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Senior, Software Engineer (Java)

Walmart
Bentonville, USA
Full-time
Senior · 5+ years experience
Onsite
Discovered 3 weeks ago
cassandragcpgrafanajavakafkakotlin

Full Job Posting

Key Responsibilities:

  • Architect, design, and implement complex backend systems for pricing services using Java and Python (Kotlin experience is a plus)
  • Lead integration of GenAI LLMs and machine learning models into backend services
  • Design and optimize data storage with Cassandra, data streaming with Kafka, and large-scale processing with Apache Spark
  • Develop and manage big data ETL jobs
  • Implement and maintain monitoring and visualization dashboards with Grafana
  • Mentor and guide junior engineers; lead technical discussions and reviews
  • Collaborate with data scientists, ML engineers, and product managers to deliver pricing solutions
  • Ensure best practices in code quality, testing, and documentation
  • Drive continuous improvement in system performance, scalability, and reliability
  • Bachelor’s or Master’s degree in Computer Science or related field
  • 5+ years of backend development experience
  • Deep expertise in Java; experience with Kotlin is a plus, strong Python skills preferred
  • Experience with Cassandra (or similar distributed NoSQL databases)
  • Experience with Kafka (or similar messaging/streaming platforms)
  • Experience designing and building large-scale distributed systems
  • Proficiency with RESTful APIs and microservices
  • Experience integrating machine learning models and/or GenAI LLMs into production preferred
  • Experience with Apache Spark for big data processing preferred
  • Hands-on experience with GCP (Google Cloud Platform) preferred
  • Experience with monitoring/observability tools such as Grafana preferred
  • Excellent leadership, communication, and problem-solving skills
  • You’ll sweep us off our feet if...
  • You have experience leading technical design discussions and mentoring junior engineers
  • You have a strong sense of ownership and focus on delivering business impact
  • You are passionate about performance, scalability, and reliability at massive scale
  • You thrive in fast-paced, agile environments and enjoy solving hard technical problems
  • All your information will be kept confidential according to EEO guidelines.
  • Walmart Global Tech is at the forefront of AI innovation, leveraging cutting-edge technologies to redefine customer experiences. We are seeking a Senior Machine Learning Engineer with deep expertise in Generative AI, LLMs, and scalable system design to drive impactful solutions.

Qualifications

  • Bachelor’s or Master’s degree in Computer Science or related field
  • 5+ years of backend development experience
  • Deep expertise in Java; experience with Kotlin is a plus, strong Python skills preferred
  • Experience with Cassandra (or similar distributed NoSQL databases)
  • Experience with Kafka (or similar messaging/streaming platforms)
  • Experience designing and building large-scale distributed systems
  • Proficiency with RESTful APIs and microservices
  • Experience integrating machine learning models and/or GenAI LLMs into production preferred
  • Experience with Apache Spark for big data processing preferred
  • Hands-on experience with GCP (Google Cloud Platform) preferred
  • Experience with monitoring/observability tools such as Grafana preferred
  • Excellent leadership, communication, and problem-solving skills
  • You have experience leading technical design discussions and mentoring junior engineers
  • You have a strong sense of ownership and focus on delivering business impact
  • You are passionate about performance, scalability, and reliability at massive scale
  • You thrive in fast-paced, agile environments and enjoy solving hard technical problems

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