Java & Kotlin Developer

Developers will be responsible for the construction, development, and maintenance of solutions in the area of electronic banking. The main tasks will include: building and maintaining backend systems, designing and developing services provided by the API Management layer, making bank products, services, and data available in an API model, integrating internal and external systems, ensuring the security of the production process and infrastructure. Business area of operation: building payment solutions, building account opening processes, building payment card issuance and service processes, integration with payment gateways, building and developing SDKs for partners and digital channels. Requirements: minimum 10 years of programming experience: Java, minimum 2 years of programming experience in GO and Kotlin, very good practical knowledge of: Spring Framework, JPA/Hibernate, REST API, OpenAPI/Swagger, experience in integrating distributed systems, ability to design and implement solutions based on relational databases (PostgreSQL, Oracle), experience working with container solutions (Docker, Kubernetes), practical knowledge of Git and CI/CD, experience working in Agile/Scrum teams, experience in the financial or payment sector, knowledge of API Management platforms, experience in building highly available solutions. We offer: B2B contract, service delivery location also at the client's office: 2 x per week, Chmielna 89, Warsaw, optional medical package, Multisport card.