Front End Engineer

WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth. We work with the world's most valuable brands and have global reach across 100+ markets, with deep local expertise. Our people are the key to our success. We're committed to fostering a culture of creativity, belonging and continuous learning, attracting and developing the brightest talent, and providing exciting career opportunities that help our people grow. For more information, visit WPP.com. This is a full-time position offered exclusively on a Contract of Employment (Umowa o Pracę) . Please note that this is a hybrid role , requiring employees to work from our Warsaw office (Centrum Koneser) at least 3 days per week . We are not considering fully remote or B2B arrangements for this position. WPP’s Data & Technology Solutions is the WPP’s unified global data products and technology team. We work with our agencies and clients to build data data-driven solutions and technology product to power marketing transformation. WPP Open is our AI platform for marketing, it connects marketing professionals, data, tools and AI in a single place. WPP Open is the simplest, safest and fastest way to realize the benefits of scaled AI – delivering better-informed creative ideas faster, at scale and at lower cost. We’re endlessly curious and our team of thinkers, builders, creators and problem solvers are over 2,000 strong, across 20 markets around the world. Location Requirement This is a hybrid role based in Warsaw, Poland . Candidates must currently reside in Poland or be willing to relocate independently to Warsaw, as relocation support is not provided for this position. What you'll be doing: Develop Engaging User Interfaces Build, maintain, and evolve highly interactive and responsive web applications using modern JavaScript frameworks (e.g., React, Angular, Vue.js) and libraries. Translate UI/UX design wireframes and mockups into high-quality code, ensuring technical feasibility and optimal user experience. Develop reusable UI components and frontend libraries to maintain consistency and accelerate development across our product suite. Build and iterate quickly on prototypes to validate new AI, data and product concepts before they move into full product development. Contribute to the entire frontend development of lifecycle, from conceptualization and design input to deployment and maintenance. Integrate with Backend Services and Data Integrate frontend applications with RESTful APIs, GraphQL endpoints, and other backend services to fetch and display dynamic data. Implement…