Marcus Delgado
Software engineer
Austin, TXmarcus.delgado@example.com(555) 318-7702marcusdelgado.example.com
Summary
Software engineer with one year on a Node.js and PostgreSQL reporting service used by 1,200 people a day. Closed 27 production defects in the first six months, including one open for 14 months, cut the nightly aggregation job from 41 minutes to 9, and wrote the on-call runbook the team still uses. Bachelor of Science in Computer Science, 2025.
Experience
Software engineer
Jun 2025 – Present
Marrowfield Analytics · Austin, TX
- Built 6 REST API endpoints in Node.js and TypeScript for a customer reporting service used by 1,200 people a day, with 92% line coverage in Jest.
- Cut the nightly PostgreSQL aggregation job from 41 minutes to 9 by replacing 3 correlated subqueries with one windowed SQL query.
- Closed 27 production defects in six months, including the team's oldest open bug (14 months) with a 12-line fix and a regression test.
- Authored the on-call runbook for the reporting service and retuned 8 alert thresholds, cutting pages from 11 a week to 4.
Software engineering intern
May 2024 – May 2025
Larkspur Payments · Austin, TX
- Prototyped a webhook retry queue in Go and Redis that replayed all 3,400 failed sandbox events during a two-day outage drill.
- Increased payments API test coverage from 61% to 78% by writing 48 integration tests over one year of part-time work.
Projects
Shiftquilt
React, Node.js, PostgreSQL, Docker
shiftquilt.example.com
- Built an open-source shift scheduling app that handles 2,000 shifts a month for two nonprofits, with 340 stars and 11 outside contributors.
Latency probe
Go, Prometheus
latencyprobe.example.com
- Coded a command-line tool that samples p50, p95 and p99 latency for any HTTP endpoint and exports Prometheus metrics, with 1,100 downloads.
Education
Bachelor of Science in Computer Science
Aug 2021 – May 2025
Brazos Technical University · Waco, TX · GPA 3.7
Skills
- Languages
- TypeScript, Go, SQL
- Frameworks
- React, Node.js
- Infrastructure
- PostgreSQL, Redis, Docker, Prometheus
- Practices
- REST API, Jest





