John Adeniran
Lagos State, Nigeria
Summary
👤
Senior🎓
Top SchoolJohn Adeniran is a versatile principal operations officer and software developer with 9 years of experience building and operating client-server systems, cloud-native backends, and user-focused frontends across Azure and AWS. He combines deep operational expertise on IBM i-series servers and large-scale exam processing systems with modern full‑stack skills in C#, TypeScript, Node.js, NestJS, React/Angular and .NET Core. At WAEC he’s led critical workstation and backup/recovery operations while mentoring teams to improve ICT project quality and data accuracy across nationwide exam workflows. As a hands-on engineer he has delivered performance and security improvements in startups and freelance projects—reducing API response times and implementing JWT/OAuth protections—while designing NoSQL schemas and scalable cloud storage integrations. Based in Lagos, he’s equally comfortable in systems operations and software delivery, bringing a practical eye for process improvement that minimizes errors in high-stakes data environments.
10 years of coding experience
9 years of employment as a software developer
Higher National Diploma, Higher National Diploma at Federal Polytechnic, Offa, Kwara stateWASSCE, WASSCE at Birch Freeman High School
Stackoverflow
105reputation
13kreached
16answers
1question
Github Skills (22)
react8
toastr8
developer-tools7
angular-toastr6
audit6
python6
redux6
authentication6
quotation-marks6
performance-analysis5
zero-configuration5
monitoring5
lighthouse4
typescript4
angular4
Programming languages (7)
Github contributions (5)
adeniranjohn/adeniranjohn.github.io
May 2019 - Jan 2023
Contributions:42 pushes, 1 branch, 4 issues in 3 years 8 months
ALCOpenSource/Mentor-Management-System-Team-3
Apr 2023 - Jun 2023
Contributions:6 reviews, 51 PRs, 37 pushes in 2 months
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