About RITCHIETECH
Full-Stack & Mobile App Developer · Cloud Solutions Architect · API Specialist · Software Engineering Professional
My Story
Hello! I'm Isaac Elisha, professionally known as Ritchie Tech. I'm a certified full-stack and mobile app developer with extensive expertise in building scalable, production-ready web and mobile applications. I hold a Bachelor of Science in Computer Science and maintain active certifications from Google Cloud, AWS, Microsoft Azure, and Meta.
“I build mobile apps and web platforms that drive measurable business value — from concept to deployment.”
With a proven track record of delivering enterprise-grade solutions, I specialize in mobile app development using React Native and Flutter, alongside modern web technologies. My expertise spans Node.js, Express.js, Python, RESTful APIs, GraphQL, and microservices architecture.
Mobile Apps
Cloud Architecture
Secure Systems
My approach combines technical excellence with business acumen, ensuring every solution — whether a cross-platform mobile app, a scalable cloud backend, or a complete web platform — drives real results and user satisfaction.
I'm committed to continuous professional development and staying at the forefront of technology. This dedication is reflected in my portfolio of 11+ certifications from industry leaders including Google, Amazon, Microsoft, and specialized platforms.
Technical Expertise
Deep knowledge across the full development stack
API & Service Architecture
- RESTful and GraphQL APIs
- Microservices & containerization
- Serverless (AWS Lambda, GCF)
- Event-driven architecture
Database & Storage
- PostgreSQL, MySQL (relational)
- MongoDB, Redis (NoSQL)
- Data modeling & optimization
- Migration & backup strategies
Security & Authentication
- JWT and OAuth implementation
- Role-based access control
- Encryption & secure transmission
- Vulnerability assessment
DevOps & Deployment
- Docker & Kubernetes
- CI/CD pipeline implementation
- AWS, GCP, and Azure deployment
- Monitoring & logging
Education
B.Sc. Computer Science
University of Nigeria, Nsukka • 2019-2023
CPN/NSQ Level 3 in Mobile App Development
Luzoma Microsystems Limited • 2025
Certificate ID: CPN/NSQ/24175884
Various Online Certifications
Coursera, Udemy, Pluralsight • 2022-2024
Google Cloud, AWS, Azure, Meta, and more
Location & Availability
Based in Owerri, Nigeria
Serving clients globally with timezone flexibility
Available for Opportunities
Open to freelance, contract, and full-time positions
Areas of Expertise
Cloud-Native Development
Enterprise Solutions
Technical Leadership
Technical Skills
Technologies and tools I work with
Professional Certifications
Industry-recognized credentials and qualifications
CPN/NSQ Level 3 in Mobile Application Development
CPN/NSQ Certification
Luzoma Microsystems Limited • 2024
ID: CPN/NSQ/24175884
Level 3Google Associate Cloud Engineer
Google Cloud
Google • 2024
AWS Certified Developer - Associate
Amazon Web Services
AWS • 2024
Meta Front-End Developer Professional Certificate
Coursera
Meta • 2023
Google Mobile Web Specialist
Google Developers
Google • 2023
Microsoft Certified: Azure Developer Associate
Microsoft
Microsoft • 2024
CDN App Developer Certification
Cloudflare
Cloudflare • 2023
Full Stack Web Development Specialization
Coursera
University of Michigan • 2023
React - The Complete Guide (incl Hooks, React Router, Redux)
Udemy
Maximilian Schwarzmüller • 2023
Node.js - The Complete Developer Bootcamp
Udemy
Andrew Mead • 2022
Advanced JavaScript and TypeScript Patterns
Frontend Masters
Frontend Masters • 2024
Want to Know More?
Download my complete resume for detailed information about my experience, projects, and achievements.