20 web developer jobs found in London

About the Role We are looking for a tech-savvy Data & Automation Specialist who can help connect data infrastructure with media performance. You will work alongside our Data Science and Engineering teams to help build and maintain data-driven tools that automate and optimise media campaigns across major platforms. This is a hands-on, execution-focused role perfect for someone who loves SQL, data extraction, and using the latest AI tools to speed up workflows. Key Responsibilities Pull and analyze data from relational databases using SQL to see how media campaigns and algorithms are performing. Help implement and support automated, ML-driven tools designed to optimize media spend across ad platforms. Use agentic AI tools (like Claude Code) to help query codebases and automate routine technical tasks. Help turn business requests into clear technical documentation, system specs, and user stories for the engineering team. Work daily with Data...

Urgent Contract: Technical Contractor for ARIA Scaling Compute programme (AI System Simulation) Start date: i mmediate/July 2026 Location: London; Tues - Thurs (3 days) at HQ, Monday + Friday, anywhere Duration: 6 months Closing Date: 05.07.26   Please send your application to: isabella.roberts@aria.org.uk     We have an urgent, 6 month requirement for a T echnical Contractor to join ARIA’s Scaling Compute programme team to support a critical phase of the programme’s operations.   Backed by nearly £100m, This programme aims to open up new vectors of progress seeking to bring the cost of AI hardware down by >1000x.   We are seeking an elite software-hardware co-design engineer to rapidly stand up and scale ARIA’s AI simulation capabilities. This is a critical infrastructure initiative; you will be expected to take immediate ownership of the environment and...

On behalf of The Department for Transport, we are looking for a Project Manager (Inside IR35) for a 6 Month  contract based in any DfT Hub (2 days per week in office) . Transport matters and what we do at the Department for Transport matters. Click here here to find out more about working for DfT and its agencies. We are different people, one team. As a  Project Manager in Active Travel England , your main responsibilities will be: Work with investments, inspectorate, strategy and other relevant teams to develop and deliver expansions to the active travel schools programme and/or behaviour change innovation fund, including but not limited to:- Develop and submit initiation documents and business cases, develop delivery plans, manage nominated delivery partners, envisaged to be local authorities, contractors, charities, Government Grants Managed Service (GGMS) and/or Connected Places Catapult (CPC)- Manage development of any required guidance, tools,...

On behalf of Homes England, we are looking for a Business Analyst (Inside IR35) for a 6 Month  contract based REMOTELY . Homes England, the government's housing and regeneration agency, plays a central role in tackling the housing challenges the country now faces. We have the appetite, influence, expertise , and resource to drive positive market change, and our mission is to ensure more homes are built in areas of greatest need, improve affordability and create a sustainable housing market. Following the publication of the government's Levelling Up White Paper, Homes England has also been tasked with a core role in spearheading regeneration, partnering with places to reduce economic disparity, empower local leaders and create equal opportunities across the country to ensure communities reach their full potential. As a Business Analyst , your main responsibilities will be: Develop and articulate a detailed understanding of the Homes England 's business...

On behalf of The Ministry of Justice, we are looking for a 3 Senior Business Analysts Inside IR35  for a 12 and 6 months contract based Hybrid 2 days in the local office, 3 days at home, in your closest MOJ location. The Ministry of Justice (MoJ) priorities include improving public safety and reducing reoffending by reforming prisons, probation and youth justice, and building a justice system which makes access to justice swifter and more certain for all citizens whatever their background. Project professionals in the MoJ help to improve the government's ability to protect the public and reduce reoffending, and to provide a more effective, transparent and responsive criminal justice system for victims and the public. The Effective Proposal Framework (EPF) is a digital tool used by Probation Practitioners at pre-sentence stage and as part of pre-release planning. It uses a rules based algorithm to identify requirements or restrictions that could be proposed. SC...

We are GlobalLogic, a Hitachi Group Company and a leader in digital engineering. We help brands across the globe design and build innovative products, platforms, and digital experiences for the modern world. By integrating experience design, complex engineering, and data expertise - we help our clients imagine what's possible and accelerate their transition into tomorrow's digital businesses. At GlobalLogic, we have a strong track record of successfully delivering ground-breaking Cloud, Data & Digital Transformation programmes and we have an international reach working with a wide variety of projects and customers. Our approach enables companies to build the exceptional and be fit for purpose in the 21st century. We are seeking to hire an experienced Contract Platform Engineer into our Platform Engineering Practice. This is a 6 month assignment (inside IR35), to start ASAP About the role: You will be hands on in projects to provide technical guidance and validation...

