(USA) Principal, Software Engineer
at Walmart Tech
Location
(USA) Crossman Excellence Building CA SUNNYVALE Home Office; Bellevue, WA
Compensation
$143k–$286k USD
Type
full time
Posted
2 days ago
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Job description
Position Summary...
What you'll do...
Role summary:
As a Principal Software Engineer, you will be responsible for designing, implementing and optimizing the core machine learning models that power Walmart ad ranking and optimization systems. You will work closely with Data Science and Product on requirement gathering and problem formulation, execute independently on feature engineering, offline model training and online model testing, lead team discussion on learnings and new technologies, and iterate on model tuning and improvement. By applying sound technical judgment and continuous improvement, you are committed to building reliable and high-performance models that meet customers' needs while advancing Walmart’s technology vision.
About the team:
The mission of Walmart Display Ads is to connect brand owners and shoppers with relevant display ads. We bring brand awareness and rich product information to shoppers and help brand owners grow their business. The Display Ad Serving team builds advanced services with cutting edge technologies, to understand shopper intent and surrounding context, serve relevant ads and optimize campaign performance. The team emphasizes strong project and stakeholder management, continuous improvement, and engineering excellence. It fosters a culture of coaching, problem solving, and innovation to drive impactful results while maintaining operational efficiency and alignment with strategic priorities.
What you'll do:
- Collaborate with stakeholders to translate business needs into actionable technical requirements and measurable outcomes.
- Collaborate with Data Scientists to prototype new algorithms and build ML model roadmaps.
- Build scalable data pipelines for information retrieval and feature engineering.
- Apply advanced AI/ML technologies to improve shopper intent understanding, contextual relevance, CTR/CVR predictions, etc.
- Extract insights from production data and turn them into model improvement opportunities.
- Stay on top of industry trends, and uplift engineering teams on best practice, code optimization, and new technologies.
What you'll bring:
- Proficiency in one of the programming languages, Java, Python, C++, etc.
- Proven records for training, deploying, evaluating and operating high throughput machine learning algorithms.
- Solid understanding of popular machine learning algorithms and hands-on experience of deep learning.
- Familiarity with LLM applications in relevance scoring and engagement predictions.
- Bachelor's degree in computer science or related fields. Master and PhD are preferred.
- AdTech experience is a strong plus.
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.
Sunnyvale, California US-11657: The annual salary range for this position is $143,000.00 - $286,000.00
Bellevue, Washington US-11663: The annual salary range for this position is $132,000.00 - $264,000.00 Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include :
- Stock
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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 5 years’ experience in software engineering or related area.Option 2: 7 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 3 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.