Kotlin Developer – API & Security Specialist

Role Description

This is a contract hybrid role for a Kotlin Developer API & Security Specialist, located in Pune with the flexibility for some work from home. The primary responsibilities include designing, developing, and maintaining secure APIs, implementing security protocols, and ensuring the robustness of our applications. The role involves design and implement secure, high-performance backend APIs for banking/finance applications. The role focuses on secure authentication/authorization flows, API integration with SAP systems, and robust inter-service communication using gRPC and Protocol Buffers.

Qualifications

• 4-6 years of experience in Building APIs, implementing authentication/authorization, integrating with SAP & finance systems
• Industry: Banking / Finance (preferred)
• Spring Security (OAuth2, SAML2, LDAP, JWT), OpenAPI, gRPC, Protocol Buffers, API design.
• Design and develop REST and gRPC APIs using Kotlin, Spring Boot, and Protocol Buffers.
• I mplement authentication/authorization using Spring Security (OAuth2, SAML2, LDAP, JWT).
• Create and maintain API documentation with OpenAPI 3.0 & SpringDoc.
• Integrate with SAP systems and other financial applications using REST, OData, and JSON/XML protocols.
• Collaborate with backend and DevOps teams for secure deployments.
• Perform code reviews, troubleshoot issues, and ensure security compliance.
• Strong Kotlin & Spring Boot experience.
• Strong understanding of security protocols,