Jan Langer
Lead Developer at Slevomat
Prague, Prague, Czechia
Summary
👤
Senior🎓
Top SchoolJan Langer is a Lead Developer based in Prague with 15 years of hands-on experience building PHP-driven web applications and backend systems, specializing in the Nette Framework and Doctrine ORM. At Slevomat he leads design and implementation of product innovations and owns the online booking system for partners, combining feature delivery with operational responsibility. He pairs front-end skills (HTML/CSS/JS/TypeScript) with server-side expertise, Docker-based devops and database design, and has practical experience in Java SE and Android. A pragmatic engineer and mentor, he contributes to open-source on GitHub and keeps his code visible for review, reflecting a preference for collaborative, maintainable solutions.
15 years of coding experience
10 years of employment as a software developer
Bachelor's degree, Computer Software Engineering, Managment, Bachelor's degree, Computer Software Engineering, Managment at Czech Technical University in Prague Faculty of Electrical EngineeringIng. (MSc. equivalent), Informatics, Computer Software engineering, focused on information systems and management, Ing. (MSc. equivalent), Informatics, Computer Software engineering, focused on information systems and management at Czech Technical University in Prague Faculty of Information Technology
Czech, English
Stackoverflow
687reputation
29kreached
3answers
7questions
Github Skills (150)
visa10
amqp-client10
payment-gateway10
uuid10
php-library10
client-library10
thin10
nette10
rabbitmq10
uid10
rrule10
payment10
recurring-events10
ajax10
mastercard10
Programming languages (7)
Github contributions (5)
slevomat/csob-gateway
Dec 2015 - Nov 2022
Client library for CSOB card payment gateway
Contributions:22 releases, 14 reviews, 113 commits in 7 years
payment-gatewaycsob-gatewaypayment
slevomat/camt
Jan 2016 - May 2019
PHP Parser for CAMT messages
Contributions:4 PRs, 9 pushes, 6 branches in 3 years 4 months
camtphpphp-parserparser
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.