. We are an SME experiencing high digital growth and need the systems to continue that journey. The ideal candidate will be a self-starter also capable of leading external resources to manage and deliver end-to end projects. Knowledge and experience of Shopify, Wordpress and Chargebee is ideal. Key Responsibilities & Accountabilities: Design, develop, and implement a highly responsive, scalable company website. Ensure seamless functionality across various web browsers and platforms. Build and maintain the backend infrastructure to support front-end functionalities and ensure efficient data integration. Collaborate with colleagues to design and implement new website features and enhancements. Identify and resolve technical issues to maintain website stability and performance. Monitor and improve front-end and back-end performance for efficiency and scalability. Manage all website deployments and updates, ensuring smooth rollouts. Contribute to technical strategy and development efforts across the company. Maintain and update technical documentation for internal use. Requirements: Proven expertise in front-end and back-end development, ideally within an e-commerce environment. Experience working on enterprise-scale digital platforms. Strong understanding of UI/UX best practices and ability to implement them effectively. Proficiency in JavaScript, HTML, and front-end frameworks (e.g., React, JavaScript, jQuery). Backend experience, including server configurations and data integration from databases such as MSSQL and PostgreSQL. Experience developing and integrating APIs to support web applications and third-party services. Hands-on experience in developing UIs with real-time updates. Experience with Shopify, WordPress and React is desirable. What Rouleur offer: Opportunity to assert your skill set and have a profound impact on the growth of a small business. 25 days holiday (excluding bank holidays) About Rouleur Rouleur is an independent publication that prides itself on a progressive stance toward cycling - a small team that has grown substantially with huge opportunities for growth across different areas of the business. The successful candidate will have the chance to help shape the vision of how Rouleur becomes a more digital and more international brand. With world-class content at the heart of all of our marketing, e-commerce and commercial offerings, we encourage creativity across the entire business, and expect staff to help bring unique ideas, experiences and insights into every aspect of what we do.

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AlgoRisk AI

Software Engineer and developer

we are building AlgoRisk AI – a next-generation platform that uses AI to transform how banks develop and govern financial models. We’re currently working on a number of projects across using GPT-4, React, Supabase, and modern LLM tools. This is a confidential, real-world project (not open-source). I’m inviting a small group of motivated contributors to work with me as unpaid interns or collaborators. What You’ll Gain: • Official Certificate of Contribution (AlgoRisk AI) • Mentorship from a fintech founder • Hands-on experience with real-world AI tooling • Strong reference or letter for future roles • Chance for future paid work post-MVP ⸻ Key Skills Needed (any 2–3 of these is enough): • React / Next.js (Frontend) • Supabase (Database + Auth) • OpenAI API (GPT-4/4o chat completion) • JavaScript or TypeScript • CodeMirror or Monaco Editor • Python / FastAPI (nice to have) • GitHub + version control • Curiosity to learn and build fast ⸻ Commitment: • Remote, flexible hours (20-30 hrs/week) • 3–5 weeks (initial phase) • Start immediately ⸻ How to Apply: DM us with: • Your name and country • LinkedIn or GitHub profile • A short sentence on why you’re interested Let’s build something impactful together.

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