Walmart

Staff, Software Engineer

Sunnyvale, CA 94089-4731 · US

$143,000.00 - $286,000.00/yearFull time

About the role

Position Summary...

What you'll do...

Role summary:
As a Staff Software Engineer, you'll be a technical-leader who defines the direction for and evolves the backend micro-services, data pipelines, and ML-serving infrastructure that power search at scale. You'll lead a team of 6–10 engineers, set technical vision for critical systems, navigate complex cross-functional initiatives, and drive the quality bar. You'll spend your days writing and reviewing code, leading design discussions, and making architectural decisions that shape the next-generation of Walmart Search.

We're in an active phase of platform modernization, redesigning and refactoring core systems. If you want to build, not just maintain, this is the time to join.

About the team:
The eCommerce Search team owns the end-to-end stack powering product search and discovery across Walmart's global eCommerce channels. backed by micro-services, large-scale data/feature pipelines, search engines, and ML-serving infrastructure. We handle millions of queries daily, your work will shape how millions of customers find products.

Our systems tackle:

Query & Intent Understanding - product type classification, intent recognition, and sequence tagging (NLP and deep learning)
Autocomplete — real-time query suggestions at low-latency
Retrieval — Complex query construction, faceted navigation, semantic and lexical retrieval
Ranking — multi-phase ML models (LTR/Neural) optimizing for customer satisfaction
Data & Feature Pipelines — feeding search indices, feature stores, and analytics platforms.

What you'll do:

Own technical direction for search micro-services —Core Orchestration & Retrieval, Query-Understanding, Autocomplete, Facet-Navigation, and more.
Design, build and optimize high-throughput, low-latency services, applying best practices around distributed systems, fault-tolerance, and concurrency
Architect complex query patterns with search engines to power relevance.
Design data and feature pipelines within the search ecosystem
Lead discovery and design for medium-to-large initiatives — partnering with product, data science to translate business requirements into scalable technical solutions
Drive proof-of-concepts, and validate ideas through prototypes.
Run A/B experiments; measuring impact on search quality and business metrics
Mentor engineers and foster excellence.
Collaborate with data scientists to productionize ML Models.
Own production reliability — observability, on-call, RCA's.

What you'll bring:

10+ years of experience designing and shipping production code in large-scale distributed systems — including RESTful API design, fault-tolerance, and horizontal scaling.
Deep expertise in backend development (Java and Spring Boot a plus) with strong object-oriented design fundamentals.
Hands-on experience building data/feature pipelines using streaming/batch techniques — with proficiency in technologies similar to Spark, Kafka, Hive, GCP, and Cassandra.
Track record technically leading teams, setting architectural direction, mentoring, and raising quality bar through code reviews.
Strong communication skills — creating clarity from ambiguity, articulating technical trade-offs to both engineering and non-technical stakeholders, and influencing across teams.
Familiarity with ML model integration and machine learning ecosystem.

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 $143,000.00 - $286,000.00 Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include :
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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 8 years’ experience in software engineering or related area.

Option 2: Master's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 6 years’ experience in software engineering or related area.

Option 3: 10 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 2 years' 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.

Bachelors: Computer Science, Masters: Computer Science

Primary Location...

815 Eleventh Ave, Sunnyvale, CA 94089-4731, United States of America

Walmart 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.