Sacha Santos

Toulouse, Occitania, France

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Summary

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Rockstar

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Top School

Sacha Santos is a pragmatic software engineer with 12 years of experience, blending mobile iOS expertise and open-source stewardship from Toulouse, France. He has contributed substantively to Swift libraries at freshOS—authoring core promise-handling logic, keyboard layout tooling, and concise AutoLayout utilities—demonstrating a strong grasp of asynchronous patterns and developer ergonomics. His background in rigorous engineering education (INSA Lyon and CPGE) and hands-on flight test internships at Airbus reflect a methodical, systems-oriented approach to problem solving. Comfortable across full-stack and mobile contexts, he favors clean, test-driven implementations and incremental refactors that improve long-term code quality. An OS maintainer with a builder’s mindset and a taste for practical developer tooling, he brings both craftsmanship and curiosity to teams shipping user-facing apps. Notably, his contributions include initial core implementations and unit tests in foundational repos, showing he’s as willing to create primitives as to polish interfaces.

12 years of coding experience

Maths physique sciences de l’ingénieur, Admissibilité en psi*, Maths physique sciences de l’ingénieur, Admissibilité en psi* at CPGE PCSI Déodat de Séverac Toulouse

Master degree, Mechanical ingeneering, Master degree, Mechanical ingeneering at INSA Lyon - Institut National des Sciences Appliquées de Lyon

Baccalauréat scientifique option internationale, Maths/physique/chimie, Mention très bien, Baccalauréat scientifique option internationale, Maths/physique/chimie, Mention très bien at Lycée Saint Exupery Blagnac

French, Spanish, English

Github Skills (14)

asynchronous10

unit-testing10

uid10

swift10

uikit10

ios10

front-end-development10

ui-design10

autolayout10

async10

es6-promise10

keyboard10

async-await9

xcode9

Programming languages (11)

TypeScriptJavaC++SCSSJavaScriptGoObjective-CSwift

Github contributions (5)

freshOS/Then

Feb 2016 - Jun 2022

:clapper: Tame async code with battle-tested promises

Role in this project:

Full-stack Developer

Contributions:32 releases, 251 commits, 42 PRs in 6 years 5 months

Contributions summary:Sacha primarily focused on implementing the core functionality of a promise library. They added the initial "then" code and unit tests, demonstrating proficiency in Swift and the implementation of asynchronous operations using promises. The user also added an example project, and performed various code cleanups and refactoring, improving the code quality. These commits highlight a strong understanding of asynchronous programming patterns within the context of a Swift-based library.

micro-frameworkfreshosasynchronousasync-awaitbattle-tested

freshOS/Stevia

Jun 2015 - May 2022

:leaves: Concise Autolayout code

Role in this project:

Mobile Developer (iOS)

Contributions:34 releases, 367 commits, 56 PRs in 7 years

Contributions summary:Sacha primarily contributed to the iOS framework "Stevia", a concise Autolayout code library. The user added various features, including a category for UIView for concise autolayout and styling shortcuts. They introduced content shortcuts such as text and image, and equation-based constraints for flexible margins. The user also added RTL support and improved the live reload capability for developers.

xibnslayoutconstraintsvisual-format-languageinterfaceios

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