Senior, Software Engineer - Python

Walmart•Sunnyvale, CA

1d•$117,000 - $234,000•Onsite

About The Position

As a Senior Software Engineer, you will lead the delivery of scalable, secure software solutions by managing feature development, testing, and ongoing support within collaborative teams. This role requires expertise in multiple programming languages and a strong focus on continuous integration, automation, and AI/ML integration to enhance platform capabilities. You will contribute to technical design, code quality, and operational excellence while mentoring peers and driving innovation. Your work will align with broader business objectives, ensuring reliable, high-performance systems that meet evolving customer and stakeholder needs. The Search and Personalization team at Walmart focuses on understanding customer needs to create seamless, efficient shopping experiences across online and in-store channels. The team develops intelligent, personalized solutions by leveraging advanced machine learning, natural language processing, and knowledge representation. Comprising skilled engineers, data scientists, and product experts, the team addresses complex challenges at the intersection of Walmart’s extensive assortment, millions of customers, and thousands of stores. Their work drives innovation in e-commerce by delivering tailored experiences that enhance customer engagement and satisfaction globally.

Requirements

Extensive experience in software development with proficiency in Scala, Python, PySpark, and Java, with hands-on experience building distributed data pipelines on Apache Spark.
Strong expertise in object-oriented and functional programming, code review, debugging, and documentation-based coding practices.
Proven ability to deliver scoped features and platform components through iterative development and continuous integration in a multi-tenant, multi-market environment.
Experience with big data ecosystems - GCP Dataproc, Airflow, Kafka, Cassandra, GCS, and columnar formats and optimizing for throughput, latency, and cost.
Experience with Kubernetes/WCNP deployments, CI/CD, and infrastructure-as-code practices.
Effective collaboration and communication skills to engage cross-functional teams - data science, ML engineering, product, and platform stakeholders.
Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 3 years’ experience in software engineering or related area.
5 years’ experience in software engineering or related area.

Nice To Haves

Master’s degree in Computer Science, Computer Engineering, Computer Information Systems, Software Engineering, or related area and 1 year's experience in software engineering or related area.
Background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly.
Knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture.

Responsibilities

Own delivery of scoped features and models through collaborative engineering teams, ensuring alignment with platform and system objectives.
Design, develop, test, and maintain data pipelines and platform services using Scala, Spark, Python, and PySpark on GCP Dataproc, following clean coding and documentation standards.
Integrate AI and machine learning components to enhance software capabilities and innovation.
Participate in design reviews, applying scalable and maintainable software design principles.
Conduct code reviews, debugging, and continuous integration to ensure high-quality deliverables.
Monitor application performance using Grafana, Open Observe, and platform telemetry; support ongoing reliability improvements including autoscaling optimization, cost efficiency, and SLA compliance across 9 global markets.

Benefits

Competitive pay
Performance-based bonus awards
Medical coverage
Vision coverage
Dental coverage
401(k)
Stock purchase
Company-paid life insurance
PTO (including sick leave)
Parental leave
Family care leave
Bereavement leave
Jury duty leave
Voting leave
Short-term disability
Long-term disability
Company discounts
Military Leave Pay
Adoption expense reimbursement
Surrogacy expense reimbursement
PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes
Live Better U (Walmart-paid education benefit program for full-time and part-time associates)