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Francisco R Espinosa

Full-Stack Engineer

// cuba, cu · UTC-5

I am a software developer, I am motivated by challenges and I love learning new things.

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profile sourced from GitHub

Scouting report

Cuban backend developer exploring Java/Spring REST APIs and messaging systems

assessed from open-source footprint

Mid
53signal

Backend-leaning developer (57%) working in Java, Python and Ruby, with original projects like a Spring REST 'Gateways Controller' and a Java messaging app. The portfolio is broad but shows signs of being a learning archive: a very high 0.96 abandoned ratio, 32% forks, and only single-digit stars. No authorship data is present. Honestly, this looks like an exploratory, largely inactive backend portfolio rather than maintained, production-grade work.

Authorship & open source

Solo authorwrote 100% of commits on market-api-Spring
0 merged PRs0 commits / yr

What they build

Backend57%
Mobile20%
Frontend18%

Industry experience

  • Social & Community
  • Education & EdTech
  • IoT & Hardware

Signal breakdown

Originality82
Impact34
Consistency62
Polish39
Stars

6

top repo 1

Original repos

23

32% forks

Followers

3

On GitHub

5.5 yr

Live demos

2

Activity

Active

96% stale

Strengths

  • Verified author — wrote 100% of commits on market-api-Spring
  • Original builder — 23 of their own repositories
  • Ships to production — 2 live demos
  • Backend focus with Mobile
  • Domain experience in Social & Community & Education & EdTech
  • Core stack: Java, HTML, Python, CSS