Full-Time

Full Stack Senior Data Scientist

Mle, Applied AI

Updated on 3/14/2025

Walmart

Walmart

10,001+ employees

Operates hypermarkets and e-commerce platforms

Compensation Overview

$117k - $234kAnnually

+ Performance Bonuses + Stock

Senior

No H1B Sponsorship

Sunnyvale, CA, USA

Hybrid work model; immigration sponsorship not available for this location; relocation to Bentonville, AK is possible.

Category
Full-Stack Engineering
Software Engineering
Data & Analytics
Required Skills
Microsoft Azure
Python
Data Science
Apache Spark
Machine Learning
Apache Kafka
Java
Microservices
C/C++
Google Cloud Platform
Requirements
  • PHD in Computer Science with 2+ Years of Industry Experience.
  • Strong knowledge in statistics and machine learning.
  • Ability to develop scalable and high-performance systems for optimization and machine learning problems, leveraging languages like Java, C++, and Python.
  • Strong understanding of software design patterns.
  • Experience in developing scalable, distributed systems and working with microservices architectures.
  • Familiarity with data processing tools and frameworks such as Apache Kafka or Spark.
  • Hands-on experience with a cloud environment like GCP or Azure, including managed services for ML and optimization workflows.
  • Experience in low-latency systems, with a proven ability to optimize computationally intensive algorithms for performance and scalability.
Responsibilities
  • Build Walmart-scale optimizations to improve store operations efficiency, boost GMV, using cutting-edge techniques in the industry.
  • Support the model development lifecycle from ideation to deployment, ensuring high standards of model performance and robustness.
  • Design and deploy production-grade machine learning models, GenAI models, and optimization algorithms using robust software engineering principles. Build and optimize RAG (Retrieval-Augmented Generation) systems and agentic solutions.
  • Write clean, maintainable, and efficient code with a focus on testability, modularity, and reusability.
  • Design scalable inference systems for real-time and batch predictions.
  • Optimize model performance for latency, throughput, and resource efficiency.
  • Build monitoring tools and processes to ensure system reliability and performance.
  • Debug and resolve issues in a live production environment, ensuring minimal downtime.
Desired Qualifications
  • Data science, machine learning, optimization models, Master’s degree in Machine Learning, Computer Science, Information Technology, Operations Research, Statistics, Applied Mathematics, Econometrics.
  • Successful completion of one or more assessments in Python, Spark, Scala, or R.
  • Using open source frameworks (for example, scikit learn, tensorflow, torch).
  • Knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly.

Walmart operates a chain of hypermarkets, discount department stores, and grocery stores, providing a wide variety of products at low prices to everyday consumers, families, and communities. The company combines physical retail locations with an e-commerce platform, allowing customers to shop for groceries, apparel, electronics, and household items both in-store and online. Walmart's efficient supply chain management and large-scale purchasing enable it to maintain affordability, setting it apart from competitors. The company also offers financial services and health and wellness services, including pharmacies and vision centers. Walmart's goal is to save people money and support communities, as demonstrated by its efforts during the COVID-19 pandemic and its commitment to social responsibility, including programs for veterans and military families.

Company Size

10,001+

Company Stage

IPO

Headquarters

Bentonville, Arkansas

Founded

1962

Simplify Jobs

Simplify's Take

What believers are saying

  • Walmart's partnership with Roblox targets Gen Z and Gen Alpha through immersive experiences.
  • The expansion of Walmart's resale program attracts fashion-conscious consumers seeking affordable luxury.
  • Collaborations for health and hunger relief initiatives strengthen Walmart's community-focused image.

What critics are saying

  • Identity verification issues with Spark drivers could disrupt operations and harm reputation.
  • Store closures in the US may lead to loss of market share and customer loyalty.
  • Security vulnerabilities in payment systems pose financial and reputational risks.

What makes Walmart unique

  • Walmart's omnichannel approach integrates physical stores with a robust e-commerce platform.
  • The company offers a wide range of products at consistently low prices.
  • Walmart's community support initiatives enhance its brand reputation and customer loyalty.

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Benefits

PTO: Paid vacation, sick time, personal time and holiday time

10% discount on regularly priced general merchandise and fresh fruits and vegetables

6% 401(k) match to all employees, including hourly workers, after one year

Roth IRA available

Associate Stock Purchase Plan

maximum and eligible preventive care covered at 100%

Health reimbursement plans

Company News

Arkansas Online
Mar 14th, 2025
Walmart confirming identity of Spark delivery drivers

Walmart asked its Spark delivery drivers this week to take their drivers licenses to stores so their identities could be verified amid claims of fraud and misuse of drivers' accounts.

Asad Art
Mar 12th, 2025
Amazon Is the Latest Retailer Selling $50 Hermés Birkin and Kelly Dupes

Discourse surrounding the accessibility of the luxury French house accessory reached a fever pitch late last year, when Walmart launched their own resale program for designer items, in addition to affordable dupes.

Bleeding Cool
Mar 11th, 2025
Hasbro Debuts Exclusive Transformers Age of the Primes Sideways

Discover Hasbro's new Sideways figure, exclusive to Walmart's Collector Con event.

Merca20
Mar 10th, 2025
Walmart to close stores in the US in mass! Where?

Walmart to close stores in the US in mass!

NJBIZ
Mar 10th, 2025
Hain Celestial expands partnership with Walmart's hunger relief campaign

Hain Celestial is once again teaming up with Walmart and Feeding America to fight food insecurity.