André Medeiros
Senior Software Engineer at Socket
Helsinki, Finland
Summary
🤩
Rockstar🎓
Top SchoolAndré Medeiros is a Senior Software Engineer and open source maintainer with 13 years of professional experience and a lifetime of coding since 2003, currently focused on JavaScript, reactive programming and polished web/mobile UIs. He has founded a startup and led the Manyverse open source social app, blending hands-on product design with engineering, team leadership and marketing instincts. A seasoned speaker and instructor (over 20 conferences including TEDx Geneva and multiple RxJS workshops), he excels at teaching reactive patterns and simplifying complex systems. His contributions span well-known projects like snabbdom and Cycle.js to peer-to-peer platforms (Secure Scuttlebutt), demonstrating depth across frontend, backend and database internals. Based in Helsinki, he prefers small teams where he can couple UI detail-sensitivity with pragmatic prioritization to ship delightful products.
14 years of coding experience
6 years of employment as a software developer
Master's, Foundations of Advanced Computing, 4.60 / 5.00, Master's, Foundations of Advanced Computing, 4.60 / 5.00 at Aalto UniversityComputational Mathematics, 4.55 / 5.00, Computational Mathematics, 4.55 / 5.00 at Universidade Federal de Minas Gerais
English, Portuguese, Finnish
Stackoverflow
13,674reputation
825kreached
93answers
23questions
redux
top-1%
asynchronous
top-5%
reactive-programming
top-1%
javascript
top-1%
rxjs
top-1%
Github Skills (52)
unit-testing10
javascript10
virtual-dom10
react-native10
testing10
typescript10
cyclejs10
rxjs10
redux10
stream10
front-end-development10
dom10
optmization10
optimisation10
database-design10
Programming languages (22)
Github contributions (5)
staltz/xstream
Feb 2016 - Jan 2022
An extremely intuitive, small, and fast functional reactive stream library for JavaScript
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:2 reviews, 384 commits, 114 PRs in 6 years
Contributions summary:André primarily contributed to the documentation, specifically the JSDoc comments, of the xstream library. Their commits focused on documenting the usage and behavior of several operators such as filter, take, drop, last, startWith, endWhen, fold, replaceError, flatten, flattenConcurrently, merge, combine, and compose. This suggests a focus on improving the user experience through clear and comprehensive documentation of the library's API.
javascriptreactive-programmingstreamtypescriptcyclejs
staltz/manyverse
Jul 2017 - Jan 2023
A social network off the grid (real repo at https://gitlab.com/staltz/manyverse)
Role in this project:Front-end Developer
Front-end DeveloperContributions:48 releases, 1 review, 2423 commits in 5 years 7 months
Contributions summary:André's contributions centered on enhancing the user interface and overall user experience of the Manyverse application. Specifically, they fixed a splash screen issue, optimized UI performance by incorporating the `dropRepeatsByKey` function, and implemented emoji reactions in place of likes. Additionally, the user worked on improving the layout and style of the thread screen's reply box and the profile screen's header, alongside refactoring some components.
ssbcsocial-networkreactmanyversescuttlebutt
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.