050 - Senior Java & Axway API Gateway Developer

Job Role/Level: Senior Java & Axway API Gateway Developer Location: Changi Business Park Cotract: 12 months Skills & Experience: 6+ years of experience in Java development and API technologies. Strong hands-on experience with Axway API Gateway , Policy Studio, API Manager, and .FED deployments. Proficient in Java, Microservices, REST APIs, Maven, Git/Bitbucket, and CI/CD pipelines . Experience in API design, development, deployment, and production support. Strong troubleshooting and incident management skills. API Security Expertise (Mandatory) Deep understanding of OAuth 2.0 , including Client Credentials, Authorization Code, JWT Bearer, and Refresh Token flows. Strong knowledge of JWT token generation, validation, claims, signing, and encryption . Hands-on experience implementing and managing API security policies within Axway API Gateway. Experience with PGP encryption/decryption , digital signatures, key management, and certificate handling. Good understanding of SSL/TLS, mTLS, PKI, OAuth, OpenID Connect, and API threat protection . Knowledge of OWASP API Security Top 10 and enterprise API security best practices. Responsibilities Design, develop, and support enterprise APIs and integration solutions. Configure and maintain Axway API Gateway policies and security controls. Implement authentication, authorization, encryption, and API protection mechanisms. Work closely with application, infrastructure, security, and DevOps teams. Perform root cause analysis, troubleshooting, and performance optimization for API platforms. Support API deployments, governance, and lifecycle management activities. Nice to Have Experience with Kafka, IBM MQ, Docker, Kubernetes, Splunk, Dynatrace, AWS, or Azure. Prior experience in banking, financial services, or large enterprise environments.