Staff Software Engineer

Staff Software Engineer

What you'll do at

• Work on design and implementation of high-availability, low-latency search service to process billions of queries for millions of products on Walmart sites and apps worldwide.

• Help design and implement cache layer that supports different systems in search like Preso, Polaris, Perceive to store metadata and cached data, and improve the search performance.

• Work with the search big data team to build and maintain search log analysis pipeline for performance tracking and analysis.

• Build and prototype Verticals programs like Home category to customize user experience to increase conversion and improve engagement.

• Work on Spring and other related technologies to design and develop high-performance and scalable applications for use by search team.

• Lead the design and implementation of distributed applications that are built using latest technologies like Micro Services, nosql database, Web APIs, and Kafka.

• Interact with business to provide robust technical solution to business problems. Collaborate with distributed teams on high impact initiatives.

Minimum Qualifications

• 5+ 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
• Experience with no-sql technologies like Couchbase, Cassandra or Hbase
• Experience with distributed publish-subscribe messaging system like Kafka
• 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

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

About Walmart Labs

Imagine working in an environment where one experiment can catapult an entire industry toward a smarter future. That’s what we do at Walmart Labs. We’re a team of 5,000+ software engineers, data scientists, designers and product managers within Walmart, the world’s largest retailer, delivering innovations that improve how our customers shop and our enterprise operates.

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All the benefits you need for you and your family

  • 100% coverage for in network preventative care
  • Retirement Plan
  • Vision Plans
  • Dental Plans
  • Exclusive Discounts

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