Overview
On Site
USD 143,000.00 - 286,000.00 per year
Full Time
Skills
Agile
Servers
Advertising
Retail
Inventory
Network
OTT
Digital Signal Processing
SSP
Bridging
Broadcasting
Microservices
CUE
Streaming
HLS
Dash Python
Workflow
Amazon Web Services
Google Cloud
Google Cloud Platform
Media
OM
SDK
Real-time
Privacy
Machine Learning (ML)
Interfaces
Adapter
IDS
Kubernetes
SLA
Dashboard
Collaboration
Leadership
Product Requirements
Engineering Design
Mentorship
Open Source
Video
JavaScript
Finance
Life Insurance
Military
Exceed
Software Asset Management
English
Computer Science
Computer Engineering
Information Systems
Software Engineering
Web Content
WCAG
Assistive Technology
Accessibility
Job Details
Position Summary...
Walmart's Advertising Technology group enables the connection between supplier brands and retail shoppers at unprecedented scale. We are a highly motivated group of engineers and data scientists, working in an agile group to solve sophisticated and high impact problems. We serve billions of ad requests every month with our high-performance ad servers.
We are building a first-party, privacy-centric advertising platform that unites retail data, smart-TV inventory, and a growing CTV publisher network. Our mission is to deliver relevant, measurable ad experiences while giving consumers full control of their data.
What you'll do...
As an Ad Tech Engineer on our CTV team, you will design, build, and scale low-latency services that power server-side ad insertion (SSAI), dynamic ad decisioning, and real-time measurement across millions of smart TVs and OTT devices. You'll collaborate with product managers, data scientists, privacy engineers, and DSP/SSP partners to create an end-to-end stack that bridges broadcast-quality video with programmatic precision.
Key Responsibilities
Ad Delivery & Decisioning
Streaming & SSAI
Measurement & Privacy
Programmatic Interfaces
Reliability & Observability
Collaboration & Leadership
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 ;br>
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:
- 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 4 years' experience in software engineering or related area.Option 2: 6 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.
Primary Location...
680 West California Avenue, Sunnyvale, CA 94086-4834, United States of America
Walmart's Advertising Technology group enables the connection between supplier brands and retail shoppers at unprecedented scale. We are a highly motivated group of engineers and data scientists, working in an agile group to solve sophisticated and high impact problems. We serve billions of ad requests every month with our high-performance ad servers.
We are building a first-party, privacy-centric advertising platform that unites retail data, smart-TV inventory, and a growing CTV publisher network. Our mission is to deliver relevant, measurable ad experiences while giving consumers full control of their data.
What you'll do...
As an Ad Tech Engineer on our CTV team, you will design, build, and scale low-latency services that power server-side ad insertion (SSAI), dynamic ad decisioning, and real-time measurement across millions of smart TVs and OTT devices. You'll collaborate with product managers, data scientists, privacy engineers, and DSP/SSP partners to create an end-to-end stack that bridges broadcast-quality video with programmatic precision.
Key Responsibilities
Ad Delivery & Decisioning
- Develop microservices for ad selection, pacing, and frequency capping that handle >100 k QPS under <100 ms p99 latency.
- Implement VAST 4.x / VAST 4.2, SCTE-35 cue-tone parsing, and OpenRTB 2.6 bid request/response logic for CTV.
Streaming & SSAI
- Build and optimize HLS/DASH manifest manipulation and stitched-segment workflows using AWS MediaTailor, Google Cloud Platform Media CDN, or an in-house stack.
- Ensure frame-accurate ad breaks and seamless transitions across HDR, 4K, and variable-bitrate profiles.
Measurement & Privacy
- Integrate IAB OM-SDK-CTV signals, ACR fingerprints, and privacy-preserving identifiers (PPIDs, EIDs) to attribute outcomes in real time.
- Partner with the privacy team to apply differential privacy, on-device ML models, and clean-room pipelines (e.g., Secure Multi-Party Computation) for closed-loop ROAS measurement.
Programmatic Interfaces
- Build APIs for header-bidding adapters, Prebid.js/Prebid Server for CTV, and custom RTB auctions supporting deal-IDs, first-party audiences, and dynamic floors.
- Work with supply-side and demand-side partners to certify integrations and troubleshoot bid-stream anomalies.
Reliability & Observability
- Automate rollouts via Kubernetes and GitOps; enforce canary releases and blue/green deployments.
- Instrument distributed tracing (OpenTelemetry), anomaly detection, and SLA dashboards to guarantee five-nines uptime during live sports and tent-pole events.
Collaboration & Leadership
- Translate product requirements into engineering design docs, influence architecture decisions, and mentor junior engineers.
- Contribute to open-source Ad Tech projects (Prebid, Video.js, IAB Tech Lab) and represent the company in industry working groups.
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 ;br>
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:
- 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 4 years' experience in software engineering or related area.Option 2: 6 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.
Primary Location...
680 West California Avenue, Sunnyvale, CA 94086-4834, United States of America
Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.