Juha Petäjäjärvi is a seasoned full-stack developer and senior specialist with over a decade of experience building web and desktop applications, from XHTML/CSS front-ends to Python/Django and C# back-ends. Based in Rovaniemi, Finland, he combines hands-on development with Linux server administration and database design (MySQL, PostgreSQL), and has run personal web services alongside professional projects. At Lapland University of Applied Sciences he progressed from project roles to senior specialist work, mentoring trainees and leading software planning efforts. He also operates JP Online as a sole proprietor, reflecting an entrepreneurial streak and a habit of shipping and maintaining production services end-to-end. Unusually for a regionally based engineer, he pairs practical system administration experience with formal studies in engineering management and teacher education, enabling both technical leadership and instructional roles.
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 Sciences
Bachelor of Engineering (BEng) Software Engineering, Bachelor of Engineering (BEng) Software Engineering at Rovaniemi University of Applied Sciences
Professional Teacher Education Education, Professional Teacher Education Education at Oulu University of Applied Sciences
Matriculation Examination, Matriculation Examination at Ranuan lukio
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.