Jenna Spencer

Sample

Staff Backend Engineer at PepsiCo | ex-Morgan Stanley

PepsiCo
Portland, OR · PT (UTC-8)
12+ years experience
UC Berkeley
English
Open to work
Messaging unavailable

Overview

I've spent 12 years on payments infrastructure - first at Robinhood, now at PepsiCo. Built the experimentation framework 13 product teams use to ship changes safely. Before that: Morgan Stanley and Workday. Most at home with idempotency and distributed systems. Learning woodworking.

Good reasons to reach out
  • Roles in payments infrastructure
  • Speaking or podcast invitations
  • Second opinions on Java decisions
Please don't message about
  • Agency or outsourcing pitches
  • Crypto token projects
  • SEO and link-building offers

Usually replies within a day

Skills
PCI DSSdistributed systemsPostgreSQLJavagRPCidempotency
Open to workLooking for a role
closes in 3 months

Next role: Backend Engineer in healthtech, Portland or hybrid

Target roles
Backend Engineer
Level
Mid
Industries
B2B SaaS, AI infrastructure
Work mode
Remote
Available
30 days notice
Work authorization
Authorized to work in the OR
What I'm looking for
Early-stage company (Series B) where payments infrastructure is core to the product.
Not interested in
Agencies and outsourcing firms

12 years in payments infrastructure. Strongest at gRPC and PostgreSQL. Open to the right conversation.

Portland, ORdistributed systemsjavapci dss
Open

Experience

  1. Staff Backend Engineer
    Apr 2023 - Present
    PepsiCo · 3 yr 6 mo · Full-time · Portland, OR
    • Designed the reconciliation system that matches 4 million transactions a day.
    • Cut p99 latency on the payments platform services from 691ms to 61ms.
    • Brought on-call pages for payments platform down from 40 a week to 4.
  2. Engineering Manager
    Dec 2020 - Apr 2023
    Morgan Stanley · 2 yr 4 mo · Full-time · Portland, OR
    • Wrote the Java service that now handles 86 million requests a day.
  3. Senior Backend Engineer
    Feb 2019 - Dec 2020
    Workday · 1 yr 10 mo · Full-time · Portland, OR
    • Mentored 9 engineers through their first promotion.
  4. Backend Engineer
    Jul 2015 - Feb 2019
    Okta · 3 yr 7 mo · Full-time · Portland, OR
    • Reduced cloud spend on payments platform by 19% in two quarters.
  5. Backend Engineer
    Oct 2014 - Jul 2015
    Robinhood · 9 mo · Full-time · Portland, OR
    • Took payment success rates from 92.5% to 96.3%.
    • Reduced cloud spend on payments platform by 40% in two quarters.

Projects

Side project: a reading list app
2023

Built with PCI DSS and Java. 3486 people used it last year.

References

No references yet.

Education

  1. UC Berkeley
    BA, Computer Science
    2009 - 2013

Details

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