Senior, Software Engineer - Python

Walmart; Sunnyvale (CA); On-site; USD 117,000 - 234,000; Full time

Benefits offered by this job

Health benefits

401(k) matching

Stock purchase plan

Paid time off

Job summary

Walmart in Sunnyvale, CA is seeking a Senior Software Engineer to lead the delivery of scalable, secure software, managing feature development, testing, and ongoing support within collaborative teams.

You will design data pipelines, implement in Scala, Spark, Python, and Java on GCP Dataproc, integrate AI/ML, and drive CI/CD, code quality, and operational excellence. This role mentors peers and aligns with business goals for high-performance systems.

Qualifications

• Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area.
• 3 years’ experience in software engineering or related area.
• Preferred: 5 years’ experience in software engineering or related area.

Responsibilities

• Own delivery of scoped features and models through collaborative engineering teams.
• Design, develop, test, and maintain data pipelines and platform services.
• Integrate AI and machine learning components to enhance software capabilities.
• Conduct design reviews and apply scalable software design principles.
• Perform code reviews, debugging, and continuous integration to ensure high-quality deliverables.
• Monitor performance and drive reliability improvements across global markets.

Skills

Scala

Python

Java

Spark

PySpark

CI/CD

Data pipelines

Machine learning

GCP Dataproc

Education

Bachelor's degree in Computer Science, Computer Engineering, or related area

Master’s degree in Computer Science or related field

Tools

GCP Dataproc

Airflow

Kafka

Cassandra

Kubernetes

Job description

1395 Crossman Ave
Sunnyvale, CA 94089-1114

R-2585128

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$117,000 - $234,000/yr

Regular/ Permanent

Position Summary...

What you'll do...

Role summary:
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.
About the team:
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.

What you’ll do:

• Owndeliveryofscopedfeaturesandmodelsthroughcollaborativeengineeringteams,ensuringalignmentwithplatformandsystemobjectives.
• Design,develop,test,andmaintaindatapipelinesandplatformservicesusingScala,Spark,Python,andPySparkonGCPDataproc,followingcleancodinganddocumentationstandards.
• IntegrateAIandmachinelearningcomponentstoenhancesoftwarecapabilitiesandinnovation.
• Participateindesignreviews,applyingscalableandmaintainablesoftwaredesignprinciples.
• Conductcodereviews,debugging,andcontinuousintegrationtoensurehigh-qualitydeliverables.
• MonitorapplicationperformanceusingGrafana,OpenObserve,andplatformtelemetry;supportongoingreliabilityimprovementsincludingautoscalingoptimization,costefficiency,andSLAcomplianceacross9globalmarkets.

What you’ll bring:

• ExtensiveexperienceinsoftwaredevelopmentwithproficiencyinScala,Python,PySpark,andJava,withhands-onexperiencebuildingdistributeddatapipelinesonApacheSpark.
• Strongexpertiseinobject-orientedandfunctionalprogramming,codereview,debugging,anddocumentation-basedcodingpractices.
• Provenabilitytodeliverscopedfeaturesandplatformcomponentsthroughiterativedevelopmentandcontinuousintegrationinamulti-tenant,multi-marketenvironment.
• Experiencewithbigdataecosystems-GCPDataproc,Airflow,Kafka,Cassandra,GCS,andcolumnarformatsandoptimizingforthroughput,latency,andcost.
• ExperiencewithKubernetes/WCNPdeployments,CI/CD,andinfrastructure-as-codepractices.
• Effectivecollaborationandcommunicationskillstoengagecross-functionalteams-datascience,MLengineering,product,andplatformstakeholders.

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. For information about PTO, see https://one.walmart.com/notices . 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.
For information about benefits and eligibility, see One.Walmart .
The annual salary range for this position is $117,000.00 - $234,000.00 Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include :
- Stock

Minimum Qualifications...

Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.

Option 1: 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.
Option 2: 5 years’ experience in software engineering or related area.

Preferred Qualifications...

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.

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., We value candidates with a 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. The ideal candidate would have 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.

Primary Location...

1395 Crossman Ave, Sunnyvale, CA 94089-1114, United States of AmericaWalmart and its subsidiaries are committed to maintaining a drug-free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment.

Walmart is committed to maintaining a drug-free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment.

Benefits you’ll enjoy

Discount Card

Get 10% off

Walmart associates are eligible for a 10% discount card on most regular-priced items and fresh produce in-store and on select items at Walmart.com. Eligible after 90 days of employment.

Live Better U

100% covered

Earn a degree or in-demand skills certificates with no debt- Walmart covers 100% of tuition and books. Live Better U offers 60+ programs for Associates to pursue their dreams.

Ready to grow your career? Walmart Academy offers job-specific retail training and leadership courses to help Associates reach their career goals.

Enjoy 401(k) matching and stock purchase plans.

Paid time off

Take a break as needed for vacation, sick leave, holidays, parental leave, and more

Medical, dental, vision, and wellness programs for you and your family

Access mental health resources and assistance programs for life’s challenges

Training, leadership programs, and clear paths to advance.

Imagine a workplace surrounded by innovation.At Walmart’s new Home Office in Bentonville, Arkansas, we’re redefining what it means to work at a global leader.

Set on 350 acres of thoughtfully revitalized land, our new campus seamlessly integrates the charm of Northwest Arkansas with cutting edge design and technology. From biking trails and outdoor courtyards to flexible, tech-enabled workspaces, every detail reflects our commitment to sustainability, connection, and culture.

With amenities like on-site childcare at our Little Squiggles Children’s Enrichment Center, the Walton Family Whole Health & Fitness Center, and a vibrant food hall featuring local and international favorites, we’re creating a space where work-life balance isn’t just a goal—it’s a reality.
Beyond the campus, Bentonville offers a dynamic lifestyle with world-class dining, art at the Crystal Bridges Museum, and countless outdoor activities.

Whether you’re exploring High South cuisine, enjoying live performances at our new amphitheater, or cycling the Razorback Greenway, you’ll experience the perfect blend of small-town charm and big-city amenities.

Join us at Walmart and grow your career alongside a community that feels like home.

This isn’t just a workplace—it’s a destination for leaders eager to make a difference.