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RITCHIETECH

Code Crafted, Solutions Unleashed

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

React Native
iOS Development
Android Development
Mobile App Development
Flutter
React
Next.js
TypeScript
JavaScript (ES6+)
HTML5/CSS3
Tailwind CSS
Redux/Zustand
React Query
Node.js
Express.js
Python
PHP
REST APIs
GraphQL
MongoDB
PostgreSQL
MySQL
Redis
Google Cloud Platform
AWS (EC2, S3, Lambda)
Microsoft Azure
Docker
Kubernetes
CI/CD
Vercel/Netlify
Git/GitHub
Webpack/Vite
Jest/Cypress
Cloudflare CDN
Nginx

Professional Certifications

CPN/NSQ Level 3 in Mobile Application Development

CPN/NSQ Certification

Luzoma Microsystems Limited2024

ID: CPN/NSQ/24175884

Level 3

Google Associate Cloud Engineer

Google Cloud

Google2024

AWS Certified Developer - Associate

Amazon Web Services

AWS2024

Meta Front-End Developer Professional Certificate

Coursera

Meta2023

Google Mobile Web Specialist

Google Developers

Google2023

Microsoft Certified: Azure Developer Associate

Microsoft

Microsoft2024

CDN App Developer Certification

Cloudflare

Cloudflare2023

Full Stack Web Development Specialization

Coursera

University of Michigan2023

React - The Complete Guide (incl Hooks, React Router, Redux)

Udemy

Maximilian Schwarzmüller2023

Node.js - The Complete Developer Bootcamp

Udemy

Andrew Mead2022

Advanced JavaScript and TypeScript Patterns

Frontend Masters

Frontend Masters2024

Want to Know More?

Download my complete resume for detailed information about my experience, projects, and achievements.