About RITCHIE
Backend-Focused Full-Stack Developer | Cloud Solutions Architect | API Specialist | Database Designer | Software Engineering Professional
My Story
Hello! I'm Isaac Elisha, professionally known as Ritchie Tech. I'm a certified full-stack developer with extensive expertise in building scalable, production-ready web applications. I hold a Bachelor of Science in Computer Science and maintain active certifications from Google Cloud, AWS, Microsoft Azure, and Meta.
With a proven track record of delivering enterprise-grade solutions, I specialize in modern web technologies with particular strength in backend development. My expertise spans Node.js, Express.js, Python, RESTful APIs, GraphQL, and microservices architecture. I build robust server-side applications with secure database integration, authentication systems, and scalable cloud infrastructure.
My backend expertise includes designing and implementing complex database schemas, API architecture, serverless functions, and containerized applications. I specialize in building secure, scalable systems that handle high traffic loads and complex business logic. My approach combines technical excellence with business acumen, ensuring that every solution I build drives measurable value 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 certifications from industry leaders including Google, Amazon, Microsoft, and specialized platforms. My backend focus ensures reliable, performant, and maintainable server-side solutions that form the backbone of successful applications.
Backend Expertise
API & Service Architecture
- Design and implementation of RESTful and GraphQL APIs
- Microservices architecture and containerization
- Serverless computing with AWS Lambda and Google Cloud Functions
- Message queues and event-driven architecture
Database & Storage
- Relational databases (PostgreSQL, MySQL)
- NoSQL databases (MongoDB, Redis)
- Data modeling and optimization
- Database migration and backup strategies
Security & Authentication
- JWT and OAuth implementation
- Role-based access control (RBAC)
- Data encryption and secure transmission
- Penetration testing and vulnerability assessment
DevOps & Deployment
- Docker containerization and orchestration
- CI/CD pipeline implementation
- Cloud deployment on AWS, GCP, and Azure
- Monitoring and logging solutions
Education
Bachelor of Science in Computer Science
University of Nigeria, Nsukka • 2019-2023
CPN/NSQ Level 3 in Mobile Application Development
Luzoma Microsystems Limited • 2025
Certificate ID: CPN/NSQ/24175884
Various Online Certifications
Coursera, Udemy, Pluralsight • 2022-2024
Including Google Cloud, AWS, Azure, Meta, and specialized courses
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
Building scalable cloud applications on AWS, GCP, and Azure
Enterprise Solutions
Architecting production-grade systems for businesses
Technical Leadership
Mentoring developers and driving best practices
Technical Skills
Professional Certifications
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.
