Beatriz Machado

S

Director of Engineering at Delta Bio · Search and ranking · Elasticsearch, learning to rank

Delta Bio
São Paulo, Brazil · BRT (UTC-3)
11+ years experience
PUCP
English, Portuguese
Messaging unavailable

Overview

Currently at Delta Bio, where I lead search and ranking with a team of 18. Cut p99 latency on the search services from 572ms to 71ms. Shipped a rewrite that took build times from 17 minutes to under 4. Before that: BBVA México and Petrobras. Most at home with Lucene and Java.

Good reasons to reach out
  • Second opinions on A/B testing decisions
Please don't message about
  • Offshore staffing offers
  • Unpaid work or spec projects

Travels often; replies within 48 hours

Skills
ScalaLuceneJavalearning to rankA/B testingElasticsearchMVVM

Experience

  1. Director of Engineering
    Jul 2024 - Present
    Delta Bio · 2 yr 3 mo · Full-time · São Paulo, Brazil
    • Mentored 5 engineers through their first promotion.
    • Grew the search team from 5 to 28 engineers.
  2. Senior Engineering Manager
    Jan 2023 - Jul 2024
    BBVA México · 1 yr 6 mo · Full-time · São Paulo, Brazil
    • Mentored 4 engineers through their first promotion.
  3. Staff Software Engineer
    Oct 2020 - Jan 2023
    Petrobras · 2 yr 3 mo · Full-time · São Paulo, Brazil
    • Cut p99 latency on the search services from 625ms to 76ms.
  4. Senior Software Engineer
    Jun 2018 - Aug 2020
    Bradesco · 2 yr 2 mo · Full-time · São Paulo, Brazil
    • Reduced cloud spend on search by 45% in two quarters.
    • Shipped 28 launches on the search team without a rollback.
  5. Senior Software Engineer
    Apr 2016 - May 2018
    Google · 2 yr 1 mo · Full-time · São Paulo, Brazil
    • Shipped 7 launches on the search team without a rollback.

Projects

Side project: a recipe search engine
2025

Built with MVVM and A/B testing. 2444 people used it last year.

References

No references yet.

Education

  1. PUCP
    Ingeniería, Information Technology
    2007 - 2011

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