Front End Engineer

Responsibilities

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 data visualization components and dashboards to present complex analytical insights in an intuitive and actionable manner.
• Collaborate closely with backend engineers to define API contracts and optimize data flow for frontend consumption.
• Ensure the technical feasibility of UI/UX designs and provide constructive feedback on potential implementation challenges.

Ensure Quality, Performance, and Accessibility

• Write comprehensive unit, integration, and end-to-end tests to ensure the reliability and stability of frontend applications.
• Optimize web applications for maximum speed and scalability, addressing performance bottlenecks and ensuring a smooth user experience.
• Implement web accessibility standards (e.g., WCAG) to ensure our products are usable by the widest possible audience.
• Participate in code reviews, providing constructive feedback and ensuring adherence to coding standards and best practices.
• Work effectively within an Agile team, participating in sprint planning, stand-ups, reviews, and retrospectives.
• Contribute to technical discussions, architectural decisions, and provide expertise on frontend best practices.
• Mentor junior developers and share knowledge across the team to foster a culture of continuous learning and improvement.
• Research and evaluate new frontend technologies and tools to enhance our development processes and product capabilities.

Requirements

• 5+ years of professional experience in frontend web development
• Strong proficiency in
• HTML5, CSS3, modern JavaScript and TypeScript
• Extensive experience with at least one modern JavaScript framework, such as Angular, React.js.
• English fluency B2/C1
• Solid understanding of state management patterns and libraries
• Experience with CSS preprocessors

Familiarity with module bundlers

• Proficiency in writing automated tests for frontend applications (e.g., Jest, React Testing Library, Cypress, Playwright).
• Experience consuming RESTful APIs. Familiarity with GraphQL is a plus.
• Bachelor's degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience.

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 need

• Experience with data visualization libraries (e.g., D3.js, Chart.js, Plotly) is highly desirable.
• Experience building interfaces for AI-powered products, conversational experiences, data-heavy applications or developer tools is a plus.

Who you are

• Proficient in modern frontend technologies, capable of writing clean, modular, and maintainable code.
• Passionate about performance, always optimizing web applications for speed and efficiency.
• A collaborative team player, eager to work closely with UX/UI designers, backend engineers, and product owners.
• Continuously learning, staying abreast of the latest frontend trends, tools, and best practices.

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 conviction: 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 provide extraordinary every day.

What we'll give you

Passionate, inspired people

We aim to create a culture in which people can do extraordinary work.

Scale and opportunity

We offer the opportunity to create, influence and complete 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?

#LI-Hybrid

We believe the best work happens when we're together, fostering creativity, collaboration, and connection. That's why we’ve adopted a hybrid approach, with teams in the office around four days a week. If you require accommodations or flexibility, please discuss this with the hiring team during the interview process.

WPP is an equal opportunity employer and considers applicants for all positions without discrimination or regard to particular characteristics. We are committed to fostering a culture of respect in which everyone feels they belong and has the same opportunities to progress in their careers.

Please read our Privacy Notice ( https://www.wpp.com/en/careers/wpp-privacy-policy-for-recruitment) for more information on how we process the information you provide.