Senior React.js Developer – Financial Technology

Project overview

Unleash innovation — craft seamless, scalable front-end experiences that redefine user engagement!

Warsaw-based opportunity with hybrid work model.

As a Senior React Developer, you will be working for our client, a leader in enterprise-scale financial technology dedicated to delivering cutting-edge digital portals. You will help build high-performance, user-centric front-end solutions that empower clients and enhance usability, driving digital transformation in the financial services industry. This role offers a unique opportunity to shape impactful digital experiences and accelerate your career in fintech innovation.

Responsibilities

You're ideal for this role if you have:

Language required for the role: Fluent English command.

Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role.

#MAKEYourCareerBETTER

Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

• Design and develop scalable front-end features using React.js, TypeScript, and modern tooling, ensuring compliance with enterprise design systems.
• Build reusable UI components and contribute to shared component libraries for consistent user experiences.
• Collaborate closely with design and backend teams to deliver pixel-perfect, accessible, and performance-optimized interfaces.
• Integrate front-end applications with REST APIs and microservices to enable seamless data flow.
• Participate in code reviews, agile ceremonies, and sprint planning to foster continuous improvement and innovation.
• Troubleshoot UI issues and resolve defects to maintain high-quality output in production environments.
• Support automated testing procedures (unit and integration tests) to ensure robust, reliable code.
• At least 5 years of experience in frontend development, with over 6 years focused on React.js and enterprise application projects.
• Strong expertise in React.js, TypeScript, and modern front-end architecture patterns such as component-based design and state management (Redux, Context API).
• Solid understanding of REST/GraphQL API integration and familiarity with design tools like Figma.
• Knowledge of accessibility standards (WCAG) and experience optimizing for cross-browser compatibility.
• Exposure to CI/CD pipelines, containerized environments, and micro frontend concepts (module federation) is a plus.
• Basic SQL/database knowledge is advantageous.

Project details

• Start: flexible
• Remote: hybrid
• Location: Warszawa, PL