API Senior Developer

Job Summary

We are seeking a highly skilled and organized API Manager to oversee the full lifecycle of API management across our enterprise platforms. The ideal candidate will have hands-on experience with WSO2 API Manager, Swagger/OpenAPI, and will work closely with architecture, development, integration, and security teams to ensure API strategies are aligned with business objectives, while maintaining compliance, performance, and developer experience.

Key Responsibilities

• Manage the design, development, deployment, and monitoring of APIs using WSO2 API Manager or equivalent platforms.
• Create and maintain Swagger/OpenAPI documentation for all internal and external APIs.
• Ensure consistency in API standards, naming conventions, and versioning across services.
• Collaborate with integration, backend, and DevOps teams to govern APIs from development to production.
• Define and implement API publishing workflows, access control, throttling, monetization, and analytics policies.
• Lead the creation of developer portal content including sample requests, error codes, SDKs, and how-to guides.
• Review and validate API definitions, schemas, and transformation logic (JSON, XML).
• Monitor API usage, performance, error rates, and SLA compliance using dashboards and analytics tools.
• Support developers in API onboarding and ensure comprehensive documentation and change logs are maintained.
• Conduct audits and ensure compliance with internal security standards (OAuth2, JWT, rate limiting, CORS).

• Required Qualifications
• Bachelor’s degree in Computer Science, Software Engineering, or related field.
• 3+ years of experience working with API Management platforms, preferably WSO2 APIM (v4.x or later).
• Strong expertise in Swagger/OpenAPI specifications, API mocking, and documentation best practices.
• Proficient in RESTful and SOAP APIs, HTTP methods, status codes, and authentication mechanisms.
• Familiarity with CI/CD pipelines and integration tools (Azure DevOps, Jenkins, Git).
• Experience in working with security teams to enforce API policies and access governance.
• Strong communication and documentation skills.

Preferred Skills

• Hands-on experience with API Gateway customization, VHost setup, and multi-tenancy in WSO2.
• Familiarity with DevPortal customization, subscriber roles, and lifecycle extensions.
• Experience with API analytics, Fastly, ELK, or other logging and observability tools.
• Exposure to Kubernetes, Docker, and cloud deployments (OCI, Azure, GCP).
• Knowledge of business use cases for API monetization, sandbox environments, and rate plans.