Senior Frontend Engineer
28 800 - 32 000 PLN
brutto miesięcznie (B2B)
📍 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
Requirements:
- Strong hands-on experience with React 18, TypeScript 5, Bootstrap 5
- Solid understanding of RESTful APIs and microservices architecture
- Experience working with SQL and databases
- Java8+ essential, Java17+ preferable
- Familiarity with legacy frontend technologies (e.g. JSP)
- Experience working in Agile / DevOps environments
- Strong analytical and problem-solving skills
- English proficiency at B2+ level
Nice to Have:
- Experience in payments / financial systems
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









