Juha Petäjäjärvi
Rovaniemi, Lapland, Finland
Summary
👤
Senior🎓
Top SchoolJuha Petäjäjärvi is a versatile software specialist with 10 years of experience delivering full-stack web and desktop applications, as well as Linux-based service infrastructure. He is currently a Specialist at Lapin ammattikorkeakoulu in Rovaniemi, Finland, where he blends hands-on engineering with technology leadership and student mentorship. Since 2009 he has run JP Online, demonstrating entrepreneurial initiative alongside ongoing development across PHP, Python/Django, and C#. His background spans front-end markup (XHTML/CSS) to back-end databases (MySQL, PostgreSQL) and robust Linux/Debian server administration, including maintaining multiple web servers and personal services. He holds a Master of Engineering in Management of Technological Competence and Professional Teacher Education, enabling him to translate complex requirements into reliable, scalable solutions while guiding teams and learners.
11 years of coding experience
Master of Engineering (MEng), Management of Technological Competence, Master of Engineering (MEng), Management of Technological Competence at Lapland University of Applied SciencesBachelor of Engineering (BEng), Software Engineering, Bachelor of Engineering (BEng), Software Engineering at Rovaniemi University of Applied SciencesProfessional Teacher Education, EDUCATION, Professional Teacher Education, EDUCATION at Oulu University of Applied SciencesMatriculation Examination, Matriculation Examination at Ranuan lukio
Finnish, English, Swedish
Github Skills (10)
language-packs10
phpbb310
localization10
translation10
phpbb10
finnish10
python9
php9
discounts6
forum5
Programming languages (2)
Github contributions (5)
pettis/irssi-urly
Apr 2017 - Aug 2022
Contributions:2 pushes in 5 years 5 months
shortenurlslongurl-shortener
pettis/phpbb3-finnish
Feb 2015 - Nov 2021
Finnish Translation for phpBB3
Contributions:15 releases, 61 commits, 10 PRs in 6 years 10 months
phpbb3finnishfinnish-translationtranslationphp
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