Badges
Certifications
johnwanjohi has not earned any certificates yet.
Work Experience
Full-stack Developer
Kenya Medical Supplies Authority (KEMSA)•  September 2011 - Present•  Nairobi, Kenya
Led development, upgrades, and maintenance of in-house systems, enhancing HR, Finance, and Procurement workflows to improve reporting accuracy and reduce costs by 20%.
Full-stack Developer
Upwork•  January 2010 - Present•  Remote
Delivered custom solutions for eCommerce, healthcare, and education clients, completing over 10 projects with a 4.8/5 client satisfaction rating.
Systems Developer
Dillieduck Technologies•  May 2023 - December 2023•  Nairobi, Kenya
Collaborated on front-end and back-end development to enhance in-house system functionality, improving processing efficiency by 15%.
Systems Administrator
Unighir LTD•  August 2010 - September 2011•  Nairobi, Kenya
Improved UI, website traffic, and advertising revenue through strategic brand development and statistical insights.
Full-stack Developer
Owentech Kenya•  August 2006 - October 2009•  Nairobi, Kenya
Developed a web application for procurement of HPTs and client management, improving procurement process and customer relations by 25%.
Education
Technical University of Kenya
Computer Science, Diploma in Computer Science•  January 2004 - January 2006