Marek Cifra
Senior RoR Vue Developer at JARABOT.com
Slovakia
Summary
👤
Senior🎓
Top SchoolMarek Cifra is a Senior RoR and Vue developer with nine years of experience building and optimizing web applications across startups and marketplaces. He excels at pragmatic engineering where performance matters—refactoring legacy systems, reducing AWS costs by 30%, and improving service response times at Staffino. Comfortable across the stack, Marek has led development of analytics products, integrated payment systems (Braintree/PayPal) at Bonanza, and migrated Ruby apps through major upgrades while introducing frontend improvements in React and TypeScript. A former CTO who scaled an outsourcing team, he pairs client-facing communication skills with hands-on coding and a habit of picking up new tools fast. Based in Slovakia, he’s open to side gigs and prefers projects where measurable speed and reliability gains matter.
9 years of coding experience
10 years of employment as a software developer
Master of Cognitive Science Artificial Intelligence, Master of Cognitive Science Artificial Intelligence at Univerzita Komenského v Bratislave
English, German
Stackoverflow
1reputation
0reached
1answer
0questions
Github Skills (12)
linked-data7
sparql6
ruby-on-rails6
rdf5
json-ld5
transformer4
python3
crossword3
logic2
data-structures2
consistency2
first-order-logic2
Programming languages (1)
Github contributions (5)
mcifra/prieskumnik-struktur
Jan 2018 - May 2018
Contributions:116 commits, 85 pushes, 1 branch in 4 months
python
mcifra/animacia
Sep 2018 - May 2019
Contributions:42 pushes, 1 branch in 7 months
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