
IT Consultant – Integration & Development – Cards Transformation (Polish is Mandatory) (She/He/They)
Capcoabout 2 months ago
Warsaw, PolandMid Level / Senior
H1B Sponsor
Responsibilities
- Develop and configure integrations including ISO8583 adapters, POS/ATM handlers, and system interfaces.
- Implement data mapping, transformations, validation rules, and error handling.
- Build and maintain batch/ETL processes, data migrations, and reconciliation tools.
- Implement logging, monitoring, and observability aligned with engineering standards.
- Support SIT/UAT phases by resolving defects and ensuring system stability and performance.
Requirements
- Experience delivering integration solutions in banking environments.
- Strong development experience with Java (17), Spring Boot, Kafka, OpenShift, and PostgreSQL.
- Proven ability to build reliable transactional systems with focus on consistency, idempotency, and observability.
- Experience working with ISO8583 messaging and complex payment integrations.
- Understanding of CI/CD, containerization, and modern development practices.
- Fluent Polish (spoken and written) is mandatory.
Benefits
- Flexible collaboration model based on a B2B contract.
- Opportunity to work on diverse projects.
Tech Stack
Categories
BackendData Engineering