About / profile

Software Engineer & Technical Writer.

I combine software engineering and technical writing to create documentation developers can actually use. I build and test examples rather than writing from theory alone.

Casmir Onyekani, Software Engineer and Technical Writer

The through-line

I don’t just explain software. I understand what it takes to make the software work.

My work sits between engineering systems and the people learning to use them: API references, SDK guides, quantum-computing tutorials, cloud and DevOps documentation, and code-heavy technical education.

That means tracing the real path through a system, checking the assumptions in an example, and reducing the number of follow-up questions a developer has to ask before they can move.

My technical writing has been published on freeCodeCamp, with work covering software development, Automation, DevOps Engineering, and quantum computing.

Technical skills

A working range across code and communication.

Languages

  • Python
  • JavaScript
  • TypeScript
  • SQL / MySQL

Web & services

  • React
  • Node.js
  • Django
  • Tailwind CSS

Quantum

  • Qiskit
  • IBM Quantum
  • Simulators
  • Hardware connectivity

Cloud & infrastructure

  • Azure
  • CI/CD
  • Developer workflows

Documentation

  • Markdown
  • Git
  • Static site generators
  • Docs-as-Code

Engineering context

React, Node.js, Django, Python, TypeScript, SQL/MySQL, and the practical details behind a working implementation.

Writing discipline

Structure around developer questions, show the example early, and remove filler that does not help a reader ship.

Verification habit

Spin up local environments, test endpoints, and verify the code examples before they become someone else’s debugging session.

Education & credentials

Educationist with an academic foundation in Computer Science and Education, strengthened by multiple professional certifications and ongoing development in modern software engineering, web development, and developer technologies.