Senior API Integration Developer - Banking Sector

Design, develop, and document RESTful and SOAP-based APIs using IBM API Connect and IBM DataPower. Implement industry-standard security protocols, including OAuth2, mTLS, and JWT. Create and customize API policies (XSLT, GatewayScript) within DataPower to handle complex transformations and routing logic. Manage API deployments across multiple environments and integrate API Connect into automated CI/CD pipelines.

Perform deep-dive root cause analysis on integration failures using DataPower probes and API Connect analytics. Collaborate with backend developers, security architects, and product owners to define API contracts and governance standards. Support and manage containerized API Connect deployments using OpenShift and Kubernetes.

Apply API governance best practices and versioning strategies to ensure scalable and maintainable integrations. Monitor API performance, reliability, and security across enterprise environments. Ensure compliance with organizational integration standards and security requirements. IBM Professional Certifications in IBM API Connect or IBM DataPower are a plus.

Requirements

Bachelor's degree in Computer Science, Information Technology, Software Engineering, or a related field. 7+ years of experience in API development, integration, and management. Experience in banking, financial services, telecommunications, or large enterprise integration environments is a plus. Hands-on experience with IBM API Connect and IBM DataPower Gateway.

Strong knowledge of RESTful APIs, SOAP Web Services, XML, JSON, XSD, WSDL, and related integration technologies. Experience implementing API security standards such as OAuth 2.0, JWT, mTLS, SSL/TLS, and API authentication mechanisms. Proficiency in DataPower development, including XSLT, GatewayScript, and policy configuration.

Experience with API lifecycle management, governance, versioning, and best practices. Hands-on experience with CI/CD tools and automated deployment pipelines. Familiarity with container platforms such as OpenShift and Kubernetes. Strong troubleshooting, debugging, and root cause analysis skills in complex integration environments.

Experience working with API monitoring, analytics, and performance optimization tools. Excellent communication and stakeholder management skills with the ability to collaborate across technical and business teams. Experience working in Agile/Scrum environments. IBM API Connect and/or IBM DataPower certifications are highly preferred.