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Elena OBrien

Sample profile

Software Engineer, Plume Bio - A/B testing · learning to rank · Scala

Works at
Plume Bio
Location
Denver, CO · MT (UTC-7)
Experience
2+ years experience
Education
Princeton University
Languages
English

Overview

I work on search and ranking at Plume Bio in Denver. Wrote the A/B testing service that now handles 77 million requests a day. Shipped 25 launches on the search team without a rollback. I mentor first-time managers when I can.

Good reasons to reach out
  • Working sessions on A/B testing
Please don't message about
  • Requests to fix your code for free
  • Recruiters for roles outside my stack

Answers in batches on Fridays

Skills
A/B testingJavaScalaLucenelearning to rank

Experience

  1. Software Engineer
    Sep 2025 - Present
    Plume Bio · 1 yr 2 mo · Full-time · Denver, CO
    • Moved 79% of search traffic off a legacy monolith without a customer-facing incident.
    • Shipped 15 launches on the search team without a rollback.
    • Wrote the Java service that now handles 3 million requests a day.
  2. Software Engineer
    Oct 2024 - Sep 2025
    Target · 11 mo · Full-time · Denver, CO
    • Wrote the Java service that now handles 14 million requests a day.

References

No references yet.

Education

  1. Princeton University
    AB, Information Technology
    2020 - 2024

Details

Compensation expectations
What they are targeting for their next role.
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Direct contact details
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