WebMethods Developer

MAVLRA CORPORATION is seeking the following.

Type: Contract
Engagement: Hybrid – First 3 days onsite (Sacramento, CA), remainder remote
Schedule: ASAP – December 31, 2026
Work Hours: 8:30am – 5:00pm Pacific Time

Key Responsibilities
API Development

Design and develop RESTful and/or SOAP web service APIs to connect enterprise systems (GIS, ERP, asset management, project controls, document management)

Ensure APIs support data exchange using secure, standardized formats (JSON, XML)

Implement authentication and authorization protocols including OAuth 2.0, JWT, SAML

Provide comprehensive API documentation using OpenAPI Specification (Swagger)

Ensure APIs are version-controlled with backward compatibility

Integrations & Interoperability

Develop connectors or middleware for interoperability between legacy systems, cloud solutions, and third-party applications

Design event-driven integrations supporting asynchronous updates and webhook capabilities

Implement robust error handling, transactional integrity, logging, and proactive monitoring

Security

Ensure compliance with cybersecurity policies and NIST / CIS Controls

Utilize data encryption in transit and at rest, secure API gateways, and conduct vulnerability assessments

Provide audit trails and detailed transaction logging

Scalability & Performance

Design for high availability, horizontal scalability, and resilience

Define and implement performance benchmarks (TPS, latency thresholds)

Testing & Quality Assurance

Develop and execute comprehensive test plans (unit, integration, system, UAT)

Support automated regression testing

Mandatory Requirements

5+ years of experience on the webMethods integration platform

2+ years with webMethods.IO (or webMethods Cloud Integration - IC) SaaS platform

Proven SAP RFC (Remote Function Call) integration experience

Demonstrated custom integration services development using Java

Senior-level proficiency including:

Integration Server

Universal Messaging

API Gateway

wM Test Suite

EDI/TN (Trading Network)

Java Service Development

webMethods.IO

Desirable Qualifications

Proficiency with wM Test Suite, EDI/TN (Trading Networks)

Certifications: Software AG Certified webMethods Developer, MuleSoft, AWS Certified Developer, Microsoft Azure Integration, PMP, or equivalent

Prior experience in public sector, utilities, or energy industry

Knowledge of secure software development, identity and access management, and cybersecurity best practices

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