159 web developer jobs found in London

Job Title: Junior Full Stack Java Web Developer (Hybrid Contractor) About ReachX ReachX is at the forefront of the digitalization of financial services and is a leader in the future of work. ReachX services are specifically designed for Institutional Investors, Corporates, and Professional Services Firms. Our tech platform will enable you to access more than 4000 vetted Advisors and connect with more than 500 Institutional Investors active in private markets. Our mission is to make financial services more efficient and generate unique growth opportunities for our Clients, Partners, and Advisors. Examples of our Institutional Investors include Private Equity, VC, and Family offices predominantly based across the UK and Europe, and projects are typically paid on a day rate or through a success or transaction fee. Interim M&A Advisors might also have a background as: Corporate Finance Advisors CFOs and Finance Directors Investment Banking...

Full job description Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient  Web Developer  to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some...

Job Title: Junior Full Stack Java Web Developer (Hybrid Contractor) About ReachX ReachX is at the forefront of the digitalization of financial services and is a leader in the future of work. ReachX services are specifically designed for Institutional Investors, Corporates, and Professional Services Firms. Our tech platform will enable you to access more than 4000 vetted Advisors and connect with more than 500 Institutional Investors active in private markets. Our mission is to make financial services more efficient and generate unique growth opportunities for our Clients, Partners, and Advisors. Examples of our Institutional Investors include Private Equity, VC, and Family offices predominantly based across the UK and Europe, and projects are typically paid on a day rate or through a success or transaction fee. Interim M&A Advisors might also have a background as: Corporate Finance Advisors CFOs and Finance Directors Investment Banking...

In-House Part-Time £20 per Hour Sunny Art Centre is seeking a skilled Freelance Full Stack Developer to join our in-house creative team on a part-time basis. You will be responsible for the development, maintenance, and optimisation of our e-commerce website , working within the existing site architecture while also implementing new designs and functionality. This role involves full responsibility across front-end and back-end development , ensuring that our website remains fast, secure, scalable, and visually polished. Key Responsibilities Develop, maintain, and enhance our WordPress-based e-commerce website Implement new designs across both front-end and back-end Maintain existing plugins and integrate new plugins to improve site functionality Write clean, minimalist, and efficient code to minimise bugs and technical debt Ensure: Website infrastructure Plugins Core...

Remote (During Lockdown) In-House Creative Team 16 Hours per Week £20 per Hour Sunny Art Centre is seeking a highly skilled Part-Time Freelance Front-End Developer to join our in-house creative team as soon as possible (working remotely during lockdown). This role is ideal for an experienced developer with a strong eye for UI/UX design, performance optimisation, and interactive user experience . We require a minimum of 5 years’ professional experience as a Web Developer, UI Developer, JavaScript Expert, or Front-End Engineer across commercial or open-source projects. How to Apply If you believe you are the ideal candidate, please apply with: Your CV Live links to previous web commissions demonstrating your suitability for this role Applications without portfolio links WILL NOT be considered. Links may be included directly in: Your CV, or Your Indeed cover letter section...

£35 per Hour London WC1V In-House 16–24 Hours per Week Sunny Art Centre is seeking a Mid–Senior Full-Stack WordPress Developer to join our in-house creative and technical team on a part-time freelance basis . This role is ideal for an experienced developer who enjoys working in a creative arts environment and wants to take long-term ownership of a high-profile cultural website. You will work from our open-plan gallery and studio space in central London (WC1V) , surrounded by an exceptional collection of Old Master artworks from both Western and Eastern traditions. The Role You will be responsible for the ongoing development, maintenance, performance, security, and scalability of Sunny Art Centre’s official WordPress website. This includes both front-end and back-end development , plugin and theme management, staging workflows, third-party integrations, and performance optimisation. This is a hands-on,...

Description Future Works is searching for a results-driven, AI-Enabled Fullstack Engineer with strong end-to-end experience building custom software solutions. In this role, you will own the development and delivery of scalable, production-grade applications, from architecture through deployment, ensuring solutions are aligned with client requirements and business objectives. Working within an agentic engineering environment, you will collaborate closely with product managers, designers, and stakeholders to translate business goals into robust technical implementations. By leveraging modern AI-assisted development tools, you will increase the speed and quality of delivery while maintaining strong engineering standards and architectural discipline. What You’ll Do Design and build production-grade applications with React and Next.js Translate product and client requirements into structured implementation plans Use AI tools (e.g., Cursor, Claude Code,...

