IT infrastructure and security specialist with 15 years in network administration and security engineering. These days I also design, build and run production web applications end to end: I write them, deploy them, and keep them working for real users.

I build under Simpliflex Systems Ltd, where the projects below live.

Cybersecurity Mastery — a free, fully offline cybersecurity learning platform. 15 tracks, 118 modules and 4,140 graded questions aligned to Security+, CySA+ and CISSP domains, with a practical SOC and blue-team focus. Vanilla JavaScript, no runtime dependencies, no tracking, works from file://. Source is public.

Simpliflex Learn — a UK National Curriculum learning platform, Key Stage 1 through GCSE. 65 subject bundles, 515 topics and over 32,000 practice and quiz questions, with per-child accounts, key-stage-aware content, a parent dashboard, printable worksheets and offline read-aloud. Running live with pilot families.

Simpliflex Learn NG — the Nigerian curriculum edition: 30 subjects, 367 topics and 9,800+ questions, with a JAMB CBT exam simulator and Paystack payments.

Career learning paths — 18 hands-on tracks across Cloud, Cybersecurity, Software Engineering, DevOps, Data and AI, each taking a beginner from foundations through to project work, with automatic grading.

Curious Kids Encyclopedia — an illustrated encyclopedia for ages 9 to 12, around 350 articles, built to run completely offline with no internet connection.

• I test what the user actually touches, not just the data behind it. A content check that proves a question has a valid answer key still tells you nothing about whether the screen can draw it — I learned that the hard way and now gate the render path too.
• Every new check gets proved. I revert the fix and confirm the test fails before I trust it. A gate that cannot fail is not a gate.
• Automated checks before every ship. Simpliflex Learn runs 26 of them: content validation, navigation, authentication, marking, accessibility and read-aloud coverage.
• Real users set the priorities. The last release came straight from a learner's message about her quiz skipping questions.

Currently deepening: Kubernetes, Terraform and Infrastructure as Code, AWS architecture, and applied cybersecurity through a self-directed home lab.

Fifteen years in network administration and security engineering: designing, securing and supporting the infrastructure organisations depend on. That grounding is why I care more about systems that stay up, fail safely and can be verified than about whatever is fashionable this year.

• 📫 kanmyng@yahoo.com · LinkedIn
• 💬 Happy to talk network and security engineering, building education software, or shipping small products solo.
• 😄 Pronouns: He/Him