Fullstack Developer (React, Node.js)

Our client is one of the world’s largest global banks undergoing an exciting digital transformation. The Kraków office is a major technological center, delivering the majority of projects. The role involves leading delivery and ongoing support of internal web applications built on data from the Data Platform.

• Minimum 3 years proven experience as a full-stack developer
• Strong front-end development skills including React, HTML, TypeScript, and Express.js
• Experience building RESTful services using Node.js
• Working knowledge of code version control (Git)
• Experience implementing unit tests and contributing to automated testing practices
• Ability to work independently and take ownership of deliverables
• Fluent English for day-to-day communication

Nice to have:

• Familiarity with Figma
• Experience with SQL databases, ideally Google BigQuery (GCP)
• Experience with tools and libraries such as ReactFlow, D3.js, TanStack (Query/Router), Vite, and Playwright

• Design and develop reusable software components for internal web pages and applications
• Build intuitive, high-quality user interfaces with a focus on usability
• Design and implement APIs to publish and serve data from the Data Platform
• Collaborate effectively with UI/UX designers, data analysts, GCP BigQuery developers, and DevOps colleagues
• Establish and promote strong engineering practices including high coding standards and maintainability