153 web developer jobs found in London

Salesforce Developer (12m Day Rate Contractor) Job Introduction Handelsbanken combines a long-established relationship banking model with secure, resilient, and customer-focused technology. Our technology teams enable the Bank's decentralised way of working, delivering systems built for stability, trust, and long-term value. We are on a multi-year technology and digital transformation journey to enhance customer experience and improve how colleagues work together. By modernising platforms, simplifying processes, and better connecting data and systems, we help relationship teams focus on customers and less on complexity. Our decentralised culture extends to technology. Teams are trusted to take ownership, make informed decisions, and deliver sustainable, high-quality solutions. We value engineering excellence, pragmatic problem-solving, and strong collaboration across technology, business, and risk. We offer technologists the opportunity to build lasting careers, deepen...

Digital Design Developer (Freelance) 3-5 days per week, hybrid work policy in central London office Wonderbly is looking for a freelance design developer. You will join the team on a mission to reimagine mylifeinabook.com with an entirely new product proposition. You will be thinking of and building the best customer interactions, motion and typography needed for people to easily capture their most precious memories that can be shared with the closest people in their life. As an expert frontend engineer with great visual and storytelling instincts, you are equally comfortable building out storyboards and tools as you are collaborating with designers and editors to refine ideas. You will be a bridge between the creative vision and functional code. You'll be working within a small, focused team with a fair amount of autonomy. We're not looking for someone to execute a perfect brief. We're looking for someone with the judgment to help us figure out the right thing...

PLEASE NOTE: 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.   As a Senior Developer you will play a key role in delivering robust and maintainable software that meets user needs. You will contribute across the full software development lifecycle, from design and implementation through to deployment and production support. You will build a deep understanding of the wider service and use that knowledge to solve technical problems, improve system reliability, and help shape practical solutions. Alongside your development work, you will contribute to a strong engineering culture by reviewing code, sharing expertise, and supporting...

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...

Contract Type  Day Rate Contractor Closing Date  4 November, 2026 Job Category  Tech, Data and Digital Business Unit  Customer Platforms (UKTK-P) Location  London , Please select Posted on  21 October, 2026 The opportunity  As a Salesforce Integration Developer, you will play a key role in delivering and enhancing the customer onboarding journey, with a particular focus on integrating the Customer Due Diligence (CDD) platform and associated KYC/eID&V solutions with Salesforce Financial Services Cloud (FSC). Working closely with the Salesforce Technical Lead, Solution Architect, Product Owners, and wider technology teams, you will design, develop, and support integrations that enable seamless onboarding, regulatory compliance, and an improved customer experience. This role combines project delivery and platform support responsibilities, requiring strong hands-on development expertise across Salesforce,...

Salesforce Developer (12m Day Rate Contractor) Contract Type  Day Rate Contractor Closing Date  4 November, 2026 Job Category  Tech, Data and Digital Business Unit  Customer Platforms (UKTK-P) Location  London , Please select Posted on  21 October, 2026 The opportunity  As a Salesforce Integration Developer, you will play a key role in delivering and enhancing the customer onboarding journey, with a particular focus on integrating the Customer Due Diligence (CDD) platform and associated KYC/eID&V solutions with Salesforce Financial Services Cloud (FSC). Working closely with the Salesforce Technical Lead, Solution Architect, Product Owners, and wider technology teams, you will design, develop, and support integrations that enable seamless onboarding, regulatory compliance, and an improved customer experience. This role combines project delivery and platform support responsibilities, requiring strong...

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...

Information Security Consultant (CRM) Day rate Contract Job Introduction Handelsbanken combines a long-established relationship banking model with secure, resilient, and customer-focused technology. Our technology teams enable the Bank's decentralised way of working, delivering systems built for stability, trust, and long-term value. We are on a multi-year technology and digital transformation journey to enhance customer experience and improve how colleagues work together. By modernising platforms, simplifying processes, and better connecting data and systems, we help relationship teams focus on customers and less on complexity. Our decentralised culture extends to technology. Teams are trusted to take ownership, make informed decisions, and deliver sustainable, high-quality solutions. We value engineering excellence, pragmatic problem-solving, and strong collaboration across technology, business, and risk. We offer technologists the opportunity to build lasting careers,...

