Senior Frontend Engineer

📍 Location: Kraków, Poland (hybrid - 2 days per week in the office) 📄 B2B Contract: 180 - 200 PLN / hour

We are looking for a Senior Frontend Engineer to join an international project delivered for a large organization within the financial services sector. The team is responsible for developing and maintaining a global payments platform that enables fast and secure fund transfers across multiple channels, including supplier payments, salaries, and tax transactions. This role focuses on building modern user interfaces and front-end services that support payment processing systems (e.g. SEPA, SWIFT) as well as internal tools used across the EMEA region. You will work in an Agile, DevOps-driven environment, contributing to scalable and high-performance solutions.

Key Responsibilities:

• Develop and maintain modern front-end applications using React, TypeScript, and Java
• Build UI services and micro frontends supporting payment processing systems
• Collaborate with backend engineers to integrate APIs and microservices
• Improve system usability through intuitive interfaces and user-focused design
• Contribute to reducing operational complexity by building interactive tools and dashboards
• Support automation initiatives, including test automation and CI/CD improvements
• Enhance system efficiency and Straight-Through-Processing (STP) capabilities
• Maintain and modernize legacy UI components (e.g. JSP-based solutions)
• Work closely with stakeholders and distributed teams across different regions

What We Offer:

• Long-term cooperation on an enterprise-scale international project
• Opportunity to work on high-impact global payment systems
• Real influence on user experience and internal platform development
• Private medical care (LuxMed) & Multisport card
• Collaboration with experienced, international engineering teams