David Da Silva Contín
Senior Product Designer Design Engineer at Green Project Technologies
London, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolDavid Da Silva Contín is a Senior Product Designer and Design Engineer with 13 years of experience building user-centred products that bridge design, front-end engineering, and AI. Based in London, he leads product design at Green Project Technologies (formerly Emitwise), driving cohesive experiences for carbon accounting tools and championing LLM-driven feature innovation. He pairs a computer science background and hands-on engineering chops—contributing to well-known open-source projects like Mocha and Mustache.js—with practical product wins such as dramatic efficiency improvements in internal tools and measurable growth optimizations. A former founder and educator, he also builds multiplayer networking courses and mentors designers, and outside work he longboards and plays chess, reflecting a pragmatic, playful approach to problem solving.
12 years of coding experience
11 years of employment as a software developer
High School Technology branch, High School Technology branch at Institut ItacaComputer Software Engineering, Computer Software Engineering at 42 ParisUPC Universitat Politècnica de CatalunyaUOC (Universitat Oberta de Catalunya)
English, French, Spanish, Catalan, Portuguese, Chinese
Stackoverflow
1,051reputation
58kreached
9answers
18questions
webserver
top-5%
Github Skills (26)
javascript10
testing10
test-framework10
firefox-addon10
ui-design10
chrome-extension10
mochajs10
google-chrome-extension10
version-control10
nodejs10
automation9
test-automation9
automations9
html9
webserver9
Programming languages (20)
Github contributions (5)
janl/mustache.js
Dec 2014 - Aug 2017
Minimal templating with {{mustaches}} in JavaScript
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:9 releases, 86 commits, 73 PRs in 2 years 8 months
Contributions summary:David primarily contributed to the mustache.js repository by fixing merge conflicts and updating the version number. They bumped the version to 1.0.0, 1.1.0, 1.2.0, 2.0.0, 2.1.0, 2.1.1, 2.1.2, 2.1.3, and 2.2.0, and 2.2.1 and subsequently to 2.3.0. This indicates a role in maintaining the project and ensuring the code is up-to-date. Additionally, they added a pre-commit hook and hook installer, and integrated use of chai for improved string diffing in tests.
template-enginetemplatemustachestemplatingjavascript
mochajs/mocha
Oct 2014 - Aug 2017
☕️ simple, flexible, fun javascript test framework for node.js & the browser
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:2 releases, 68 commits, 55 PRs in 2 years 11 months
Contributions summary:David primarily contributed to bug fixes and enhancements within the Mocha testing framework. Their work included addressing issues in the reporters (landing, markdown, and nyan), improving test stability by modifying the `runnable` and `runner` files, and adding new features, such as the gitter badge. The contributions spanned both front-end and back-end aspects, as fixes applied to the core framework.
test-automationbrowsernode-jstestingjavascript
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