Senior Frontend Developer - Payments Platform

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world.

About The Role We are looking for Senior Frontend Engineers to join our remote client team developing a global digital commerce platform that supports large-scale, multi-market order and payment journeys across web and omnichannel experiences.

You will work on mission‑critical payment capabilities within an enterprise-grade Order Management Platform, where frontend quality, resilience and scalability directly impact customer trust and business continuity.

This is not a marketing or content website role — it’s about building robust, reusable, and highly reliable frontend solutions used across multiple countries, payment methods and checkout flows.

Budapest | Hybrid (1 day onsite)

Fluent Hungarian required

YOU WILL

• Designing and building scalable frontend architectures for complex checkout and payment flows
• Developing reusable, maintainable component libraries shared across multiple markets
• Implementing state-heavy UIs (payment status, retries, errors, fallbacks, refunds)
• Ensuring high standards in performance, accessibility and reliability, especially in payment‑critical moments
• Collaborating closely with backend, product, and platform teams in a DevOps-oriented environment
• Continuously improving developer experience, build pipelines and release quality

YOUR HAVE

• 7+ years of professional experience as a Frontend Engineer working on complex web applications

• Strong proficiency in TypeScript and React

• Experience with Preact is a plus

• Expert knowledge of HTML5 and CSS3

• Solid styling expertise using SCSS and/or styled-components, with the ability to design scalable styling systems

• Strong understanding of frontend architecture, application state management, and component-driven design

• Experience working with CI/CD concepts, modern build tools and Git-based workflows (e.g. GitHub Actions)

• Experience working with cloud-based platforms, especially Google Cloud Platform (GCP)

• Ability to write clean, testable, and well-structured code in a large codebase

• Comfortable working in international, cross-functional teams

NICE TO HAVE

• Familiarity with multi-cloud environments or regional cloud setups (e.g. Alibaba Cloud)

What You Will Love About Working Here

• Access our education library with 250,000+ courses, certifications, and learning resources;
• Well-being Hub: The global Well-Being Hub connects employees across various facets of well-being: work-life balance, working hours and network growth;
• We value flexibility – hybrid work and flexible hours help you maintain a healthy work-life balance;
• We also offer additional benefits such as Employee referral bonus and Company shares program;

Capgemini is an AI-powered global business and technology transformation partner, delivering tangible business value. We imagine the future of organizations and make it real with AI, technology and people. With our strong heritage of nearly 60 years, we are a responsible and diverse group of 420,000 team members in more than 50 countries. We deliver end-to-end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business operations. The Group reported 2024 global revenues of €22.1 billion.

Make it real | www.capgemini.com