WSO2 API & Microservices Engineer - Payments & Cloud

OCBC; Singapore; On-site; SGD 120,000 - 180,000; Full time

Benefits offered by this job

Competitive base salary

Holistic benefits & learning

Job summary

OCBC is seeking a seasoned Software Engineer to design, develop, and maintain microservices-based APIs using Java and WSO2 across on‑premises and AWS. You will collaborate with Product Owners, Business Analysts, Tech Architects, and engineering teams to translate business requirements into scalable and secure API solutions.

Responsibilities include building APIs for end-to-end payment workflows, implementing security standards, and ensuring reliability with monitoring and observability.

Qualifications

• 5+ years of hands-on software engineering in enterprise apps.
• 5+ years in payments domain: initiation, processing, settlement, reconciliation.
• Experience with API/microservices in Java/Spring Boot.
• Experience using WSO2 API Manager & EI.
• Knowledge of API lifecycle, security, and governance.

Responsibilities

• Design, develop, and maintain microservices-based APIs using Java and WSO2.
• Collaborate with Product Owners and Architects to translate requirements into scalable APIs.
• Build, deploy, and manage RESTful APIs and integrations following enterprise standards.
• Implement API security (OAuth2, JWT, mTLS) and lifecycle management.
• Ensure reliability through monitoring, logging, and disaster recovery best practices.

Skills

API development

Java

Spring Boot

Spring Cloud

AWS

CI/CD

Agile

Collaboration

Education

Bachelor's degree in Computer Science

Tools

WSO2 API Manager

WSO2 Enterprise Integrator

Kafka

IBM MQ

Jenkins

Bitbucket

Jira

Confluence

SonarQube

Job description

OCBC is seeking a seasoned Software Engineer to design, develop, and maintain microservices-based APIs using Java and WSO2 across on‑premises and AWS. You will collaborate with Product Owners, Business Analysts, Tech Architects, and engineering teams to translate business requirements into scalable and secure API solutions.

Responsibilities include building APIs for end-to-end payment workflows, implementing security standards, and ensuring reliability with monitoring and observability.