About Fliprly Fliprly is the world’s first and only mobile app dedicated to buying and selling domains, websites, mobile apps, and other digital assets. Our iOS app and web platform are live, and we’re now ready to expand our reach with a robust Android app. Join us on this exciting journey to revolutionize the digital asset marketplace! What We’re Looking For We’re seeking a skilled Android Developer (freelancer or agency) to build the Android version of Fliprly from scratch. You’ll work closely with our existing team and leverage our iOS/web apps as references for functionality and design consistency. Responsibilities Build a high-performance Android app using Java. Translate our iOS design and features into the Android ecosystem. Integrate APIs and backend services (already available). Ensure a smooth, responsive, and bug-free user experience. Requirements Proven experience building Android apps (at least 4 solid live apps). Proficient in...

Python Developer £700 - £800pd   The Python Developer involves enhancing server-side capabilities for Equities Technology, focusing on developing and optimizing Workflow Issuance Tools.   Main Responsibilities:   emagine is a high-end professional services consultancy and solutions firm Specialising in providing business and technology services to the financial services sector, we power progress, solve challenges and deliver real results through tailored high-end consulting services and solutions.   We have created a culture of openness and integrity by building genuine and strong relationships and partnerships, enabling us to be uncompromising in our dedication in delivering the optimal service for our clients. Our commitment is not just towards our clients but we aim to foster a positive and equitable working environment with our consultants and colleagues which stems from our core values: Confident, Dedicated,...

Azure Cloud Developer Contract 3 months + Role type: Contract Location: UK, London, Remote Preferred start date: ASAP LIFE AS A SATALIAN As an organisation, we push the boundaries of data science, optimisation and artificial intelligence to solve the most complex problems in industry. Satalia, a WPP Company, is a community of individuals devoted to working on diverse and challenging projects, allowing you to flex your technical skills whilst working with a tight knit team of high performing colleagues. Led by our founder (who is also WPP’s Chief AI Officer), Satalia’s ambition is to become a decentralised organisation of the future. Today this involves developing tools and processes to liberate and automate manual repetitive tasks, with a focus on freedom, transparency and trust. At the core of our thinking is an approach to wellbeing and inclusivity. We unpack human behaviour and unpick prejudice to ensure a safe and inviting environment. We...

About Fliprly Fliprly is the world’s first and only mobile app dedicated to buying and selling domains, websites, mobile apps, and other digital assets. Our iOS app and web platform are live, and we’re now ready to expand our reach with a robust Android app. Join us on this exciting journey to revolutionize the digital asset marketplace! What We’re Looking For We’re seeking a skilled Android Developer (freelancer or agency) to build the Android version of Fliprly from scratch. You’ll work closely with our existing team and leverage our iOS/web apps as references for functionality and design consistency. Responsibilities Build a high-performance Android app using Java. Translate our iOS design and features into the Android ecosystem. Integrate APIs and backend services (already available). Ensure a smooth, responsive, and bug-free user experience. Requirements Proven experience building Android apps...

Essential Skills & Experience: · Proven experience in UI/UX design for self-service platforms or similar digital products. · Proficiency in design tools such as Figma, Adobe XD, or Sketch. Strong knowledge of responsive design principles and web/mobile best practices. · Experience conducting user research and usability testing to drive design improvements. · Familiarity with accessibility standards (e.g., WCAG 2.1) and inclusive design principles. · Ability to work in an Agile environment, delivering iterative design solutions in collaboration with cross-functional teams. · Excellent communication skills to articulate design decisions and gather stakeholder feedback effectively Familiarity with GDS Service Standards and the Digital Service Assessment process Work with clients to design and develop digital services that are user-friendly, accessible, and compliant with GDS standards. Lead the development of service blueprints, user journeys, and wireframes. Advise...

About Fliprly Fliprly is the world’s first and only mobile app dedicated to buying and selling domains, websites, mobile apps, and other digital assets. Our iOS app and web platform are live, and we’re now ready to expand our reach with a robust Android app. Join us on this exciting journey to revolutionize the digital asset marketplace! What We’re Looking For We’re seeking a skilled Android Developer (freelancer or agency) to build the Android version of Fliprly from scratch. You’ll work closely with our existing team and leverage our iOS/web apps as references for functionality and design consistency. Responsibilities Build a high-performance Android app using Java. Translate our iOS design and features into the Android ecosystem. Integrate APIs and backend services (already available). Ensure a smooth, responsive, and bug-free user experience. Requirements Proven experience building Android apps...

