Justin Silvestre
Independent Software Developer at Freelance
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolJustin Silvestre is an Independent Software Developer based in Berlin with 11 years of experience crafting expressive, well-engineered front-end and full-stack applications using React, TypeScript, Elm and related technologies. He has led teams and tooling efforts at game and logistics companies—shaping front-end best practices, automated testing, and live-ops tooling for products with millions of users. A lifelong maker who started by building websites to showcase his art, Justin blends a background in languages and literature with pragmatic engineering to prioritize clarity, usability and aesthetic code. He maintains open-source projects and a portfolio of work that demonstrates both product-facing UI polish and robust engineering for production systems.
11 years of coding experience
5 years of employment as a software developer
Bachelor of Arts (B.A.), French Language and Literature, Spanish Language and Literature, Bachelor of Arts (B.A.), French Language and Literature, Spanish Language and Literature at St. John's UniversityFrench Language and Literature, French Language and Literature at Université Paris Dauphine
French, Spanish, German, Japanese, English
Stackoverflow
435reputation
7kreached
1answer
0questions
babeljs
top-5%
Github Skills (67)
srs10
transcript10
journal10
transcription10
audio10
google-keep10
electron10
anki10
command-line-utility10
subtitle10
audio-files10
markdown9
knowledge-management9
phonetics9
babeljs9
Programming languages (8)
Github contributions (5)
justinsilvestre/lipu-pi-toki-pona
Dec 2016 - Nov 2023
A React app for translating the constructed language Toki Pona. Word lookup is kept performant via WebSockets, using Elixir and the Phoenix framework's Channels API.
Contributions:5 PRs, 68 pushes, 16 branches in 6 years 11 months
apireactphoenix-frameworkwebsocketstoki-pona
justinsilvestre/portfolio
Jul 2015 - Mar 2025
My portfolio website made in Next.js.
Contributions:32 PRs, 85 pushes, 17 branches in 9 years 9 months
expressjsnode-jsjavascriptexpressnodejs
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