Senior Full Stack Developer (React / Node.js )

Join a newly formed, high-impact delivery team in Poland responsible for the end-to-end evolution of a sophisticated web application powered by Graph Database technology. The project focuses on visualizing complex financial and ownership networks with a strong emphasis on React and Node.js.

• 7+ years of experience in software development.
• Expert knowledge of React and TypeScript, including modern React patterns and performance tuning.
• Solid experience in building server-side applications and REST/GraphQL APIs with Node.js and TypeScript.
• Extensive experience with Redux for state management.
• Proficiency with Storybook for component-driven development.
• High proficiency in English (B2/C1) for daily collaboration with US and Netherlands-based stakeholders.

Nice to have:

• Experience with data visualization libraries such as D3.js, GoJS, or Cytoscape.
• Familiarity with graph databases like Neo4j, AWS Neptune, or Cypher/Gremlin queries.
• Advanced knowledge of AG Grid for reporting.

• Lead the development of complex, data-driven web applications using React and TypeScript.
• Transform raw graph data into interactive, responsive UIs using D3.js, GoJS, or similar libraries.
• Develop and maintain scalable APIs and microservices using Node.js and TypeScript.
• Work closely with graph engineers to integrate real-time GraphQL data and high-end AG Grid reports.
• Optimize the frontend to handle and render large-scale, nested datasets without lag.
• Maintain reusable components in Storybook and ensure a consistent, scalable codebase.