Jan Kouřil
Building secure and scalable web applications to protect millions of users online.
Personal Profile
Backend PHP developer with 5+ years of hands-on experience in web development and system administration. Passionate about cybersecurity, scalable applications, and modern technologies. Strong background in PHP, SQL, REST APIs, Git workflows, and MVC. Eager to contribute to Whalebone’s mission of protecting everyday users against digital threats, and to learn Go in a cloud-native environment.
Professional Experience
Backend PHP Developer2023 – 2025
PragoData Consulting s.r.o., Brno
- Developed and maintained Moodle-based systems and plugins (PHP, SQL, MVC).
- Designed and optimized SQL queries for large datasets; implemented REST integrations.
- Collaborated in a distributed team with Git workflows and code reviews.
Programmer & Web Administrator2022 – 2023
Omega Design s.r.o., Brno
- Administered and developed company websites using PHP; managed hosting and databases.
- Improved security and performance of web applications; basic containerization exposure.
Web Developer (PHP/Nette, WordPress)2020 – 2022
Intuityweb, Brno
- Upgraded CMS components and migrated sites from WordPress/Kirby to custom PHP/Nette CMS.
- Implemented responsive design and branding; configured hosting environments.
- Worked independently and in a small team with Git.
Administrator (Data Processing)2020 – 2022
Jaro Sea & Air Services s.r.o., Brno
- Automated data collection and processing (Python).
- Optimized workflows using MS Excel and MS Access.
Manual Tester2017 – 2019
Figo GmbH, Remote (Brno)
- Manual testing of banking applications in an international team (Slack, remote collaboration).
Tailored for the Whalebone Software PHP Developer position (Brno). Last updated: Sep 24, 2025.