Manhattan WMOS Developer

Employment Type: Contract (Onsite Only)
Location: San Ramon, CA (Bay Area)
Duration: Long Term

Apply to: jgacareers@jgawms.com

Job Summary:

We are seeking an experienced WMOS Developer for an onsite contract position based in San Ramon, California. This role will focus on supporting and enhancing our Manhattan WMOS (Warehouse Management Open Systems) platform. The ideal candidate will bring deep technical expertise and a proven track record working in fast-paced warehouse and supply chain environments.

Relocation is permitted at the candidates own expense.

Key Responsibilities:

• Design, develop, and deploy technical enhancements and new features within the Manhattan WMOS platform.

• Provide hands-on production support, including root cause analysis and issue resolution.

• Collaborate with QA, operations, and other IT teams to ensure quality and alignment across deliverables.

• Maintain backend programs to support warehouse operations and workflows.

• Conduct unit, system, and integration testing.

• Document code, configurations, and development efforts following best practices.

• Work independently in an onsite, Agile development environment.

Required Skills:

• 10 to 12 years of overall development experience.

• Strong skills in Java, Python, or similar object-oriented programming languages.

• Solid understanding of Object-Oriented Programming (OOP) concepts and SQL.

• Experience with Agile/Scrum development methodologies.

• Proficient with Postman for API testing.

Preferred Qualifications:

• Direct experience with Manhattan WMOS (configuration, development, or support).

• Familiarity with Progress OpenEdge ABL/4GL, OpenEdge RDBMS, and AppServer.

• Exposure to front-end technologies such as HTML5, CSS3, and JavaScript.

Additional Details:

• 100% Onsite in San Ramon, CA (Bay Area) remote/hybrid is not available.

• Relocation is allowed but must be handled at the candidates own expense.

• Must be authorized to work in the U.S. no sponsorship provided.