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Ernesto Rodriguez Castillo

Full-Stack Engineer

// cuba, cu · UTC-5

Building in the open from Cuba. Full-Stack Engineer.

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profile sourced from GitHub

Scouting report

High-volume backend generalist across TS, Python, C#

assessed from open-source footprint

Staff
89signal

Ernesto is a consistent, original backend-leaning dev (560 commits last year, consistency and originality both near 100) spanning TypeScript, Python and C#, including an anti-cheat project for BF3. The honest read is that his footprint is still small — repos max out at 4★, polish scores low (41), and his external contributions are token one-commit drops (e.g. first-contributions). A solid, hard-working generalist who needs a flagship project to point to.

Authorship & open source

Solo authorwrote 100% of commits on DataMeter
8 merged PRs560 commits / yr2 external projects930 private contributions / yr

Contributes to

  • firstcontributions/first-contributions54,251
  • BlitzKriegCod/MarketUci4

What they build

Backend42%
Frontend36%
Data / ML13%
Game Dev5%

Industry experience

  • E-commerce & Retail
  • Developer Tools
  • Web & CMS

Signal breakdown

Originality99
Impact100
Consistency100
Polish41
Stars

39

top repo 4

Original repos

57

11% forks

Followers

31

On GitHub

4.9 yr

Live demos

7

Activity

Active

19% stale

Strengths

  • Verified author — wrote 100% of commits on DataMeter
  • Open-source contributor — 2 external projects incl. firstcontributions/first-contributions (54,251★)
  • 560 commits in the past year
  • Original builder — 57 of their own repositories
  • Ships to production — 7 live demos
  • Consistently active, low abandonment
  • Backend focus with Frontend