Sr. Software Engineer

Sr. Software Engineer

What you'll do at

We are seeking a Sr. Software Engineer professional in our Sunnyvale, CA office.

Duties: Responsible for understanding company business & functional requirements and help in building and supporting No SQL high performance & scalable solutions aligned with Walmartlabs product eco system. Work on the execution of multiple business plans and projects ensuring business needs are met. Responsible for planning, designing, developing, and operating our NoSQL solutions Cassandra, Solr, Kafka, Cache, etc. Design, build and operate large scale Cassandra, Kafka, Solr Cloud & Cache mission critical clusters. Contribute to ensure 99.999% uptime & availability of all production critical systems. Develop and engineer product & solutions required for NoSQL solution build and administration. Troubleshoot production performance issues like availability, latencies, thread analysis, JVM analysis, etc. Evaluate and document the RCA of any production issue. Responsible for data modeling for NoSQL applications. Responsible for Capacity Analysis and hardware projection. Provide 24*7 support on a rotation basis.

Minimum Qualifications

Minimum education and experience required: Bachelor’s degree or equivalent in Computer Science, Information Technology, or related field and 5 years of experience developing, designing and building eCommerce applications or mobile software; OR Master’s degree or equivalent in Computer Science, Information Technology, or related field and 2 years of experience developing, designing and building eCommerce applications or mobile software.

Skills required: Hands on experience in Solr cloud, Kafka, Spark, Hadoop, Cassandra. Experience in NoSQL open source technologies. Experience building, designing and managing solr cloud collection and in large cluster. Experience managing large scale Kafka broker, manager and ZooKeeper. Experience in agile methodologies. Experience supporting and performance tuning the NoSQL solutions Cassandra, Solr, Kafka, Cache in a clustered environment. Linux experience. Experience troubleshooting tasks (e.g., Latency Analysis, Thread state Analysis, mutation drop, compaction analysis). Demonstrated knowledge of add/bootstrap nodes to clusters. Demonstrated knowledge of remove/replace nodes in clusters. Demonstrated knowledge of replication between data centers. Working knowledge of hardware, including RAID, multi-processor architecture. Demonstrated knowledge of shell scripting (e.g., command line applications, batch files) and java development. Employer will accept any amount of experience with the required skills.

Wal-Mart is an Equal Opportunity Employer.

Preferred Qualifications



The Walmart US 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 merchandising, marketing, supply chain, talent and more, we are reimaging the intersection of digital and physical shopping to help achieve that mission.

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All the benefits you need for you and your family

  • Multiple health plan options
  • Vision & dental plans for you & dependents
  • Associate discounts in-store and online
  • Financial benefits including 401(k), stock purchase plans and more
  • Education assistance for Associate and dependents

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