WSO2 API MS Engineer
Oversea-Chinese Banking Corporation Limited3 months ago
Singapore, SingaporeSenior
Responsibilities
- Design, develop, and maintain microservices-based APIs using Java and WSO2 API Manager.
- Build, deploy, and manage APIs, integrations, and microservices across on-premises and AWS environments.
- Develop payment-processing solutions covering payment initiation, clearing, settlement, reconciliation, and reporting.
- Implement API security using OAuth2, JWT, mutual TLS, and WSO2 API lifecycle management.
- Develop integrations using messaging, event-driven, and middleware technologies.
- Improve service reliability through monitoring, logging, alerting, performance tuning, and disaster recovery practices.
- Prepare API specifications, architecture diagrams, operational procedures, and support documentation.
- Participate in code reviews, design discussions, architecture reviews, and Agile ceremonies.
- Troubleshoot, debug, and provide production support for critical payment applications and API services.
- Identify opportunities for AI-assisted automation in API development, testing, monitoring, and operational support while validating compliance with enterprise standards.
Requirements
- More than 5 years of hands-on software engineering experience in enterprise application development.
- At least 5 years of end-to-end payments domain experience covering initiation, processing, clearing, settlement, reconciliation, and operations.
- Strong hands-on experience with Java, Spring Boot, Spring Cloud, API development, and microservices.
- Experience implementing and managing APIs with WSO2 API Manager and WSO2 Enterprise Integrator.
- Knowledge of API lifecycle management, governance, and security best practices.
- Experience with JSON, XML, OpenAPI/Swagger, and SOAP services.
- Experience with cloud platforms, preferably AWS, and containerized application deployment.
- Experience with messaging and event-driven architectures using Kafka, IBM MQ, or similar technologies.
- Knowledge of payment standards and protocols including ISO 20022, SWIFT, and real-time payments frameworks.
- Experience with monitoring, logging, observability, application resiliency, and production support.
- Familiarity with Jenkins, Bitbucket, Jira, Confluence, SonarQube, and DevOps toolchains.
- Strong analytical, troubleshooting, problem-solving, collaboration, and independent-working skills.
- Preferred experience in banking, payments, transaction banking, or financial services organizations.
- Preferred knowledge of SWIFT, FAST, PayNow, GIRO, ACH, RTGS, or instant payment platforms.
- Preferred experience supporting high-volume critical payment systems with stringent SLA requirements.
Benefits
- Competitive base salary.
- Holistic and flexible benefits supporting different lifestyles.
- Community initiatives.
- Industry-leading learning and professional development opportunities.
- Equal opportunity and fair employment based on ability, fit, culture, and values.
- Support for employee wellbeing, growth, and aspirations.
Tech Stack
Categories
About Oversea-Chinese Banking Corporation Limited
Oversea-Chinese Banking Corporation (OCBC) is a Singapore-headquartered bank founded in 1932 that provides consumer, corporate, investment, and transaction banking, plus wealth and private banking, insurance, asset management, and stockbroking. It serves retail customers, SMEs, and large enterprises across key markets including Singapore, Malaysia, Indonesia, and Greater China. OCBC is publicly listed on the Singapore Exchange and operates subsidiaries such as Bank of Singapore, Great Eastern, Lion Global Investors, OCBC NISP, and OCBC Wing Hang.