Dennis Lim Email & Phone Number

Head of Supply Chain Engineering- WMS- TMS- Shipping carrier integrations

Seattle, Washington, United States

Responsibilities:- Led team(s) of software engineers to invent, evolve, deprecate, and maintain WMS solutions across the receive, putaway, replenishments and cycle count domains to improve warehouse productivity and drive sales. - Defined a prioritized multi-quarter product roadmap with proposed resource allocation by partnering with key business and technical stakeholders. - Audited engineer design proposals and recommended where to simplify, optimize, or extend solutions for better outcomes.- Active member for hiring and recruiting teams to enable company goals to 2x headcount. Major Achievements- Established ways of working, team charter, and expectations for the new WMS Inbound team. - Grew team from 4 engineers to 13 engineers that supported one domain to multiple domains. - Drove cross-functional efforts to improve process, efficiency, and platform.- Reduced year-over-year production ticket counts by 43%.

Bentonville, Arkansas

Responsibilities: - Led team(s) of software engineers, interns, and contractors to invent, evolve, and maintain WMS solutions across merchandise movement, trailer loading, workforce management, and supply chain innovations domains to improve warehouse productivity. - Managed vendor WSAs and contracts.- Implemented process improvements incorporating best practices to improve team efficiency, product quality, and maintainability.Major Achievements:- Migrated architecture from on-premise to native cloud solutions. - Created an optimized trailer loading solution supporting multi-stop and multi-temp zone needs.- Enabled innovation trials like autonomous MHEs, trailer check-in, image recognition via computer vision, AR order filling, and change data capture to extract on-premise data to the data lake.

Product Architect for Walmart’s Next Generation (NG) global warehouse management system (WMS) focused on the Merchandise Move (MM) domain. Environment: AngularJS client that leverages ReST micro services on an Informix/Mongo database with ESB layer to communicate with legacy systems. System accessed via handheld, touchscreen, and desktop devices. Responsibilities+ Architecture, design, and development of a system to replace multiple legacy monolithic systems with single global solution. + Defining technology roadmap for the logistics area by researching, evaluating, and implementing newer tools and frameworks.+ Contributing to the technology strategy for standards and processes.+ Communication of program status, decisions, and issues to management and business partners.+ Prioritization for the development of business and technical features.+ Diagnose and repair errors in production systems, and implement solutions to avoid repeating errors. + Indirectly responsible for up to twenty product team members. + Mentored team members of various experience in a variety of topics such as CD, CI, DevOps, culture, and career growth.Major Achievements+ Migrated from a quarterly release model to continuous delivery model that enables team to deploy confidently to production within hours of commit.+ Deployed the MM domain’s globalized product suite to 50+ distribution centers (DCs) across the world. + Converted 4+ DC market types that utilized monolithic systems to a single NG MM system.+ Pioneered automation of outage less database changes via Jenkins within the organization.+ Developed grafana dashboards to proactively monitor system health and availability to generate alerts in case of instability before customer impact.Developed a robust automated unit, smoke, regression, and performance test that has over 85% code coverage.

+ Various GLS 2 rapid response projects o Warehouse management system utilized in Walmart’s DCs o Senior Engineer / Technical Lead – Environment: 4GL, ESQL/C, VB.NET, Shell+ Hack days – Receipt Management o iOS app to help customers track their purchase history and budget o Senior Engineer / Technical Lead- Environment: Objective-C+ Logistics Test Lab Management o Enabling testers/developers to test by defining process to spin up production like test boxes o Senior Engineer - Environment: Unix, Linux, Shell, data restore, test box setup

+ WTMS (.NET, Silverlight) o Transportation system used by Walmart’s private fleet o Technical Lead – Environment: .NET, Silverlight+ Vehicle Management System BI Dashboards o Analytics system that enabled managers to monitor/track vehicle health o Senior Engineer - Environment: Data Stage, Oracle Business Intelligence, Perl

+ Appointment Scheduler Migration o Modernize the Trailer Scheduling system used by suppliers to deliver freight to DCs o Engineer – Environment: Java, Shell, IBM MQ Series+ Lifecycle Visibility (Oracle Business Intelligence) o Analytic system to enable suppliers to track their goods through the Walmart supply chain o Engineer – Environment: Oracle Business Intelligence

+ DC Yard o Yard management system to track trailers at Walmart DCs o Engineer – Environment: C++, Shell, Perl, IBM MQ Series+ SOX Compliance for Logistics Area o Ensuring logistics applications and systems were following SOX standards o Engineer – Environment: Shell, Perl