Senior Software Engineer

Walmart Stores SUNNYVALE, CA

About the Job

Position Description


Search processes billions of queries for millions of products on Walmart sites and apps worldwide. Whenever a user
types in a query or browses through product categories on the web site, phone or the iPad, our service goes to work. We
mine structured and semi-structured data from product catalogs, social web, transactions, query logs, etc. at an
unprecedented scale. We work on big data problems, cutting edge relevance algorithms from information retrieval,
machine learning, and ranking to deliver a high-availability, low-latency service, which directly impacts business
metrics.


Position Description:
• Participates the discovery phase of medium to large projects to come up with high level design
• Designs, implements and tests complex code changes for specific business requirements
• Analyzes business needs and develops plans to implement software requirements in conjunction with product
management and architects.
• Independently handles high impact, critical software/systems monitoring issues and tickets/ incidents.
• Models compliance with company policies and procedures and supports company mission, values, and
standards of ethics and integrity
• Troubleshoots business and production issues
• Be excited about making an immediate impact on a global scale

Minimum Qualifications


• 3+ years of experience with building scalable, high performing and robust Java applications
• Extensive Java / JEE programming experience with a focus on server side components
• Extensive experience in developing Web applications; Experience with Spring framework
• Experience with open source search engines like solr, lucene or elastic search
• Advanced scripting skills in at least one of the following: Python, Perl or Shell and willingness to learn new technologies
• Experience with Eclipse or other IDE development tools
• Experience with Continuous Integration and related tools (i.e. Jenkins, Hudson, Maven)
• Experience with Code Quality Governance related tools (Sonar, Gerrit, PMD, FindBugs, Checkstyle, Emma,
Cobertura, JIRA, etc)
• Experience with Source Code Management Tools (GitHUB, SVN, CVS, Clearcase)
• Expertise with some or all of Apache, JBoss / Tomcat, Jetty, JMS or other application servers like WebLogic, etc.
• Knowledge of standard tools for optimizing and testing code
• Ability to operate effectively and independently in a dynamic, fluid environment
• Bachelor’s degree in Computer Science or closely related field

Additional Preferred Qualifications


• Master’s degree or higher in Computer Science or related field
• Experience in the search domain highly desirable
• Experience with big data methodologies involving Hive/Hadoop/ Spark; knowledge of relational databases

Company Summary


The Walmart eCommerce team is rapidly innovating to evolve and define the future state of shopping. As the world’s largest retailer, we are on a mission to help people save money and live better.  With the help of some of the brightest minds in technology, merchandising, marketing, supply chain, talent and more, we are reimagining the intersection of digital and physical shopping to help achieve that mission.

Position Summary


Search processes billions of queries for millions of products on Walmart sites and apps worldwide. Whenever a user
types in a query or browses through product categories on the web site, phone or the iPad, our service goes to work. We
mine structured and semi-structured data from product catalogs, social web, transactions, query logs, etc. at an
unprecedented scale. We work on big data problems, cutting edge relevance algorithms from information retrieval,
machine learning, and ranking to deliver a high-availability, low-latency service, which directly impacts business
metrics.


Position Description:
• Participates the discovery phase of medium to large projects to come up with high level design
• Designs, implements and tests complex code changes for specific business requirements
• Analyzes business needs and develops plans to implement software requirements in conjunction with product
management and architects.
• Independently handles high impact, critical software/systems monitoring issues and tickets/ incidents.
• Models compliance with company policies and procedures and supports company mission, values, and
standards of ethics and integrity
• Troubleshoots business and production issues
• Be excited about making an immediate impact on a global scale