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Senior, Software Engineer (Backend)

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Senior, Software Engineer (Backend) in USA

  • Walmart
  • Full time
  • Email
  • Sunnyvale, CA

Responsibilities

  • Design and build high-throughput, low-latency services for offer selection and pricing.
  • Build and evolve Kafka and Flink streaming and batch pipelines feeding algorithms and AI/ML models.
  • Partner with data scientists to productionize ML models and measure customer impact through A/B testing.
  • Use AI agents and AI-assisted development and help shape team practices around them.
  • Lead design and code reviews and improve the path from pull request through canary deployment.
  • Build flip-analysis, parity-testing, and experiment-dashboard tooling.
  • Drive technical discussions with product, science, and partner teams across Search, Item Page, and Recommendations.

Requirements

  • 5+ years of software engineering or related experience, including 3+ years with Java and/or Python.
  • Bachelor’s degree in a relevant field and 3 years of experience, or 5 years of software engineering or related experience.
  • Strong foundation in distributed systems, data structures, and algorithms.
  • Experience building and operating highly available, fault-tolerant, scalable microservices using REST or GraphQL.
  • Hands-on experience with streaming systems such as Kafka or Flink.
  • Experience with a public cloud such as GCP or AWS.
  • Ability to own ambiguous problems end to end, drive cross-team design decisions, and explain complex technical ideas clearly.
  • Preferred: production-grade AI/ML systems, experimentation platforms and large-scale A/B testing, BigQuery, Airflow, ML pipeline tooling such as TensorFlow or Kubeflow, pricing or marketplace systems, and Node.js or React.
  • Preferred: master’s degree in a relevant field with 1 year of related experience; knowledge of WCAG 2.2 AA, assistive technologies, and digital accessibility best practices.

Benefits

  • Full-time onsite work in Sunnyvale, CA; remote and hybrid options are not available.
  • 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, and performance incentive awards.

Walmart

Walmart is a global omnichannel retailer that sells groceries, general merchandise, and services through Walmart and Sam's Club stores and online marketplaces for consumers and small businesses. Its model spans physical retail, e-commerce, advertising, and a vast supply chain, plus pharmacy, heal...

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