Igbaji Joseph
Kolitem
Bridging the gap between robust backend systems, intuitive frontend experiences, and enterprise-grade security infrastructure.
About Me
A passionate technologist with expertise spanning cybersecurity, network engineering, and full-stack development. I thrive on solving complex problems and building secure, scalable solutions.
Leadership Experience
Led engineering teams and mentored junior developers across multiple organizations.
Security Expertise
Specialized in network security, vulnerability assessment, and security infrastructure design.
Full-Stack Proficiency
End-to-end development experience from database design to user interface implementation.
Experience
A journey through diverse roles in technology, from network administration to leading engineering teams.
Leading a team of engineers in developing scalable web applications and implementing DevOps practices. Architected microservices infrastructure and established security protocols.
Key Achievements:
- Led a team of 8 engineers across multiple projects
- Implemented CI/CD pipelines reducing deployment time by 70%
- Designed and deployed microservices architecture serving 100K+ users
- Established security best practices and code review processes
Technologies:
Developed responsive web applications and collaborated with UX/UI designers to create intuitive user interfaces. Focused on performance optimization and accessibility.
Key Achievements:
- Collaborated to Build 4+ responsive web applications using React.js and Vite
- Improved application performance by 40% through code optimization
- Implemented accessibility standards achieving WCAG 2.1 compliance
- Mentored 3 junior developers in modern frontend practices
Technologies:
Designed and implemented network security solutions, conducted vulnerability assessments, and managed enterprise network infrastructure.
Key Achievements:
- Secured network infrastructure for 20+ enterprise clients
- Conducted security audits identifying and mitigating 95% of vulnerabilities
- Implemented firewall configurations reducing security incidents by 80%
- Designed disaster recovery plans ensuring 99.9% uptime
Technologies:
Managed network operations, maintained server infrastructure, and provided technical support for enterprise clients.
Key Achievements:
- Maintained 99.8% network uptime across multiple client sites
- Automated routine maintenance tasks reducing manual work by 60%
- Implemented monitoring solutions for proactive issue resolution
- Provided Level 2 technical support for 200+ users
Technologies:
Skills & Expertise
A comprehensive toolkit spanning development, security, and infrastructure management.
Featured Projects
A showcase of projects spanning security, development, and infrastructure automation.
Zorotax is a full tax manager designed specifically for the Nigeria Tax Act (NTA) 2025. Calculate PIT, CIT, and VAT with 100% accuracy..
Key Features:
- User authentication and authorization
- Custom short links
- Event creation and management
- Analytics dashboard
- Responsive design
Technologies:
LotNG is a fully powered URL Shortener and Event Management System. It allows users to create short links, create and manage events, and track analytics.
Key Features:
- User authentication and authorization
- Custom short links
- Event creation and management
- Analytics dashboard
- Responsive design
Technologies:
A scalable school management platform built with microservices architecture. Includes admin dashboard, teachers and parent dashboard, student portal, and real-time notifications.
Key Features:
- Microservices architecture
- Payment gateway integration
- Real-time notifications
- Advanced search and filtering
- Admin, Teachers, Parent and Student dashboard
Technologies:
Rimotehands Global Ltd. Web Site
Key Features:
- Responsive design
- Dark mode support
- User-friendly interface
Technologies:
Rimotestream live streaming service
Key Features:
- Responsive design
- Dark mode support
- User-friendly interface
Technologies:
Get In Touch
Ready to collaborate on your next project? Let's discuss how I can help bring your ideas to life.
Let's Connect
I'm always interested in discussing new opportunities, innovative projects, and ways to solve complex technical challenges. Whether you're looking for a security consultant, full-stack developer, or technical leader, I'd love to hear from you.
© 2026 Igbaji Joseph Kolitem. Built with Next.js, MongoDB, Tailwind CSS, and Framer Motion.