This job is with WPP, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ business community. Please do not contact the recruiter directly. WPP is the creative transformation company. We use the power of creativity to build better futures for our people, planet, clients, and communities. Working at WPP means being part of a global network of more than 115,000 accomplished people in 110 countries. WPP has headquarters in New York, London and Singapore and a corporate presence in major markets worldwide. We create transformative ideas and outcomes for our clients through an integrated offer of communications, experience, commerce, and technology. WPP and our award-winning agencies work with most of the world's biggest companies and organisations – from Ford, Unilever and P&G to Google, HSBC, and the UN. Our clients include 61 of the FTSE 100, 307 of the Fortune Global 500, all 30 of the Dow Jones 30 and 62 of the NASDAQ 100. WPP are the leader in the Bloomberg Gender Equality Index and 20th in the FTSE 100 rankings for Women on Boards. Why we're hiring: This program of work is central to WPPs’ continued success, helping Shape their world class AI with a back-office workflow platform. The value add is to enable agencies to manage their work end to end within our innovate platform. This is a greenfield program of work to replace their existing workflow system with bespoke .Net development using a microservice architecture in Azure and Kubernetes. What you'll be doing: We are seeking a Principal Front-End Engineer to lead our front-end development efforts, driving the architecture and implementation of high-quality web applications. You will collaborate with cross-functional teams, mentor junior engineers, and advocate for best practices in front-end development. This role will report into the Senior Director of Development. Technical Leadership Design and implement scalable and maintainable front-end architecture. Set technical standards and ensure best practices in code quality and performance. Mentorship Guide and mentor junior and mid-level engineers, fostering a culture of learning and collaboration. Collaboration Work closely with UX/UI designers, back-end developers, and product managers to deliver exceptional user experiences. Innovation Stay current with emerging technologies and industry trends, evaluating and integrating new tools and frameworks as needed. Code Reviews Conduct accurate code reviews, providing constructive feedback to enhance code quality and team capabilities. Performance Optimization Identify and resolve performance bottlenecks, ensuring applications are fast and quick to react. Documentation Maintain comprehensive documentation of code, architecture, and processes to support team growth and onboarding What you'll need: 10 years of front-end development experience, with a strong portfolio of web applications. Proficiency in HTML, CSS, JavaScript, and modern frameworks (e.g., React, Angular, Vue). Strong understanding of front-end architecture, state management, and design patterns. Experience with responsive design principles and frameworks (e.g., Bootstrap, Tailwind). Knowledge of web performance optimization techniques and tools. Familiarity with version control (Git), CI/CD pipelines, and modern development workflows. Excellent communication and collaboration skills, with a proactive approach to problem-solving. Who you are: You’re open : We are inclusive and collaborative; we encourage the free exchange of ideas; we respect and celebrate diverse views. We are open-minded: to new ideas, new partnerships, new ways of working. You’re optimistic : We believe in the power of creativity, technology and talent to create brighter futures or our people, our clients and our communities. We approach all that we do with confidence: to try the new and to seek the unexpected. You’re extraordinary: we are stronger together: through collaboration we achieve the amazing. We are creative leaders and pioneers of our industry; we deliver extraordinary every day. What we'll give you: Passionate, driven people – We champion a culture of people that do extraordinary work. Scale and opportunity – We offer the opportunity to create, influence and deliver projects at a scale that is unparalleled in the industry. Challenging and stimulating work – Unique work and the opportunity to join a group of creative problem solvers. Are you up for the challenge? WPP is an equal opportunity employer and considers applicants for all positions without regard to race, color, religion or belief, sex, age, national origin, citizenship status, marital status, military/veteran status, genetic information, sexual orientation, gender identity, physical or mental disability. We believe in creating a dynamic work environment that values diversity and inclusion and strives to recruit a diverse slate of candidates to help us achieve that goal. Please read our Privacy Notice ( https://www.wpp.com/people/wpp-privacy-policy-for-recruitment ) for more information on how we process the information you provide. LI-DNI