Frontend Engineer – UI Libraries / Design Systems (React + TypeScript)
Join a global financial institution that plays a key role in the international economic ecosystem. Our client is known for its stability, innovation, and excellence, offering the opportunity to work with world-class engineering teams and contribute to impactful, large-scale projects. We are currently seeking an experienced Frontend Engineer to join the UI Libraries team and drive the adoption of cutting-edge UI technologies across the organization.
About the Team and Role
As a member of the UI Libraries team, you will be responsible for introducing the latest UI technologies and streamlining their adoption across a wide range of business and development teams. You will work on defining, building, and validating the engineering foundations that power internal and external user experiences across the firm.
This role offers the opportunity to shape the company-wide design system and visual language. You will contribute to a React and TypeScript-based component library used in hundreds of projects, helping ensure a consistent user experience across web, desktop, tablet, and mobile applications.
Technologies and Concepts You'll Work With
React, TypeScript, monorepos with Bazel, Node.js, CSS-in-JS, Server-Side Rendering (Next.js, Gatsby), Progressive Web Apps (PWA), and Accessibility (WCAG)
Required Qualifications
5+ years of hands-on experience building modern, rich web applications
Strong practical knowledge of React (mandatory) and TypeScript
Experience with clean code principles and testing methodologies
Excellent communication, interpersonal, and organizational skills
Ability to handle multiple projects in a fast-paced, collaborative environment
Self-driven, analytical, and eager to explore and adopt new technologies
Preferred Qualifications
Bachelor’s degree in Computer Science or a related field
Experience working in an Agile, delivery-driven environment
Familiarity with SSR frameworks such as Next.js or Gatsby
Hands-on experience with PWAs, CSS-in-JS, mobile development, and accessible components
Knowledge of frontend build tools and testing frameworks such as Webpack
What We Offer
Long-term collaboration with a globally recognized financial institution
An opportunity to shape and develop a design system used at scale
The chance to work with modern frontend technologies on impactful projects
A culture that values continuous learning, technical excellence, and knowledge sharing
We encourage you to apply if you are excited about building scalable UI foundations and contributing to the user experience of a global organization.
- Locations
- Warsaw

About Infotree Global Solutions
At Infotree, meeting your career needs is a top priority. Client satisfaction is largely dependent on the resources we can provide, and we take pride in our delivery. We have a supportive team in place to give quality people a chance to grow and challenge themselves in their roles which has resulted in that we have placed many employees in positions that have grown into lifelong careers.
We have a team of dedicated recruiters and consultant care representatives that are committed to your success and well-being. Check out our open roles to get started.
Infotree Poland Sp. z o.o. is part of Infotree Global Solutions. Agency number: 15970.
Frontend Engineer – UI Libraries / Design Systems (React + TypeScript)
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