Adecco

react developer for banking portals

In short

Senior React.js/TypeScript developer needed to build and maintain client-facing banking portals, with hybrid work in Warsaw. The role covers front-end feature development, reusable component libraries, REST/GraphQL API integration, and performance/accessibility optimization. Requires 6+ years of React.js experience and enterprise-scale front-end application background. Offered as a B2B contract or temporary employment contract on a banking-sector project.

Description
The project operates in the banking sector and involves client-facing portals.
Responsibilities
•Design and develop front-end features using React.js, TypeScript, and modern front-end tooling, following approved designs and the Design System
•Build reusable UI components and contribute to shared component libraries
•Collaborate with the Senior Design/Developer to ensure pixel-accurate, design-faithful implementation
•Integrate front-end applications with REST APIs and backend microservices
•Optimize application performance, accessibility, and cross-browser compatibility
•Participate in code reviews, sprint planning, and Agile ceremonies
•Troubleshoot and resolve UI defects and production issues
•Support automated unit and integration testing for front-end code
Requirements
•At least 6+ years of experience with React.js development and enterprise-scale front-end applications
•Strong React.js and TypeScript development experience
•Solid understanding of modern front-end architecture patterns, including component-based design and state management such as Redux or Context API
•Familiarity with design tools such as Figma and ability to interpret and faithfully implement designs
•Experience integrating with REST/GraphQL APIs
•Basic understanding of accessibility standards (WCAG)
•Exposure to containerized application environments and CI/CD pipelines
Nice to have
•Exposure to Micro Frontend concepts (Module Federation)
•Basic SQL/database knowledge
•Financial services or transfer agency domain exposure
Conditions
•Start as soon as possible
•B2B Contract or Temporary Employment Contract
•Banking-sector project

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