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.
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
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.
Sixty years ago, Sam Walton started a single mom-and-pop shop and transformed it into the world’s biggest retailer. Since those founding days, one thing has remained consistent: our commitment to helping our customers save money so they can live better. Today, we’re reinventing the shopping experience and our associates are at the heart of it. When you join our Walmart family of brands, you’ll play a crucial role in shaping the future of retail, improving millions of lives around the world.
We are ecstatic to have been named a Great Place to Work® Certified May 2023 – May 2024, Disability: IN 2023 Best Places to Work, and Fast Company 100 Best Workplaces for Innovators 2023.
This is that place where your passions meet purpose. Join our family and build a career you’re proud of.
