Gabriel B. Guillen Contact

Senior Software Engineer & California Attorney

~15 years building reliable, secure, data‑intensive systems — expertise in search, privacy‑by‑design, and large‑scale data/ML pipelines.

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  • Current: PayPal/Venmo — Search Team (San Jose, CA)
  • Degrees: Harvard (Data Science), Lehigh (Financial Engineering), PhD Econ (UNLaM), CPA (UNQ), JD (UNCAus)
  • Licenses: California Bar #361094; PMP; AWS Pro/Specialty; IAPP CIPP/US & CIPT
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Recruiter Snapshot

  • Core: Python, Java, JS/TS, C/C++; Spring/Hibernate; Flask/Node; SQL/PostgreSQL
  • Systems: Search/Indexing, Distributed Systems, ETL, Spark/Hadoop, Containers, CI/CD
  • Privacy: DPIA inputs, minimization, retention, cross‑border transfers
  • Cloud/AI: AWS Pro & Specialty; LLM‑assisted dev
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Experience

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  • Search & Relevance: indexing, query understanding, latency control
  • Distributed ETL/ML: Spark/Hadoop, data pipelines, observability
  • Cloud & Security: AWS architecture, privacy‑by‑design, retention controls
  • Leadership: Legal/Privacy liaison, mentoring, standards

ATS‑Friendly Summary

Senior Software Engineer (Search, Data/ML pipelines, Distributed Systems). California Attorney (Bar #361094).
Keywords: Search/Indexing; Relevance; Query Understanding; Latency Optimization; ETL; Spark/Hadoop; Python; Java; SQL/PostgreSQL; Spring/Hibernate; Flask/Node; Docker; CI/CD; AWS (SAP‑C02, DOP‑C02, MLS‑C02, SCS‑C02, ANS‑C01, DEA‑C01, AIF‑C01); Privacy‑by‑Design; DPIA; Data Minimization; Retention Controls; Cross‑Border Data Transfers; PMP; IAPP CIPP/US, CIPT.

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Contact

Email
gguillen@alumni.harvard.edu
LinkedIn: /in/gabriel-guillen
Location: San Jose, California
Recruiters

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