Apply Location SUNNYVALE, CA Career Area Software Development and Engineering Job Function Software Engineering and Architecture Employment Type Regular/Permanent Position Type Salary Requisition WD2240443 What you'll do at 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 

Develop microservices for ad selection, pacing, and frequency capping that handle >100 k QPS under