On behalf of The Ministry of Justice, we are looking for a Lead Agile Coach (Inside IR35) for a 6 Month contract based Hybrid in any central MOJ Hub . The Ministry of Justice (MoJ) priorities include improving public safety and reducing reoffending by reforming prisons, probation and youth justice, and building a justice system which makes access to justice swifter and more certain for all citizens whatever their background. Project professionals in the MoJ help to improve the government's ability to protect the public and reduce reoffending, and to provide a more effective, transparent and responsive criminal justice system for victims and the public. As a   Lead Agile Coach , your main responsibilities will be: Lead enterprise-wide Agile transformation initiatives across multiple teams, departments, and business units. Coach Scrum Masters, Product Owners, leadership teams, and delivery squads on Agile principles , frameworks, and best practices....

About the job   We are seeking to hire an experienced Contract Technical Lead / Lead AI Platform Engineer (Contract) into our Engineering Practice. This is a 12 month assignment (inside IR35), to start 2-4 weeks.   This is a hands on, high impact role at the intersection of AI governance, distributed systems, observability, and platform engineering to lead technical delivery for an AI centralised platform - Control Tower.   We’re looking for a Technical Lead to drive the end to end build of this platform, shape its architecture, and partner with deep technical SMEs across the business to ensure AI systems operate with the highest levels of performance, security, and responsible oversight.   What We’re Looking For You’ll bring a blend of strong engineering foundations, platform ownership experience, and an enthusiasm for safe and scalable AI. Specifically: Strong engineering foundations, with experience...

Novatus is a Series B scale-up RegTech SaaS provider and boutique advisory practice, enabling financial services firms to solve complex challenges and redefine what’s possible through expert-led technology and consulting. Across both our technology and consulting services, Novatus delivers practical solutions to some of the most complex regulatory, data and operational challenges in financial services.   Our SaaS platform, En>ACT ( short for Ensuring Accurate, Complete and Timely reporting ), is a market-leading solution for regulatory transaction reporting and reconciliation, providing real-time, independent oversight of transaction reporting across all global regulatory regimes. En>ACT is the only real-time assurance solution that tests 100% of transactions and 100% of fields, replacing sample-based reviews and static PDF reports delivered months after the event with live, actionable insights. This helps firms remediate quickly, reduce risk, and meet...

The Cabinet Office supports the Prime Minister and ensures the effective running of government. The Cabinet Office is also the corporate headquarters for the government, in partnership with HM Treasury, and takes the lead in certain critical policy areas. More information about the Cabinet Office can be found on its website at: www.gov.uk/government/organisations/cabinet-office   As a Product and Delivery Manager , your main responsibilities will be to:   Lead on delivery planning for you team maintaining a roadmap and strategy, and develop and prioritise a backlog. Lead a product through different phases of the product life cycle, from discovery, through development, delivery and continuous improvement, to retirement. Define, explain and iterate an evidence-based vision for solutions that are compelling to your team, stakeholders and end-users. Gather and share metrics of success, and use this to inform decision-making. Build and maintain...

World Wide Technology (WWT) is a global technology integrator and supply chain solutions provider. Through our culture of innovation, we inspire, build, and deliver business results, from idea to outcome.   World Wide Technology (WWT) is looking for an experienced Zscaler Architect / Zero Trust SME to lead the design and implementation of secure access solutions. This role is primarily architecture and consulting focused, responsible for defining strategy, roadmap, and target-state designs rather than hands-on engineering   The ideal candidate will play a key role in migrating enterprise users a Zscaler-based Zero Trust environment, ensuring secure, scalable, and high-performance access.   This is a contract Role & Inside IR35 Zscaler Architect Contract Duration: 6 months contract Location: London, United Kingdom (Hybrid - 3 days onsite per week)   Key Responsibilities Define and drive the Zero...

Joining a cross functional Delivery team (software engineers, delivery, QA, UX, design) Client is in financial services domain ILarge platform and product build inc. customer journeys. Ideal start date 23rd July 2026 6 months contract - likely to extend £day rate / outside IR35 2 days / week in person working Immediate interviews.   Red Badger Founded in 2010 by Stuart, Cain and David, we help large organisations improve their speed to market whilst focusing on delivering value to their users and customers. We work with our clients to understand their problems and validate ideas in order to deliver improved process efficiencies, strategic enhancements and new digital products and services (or make significant improvements to existing ones). The best bit about Red Badger is, of course, the team. We've been around for 10+ years now and we are 100 strong. We are really proud of our people; we support and learn a lot from...

Please note, an active SC Clearance is an essential requirement for this role, as a minimum you must be willing & eligible to undergo checks. (Please note, due to the exceptional requirements of this position (short-term nature of this role and speed at which we require a postholder in situ) preference may be given to candidates who meet all of the essential criteria and hold active security clearance.)    This role may also involve some work in the evenings / weekends.    The Cabinet Office supports the Prime Minister and ensures the effective running of government. The Cabinet Office is also the corporate headquarters for the government, in partnership with HM Treasury, and takes the lead in certain critical policy areas. More information about the Cabinet Office can be found on its website at: www.gov.uk/government/organisations/cabinet-office   As a Microsoft Native Tooling Migration Engineer you will execute migrations of...

