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Bonapolia

Middle + React Developer

Bonapolia
Poland · Full-time · Entry

We are looking for a Middle + React Developer

Our client is a financial services company specializing in asset management.

The company is running a large-scale modernization program aimed at upgrading internal systems that were originally built years ago.

🧩 Project Description:

The project focuses on migrating legacy monolithic applications to a modern microservices-based architecture.

The team is working on building secure, scalable, and cloud-ready services, with a strong focus on authentication, authorization, and API management.

The developer will collaborate with engineering, security, and architecture teams to support the implementation of secure and reliable solutions.

💡 Hard Skills / Must Have:

  • Strong experience with React and TypeScript in production environments.
  • Solid knowledge of modern frontend tooling (bundlers, linters, build tools).
  • Experience working with design systems (internal design system preferred or similar).
  • Good understanding of WCAG accessibility standards.
  • Knowledge of frontend performance optimization techniques.
  • Experience integrating with APIs and authentication flows (REST, token-based auth).
  • Experience with Jest, React Testing Library, and/or Playwright.
  • Strong CSS skills and responsive design expertise.

📌 Responsibilities and Tasks:

  • Build responsive and scalable UI experiences using React and internal design system components.
  • Ensure compliance with WCAG accessibility standards and UX guidelines.
  • Integrate frontend applications with backend APIs and authentication flows.
  • Optimize UI performance and ensure cross-device/browser compatibility.
  • Develop and maintain reusable UI components and shared design patterns.
  • Participate in UI code reviews, automated testing, and quality improvements.
  • Troubleshoot and resolve UI defects and performance issues.

🧪 Technology Stack: React, TypeScript

📩 Ready to Join?

We look forward to receiving your application and welcoming you to our team!

Key Skills

Ranked by relevance

react ui responsive responsive design design systems microservices typescript cloud css ux
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Posted
Feb 17, 2026
Type
Full-time
Level
Entry
Location
Warsaw
Company
Bonapolia

Industries

IT Services IT Consulting

Categories

Engineering Information Technology

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