Essential Skills & Experience: · Proven experience in UI/UX design for self-service platforms or similar digital products. · Proficiency in design tools such as Figma, Adobe XD, or Sketch. Strong knowledge of responsive design principles and web/mobile best practices. · Experience conducting user research and usability testing to drive design improvements. · Familiarity with accessibility standards (e.g., WCAG 2.1) and inclusive design principles. · Ability to work in an Agile environment, delivering iterative design solutions in collaboration with cross-functional teams. · Excellent communication skills to articulate design decisions and gather stakeholder feedback effectively Familiarity with GDS Service Standards and the Digital Service Assessment process Work with clients to design and develop digital services that are user-friendly, accessible, and compliant with GDS standards. Lead the development of service blueprints, user journeys, and wireframes. Advise...

Location: The role is based remotely with occasional travel to London.   Daily rate: £400 outside IR35   Duration: Initial 6 months   ***please note***: must have active SC clearance   The Back End Developer will have the following responsibilities:   Design, develop, and maintain Back End systems and services using Java. Collaborate with Front End developers and other cross-functional teams to deliver seamless and scalable solutions. Write clean, maintainable, and well-tested code following industry best practices and web standards. Troubleshoot and resolve complex technical issues related to Back End systems. Participate in code reviews and contribute to the continuous improvement of development processes. Ensure high-performance and reliability of Back End services through proper architecture and testing. Leverage Azure services to optimize cloud-based solutions (if applicable)....

iOS Engineer - Contract (Outside of IR35) As an iOS Developer, you will have the opportunity to build and lead solutions that engage millions of sports fans worldwide. Working with a wide range of data sources and native technologies, building bespoke UI experiences for sports fans. At Pulselive, we pride ourselves in providing a collaborative environment that ensures we produce leading products across web and native applications. Contractor Outside of IR35 Day Rate: £400 - £500 per day   Responsibilities Being a self-sufficient individual contributor, breaking down work into manageable pieces, calling out blockers and dependencies and delivering solution in a timely manner Managing code releases to internal environments (dev, test); may also need to manage code release to external environments (production) Producing code to a high standard that not only functions correctly but...

Kato is a fast growing PropTech (property tech) company. Backed by industry-leading VCs, investors, entrepreneurs and advisors, we’re on an exciting path with a mission to change the future of commercial property. We’re doing this through our ever-evolving all-in-one online platform built for everyone involved in commercial property transactions, plus a whole lot of industry data. We’re only just getting started, and we’re looking for dynamic, confident individuals to expand our brilliant team and join us on the journey! Role overview We're looking for a Senior DevOps Engineer to join us on an initial 3-6 month contract basis. You'll be our go-to person for all things infrastructure; owning our AWS environment, keeping things running smoothly, and helping us level up how we build and ship software. Right now, we're at a point where we need someone who can take what we've got and make it better: tighter CI/CD pipelines, cleaner infrastructure-as-code, and a real push...

Job Type Contractor Build a brilliant future with Hiscox This role is offered as a day‑rate contract (Inside IR35) or a 12‑month FTC, for candidates available immediately or at short notice. About Hiscox UK Hiscox UK is a leading brand in the insurance market, recognised as setting the standards others try to emulate. We consistently deliver strong growth and exceptional returns, recruiting only the very best and empowering them to deliver. We are known for insuring the homes of the rich and famous through to the most innovative technology companies. Our customers are diverse and unique and are only united by our ability to provide specialist insurance tailored to their needs. The Role We’re looking for a thoughtful and collaborative UX/UI Designer to help shape intuitive, user-centred experiences across our direct-to-consumer digital products. You’ll work closely with a Senior UX Designer and cross-functional teams to bring ideas to life and...

Senior Business Analyst with eCommerce experience required to join our Delivery team here in the UK, please note we offer Hybrid working. Working under your own initiative with required guidance and support, a Senior Business Analyst with proven experience you will be part of the Business Analysis team and expected to take the initiative in ensuring the business needs of our client are fully documented, understood and met by the proposed solution. This is a contract role based in London. What you'll get to do: Gather and document requirements and translate them into clear user stories and acceptance criteria that can be used and interpreted by both business and technical users. This will involve planning, running and facilitating workshops, reviewing and assessing source documentation from the customer Manage, guide and support other BAs on your project or in the wider team Identify and recommend options for potential solutions and assess them for both technical and...

We are seeking an experienced Application Support professional to support a Derivatives team. The role focuses on ensuring trade accuracy, completeness, and operational continuity across front-to-back systems, covering both cleared and bilateral products. Application Support Consultant- Derivatives Operations London (Hybrid) x1/2 Days On Site £400- £500 emagine is a high-end professional services consultancy and solutions firm specialising in providing business and technology services to the financial services sector, we power progress, solve challenges and deliver real results through tailored high-end consulting services and solutions. We have created a culture of openness and integrity by building genuine and strong relationships and partnerships, enabling us to be uncompromising in our dedication in delivering the optimal service for our clients. Our commitment is not just towards our clients but we aim to foster a...