Tik Tok is hiring: Ads Targeting Data Engineer, Ads Core in San Jose

What You’ll Do Own foundational targeting data and platform capabilities with high availability, accuracy, freshness, and scalability
Base targeting dimensions: gender, age, geo, device, language, network, etc.
Audience & tagging system: definitions, hierarchy, refresh strategy, backfills, cross‑device unification
Design and implement large‑scale batch/stream pipelines: ingestion, ETL, aggregation, profile generation, tag updates, external serving
Build a reliable data quality framework: validation, lineage, monitoring/alerting, SLAs, automated backfill and repair
Provide standardized capabilities for ads delivery/strategy systems: audience package generation/management, tag query services, foundational targeting rule engine, access control & auditing
Collaborate with ML/product/compliance to ensure stable production rollout and iterative improvements (performance/reach/cost/UX)
Minimum Qualifications BS+ in CS/SE/Data Engineering or related fields
3+ years (adjustable) in data engineering/platform roles; able to own critical pipelines end‑to‑end
Strong SQL and data modeling; hands‑on with big data stack (Spark/Hive/Kafka/Flink/Airflow, etc.)
Proficient in Java/Scala/Python; solid engineering and performance tuning skills
Strong ownership of data governance, definitions, quality and stability
Effective cross‑functional communication and execution
Preferred Qualifications Experience in ads/recommender data platforms: user profiles, tagging, audience segmentation, DMP/CDP
Real‑time profile or low‑latency serving at scale (high QPS, caching/consistency)
Privacy/compliance implementation experience (minimization, anonymization, access control, auditing)
Compensation The base salary range for this position in the selected city is $156,000 – $316,800 annually.
Compensation may vary outside of this range depending on a number of factors, including a candidate’s qualifications, skills, competencies and experience, and location. Base pay is one part of the Total Package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives, and restricted stock units.
Benefits Employees have day one access to medical, dental, and vision insurance, a 401(k) savings plan with company match, paid parental leave, short‑term and long‑term disability coverage, life insurance, wellbeing benefits, among others. Employees also receive 10 paid holidays per year, 10 paid sick days per year and 17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure).
Equal Employment Opportunity For Los Angeles County (unincorporated) Candidates: Qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state, and local laws including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Our company believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment:
1. Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues;
2. Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; and
3. Exercising sound judgment.

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