Emily Kelly

S

Senior Backend Engineer at Trellis Systems · Payments infrastructure · distributed systems, gRPC

Trellis Systems
Montreal, QC · ET (UTC-5)
3+ years experience
University of British Columbia
English, French, Hindi
Messaging unavailable

Overview

Currently at Trellis Systems, where I work on payments infrastructure. Shipped a rewrite that took build times from 20 minutes to under 2. Designed the reconciliation system that matches 2 million transactions a day. Most at home with Go and gRPC. I mentor students through university programmes.

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Skills
GoPostgreSQLidempotencygRPCKafkadistributed systemsPCI DSS

Experience

  1. Senior Backend Engineer
    Oct 2023 - Present
    Trellis Systems · 3 yr · Full-time · Montreal, QC
    • Took payment success rates from 95.4% to 96.7%.
    • Shipped a rewrite that took build times from 16 minutes to under 5.
    • Brought on-call pages for payments platform down from 35 a week to 2.

Projects

Side project: a commute planner
2023

Built with distributed systems and Kafka. 463 people used it last year.

Conference talk: lessons from payments platform
2022

What went wrong and what worked while scaling payments infrastructure.

References

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Education

  1. University of British Columbia
    BSc, Electrical Engineering
    2018 - 2022

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