Want to professionalize your AI skills, pivot to an AI role and increase your salary?
Master AI Engineering with the most practical and comprehensive LLM Development certifications at Towards AI Academy.

Walmart

(USA) Principal, Software Engineer

Walmart

Published 09 May 2026
Sunnyvale, CA, USA
132K - 286K USD Annual
Part Time
Full Time

Share this job

Role Highlights

Languages used

C++

Key skills

Deep Learning
Feature Engineering
Information Retrieval
Machine Learning
Data Science
Computer Science
Information Systems
Problem Solving
Stakeholder Management
LLMs
Optimization
Testing
AI
PhD

Tools, Libraries and Frameworks

Vue.js
AD
ADS

Description

The role involves designing, implementing, and optimizing core machine learning models for ad ranking and optimization systems. The engineer collaborates with data science and product teams to formulate problems and gather requirements. Responsibilities include building scalable data pipelines, executing feature engineering, and conducting offline model training and online testing. The position requires leading team discussions on new technologies and iterating on model tuning to improve performance. Additionally, the role focuses on extracting insights from production data to identify model improvement opportunities.

Required Qualifications and Skills

Candidates must possess a bachelor's degree in computer science or a related field with five years of experience, or seven years of experience in software engineering. Proficiency in Java, Python, or C++ is required, along with hands-on experience in deep learning and machine learning algorithms. Familiarity with LLM applications for relevance scoring and engagement predictions is necessary. A master's or PhD is preferred, and experience in AdTech is considered a strong plus.

Disclaimer

Disclaimer: Job and company description information and some of the data fields may have been generated via GPT-4 summarisation and could contain inaccuracies. The full external job listing link should always be relied on for authoritative information.

About the company

Walmart

Size

404042

Founded

HQ

Bentonville, US

Public/Private

Public Company

Description

Sixty years ago, Sam Walton started a single mom-and-pop shop and transformed it into the worlds 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, were reinventing the shopping experience and our associates are at the heart of it. When you join our Walmart family of brands (Sam's Club, Bonobos, Moosejaw and many more!), youll 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 youre proud of.

Share

Share this job

Related jobs

Computer Science
Integrations
API
CICD
Denver, CO, USA
Part Time
Full Time
Freelancer
Deep Learning
Feature Engineering
Information Retrieval
Machine Learning
Sunnyvale, CA, USA
Part Time
Full Time
Computer Science
Integrations
API
CICD
Denver, CO, USA
Part Time
Full Time