Senior Developer (WMS Support)

As a Senior Developer (WMS Support), you will be responsible for providing senior-level technical support, maintenance, and continuous improvement for the organization's Warehouse Management System (WMS) platform. You will serve as an experienced technical resource responsible for production support, incident resolution, troubleshooting, system stability, performance optimization, and integration support. You will partner closely with warehouse operations, business stakeholders, IT teams and external vendors to ensure reliable and efficient warehouse operations. You will support application enhancements, upgrades, root cause analysis, and modernization initiatives while driving service quality and operational excellence across the WMS landscape.Responsibilities: Provides advanced production support for Warehouse Management System (WMS) applications, integrations, and warehouse automation platforms.Manages and resolves production incidents, service requests, and support tickets within established SLAs, ensuring timely communication, thorough troubleshooting, and minimal disruption to warehouse operations.Monitors application health and system performance, proactively identifying and addressing issues before they impact business operations.Ensures stable and reliable operation of WMS solutions through incident management, problem management, and continuous improvement initiatives.Works with project managers, business analysts, content specialists, and digital product owners to understand how business requirements and technical specifications will translate to actual work product across platform.Writes 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 experience in enterprise application support, production support, or software engineering roles preferred.3+ years of hands-on experience supporting Warehouse Management Systems (WMS) in a production environment preferred.Strong experience with Java, Spring Framework, SQL Server, REST/SOAP APIs, Git/GitHub, and SQL-based troubleshooting preferred.Experience supporting IBM WebSphere, IBM MQ, Drools, and Azure Kubernetes Service (AKS).Strong knowledge of Azure Data Factory and Databricks for data integration and analytics support preferred.Proven experience troubleshooting complex application, integration, and performance issues in a production environment preferred.Strong understanding of incident management, problem management, root cause analysis, and service restoration processes preferred.Experience supporting business-critical applications in a 24x7 operational environment.Excellent problem-solving, analytical, and troubleshooting skills preferred.Strong verbal and written communication skills with the ability to interact effectively with business and technical stakeholders preferred.Experience supporting Digital Transformation and modernization initiatives preferred.Understanding of ITIL processes, including Incident, Problem, Change, and Release Management, 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