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API Systems Application Software Developer

Jobgether

Up to $125,000
Dec 4, 2025
Remote, US
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The partner company is looking for an API Systems Application Software Developer to design, develop, and maintain complex software applications that support critical mission objectives, architecting scalable, secure, and high-performing solutions.

Requirements

  • Hands-on expertise with WebMethods, API Gateway, API Portal, and API Catalog.
  • Strong experience with web services, service discovery protocols, messaging protocols, and schema design.
  • Familiarity with XML Gateway, middleware, and cloud environments preferred.

Responsibilities

  • Design, develop, test, and maintain enterprise-level software applications.
  • Architect scalable, secure, and efficient solutions that meet business and mission requirements.
  • Administer and develop within WebMethods, SoftwareAG API Gateway, API Portal, and API Catalog.
  • Support integration with middleware, XML Gateway, and web services, including RPC, SOAP, JAX-RS, and JMS.
  • Participate in schema design, performance tuning, and troubleshooting of application servers and XML Gateways.
  • Collaborate with cross-functional teams to ensure seamless integration and high-quality delivery.
  • Maintain compliance with security and governance policies for software and API deployments.

Other

  • 10+ years of professional software development experience, with 5-7 years in complex enterprise applications.
  • U.S. citizenship and active Public Trust/MBI clearance, or ability to obtain one.
  • Excellent analytical, problem-solving, and communication skills with the ability to work independently and collaboratively.