Welcome to my universe

Hi, I'm Abdulhazeem

Crafting digital experiences, engineering intelligent AI, and fortifying security architectures.

About Me

Hello! I'm Abdulhazeem ๐Ÿค“, a multifaceted technology professional based in Nigeria ๐Ÿ‡ณ๐Ÿ‡ฌ. With over 3+ years of experience, I am deeply passionate about building seamless digital experiences. I am always yearning to make an impact with every line of code, every AI model, and every security measure I implement.

Software Dev

I thrive on solving complex problems. Skilled in both front-end and back-end tech, I enjoy bringing concepts to life smoothly.

AI Engineering

Specialized in developing ML models, NLP solutions, and integrating LLMs to automate intelligent decision-making processes.

AppSec Engineer

Identifying and mitigating security vulnerabilities, conducting penetration testing, and ensuring high cyber-resilience.

Tech Stack

My Core
Technologies

Frontend & Languages

JavaScript (ES6+)JavaScript (ES6+)
TypeScriptTypeScript
ReactReact
Next.jsNext.js
TanStack Start
Tailwind CSSTailwind CSS
Shadcn UI

Backend & Architecture

Node.jsNode.js
NestJSNestJS
Express.jsExpress.js
DjangoDjango
PythonPython
REST API Design
Auth (JWT/OAuth)

AI & Machine Learning

PyTorchPyTorch
TensorFlowTensorFlow
Hugging FaceHugging Face
AI Feature Integration
Data Processing

Application Security

OWASP Principles
API Security
Secure Coding
Input Validation

Databases & Caching

PostgreSQL (Supabase)PostgreSQL (Supabase)
MongoDBMongoDB
SQLiteSQLite
RedisRedis

Cloud & DevOps

GitGit
GitHubGitHub
CI/CD
Vercel
FirebaseFirebase
DigitalOceanDigitalOcean
AWSAWS
AzureAzure

Career History

My Professional
Journey

May 2026 - Present
Demz Analytics - DA Inc.

Senior Frontend Developer

  • Leading the frontend architecture and building scalable, high-performance web applications using modern JavaScript frameworks.
  • Implementing responsive, pixel-perfect UI components and ensuring cross-browser compatibility across all devices.
  • Optimizing application performance through code splitting, lazy loading, and efficient state management strategies.
  • Collaborating closely with designers and backend engineers to deliver seamless user experiences and robust API integrations.
  • Mentoring junior developers, conducting code reviews, and driving adoption of frontend best practices across the team.
Aug 2025 - Apr 2026
Utom AI ยท Contract ยท Remote

Fullstack AI Software Developer

  • Led the full technical architecture of the platform using Next.js 15, ensuring high performance, accessibility, and long-term scalability.
  • Implemented a robust onboarding workflow for startups and volunteers, integrating secure form handling and automated email processing.
  • Built a high-credibility landing experience emphasizing clarity, authority, and strong brand positioning.
  • Optimized SEO, OpenGraph, and technical metadata, resulting in improved search discoverability.
  • Improved security posture by following best practices such as environment-based config isolation.
2025
Mumtaaz Islamic School, Kwara State, Nigeria

Web Developer

  • Developed high-performance web applications, enhancing user experience and customer satisfaction.
  • Collaborated with a cross-functional team of designers and engineers to ensure smooth project delivery.
  • Optimized website performance, reducing load times by 30%, leading to improved SEO rankings.
2024
Walkmetru.io, UK, LONDON

Full-Stack Developer

  • Integrated Azure Email Services to automate and optimize transactional email delivery.
  • Developed robust APIs and backend architecture, reducing response times by 40%.
  • Led the development of user-friendly and responsive interfaces using React.js, reducing customer churn by 15%.
2023
ZeemRoyals Tech World, Kwara State, Nigeria

Frontend Developer Intern

  • Developed high-performance web applications for diverse business sectors.
  • Wrote reusable, scalable code using modern JavaScript frameworks.
  • Contributed to UI/UX design enhancements, adhering to best practices.

Community

Open Source Contributions

Actively contributing to projects that strengthen security, decentralization, and developer tooling across the open-source ecosystem.

FullStack Developer
Frontend Developer
Backend Developer
App Developer
AI Engineer
App Security Engineer
FullStack Developer
Frontend Developer
Backend Developer
App Developer
AI Engineer
App Security Engineer
FullStack Developer
Frontend Developer
Backend Developer
App Developer
AI Engineer
App Security Engineer
FullStack Developer
Frontend Developer
Backend Developer
App Developer
AI Engineer
App Security Engineer

Portfolio

Featured Work

Selected architectures engineered to solve complex digital challenges with speed, intelligence, and ironclad security.

DeenBridge
Next.js
Node.js

DeenBridge

DeenBridge is a full-scale Islamic learning ecosystem engineered to connect Muslims globally with authentic knowledge, verified tutors, and community-driven educational experiences.

Next.js
Node.js
MongoDB
Firebase
Riona-AI
Python
FastAPI

Riona-AI

The All-in-One AI & Browser Security Platform designed to enhance online safety seamlessly with deep threat telemetry and intelligent prevention.

Python
FastAPI
React
Tailwind
Neurovault
TypeScript
Next.js

Neurovault

A secure digital ecosystem for protecting identities, SaaS apps, and devices from web-borne threats while maintaining a top-notch user experience.

TypeScript
Next.js
PostgreSQL
Docker
BlockRoll
Next.js
TypeScript

BlockRoll

A decentralized, non-custodial file storage platform on BlockDAG with bank-level encryption, real-time collaboration, and developer SDKs for React, Vue, and vanilla JS.

Next.js
TypeScript
Solidity
MongoDB
Costrace
Go
Next.js

Costrace

An open-source LLM observability platform that automatically tracks costs, token usage, and latency across OpenAI, Anthropic, and Gemini APIs with real-time analytics and budget alerts.

Go
Next.js
PostgreSQL
Docker
ReferX
Next.js
NestJS

ReferX

A Web3-powered platform connecting experts, content creators, and gig workers to create engagement tasks, earn rewards, and participate in a decentralized community.

Next.js
NestJS
PostgreSQL
TypeScript