DevMio23.
SYSTEM_READY // AVAILABLE FOR WORK

OKONKWO MICHAEL I.

Backend & AI Engineer | Security Analyst

bash - init.sh

~$ echo $MISSION
Building secure, scalable systems with AI integration and DevSecOps principles.

01. About Me

Okonkwo Michael
Verified Profile

System Architecture & Security Focus

Backend & AI Engineer specializing in scalable Python-based backend systems, artificial intelligence (AI) integration, machine learning, large language models (LLM) and security-centric application development.

Combines strong software engineering expertise with cybersecurity proficiency, applying DevSecOps practices and secure system design.

Experienced in building scalable end-to-end systems with a focus on performance, reliability, and real-world impact.

3+
Years Exp.
9+
Projects
99.9%
Secure Deploy
24/7
System Uptime

02. Featured Projects

Architecture, implementation, and security analysis of deployed systems.

Production

Secure AI Pharmaceutical Store

Full-stack platform with AI recommendations, secure APIs, and role-based access control (RBAC). Implemented zero-trust architecture.

huggingface - Transformers FastAPI PostgreSQL OAuth2
Sec Audited
Enterprise

Streaming Data Pipeline

Engineered with batching and backpressure mechanisms, reducing memory usage by >90% and improving overall execution throughput.

Python Redis Docker AWS
90% Mem Reduction

Project Categories

Web Dev
5+ Projects
API Dev
6 Projects
Mobile Apps
1 Projects
Desktop
1 Projects
Security
3 Projects
IoT & Others
1 Projects

03. Experience

Backend & AI Engineer

ZEMPAA
09/2024 - 11/2025 | Contract
  • Led the development of an AI-powered shopping assistant that converts user conversations into product recommendations and automated cart actions.
  • Led backend development using Python, collaborated on system architecture, recommendation workflows, debugging, testing, optimizing database performance, and structuring secure backend systems.

Cybersecurity Intern → Technical Instructor

NEO Cloud Technology
04/2024 — 02/2025
  • Performed vulnerability assessments and penetration testing on web systems.
  • Promoted to Technical Instructor; delivered cybersecurity training to corporate clients.
  • Produced technical reports detailing vulnerabilities and mitigation strategies.
  • Engineered a streaming data pipeline reducing memory usage by >90% and improving execution performance.

Full-Stack Engineer & Security Analyst

Freelance
09/2023 — Present | Remote
  • Designed and deployed secure, production-ready RESTful APIs and full-stack web applications, managing projects from requirements to deployment, improving performance and reducing response times by up to 30%.
  • Embedded security best practices across the development lifecycle, applying DevSecOps principles and OWASP Top 10 standards.
  • Contributed to open-source projects focusing on scalable, secure system design and performance optimization.

04. Technical Arsenal

Backend Architecture

Python (FastAPI) Django RESTful APIs PostgreSQL Redis OAuth / API Security CI/CD

Frontend Development

HTML CSS React Next.js Tailwind CSS React Native Laravel

Languages

Python JavaScript SQL TypeScript Bash PHP Lua Rust

Tools & AI

LLMs RAG AI Agents RAG Prompt Engineering Docker Git AWS Linux DevSecOps Practices

05. Engineering Logs

"In my pursuit to understand systems, I learned that true mastery lies in both creation and destruction."
Architecture SYS_LOG_042

Streaming Architectures & System Trade-offs

A technical exploration of streaming pipelines, client vs server-side processing decisions, and balancing security, performance, and delivery efficiency. Analyzing the memory footprint reduction techniques that led to >90% optimization in production environments.

8 min read Read Full Log

06. Initialize Connection

Let's build secure, scalable systems.

Currently open for new opportunities. Whether you have a question or just want to say hi, I'll try my best to get back to you!