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Senior Backend Engineer résumé example

Senior Backend Engineer résumé example — senior, written for United States, set in the Plainsong design
Senior Backend Engineer résumé example, in the Plainsong design

Eight years of distributed systems work, told through what each system did for the business rather than what it was built with.

Written for United States, at senior, in the software field, shown in the Plainsong design. Every name, employer, address and number below is invented.

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Marcus Whitfield — Senior Backend Engineer

Austin, TX

Backend engineer with eight years on payment and messaging systems that cannot go down. Took a checkout service from 1.2% failed transactions to 0.08%, and now leads the three-person group that owns it.

Experience

Senior Backend Engineer, Northbank Payments · March 2022 – present

Payments platform group of nine. Owns authorization, settlement and the merchant ledger.

  • Rebuilt the authorization path around an idempotency ledger, taking failed transactions from 1.2% to 0.08% and ending a class of duplicate-charge refunds worth about $340k a year.
  • Cut p99 settlement latency from 2.4s to 310ms by replacing nightly batch reconciliation with an event-sourced ledger in Go.
  • Led the migration of 40 services to a shared gRPC contract, retiring 11k lines of per-service HTTP glue.
  • Wrote the on-call runbook the team still uses; paging volume fell by half in the quarter after it landed.

Backend Engineer, Cedarline Systems · June 2019 – February 2022

  • Designed the message bus behind a fleet-tracking product serving 18,000 vehicles, sustaining 90k events a minute on three nodes.
  • Moved the deploy pipeline from hand-run scripts to GitOps, taking a release from 40 minutes of supervision to four.
  • Found and fixed a connection-pool leak that had caused six months of Monday-morning outages.

Software Engineer, Aperture Retail · August 2017 – May 2019

  • Built the inventory sync between five warehouses and the storefront, cutting oversold orders by 71%.
  • Added the integration test suite the team had gone two years without; it caught 23 regressions in its first quarter.

Projects

  • Ledgerkit — An open-source double-entry ledger for Go, used by four payment startups.

Education

  • B.S. Computer Science · University of Colorado Boulder · August 2013 – May 2017

Skills

  • Languages: Go, Python, TypeScript, SQL, Rust
  • Systems: Kubernetes, gRPC, Kafka, PostgreSQL, Redis, Terraform
  • Practice: Event sourcing, Distributed tracing, Load testing, Incident review

Certifications

  • Certified Kubernetes Administrator — CNCF
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