Software Engineer - eCom Fulfillment Manhattan

Company : Costco Wholesale
Location : Seattle, WA, 98127
Posted Date : 15 September 2025
Job Type : Other
Category : Software Development
Occupation : Software Engineer
Job Details
Software Engineer - eCom Fulfillment Manhattan
Join to apply for the Software Engineer - eCom Fulfillment Manhattan role at Costco Wholesale
Software Engineer - eCom Fulfillment Manhattan
Join to apply for the Software Engineer - eCom Fulfillment Manhattan role at Costco Wholesale
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Costco IT is responsible for the technical future of Costco Wholesale , the third largest retailer in the world with wholesale operations in fourteen countries. Despite our size and explosive international expansion, we continue to provide a family, employee centric atmosphere in which our employees thrive and succeed.
This is an environment unlike anything in the high-tech world and the secret of Costco’s success is its culture. The value Costco puts on its employees is well documented in articles from a variety of publishers including Bloomberg and Forbes. Our employees and our members come FIRST. Costco is well known for its generosity and community service and has won many awards for its philanthropy. The company joins with its employees to take an active role in volunteering by sponsoring many opportunities to help others.
Come join the Costco Wholesale IT family . Costco IT is a dynamic, fast-paced environment, working through exciting transformation efforts. We are building the next generation retail environment where you will be surrounded by dedicated and highly professional employees.
Software Engineers perform development work across the technology stack (both front-end/back-end expertise). They are versatile in how they can add value, demonstrating the ability to manage the completion of projects that involve databases, back-end services, or the development of front-end applications. They should be able to demonstrate a strong understanding of emerging technologies to support the development of new solutions. Software Engineers understand the full technology stack and underlying applications, services, and databases in order to ensure optimal performance.
Costco is looking for an experienced Manhattan Associates WMi Software Engineer to support our current implementation of Manhattan Associates WMi system. This software is currently implemented in our ommerce facilities. This position will be responsible for enhancing, maintaining, and troubleshooting our current 2004 version of the Manhattan WMS (in the process of upgrade to the 2024 version), as well as partnering with Functional Analysts and other Development teams for software enhancement and configuration, and integration with other systems such as Order Management, Warehouse Execution Systems, etc. This is an excellent opportunity to work on various internal and external applications focused on improving the Ecommerce WM processes for a fortune 500 company.
If you want to be a part of one of the worldwide BEST companies “to work for”, simply apply and let your career be reimagined.
ROLE
- Enhances the WMi software as necessary to support the prioritized business needs.
- Develops, maintains, and ensures coding standards are followed.
- Mentors less experienced team members on WMi programming concepts and tool suite.
- Trains other staff members as needed on WMi functionality.
- Oversees all unit and integration testing, training and start-up of all systems, or modifications.
- Collaborates with business leaders and users to clarify current operating procedures and functional objectives, as well as drive process and system improvements.
- Identifies opportunities for workflow/process improvements, and interacts with other areas to jointly develop ways to enhance productivity and efficiency.
- Provides WMi application support including application configuration, issue resolution, and testing.
- Ensures all incidents are resolved against SLAs.
- Interfaces with vendors to troubleshoot and resolve software issues.
- Helps ensure consistent WMi system processes across facilities.
- Estimates, plans, and manages all implementation tasks and reports on development progress.
- Performs development, optimization, and automation activities to support the implementation of a product/application.
- 3+ years’ experience implementing, configuring, and supporting Manhattan’s iSeries-based WMi solution, including:
- Experience in iSeries/RPG programming.
- Strong communication and interpersonal skills, with the ability to effectively engage individuals at all levels of the organization.
- Strong conceptual, analytical, problem-solving, troubleshooting, and resolution skills.
- Able to work effectively and produce consistent results with minimal supervision.
- Demonstrates a positive attitude, is self-motivated, responsible, conscientious, and detail-oriented.
- Ability to effectively mentor less experienced team members on programming and testing techniques.
- Good understanding of corporate IT policies, procedures, and standards.
- Able to support off-hours work as required, including weekends, holidays, and rotational on call.
- Performs 24x7 on-call support as scheduled or as needed. Available to work nights and weekends when necessary to meet the needs of the business.
- Travels occasionally and available for onsite deployments, as needed.
- Detailed knowledge in Warehouse Management/Fulfillment concepts and system solutions.
- Strong work ethic, demonstrated attention to detail and excellent time management skills.
- Experience with Distribution technologies like Mobile, RF, label printers, and Material Handling Equipment.
- Appropriate certification or equivalent experience.
- Proficient in Google Workspace applications, including Sheets, Docs, Slides, and Gmail.
- Cover Letter
- Resume
Level 1 - $85,000 - $110,000
Level 2 - $105,000 - $135,000
Level 3 - $130,000 - $160,000
Level SR - $150,000 - $190,000, Bonus and Restricted Stock Unit (RSU) eligible
Level Staff - $180,000 - $225,000, Bonus and Restricted Stock Unit (RSU) eligible
We offer a comprehensive package of benefits including paid time off, health benefits - medical/dental/vision/hearing aid/pharmacy/behavioral health/employee assistance, health care reimbursement
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