Senior Developer (iSeries + API)

Job Summary

Working remotely on a contract basis, the Senior Developer (iSeries + API) will design and enhance applications across I-Series environments and modern platforms, analyze existing systems for improvements, and lead enterprise integrations to support critical business operations.

Key responsibilities

• Design, develop, and support applications and integrations across I-Series and modern technology platforms
• Analyze existing applications and recommend improvements based on business logic and data flows
• Lead the development of backend services and APIs to enable seamless data exchange between systems

Required qualifications

• Bachelor's degree in Computer Science, Information Systems, or a related field preferred, or equivalent professional experience
• Eight or more years of hands-on development experience within I-Series (AS/400) environments utilizing RPGLE and CLP
• Five or more years of experience developing backend services and APIs using REST, SOAP, JSON, and XML technologies
• Five or more years of experience developing applications and integrations using C# and .NET technologies
• Strong understanding of microservices concepts and API lifecycle management