(USA) Senior, Software Engineer (Java)

Senior Backend Software Engineer

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.

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

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'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

About Walmart Global Tech

Imagine working in an environment where one line of code can make life easier for hundreds of millions of people. That's what we do at Walmart Global Tech. We're a team of software engineers, data scientists, cybersecurity experts and service professionals within the world's leading retailer who make an epic impact and are at the forefront of the next retail disruption. People are why we innovate, and people power our innovations. We are people-led and tech-empowered. We train our team in the skillsets of the future and bring in experts like you to help us grow. We have roles for those chasing their first opportunity as well as those looking for the opportunity that will define their career. Here, you can kickstart a great career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate at scale, impact millions and reimagine the future of retail.

Benefits

At Walmart, we offer competitive pay as well as performance-based bonus awards and other great benefits for a happier mind, body, and wallet. Health benefits include medical, vision and dental coverage. Financial benefits include 401(k), stock purchase and company-paid life insurance. Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting. Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more. You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes. The amount you receive depends on your job classification and length of employment. It will meet or exceed the requirements of paid sick leave laws, where applicable.

Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities. Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates. Tuition, books, and fees are completely paid for by Walmart. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to a specific plan or program terms.

The annual salary range for this position is $90,000.00-$180,000.00. Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include: Stock.