API Developer
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Description
• Prestigious position at one of the world’s largest banks.
• Stable, long-term projects.
• Competitive salary with a B2B contract.
• Hybrid work (6 days per month from the office in Cracow).
• Private healthcare and multisport card.
• Personal growth and development opportunities with the possibility to rotate between projects. • Strong hands-on experience building APIs and backend services in Java (this is essential).
• Solid experience with Spring Boot and build tooling such as Maven.
• Strong understanding of backend architecture concepts (service design, data access, caching, resilience).
• Strong knowledge of API architectural styles and integration patterns (REST; plus GraphQL/SOAP where applicable).
• Experience with API tooling such as Postman, Swagger UI / OpenAPI, SoapUI.
• Comfortable working with common data formats such as JSON and XML, XAML.
• Proven ability to diagnose issues, fix defects, and improve performance and reliability.
• Strong collaboration skills—able to work effectively across teams and communicate technical decisions clearly.
• Stable, long-term projects.
• Competitive salary with a B2B contract.
• Hybrid work (6 days per month from the office in Cracow).
• Private healthcare and multisport card.
• Personal growth and development opportunities with the possibility to rotate between projects. • Strong hands-on experience building APIs and backend services in Java (this is essential).
• Solid experience with Spring Boot and build tooling such as Maven.
• Strong understanding of backend architecture concepts (service design, data access, caching, resilience).
• Strong knowledge of API architectural styles and integration patterns (REST; plus GraphQL/SOAP where applicable).
• Experience with API tooling such as Postman, Swagger UI / OpenAPI, SoapUI.
• Comfortable working with common data formats such as JSON and XML, XAML.
• Proven ability to diagnose issues, fix defects, and improve performance and reliability.
• Strong collaboration skills—able to work effectively across teams and communicate technical decisions clearly.