John Katieno
Freelance Software Engineer at Self-employed
Nairobi, Nairobi County, Kenya
Summary
👤
Senior🎓
Top SchoolJohn Katieno is a freelance software engineer and co-founder with 12 years of experience building and operating web and enterprise systems across PHP, Java, and JavaScript stacks. He led development of AfriCareERP—streamlining deployments on GCP, optimizing server and DB performance, and implementing analytics and payment integrations that drove adoption across hospitals. His background spans fintech and government projects, from contact-center and IVR integrations to biometrics and GIS-enabled public-sector platforms, reflecting strong systems integration and SRE sensibilities. Hands-on across the full SDLC, he blends DevOps automation with security best practices and a track record of measurable performance and deployment improvements. Based in Nairobi, he pairs entrepreneurial product instincts with deep practical experience in cloud architecture, Linux ops, and real-time monitoring.
12 years of coding experience
1 year of employment as a software developer
High School Diploma, High School/Secondary Diploma Programs, High School Diploma, High School/Secondary Diploma Programs at Mbita High SchoolBachelor of Science - BS, Computer Science - Software Engineering, Bachelor of Science - BS, Computer Science - Software Engineering at Masinde Muliro University of Science and Technology (MMUST)
Stackoverflow
59reputation
22kreached
5answers
1question
Github Skills (37)
mongoose10
jwt-authentication9
nodemailer9
backend9
mean-stack9
graph8
javascript8
ui-components7
canvas7
angular7
html6
adb6
mean6
android-studio6
gemfire6
Programming languages (4)
Github contributions (5)
katienoj/Census-System
May 2014 - Apr 2018
Contributions:3 commits, 2 pushes in 4 years
katienoj/examplesJS
Feb 2021 - Mar 2021
Contributions:94 commits in 1 month
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