Position Summary

Through the innovative fusion of retail, social and mobile, @WalmartLabs is redefining Commerce for the largest retailer worldwide. We are a group comprised of the brightest technologists and business people in the industry, excited about the limitless opportunities that this next generation of Commerce will bring to billions of people around the globe, all in an effort to help them save money and live better. As the idea incubator for the world's largest global retailer, we don't just build products, we create experiences. Every day is an opportunity to reshape the landscape of ecommerce while having a lasting impact on the industry. @WalmartLabs taps into the talents of online retail visionaries to design, prototype and build technology-fueled products that bridge the gap between what's next and what's best. @WalmartLabs brings together dozens of engineers, scientists and product experts to execute a cutting edge vision. If you're fluent in the language of innovation, @WalmartLabs is a place to become a leading change agent. Join us.

Search processes billions of queries for millions of products on Walmart sites and apps worldwide. Search assist technologies: spell check, typeahead, related queries are the entry point for search. Even before a user completes a search query on the website, smartphone or tablet, our services 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

• Develops Innovation strategies, processes, and best practices
• Drives the execution of multiple business plans and projects
• Ensures business needs are being met
• Leads and participates in medium- to large-scale, complex, cross-functional projects
• Leads the discovery phase of medium to large projects to come up with high level design
• Leads the work of other small groups of six to ten engineers, including offshore associates, for assigned Engineering projects
• Promotes and supports company policies, procedures, mission, values, and standards of ethics and integrity
• Provides supervision and development opportunities for associates
• Supports business objectives
• Troubleshoots business and production issues
• Utilizes industry research to improve Wal-Mart's technology environment

Minimum Qualifications

• Master’s degree or higher in Computer Science or related field
• Practical experience in variety of applied machine learning, information retrieval, data mining, statistics, NLP or related techniques
• Strong programming skill in one of the following languages: Java, Python, Scala, C/C++.
• 3+ years of experience with building scalable, high performing and robust applications
• Experience with big data methodologies involving Hive/Hadoop/ Spark;
• Strong competences in algorithm design, complexity analysis, data structures, software design.
• Familiarity with backend development (Java, Solr, Apache stack) is strongly preferred

Additional Preferred Qualifications

• PhD in Computer Science or related field
• Experience in the search assist technologies (spell check, typeahead, related queries) highly desirable
• Advanced level of knowledge of Solr, Lucene or experience in building custom search engines
• Solid hands-on experience developing search quality/relevance products, ideally full development cycle of search improvements: search analysis, algorithm design, development, evaluation, A/B testing, deployment
• Strong machine learning and statistical modeling skills