Junior web developer jobs in United Kingdom

dunnhumby is the global leader in Customer Data Science, empowering businesses everywhere to compete and thrive in the modern data-driven economy. We always put the Customer First. Our mission: to enable businesses to grow and reimagine themselves by becoming advocates and champions for their Customers. With deep heritage and expertise in retail - one of the world's most competitive markets, with a deluge of multi-dimensional data - dunnhumby today enables businesses all over the world, across industries, to be Customer First. dunnhumby employs nearly 2,500 experts in offices throughout Europe, Asia, Africa, and the Americas working for transformative, iconic brands such as Tesco, Coca-Cola, Meijer, Procter & Gamble and Metro. We're looking for a Senior Web Developer to join our Retail Media team at dunnhumby. ou'll play a key role in integrating innovative, scalable, and high-performance web applications that power retail media solutions for some of the world's biggest brands and retailers. As part of a cross-functional team, you'll collaborate with product managers, designers, data scientists, and engineers to deliver seamless digital experiences that help retailers monetise their media assets and drive measurable outcomes for advertisers. What You'll Do As a Senior Web Developer in our Retail Media team, you will: • Support the technology and integration of our adtech functions, ensuring seamless connectivity with key platforms like Google Ad Manager, • Regularly test, maintain, and enhance our web frameworks to ensure performance, reliability, and scalability, • Troubleshoot and resolve technical issues across the stack, from frontend bugs to backend integration challenges, • Collaborate closely with internal product teams and stakeholders to align technical solutions with business goals, • Lead the integration of our systems with third-party ad servers and platforms, particularly Google's adtech ecosystem, • Contribute to the continuous improvement of our development practices, including code reviews, testing, and deployment automation, • Strong experience with core web technologies: HTML, CSS, and JavaScript, • Background in the advertising or adtech space, with a solid understanding of digital media workflows, • Exposure to Google ad platforms, ideally including Google Ad Manager, • Proven ability to engage and collaborate with stakeholders across product, tech, and commercial teams, • Familiarity with modern frontend frameworks (e.g. React) and backend technologies (e.g. Node.js) is a plus, • A proactive mindset with strong problem-solving and communication skills What you can expect from us We won't just meet your expectations. We'll defy them. So you'll enjoy the comprehensive rewards package you'd expect from a leading technology company. But also, a degree of personal flexibility you might not expect. Plus, thoughtful perks, like flexible working hours and your birthday off. You'll also benefit from an investment in cutting-edge technology that reflects our global ambition. But with a nimble, small-business feel that gives you the freedom to play, experiment and learn. And we don't just talk about diversity and inclusion. We live it every day - with thriving networks including dh Gender Equality Network, dh Proud, dh Family, dh One, dh Enabled and dh Thrive as the living proof. We want everyone to have the opportunity to shine and perform at your best throughout our recruitment process. Please let us know how we can make this process work best for you. Our approach to Flexible Working At dunnhumby, we value and respect difference and are committed to building an inclusive culture by creating an environment where you can balance a successful career with your commitments and interests outside of work. We believe that you will do your best at work if you have a work / life balance. Some roles lend themselves to flexible options more than others, so if this is important to you please raise this with your recruiter, as we are open to discussing agile working opportunities during the hiring process. For further information about how we collect and use your personal information please see our Privacy Notice which can be found (here)

Mid-Level C++ Developer (5+ years of experience) Location: Hybrid - 2-3 days onsite in Hounslow Rate: £430 per day (Inside IR35) Duration: 12 months (Extension highly likely) Are you an experienced C++ Developer looking for your next long-term contract? We are seeking a technically strong and versatile Mid-Level C++ Developer to join our client's high-performing team on a travel technology project. Key Responsibilities • Develop and maintain high-performance Back End components using C+ or newer., • Design dynamic, responsive Front End interfaces with AngularJS/Angular 2+., • Support and enhance existing systems with a focus on performance, stability, and maintainability., • Collaborate with cross-functional teams (Product Owners, QA, DevOps, etc.) to deliver new features., • Refactor Legacy code and actively contribute to reducing technical debt., • Write clean, well-documented, scalable, and maintainable code., • Participate in code reviews and support junior developers where appropriate., • Uphold secure coding practices and adhere to development standards., • 5+ years of professional software development experience., • Proficient in C+ or later with strong knowledge of memory management, concurrency, and object-oriented programming., • Solid experience with AngularJS, HTML, CSS, and JavaScript., • Familiarity with REST APIs, JSON, and web service integration., • Experience in maintenance/support roles involving bug fixing and system enhancement., • Strong debugging and full-stack problem-solving skills., • Proficient in using Git and working within Agile frameworks such as Scrum, Kanban, or Sprints., • Bachelor's or Master's degree in Computer Science, Engineering, or a related field., • Industry knowledge in full-stack software development is essential.