We are seeking a Cyber Risk Business Analyst with strong Identity & Access Management (IAM) expertise to support a high-profile programme focused on access governance, remediation, and IAM framework delivery. Cyber Risk Business Analyst (IAM) Location: London (4 days onsite) Rate: £625-650 per day (Inside IR35) emagine is a high-end professional services consultancy and solutions firm specialising in delivering business and technology services to the financial services sector. We power progress, solve complex challenges, and deliver tangible results through tailored consulting and delivery excellence. Our culture is built on openness, integrity, and strong partnerships, underpinned by our core values: Confident, Dedicated, Responsible, Genuine. We are seeking a Cyber Risk Business Analyst with strong Identity & Access Management (IAM) expertise to support a high-profile programme focused on access governance, remediation, and IAM framework delivery....

Do you build automations that businesses can rely on? I’m looking for a freelance developer to work with me on client projects at The AI Adoption.   We help owner-led businesses put AI and automation to practical use in their daily operations. You’ll work directly with me: I scope the projects and manage the client relationship, while you build, test and document the solutions we agree on.   What you’ll work on You’ll build n8n workflows, connect business tools through APIs and webhooks, and use Claude Code to develop and debug solutions. You’ll test how they behave when something goes wrong, resolve issues and leave clear documentation. You’ll also need to understand the business behind each project. Who uses the solution? How does it fit into their day? What happens if it fails? Your judgement and your questions matter as much as your ability to build.   How we’ll work together You’ll...

Senior Business Analyst (contractor), London What are we trying to do? Lab49 was founded in 2002 with a deep pool of business and technology talent and a global reach. We specialize in helping clients realize rapid transformational change at an industrial scale and operate historically towards the upper tiers of banking and capital markets, to include banks, hedge funds and exchanges; assisting those companies with their most key strategic business programmes and technology investments. What do we need help with? We are looking for an experienced consultant to work on a large institutional multi-year business transformation and integration project in cross border payments. What will you do? Business analysis • Develop business requirements and backlogs • Develop detailed business specifications, including worked numerical examples • Develop functional architectures and solutions designs • Develop delivery roadmaps, identify dependencies,...

The first duty of Government is to protect the public. Since 1782, the Home Office has led work to keep the country safe from those who seek to do it harm; in doing so, we make a vital contribution to HM Government’s plan for a stronger, fairer, outward-looking and united Britain.   The Home Office covers three systems Homeland Security, Public Safety and Borders, and Immigration and Citizenship. These systems work collaboratively to deliver our cross-cutting priorities, whilst providing increasingly efficient and secure services for the public. These are difficult areas that can rapidly change in the global environment we work in – this makes us one of the most exciting and stimulating government departments in which to work.   The role: The  Commercial IT Specialist - (Inside IR35)  will join the Home Office’s Software Commercial Category team and take ownership of the end-to-end procurement lifecycle for software solutions....

We are looking for a Senior Delphi Developer with deep expertise in Delphi 10.4 or later , strong understanding of software development life cycle (SDLC) , and hands-on experience in Oracle PL/SQL and RDBMS . The ideal candidate will be responsible for designing, developing, and maintaining enterprise-grade business applications, while also contributing to build automation and deployment processes using tools such as TeamCity and Octopus . This role requires excellent debugging skills, experience in developing custom controls, and collaboration with cross-functional teams to deliver robust and scalable software solutions. Experience: 10–14 years Key Responsibilities Design, develop, and maintain business applications using Delphi 10.4 or newer versions . Participate in the full Software Development Life Cycle (SDLC) — from requirements gathering to deployment and support. Configure and maintain automated build and deployment pipelines...

