WebMethods Integration Developer

Role: WebMethods Integration Developer Location: Sacramento, CA (Hybrid) Duration: 6+ months
Overview: The Client is seeking a leased employee to support its 2026 IT organizational portfolio. The resource will design, develop, and secure APIs and integrations to support major capital projects across enterprise systems.
Key Responsibilities: API Development

• Design and develop RESTful and/or SOAP APIs
• Integrate enterprise systems (GIS, ERP, Asset Mgmt, Project Controls, DMS)
• Secure APIs using OAuth 2.0, JWT, SAML, or Client-approved protocols
• Provide OpenAPI/Swagger documentation
• Version control and backward compatibility management

Integrations & Interoperability

• Build integrations across legacy, cloud, and third-party systems
• Develop middleware/connectors (event-driven, async, webhooks where applicable)
• Implement robust error handling, logging, monitoring, and transactional integrity

Security

• Ensure compliance with Client's cybersecurity policies, NIST, CIS Controls
• Encryption in transit and at rest
• Secure API gateways, vulnerability assessments, audit trails

Scalability & Performance

• High availability, horizontal scalability, fault tolerance
• Define TPS and latency benchmarks for mission-critical processes

Testing & QA

• Unit, integration, system, and UAT testing
• Automated regression testing (webMethods Test Suite)
• Full documentation and knowledge transfer

Mandatory Requirements:

• 5+ years' experience with webMethods Integration Platform
• 2+ years' experience with webMethods.IO/Cloud Integration (IC)
• Proven SAP RFC integration experience
• Strong Java service development experience
• Senior-level expertise with:
  • Integration Server
  • Universal Messaging
  • API Gateway
  • WebMethods Test Suite
  • Trading Networks (EDI/TN)
  • webMethods.IO

Desirable Qualifications:

• Relevant certifications (Software AG webMethods, MuleSoft, AWS, Azure, PMP, etc.)
• Prior experience in public sector/utilities/energy environments
• Strong background in secure software development and IAM best practices