Dynamics 365 and Power Platform Developer Javascript, C#, .NET Remote (must be UK based and eligible for SC Clearance) No sponsorship can be offered About the Role We are seeking an experienced Dynamics 365 Customer Engagement (CE) Developer to join a growing digital transformation team. This is a hands-on technical role where you will implement, configure, and extend Dynamics 365 CE solutions to meet business requirements across multiple modules. You will play a key part in supporting digital initiatives, including deployment, go-live, ongoing enhancements, and integrations with other applications and systems. The role combines coding, design, and solution architecture in a collaborative, innovative environment. Key Responsibilities • Implement and configure D365 CE modules, including entities, forms, views, workflows, and business rules., • Develop custom plugins, workflows, and JavaScript to extend D365 CE functionality., • Build and maintain Power Automate flows, Power Apps, and Power Pages solutions., • Integrate D365 CE with external systems using Azure Logic Apps, APIs, and other integration tools., • Assist in data migration, ensuring accurate and secure transfer from legacy systems., • Participate in solution design, technical documentation, and testing., • Provide ongoing support, troubleshooting, and system optimisation., • Mentor junior team members and collaborate with cross-functional teams to deliver high-quality solutions. Skills & Experience • Proven hands-on experience with Dynamics 365 CE / D365 / Dynamics CRM., • Strong coding skills: C#, JavaScript, custom plugins, Web API, SDK., • Experience with Power Platform: Power Automate, Power Apps, Power Pages., • Knowledge of integrations with Azure services, SSIS, and SQL Server., • Understanding of Dynamics 365 architecture, security model, and best practice configuration., • Strong analytical and problem-solving skills with the ability to deliver technically robust solutions., • Experience in software lifecycle management, release processes, and version control.

We are a leading technology firm dedicated to delivering innovative solutions that empower businesses to thrive in a digital world. Our mission is to drive transformation through technology, fostering a culture of collaboration, creativity, and continuous improvement. About the Role The Senior Guidewire ClaimCenter & PolicyCenter Developer will lead the development and customization of Guidewire applications, ensuring high-quality solutions that meet business needs. Responsibilities • Lead the development and customization of Guidewire ClaimCenter & PolicyCenter application using Gosu and Java., • Need to have latest version of Guidewire 9/10, • Architect and implement integrations with external systems using SOAP/REST APIs., • Collaborate with business analysts, QA teams, and stakeholders to gather requirements and deliver scalable solutions., • Mentor junior developers and conduct code reviews to ensure best practices., • Optimize performance and scalability of Guidewire applications., • Participate in Agile ceremonies and contribute to sprint planning and estimations., • Troubleshoot complex issues and provide production support as needed., • Maintain technical documentation and ensure compliance with coding standards. Qualifications • 6+ years of hands-on experience with Guidewire ClaimCenter & PolicyCenter., • Guidewire Associated/Specialist Certified., • Strong proficiency in Gosu, Java, and web services (SOAP/REST)., • Experience with Guidewire Studio, Messaging, Data Model, Rules, and Workflows., • Familiarity with Guidewire DataHub and InfoCenter is a plus., • Excellent problem-solving, analytical, and communication skills., • Experience working in Agile/Scrum environments.

The Web Developer will be involved in maintaining, updating, and adding features to the marketing website as appropriate. The web developer will be involved in maintaining and developing various products that are built on web platforms. Our client based in Surrey / South London is expanding and has

Working with the support of a senior web developer and closely with a junior web developer and a web designer, you will embark on a variety of tasks ranging from component design and implementation to an entire overhaul of a Django based web application. Titan Entertainment Group the UK's leading cr

We are looking for a creative and motivated Junior Web Designer & Developer to join our growing digital team. Collaborate with UX/UI designers, developers, and marketing teams.

Senior Ruby on Rails Developer role for a government project. We are looking for 2 x Senior Ruby on Rails Developers to design, build, and maintain scalable web applications, guide technical decisions, mentor junior developers, and ensure best practices across the team. Design, develop, test, and ma