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Freddy Rosa

Data / ML Engineer

// puerto rico, pr · UTC-4

Building in the open from Puerto Rico. Data / ML Engineer.

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Puerto Rican dev pairing Python data work with native Swift app building

assessed from open-source footprint

Mid
54signal

Freddy splits his work between Python (data/backend) and Swift (mobile), with seven original repositories and no forks or abandoned projects. His standout is DoneLoop, a Swift habit-and-task manager with contribution grids and an Eisenhower matrix, which shows real product thinking even without stars yet. A focused, tidy early-to-mid portfolio with a genuine original app rather than tutorial leftovers.

Authorship & open source

Solo authorwrote 100% of commits on task_tracker_cli
6 merged PRs182 commits / yr1 external project

Contributes to

  • bootdotdev/megacorp31

What they build

Backend40%
Data / ML40%
Mobile20%

Industry experience

  • Productivity & SaaS
  • Developer Tools

Signal breakdown

Originality81
Impact28
Consistency100
Polish12
Stars

0

Original repos

7

0% forks

Followers

7

On GitHub

2.7 yr

Live demos

1

Activity

Active

0% stale

Strengths

  • Verified author — wrote 100% of commits on task_tracker_cli
  • Original builder — 7 of their own repositories
  • Consistently active, low abandonment
  • Backend focus with Data / ML
  • Domain experience in Productivity & SaaS & Developer Tools
  • Core stack: Python, Swift

About

Data / ML Engineer from Puerto Rico, active on GitHub with 7 public repositories and 7 followers. Explore the work and reach out on GitHub.

Skills

  • Python
  • Swift

Featured work