API Developer
First seen by Alion on Oct 15, 2026.
Job Overview:
We are looking for an experienced API Developer with expertise in IBM API Connect or Axway API Management (APIM). You will be responsible for API development, migration, integration, and security, ensuring seamless transitions between API management platforms while maintaining high performance, scalability, and reliability.
Key Responsibilities:
- Lead API migration from existing API management platforms to IBM API Connect or Axway APIM.
- Design, develop, deploy, and validate APIs while ensuring seamless functionality and optimal performance.
- Conduct gap analysis and modify existing APIs to meet target platform requirements.
- Integrate APIs with backend services and third-party applications.
- Implement API security, authentication, and authorization mechanisms.
- Work with API gateways, OAuth 2.0, API keys, JWT, JWKS, and other authentication standards.
- Implement security protocols, including Mutual TLS, Basic Authentication, SSO, SAML, encryption, decryption, signing, and verification.
- Develop and maintain API specifications using OpenAPI Specification (OAS) in YAML format.
- Work with CI/CD pipelines and DevOps frameworks to automate API deployment.
- Collaborate with API owners, stakeholders, and technical teams to ensure successful project delivery.
- Monitor API performance, troubleshoot issues, and implement optimization strategies.
Required Skills:
- 4+ years of experience in API Development or similar.
- Hands-on experience with IBM API Connect or Axway API Management (APIM).
- Strong experience in API development, API gateways, API migration, and integration.
- Good understanding of API authentication, authorization, and security standards.
- Experience with OAuth 2.0, API Key Management, JWT, JWKS, SSO, SAML, and Mutual Authentication.
- Proficiency in OpenAPI Specification (OAS), YAML, JSON, and REST APIs.
- Knowledge of XSLT, XPath, XQuery, and Regular Expressions (RegEx).
- Experience with CI/CD pipelines and DevOps practices.
- Familiarity with Git, Bitbucket, Jenkins, JIRA, Confluence, and Kibana.
- Strong analytical, troubleshooting, and problem-solving skills.
- Excellent communication and stakeholder management skills.
Preferred Experience:
- Experience in API migration projects involving multiple API management platforms.
- Understanding of API security best practices and enterprise integration standards.
- Ability to work collaboratively with cross-functional teams in a project-driven environment.
Total Experience: 4-7 years
Skills
API, RESTful, OAuth, API Connect, OpenAPI, API Integration, Axway, YAML, API Implementation