Senior Java & Axway API Gateway Developer

idc technologies (singapore) pte. ltd.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

idc technologies (singapore) pte. ltd. seeks a seasoned API specialist to design, develop, and support enterprise APIs and integrations. You will configure Axway API Gateway policies, enforce strong authentication and encryption, and work with security, DevOps, and infrastructure teams to deliver robust API platforms.

The role emphasizes production support, incident response, and governance across the API lifecycle, including migration and deployment activities for enterprise environments.

Qualifications

• 6+ years of experience in Java development and API technologies.
• Hands-on experience with Axway API Gateway, Policy Studio, API Manager, and .FED deployments.
• Proficiency in Java, Microservices, REST APIs, Maven, Git/Bitbucket, and CI/CD pipelines.
• Experience designing, developing, deploying, and supporting APIs in production.
• Strong troubleshooting and incident management skills.
• Deep understanding of OAuth 2.0 and related flows; JWT token generation, validation, and encryption; API security policies; and PKI/SSL/OpenID Connect/OWASP API Top 10.

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.
• Collaborate 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.
• This role is for one of our project requirements.

Skills

Java development

API technologies

Axway API Gateway

Policy Studio

API Manager

.FED deployments

Java

Microservices

REST APIs

Maven

Git/Bitbucket

CI/CD pipelines

Troubleshooting

Incident management

OAuth 2.0

JWT token generation

API security policies

PGP encryption/decryption

SSL/TLS

mTLS

PKI

OpenID Connect

OWASP API Security Top 10

Tools

Axway API Gateway

Policy Studio

API Manager

.FED deployments

Job description

Key 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.
• This role is for one of our project requirements

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.