(USA) Senior, Software Engineer (Java)

Walmart • Bentonville, AR

83d • $90,000 - $180,000

About The Position

As a Senior Backend Software Engineer on Walmart's Pricing team, you will lead the design and development of large-scale backend event-driven systems leveraging GenAI LLMs, machine learning, Cassandra, Kafka, Apache Spark, and GCP. You'll architect scalable solutions to power pricing systems, mentor engineers, and drive innovation that impacts millions of customers. Your work will directly impact millions of Walmart customers and associates by ensuring competitive, accurate, and timely prices across our online and store channels.

Requirements

• 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

Nice To Haves

• Experience leading technical design discussions and mentoring junior engineers
• Strong sense of ownership and focus on delivering business impact
• Passionate about performance, scalability, and reliability at massive scale
• Thrive in fast-paced, agile environments and enjoy solving hard technical problems

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

Benefits

• 401(k) match
• Stock purchase plan
• Paid maternity and parental leave
• PTO
• Multiple health plans
• Performance-based bonus awards
• Medical, vision and dental coverage
• Company-paid life insurance
• Short-term and long-term disability
• Company discounts
• Military Leave Pay
• Adoption and surrogacy expense reimbursement
• Live Better U education benefit program

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Industry: General Merchandise Retailers
• Education Level: Bachelor's degree