Principal Data Engineer

1275 Crossman Ave
Sunnyvale, CA

R-2671675

$143,000 - $286,000/yr

Regular/ Permanent

Principal Engineer
responsibleforarchitectingscalabledatasystemsprocessingbillionsofadvertisingandcustomersignalsacrossreal-time,near-real-time,micro-batch,andbatchworkloads.
Ensurelowlatency,high throughput,resilience,replayability,idempotency,andcost-efficient scaling.
Unifyadvertisingdataacrosscampaigns,identity,audiences,measurement,optimization,CRM,andadvertiserlifecycle.
Build reusable,configuration-driven,multi-tenantplatformswithstandardizedschemas,contracts,governance,observability,privacy,anddeploymentpatterns.
Modernizelegacypipelinesforreal-time optimization,reporting,activation,andML.
Leadagenticdataenablementspanningdiscovery,pipeline automation,monitoring,diagnostics,cost optimization,onboarding,recommendations,andsecure,explainableproductionguardrails.

Global Ad Techand Mar Tech buildsthedataanddecisioningplatformspoweringadvertisingacross

WalmartU.S.,Sam’sClub,andinternationalmarkets.
Connects identity,intent,audiences,campaigns,inventory,bidding,relevance,creative,transactions,attribution,andmeasurementatmassivescaleinrealtime.
Enables Sponsored Products ,Display,CTV,offsite,social,andin-store advertising,plus reporting,targeting,activation,optimization,forecasting,recommendations,andadvertiseranalytics.
Operatesplatformsprocessingbillionsofevents,ad requests,andtensofbillionsofbidsdaily.
Designsforthroughput,latency,correctness,resilience,privacy,scalability,andcostefficiency.
AdvancesAIandagenticadvertisingthroughtrusted,governed,reusabledatafoundationsanddecisioningcapabilities.

• Leadthearchitectureofreal-time,large-scaleadvertisingandcustomerdataplatformsprocessingbillionsofsignalswithpredictablelatency,resilience,replayability,andcostefficiency.
• Definewhenworkloadsusestreaming,near-real-time,micro-batch,orbatchpatternswhilemodernizinglegacypipelines.
• Providetechnicalleadershipacrossthefulladvertisinglifecycle,including events,identity,audiences,campaigns,measurement,optimization,CRM,andmarketingdata.
• Build reusable,multi-tenant,configuration-drivenplatformswithstandardizedschemas,contracts,observability,privacy,and deployment.
• Establishgovernedagenticdatacapabilitiesfordiscovery,pipeline creation,monitoring,diagnosis,optimization,onboarding,andAI-ready products,withproductionguardrailsforsecurity,reliability,explainability,safety,andmeasurableoutcomesacrossglobaladvertisingbusinesses.

• Deepexpertisedesigning
  billion-scale,real-timeandnear-real-timedistributeddatasystems
  using
  
  Spark,Flink,Kafka,streaming,orchestration,and compute/storage optimization.
• Strongexperiencewith
  GCPorequivalentcloudplatforms
  ,including
  
  BigQuery,Dataproc,Dataflow,Pub-Sub,Airflow,andmoderndatainfrastructure.
• Deepunderstandingof
  low-latencyarchitecturesatScale
  ,partitioning,back pressure,replay,consistency,faulttolerance,resilience,recovery,andcostefficiency.
• Strong
  AdTech/Mar Tech expertise
  acrossretailmedia,bidding,targeting,identity,attribution,measurement,reporting,CTV,and privacy-safecollaborationisdesirable.
• Abilitytoconnect
  real-timearchitecturedecisions
  tocampaigndelivery,ROAS,reach,frequency,inventory utilization,andadvertiseroutcomes.
• Proven
  Principal-level leadership
  shaping architecture,standards,strategic trade-offs,design reviews,andseniortechnicaltalent.

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 and 5 years' experience in software engineering or related field. Option 2: 7 years' experience in software engineering or related field. Option 3:
Master's degree in Computer Science and 3 years' experience in software engineering or related…