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Paul Harrison

Sample profile

Senior Backend Engineer at Electronic Arts · Payments infrastructure · gRPC, Go

Works at
Electronic Arts
Location
Vancouver, BC · PT (UTC-8)
Experience
9+ years experience
Education
University of Alberta
Languages
English, Arabic
Co-founder
Message Connect

Overview

I work on payments infrastructure at Electronic Arts in Vancouver. Took payment success rates from 93.6% to 96.2%. Before that: Cohere and RBC. Most at home with Go and Kafka. Trail runner and occasional climber.

Good reasons to reach out
  • People who want to build this with me
  • Second opinions on Go decisions
  • Questions about payments infrastructure
Please don't message about
  • Generic networking requests
  • Offshore staffing offers
  • Courses and coaching offers

Best reached early in the week

Skills
gRPCGoKafkaidempotency
Co-founderLooking for a co-founder
closes in 3 months

Looking for an ML-focused co-founder for loyalty programmes for construction firms

The idea
Looking for an ML-focused co-founder for loyalty programmes for construction firms
Stage
Customer interviews
I bring
6 years in payments infrastructure
Looking for
Technical co-founder who has shipped B2B software
Commitment
Full-time after funding
Location
Vancouver or remote

I bring 9 years of payments infrastructure (currently Electronic Arts). Ideally you've run operations in North America. Full-time from day one.

Vancouver, BCkafkagoidempotency
Open

Experience

  1. Senior Backend Engineer
    Jun 2025 - Present
    Electronic Arts · 1 yr 5 mo · Full-time · Vancouver, BC
    • Took payment success rates from 91.9% to 98.5%.
    • Mentored 5 engineers through their first promotion.
    • Wrote the Kafka service that now handles 52 million requests a day.
  2. Backend Engineer
    Nov 2022 - Jun 2025
    Cohere · 2 yr 7 mo · Full-time · Vancouver, BC
    • Moved 61% of payments platform traffic off a legacy monolith without a customer-facing incident.
    • Reduced cloud spend on payments platform by 21% in two quarters.
  3. Backend Engineer
    Jun 2020 - Nov 2022
    RBC · 2 yr 5 mo · Full-time · Vancouver, BC
    • Reduced cloud spend on payments platform by 22% in two quarters.
  4. Backend Engineer
    Aug 2018 - Jun 2020
    Loblaw · 1 yr 10 mo · Full-time · Vancouver, BC
    • Shipped a rewrite that took build times from 26 minutes to under 6.
  5. Backend Engineer
    Oct 2017 - Aug 2018
    Electronic Arts · 10 mo · Full-time · Vancouver, BC
    • Designed the reconciliation system that matches 2 million transactions a day.
    • Shipped a rewrite that took build times from 38 minutes to under 6.

References

No references yet.

Education

  1. University of Alberta
    BSc, Computer Science
    2012 - 2016

Details

Compensation expectations
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