Senior Developer (WMS Development)

As a Senior Developer (WMS Development), you will be responsible for developing, enhancing, and supporting enterprise Warehouse Management System (WMS) applications, integrations, and warehouse automation solutions using Java and modern application frameworks. You will build scalable applications, REST APIs, microservices, and system integrations across WMS, ERP, OMS, and third-party platforms to enable efficient supply chain operations. You will design and implement reliable, high-performance solutions that improve inventory visibility, order fulfillment, and warehouse execution. You will leverage Azure cloud technologies, Kubernetes, and data integration platforms to modernize applications, optimize system performance, and deliver business value. You will collaborate with cross-functional teams to troubleshoot complex issues, implement enhancements, and drive continuous improvement of mission-critical warehouse and distribution systems.Responsibilities: Designs, develops, tests, and supports Java-based Warehouse Management System (WMS) applications and warehouse automation solutions.Develops scalable and maintainable applications using Java, Spring Framework (Spring MVC/Spring Boot), REST APIs, and microservices architecture.Collaborates with Product Owners, Business Analysts, and Operations teams to analyze requirements and translate business needs into technical solutions.Develops, maintains, and supports integrations between WMS, ERP, OMS, transportation systems, warehouse automation equipment, and external partner applicationsWrites clean, efficient and well-engineered front-end code that can serve as standard of excellence for other team members.Conducts code reviews, mentors other front-end developers and provides guidance on code management, release management, environment management, process flows and documentation.Explores all technical options when considering a solution, including homegrown coding, third party sub-systems, enterprise platforms and existing technology components.Actively leads collaborative efforts through all phases of software development life cycle (SDLC), including requirements analysis, technical design, coding, testing, and release support.Understands lifecycle of various technology sub-systems that comprise eCommerce platform (i.e., version, release, roadmap), including current capabilities, compatibilities, limitations and dependencies; understands and advises of optimal upgrade paths.Leverages relationships with key IT, QA and other corporate colleagues by communicating and collaborating on cross function initiatives.Develops technical documentation, such as system context diagrams, design documents and release procedures.Leads troubleshooting efforts for production issues of all levels and severities, through a hands-on approach or through delegation, and assigns to third party front-end developers as appropriate and tracks progress.Leads efforts to monitor web properties for uptime, and proactively identify future problems by analyzing trends, data and monitoring reporting.Leads efforts to identify and develop third party vendors selection based on digital roadmap and requirements, including initial research and identification, selection, contributing to contractual discussions and operational efforts.Oversees third party technology partners, including assignments, service level agreements, quality standards, work product and other deliverables as detailed in contractual agreements.Qualifications: 8+ years of hands-on Java development experience building enterprise applications using Java, Spring Framework (Spring MVC/Spring Boot), REST APIs, SQL Server, Web Services, and Git/GitHub preferred.3+ years of Warehouse Management System (WMS) development experience, including integrations, inventory management, order fulfillment, warehouse automation, and supply chain processes preferred.Strong experience developing distributed applications, microservices, API integrations, and high-volume transaction processing systems preferred.Experience with WebSphere, IBM MQ, Drools, and enterprise integration technologies preferred.Hands-on experience integrating WMS with ERP, OMS, transportation, and third-party systems preferred.Working knowledge of Azure cloud technologies including Azure Kubernetes Service (AKS), Azure Data Factory, Databricks, and containerization preferred.Experience supporting modernization and migration of legacy applications to cloud-based platforms preferred.Strong background in application design, development, performance tuning, debugging, and production support preferred.Experience working in Agile/Scrum development environments preferred.Strong analytical and problem-solving skills with the ability to diagnose and resolve complex technical issues preferred.Ability to manage multiple priorities and deliver high-quality solutions in a fast-paced environment preferred.Excellent communication and collaboration skills preferred.Experience supporting distribution center, warehouse, logistics, or supply chain operations is preferred.Bachelor's degree in eCommerce, eBusiness, information technology or related field preferred5 years required, 7 years preferred experience in a development role in an enterprise environment with responsibility for the delivery and support of world class technology solutions5 years required, 7 years preferred experience with coding experience in required language, platform, and/or technology.5 years required, 7 years preferred experience developing solutions using modern tools and practicesWorking knowledge with code management systemsWorking knowledge with intake and task management toolsWorking knowledge of the Software Development Lifecycle (SDLC)Working knowledge of development frameworksWorking knowledge with build toolsWorking knowledge of Agile delivery methodologiesAbility to multi-task and reprioritize in a dynamic environmentOutstanding written and verbal communication skillsBasic understanding of budgets including processing invoices and other financial documents through accounting processes and practices#LI-MB1This amount is what we reasonably believe we will pay for the position; however, offer amounts may vary based on factors such as geographic location, relevant education, experience, qualifications, skills, shift, or any collective bargaining agreements. For eligible positions, compensation may include participation in a bonus or sales incentive plan, subject to the terms and conditions of the applicable plan documents. For certain sales roles, Wesco also offers a commission structure that provides additional compensation based on sales results, as defined by the applicable commission plan. In addition, Wesco offers a benefits program for eligible employees, which may include paid time off, medical, dental, and vision coverage, and retirement savings plans. Additional details about benefits are available here. At Wesco, we build, connect, power and protect the world. As a leading provider of business-to-business distribution, logistics services and supply chain solutions, we create a world that you can depend on. ​ Our Company’s greatest asset is our people. Wesco is committed to fostering a workplace where every individual is respected, valued, and empowered to succeed. We promote a culture that is grounded in teamwork and respect. With a workforce of over 20,000 people worldwide, we embrace the unique perspectives each person brings. Through comprehensive benefits and active community engagement, we create an environment where every team member has the opportunity to thrive. ​ Learn more about Working at Wesco here and apply online today!​ Founded in 1922 and headquartered in Pittsburgh, Wesco is a publicly traded (NYSE: WCC) FORTUNE 500 company.​ Wesco International, Inc., including its subsidiaries and affiliates (“Wesco”) provides equal employment opportunities to all employees and applicants for employment. Employment decisions are made without regard to race, religion, color, national or ethnic origin, sex, sexual orientation, gender identity or expression, age, disability, or other characteristics protected by law. US applicants only, we are an Equal Opportunity Employer.​Los Angeles Unincorporated County Candidates Only: Qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance and the California Fair Chance Act. This posting is for a current, active vacancy intended for immediate hire.Full timePosting Date: 2026-07-15