Leo Selig
Freelance Software Engineer
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolLeo Selig is a Berlin-based freelance software engineer with 12 years of experience specializing in frontend engineering and full-stack JavaScript. He has led cross-functional teams and product architecture with a strong emphasis on security and cryptography, delivering user-focused single-page applications (React/Redux) and mobile apps. As a former lead at neXenio, he combined hands-on implementation with hiring, employee development, and scalable build pipelines using Docker. Leo prioritizes dead-simple usability through close collaboration with UX teams, and now brings that blend of design sensitivity and security-minded engineering to interesting projects locally or remote. An analytical thinker, he pairs academic training in IT-Systems Engineering with practical experience building fully encrypted cloud solutions.
12 years of coding experience
8 years of employment as a software developer
Allgemeine Hochschulreife, 1.3, Allgemeine Hochschulreife, 1.3 at Friedrich-Ludwig-Jahn-Gymnasium RathenowBachelor's Degree, IT-Systems Engineering, Bachelor's Degree, IT-Systems Engineering at Hasso-Platner-Institut Potsdam
English, German, French
Stackoverflow
1,071reputation
320kreached
10answers
24questions
Github Skills (200)
testing10
qunit10
bundler10
middleware10
json10
commonjs10
aes10
splitting10
nodejs10
utilities10
css10
user-interface10
lodash10
chai10
frontend10
Programming languages (7)
Github contributions (5)
neXenio/strangelog
Jun 2017 - Nov 2017
Contributions:84 commits, 22 PRs, 83 pushes in 4 months
golangchangelogfile-basedpainlesscli
leoselig/restify-resourcify
Dec 2015 - Apr 2016
Contributions:54 commits, 2 PRs, 25 pushes in 3 months
registrationdeclarativeendpointrestify
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