Marc Sastre
Full Stack Engineer at UNION AVATARS
Barcelona, Catalonia, Spain
Summary
🤩
Rockstar🎓
Top SchoolMarc Sastre is a Full Stack Engineer based in Barcelona with 11 years of experience building web and backend systems across PHP, Python, Go, C# and JavaScript. He has progressed from front-end and ActionScript work to senior full‑stack and Go roles at companies like NoviCap, Auvik and Unimedia, and currently contributes to product engineering at UNION AVATARS. Comfortable across LAMP-style stacks, shell scripting and modern backend tooling, he also has hands-on experience improving developer tooling—contributing backend fixes, tab-completion and test-suite enhancements to the well-known PHP REPL psysh. Pragmatic and versatile, Marc blends maintenance-driven improvements with feature development, often focusing on developer experience and reliability. Based in Barcelona, he pairs deep practical knowledge with a history of evolving technical responsibilities across startups and scaleups.
11 years of coding experience
14 years of employment as a software developer
FP I, Electricity, FP I, Electricity at ies guindavolssant jaume
Stackoverflow
9,203reputation
1.2mreached
151answers
15questions
vim
top-5%
json
top-1%
audio
top-5%
dictionary
top-5%
python
top-5%
javascript
top-5%
Github Skills (21)
json10
php10
repr10
replit10
putty10
tab-completion10
cli10
testing9
javascript9
python9
dictionary9
vim9
audio9
html9
integer6
Programming languages (10)
Github contributions (5)
bobthecow/psysh
Oct 2014 - Mar 2015
A REPL for PHP
Role in this project:
Back-end Developer
Back-end DeveloperContributions:18 commits, 13 PRs, 138 comments in 4 months
Contributions summary:Marc primarily contributed to the PHP REPL project, focusing on improving the code cleaner and tab completion features. Their work included resolving closure-related issues, adding support for tab completion, and implementing matchers for auto-completion commands. Additionally, the user made test suite enhancements with the addition of new test cases and fixes. These changes aimed to enhance the REPL's functionality and user experience.
phppsyshreplshellcli
Markcial/cprintf
May 2016 - Oct 2018
Printf with colors
Contributions:3 commits, 2 PRs, 3 pushes in 2 years 5 months
printf
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