About Red Badger We're a tech and product consultancy, building enterprise software products for blue-chip companies, multinationals and PLC's. The best bit about Red Badger is, of course, the team. We've been around for 15+ years now, and we are over 130 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. Headquartered in London, we also have offices in Cape Town and Leeds.     The Role As a Freelance Principal UX Researcher, you own research across a multi-team client programme. You run strategic discovery that shapes what gets built, set research standards, and make sure customer insight drives prioritisation. Our clients often have fragmented, siloed research that restarts with every study. You turn it into a working discipline. This is a working leadership role: part hands-on...

Job Title: Software Developer Team Lead Location: London (3 days onsite) Duration: 12 Month Contract Start Date: ASAP IR35: Inside Clearance: Active DV Security Clearance required   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 We are seeking an experienced Senior Developer to provide technical leadership for the delivery of an AI-enabled Defence tasking and workflow platform. The role will help shape a secure application that combines Python/FastAPI services, React and TypeScript user interfaces, Camunda workflow...

Salary 450 Outside IR35 City London Province Greater London Country United Kingdom Postal Code EC1A Job Description About Scrumconnect Consulting Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful and innovative technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens. We are passionate about user-centred design, agile delivery, and building digital services that make a real difference. Our teams work at the forefront of innovation, helping organisations transform and deliver high-quality, scalable solutions that truly matter. About the Role We are looking for an experienced D365 Developer to design, develop, and support solutions across the Microsoft Power Platform and Dataverse ecosystem . You will work closely with functional and technical teams to deliver robust, scalable applications...

Principal Engineer – SC Eligible – Government Projects This role is delivered within secure environments. Candidates must be eligible for UK SC clearance and hold UK citizenship. Join the Mission We are a fast‑growing startup building scalable, high‑quality digital products at pace. Our success depends on strong engineering foundations, pragmatic architecture, and ways of working that enable teams to deliver value continuously. We are looking for a Principal Engineer to play a critical leadership role across our engineering and architecture community. This is an opportunity to shape how we build, not just what we build—embedding effective engineering processes, modern delivery practices, and a culture of continuous improvement as the company scales. This role suits a senior technologist who thrives in ambiguity, enjoys influencing without authority, and wants to leave a lasting imprint on how engineering operates within a growing...

Location: UK Remote (GMT timezone) Department: Engineering Employment Type: Contract (B2B)   About YLD: Our goal is to help our clients keep moving forward. We work with them to build the skills and capabilities they need to stay ahead of the competition, and we know our success only happens when they succeed. We’re a team of curious, talented people, and we’re committed to making YLD a place where great people want to work, grow, and stay. We’re a remote-first consultancy specialising in software engineering, product design, and data. Our teams are based across London, Lisbon, and Porto, and we create digital solutions that continue to deliver value long after our work is done.   About the role As a Senior Software Engineer at YLD, you’ll be part of a client team building innovative products. We’re looking for someone curious, passionate, driven, and enthusiastic. You should be skilled in...

Network Rail is at the heart of revitalising Britain's railway. From Crossrail - Europe's largest civil engineering project - to investment in world-class stations and major programmes of electrification, we are involved in some of the most ambitious and diverse ventures that this country has ever seen. We at Network Rail are dedicated to becoming one of Britain 's best employers and believe this starts with placing the candidate at the heart of everything we do!   As a  Project Manager , your main responsibilities will be:   Responsible for overseeing the delivery of programme to delvelop integrated business plans for 2029-39 within the Southern Region supporting IBUs to meet national requirements To ensure that objectives are clearly defined and achieved within the agreed time, cost and quality constraints. Play a key role in project governance, working with stakeholders to ensure the agreed project outputs are delivered to enable the projected...

We don't just believe in better. We make it happen. Better content. Better products. And better careers. Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, Sky Stream to Sky Glass, we never stand still. We optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. Role/Team overview Sky Data brings data and analytics capabilities into one place, building expertise that supports Sky and OTT businesses across Europe to keep data safe, trusted and usable. We partner with teams across the business to create innovative data products that improve Sky and bring value to our customers. As a Data & Information Management Senior Analyst, reporting to the Data & Information Management Lead, you'll help expand our mission to unlock further value from unstructured data while managing the new data and...