Junior Developer

Overview

This role is based in our 5 Howick Place office. As our Front End Developer, you will have the opportunity to work on both new and existing applications and features that play a crucial role in the success of our festivals. You will work with cutting-edge technologies and make a significant impact on the experiences of our users. Our portfolio includes top-of-the-line events such as Cannes Lions in the creative marketing industry and Money2020 in finance, among others.

Responsibilities

• Develop new user-facing features using Next.js, React and Node
• Collaborate closely with designers and backend developers to implement visual and interactive elements.
• Ensure the technical feasibility of UI/UX designs and optimize applications for maximum performance.
• Participate in code reviews, providing feedback and suggestions for improvement.
• Work on maintaining and enhancing existing applications, resolving any issues or bugs as needed.

Qualifications

• Solid fundamental knowledge of web development principles and best practices.
• Commercial experience working with Next.js or any other React-based framework.
• Proficiency in HTML5, CSS3, and JavaScript.
• Experience with version control systems, preferably Git.
• Strong problem-solving skills and attention to detail.
• Excellent communication and collaboration abilities.
• Familiarity with server-side rendering and/or static site generation.
• Experience working in an Agile development environment.
• Knowledge of TypeScript.
• Exposure to GraphQL.

About Informa Festivals & Benefits

Informa Festivals marks an exciting new chapter in B2B events, bringing some of the world\’s most influential creative, technology and business festivals together. We\’re combining prestigious brands like Cannes Lions, Black Hat, Money20/20 and London Tech Week with cutting-edge marketing intelligence platforms and advisory services to deliver unmissable experiences and insights.

Our festival-led approach reimagines traditional B2B events, creating powerful, immersive experiences that drive innovation and industry advancement. Building on decades of expertise and powered by Informa\’s international reach, we’re shaping the next generation of business festivals. We are part of Informa, a global business with a network of trusted brands in specialist markets across more than 30 countries, and a member of the FTSE 100.

We are #3 in Glassdoor\\\’s Best Places to Work 2025 UK list. We believe that great things happen when people connect face-to-face. We work in-person with each other, or with customers and partners, three days a week or more. When you’re not spending time together in one of our offices or other workplaces—like at an Informa event—you have the flexibility to work from home or remotely. We work hard to make Life at Informa rewarding, supportive and enjoyable for everyone. Here’s some of what you can expect when you join us. But don’t just take our word for it—see what our colleagues have to say at LifeAt.Informa.com

• Great community: a welcoming culture with in-person and online social events, our Walk the World charity day and active diversity and inclusion networks
• Broader impact: take up to four days per year to volunteer, with charity match funding available too
• Career opportunity: the opportunity to develop your career with bespoke training and learning, mentoring platforms and on-demand access to thousands of courses on LinkedIn Learning. When it\\\’s time for the next step, we encourage and support internal job moves
• Time out: 25 days annual leave, rising to 27 days after two years, plus a birthday leave day and the chance to work from (almost!) anywhere for up to four weeks a year
• A flexible range of personal benefits to choose from, plus company funded private medical cover
• A ShareMatch scheme that allows you to become an Informa shareholder with free matching shares
• Strong wellbeing support through EAP assistance, mental health first aiders, a healthy living subsidy, access to health apps and more
• Recognition for great work, with global awards and kudos programmes
• As an international company, the chance to collaborate with teams around the world

We\\\’re not solely focused on a checklist of skills. We champion energy and ambition and look for colleagues who will roll their sleeves up, join in and help make things happen. If it sounds like a match and you have most – although not all – of the skills and experience listed, we welcome your application. At Informa, you\\\’ll find inclusive experiences and environments where all perspectives and backgrounds are welcomed. As part of this approach and our diversity and inclusion commitments, we are also formally an Equal Opportunities Employer. This means we base decisions on relevant qualifications and merit and do not discriminate on the basis of key characteristics and statuses, including all of those protected by law. If you would like to request reasonable adjustments or accommodations to assist your participation in the hiring process and, or in the advertised position, please inform the appropriate Talent Acquisition Partner for the role once they have been in touch.