  Who are we   Founded in 1896, Knight Frank was registered as Knight Frank LLP a Limited Liability Partnership, on 3 November 2003, registered in England & Wales at 55 Baker Street, London, W1U 8AN with the registered number of OC305934. Headquartered in London, UK, Knight Frank is one of the world's leading independent real estate consultancies. We work responsibly in partnership to enhance people's lives and environments in over 50 Markets, 600+ Offices, 20,000+ People, 1 Global Network.   At the heart of all we do are our Clients. A relationship built on trust is vital. As trusted partners in property, we act with integrity and care, understanding our clients’ unique needs and consistently thinking about the bigger picture to provide personalised, clear and considered advice across all areas of property. Through our deep understanding of key markets and sectors – both emerging and established – we are dedicated to...

Job Title: Payroll Migration Project Manager Location: London (Hybrid) Duration: 6 months Contract Start Date: ASAP IR35: Inside Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte. Role Purpose As a Payroll Migration Project Manager, you will be instrumental in leading complex payroll system migration projects. You will build strong relationships with key business stakeholders across HR, Finance, and IT, understanding their strategic direction, processes, and critical requirements to become their trusted advisor on all elements of project delivery. This role...

Who we are: We are a rapidly growing pan-European digital wealth manager, serving over 167,000 active investors with more than £5.5 billion invested on our platform. We began in Milan in 2011 with the purpose to help more people improve their financial well-being by making personal investing simple and accessible through technology. Fast forward to today, and we are recognised as one of the most innovative fintechs, headquartered in the heart of London. With a team of 220+ people across 4 offices in Italy and the UK, we are proudly backed and funded by major partners including Poste Italiane, Cabot Square Capital, United Ventures, and Allianz. Our vision Our vision is to combine passion, expertise, and technology to provide best-in-class investment solutions and advice that protects and grows client wealth over time. Our Core Values: We’ve built our business on three Principles: Relationships are our first asset: We’re one team,...

Red Badger Founded in 2010 by Stuart, Cain and David, we help large organisations improve their speed to market whilst focusing on delivering value to their users and customers. We work with our clients to understand their problems and validate ideas in order to deliver improved process efficiencies, strategic enhancements and new digital products and services (or make significant improvements to existing ones). The best bit about Red Badger is, of course, the team. We’ve been around for 10+ years now and we are 100 strong. We are really proud of our people; we support and learn a lot from each other; we work really hard but have fun doing it. We are a diverse group made up of 22 different nationalities, speaking 17 different languages. Our 3 founders have considerable tech and consultancy experience and still own the company. We’ve been consistently profitable and have grown responsibly from the beginning. We are embarking on the next phase of growth and...

World Wide Technology (WWT) is a global technology integrator and supply chain solutions provider. Through our culture of innovation, we inspire, build, and deliver business results, from idea to outcome.   World Wide Technology (WWT) is looking for an experienced Zscaler Architect / Zero Trust SME to lead the design and implementation of secure access solutions. This role is primarily architecture and consulting focused, responsible for defining strategy, roadmap, and target-state designs rather than hands-on engineering   The ideal candidate will play a key role in migrating enterprise users a Zscaler-based Zero Trust environment, ensuring secure, scalable, and high-performance access.   This is a contract Role & Inside IR35 Zscaler Architect Contract Duration: 6 months contract Location: London, United Kingdom (Hybrid - 3 days onsite per week)   Key Responsibilities Define and drive the Zero...

Join a high-profile MOD digital programme in the discovery phase, shaping new capabilities within a secure national security environment. The Digital Delivery Manager is responsible for leading the successful delivery of digital projects to meet the needs of End Users who interact with the Programme team. The role ensures that digital solutions are delivered in accordance with programme objectives, security requirements, governance frameworks, and End User needs. Working across multidisciplinary teams, the Digital Delivery Manager will coordinate resources, manage risks and dependencies, engage stakeholders, and drive delivery performance while maintaining compliance with defence, cyber security, and regulatory standards.   As a Digital Delivery Manager , your main responsibilities will be: Lead the end-to-end delivery of digital projects and services. Work with End-Users and Stakeholders to develop and maintain delivery plans, schedules, milestones, and...

Senior Business Analyst Assignment type: 6 month contract (outside IR35)   We are looking for a Senior Business Analyst with strong commercial insurance and data analysis expertise to support an important change project. This assignment will focus on requirements gathering, process improvement, data mapping, and stakeholder collaboration across a complex enterprise change initiative.   The Senior Business Analyst will be responsible for the CAM to Arcus project business requirements. The activities/deliverables are: Business analysis approach outlined and agreed with PM and Business Lead - inc scope of activity, approach, management and traceability of requirements, and plan Provide oversight of BA activity across other Surety projects as required Ensure business (Surety) benefits and outcomes are known & understood, requirements are captured and clearly understood so that they will deliver the stated business...