HI, I AM IFEANYI ZION

A Nigerian-based Software Engineer passionate about building scalable fullstack applications, high-performance backend systems, and clean digital experiences.

Ifeanyi Zion

ABOUT ME

I am a Software Engineer based in Nigeria building solutions to real-world problems.

With a background in Applied Geophysics, I bring analytical thinking, pattern recognition, and systematic problem solving into software engineering. I focus on developing clean, scalable, and efficient backend architectures alongside intuitive web interfaces.

Currently, I am expanding my expertise across AI/ML Engineering, Web3 technologies and cyptography. Beyond coding, I enjoy playing the bass guitar, teaching physics concepts, and continuously learning new technologies.

VIEW RESUME

FREQUENT TOOLS

My software stack is grounded in industry-standard tools for backend services, database design, modern frontends, and deployment workflows.

TypeScript
JavaScript
Python
C

WORK EXPERIENCE

Freelance Software Engineer

Full Stack & Backend Developer

June 2023 - Present
Remote
Full-time

Architecting performance-driven backend services, AI-powered platforms, and modern web applications for clients across healthtech, fintech, e-commerce, and SaaS domain spaces.

  • Designed and deployed scalable RESTful APIs with Node.js, Express, and PostgreSQL
  • Built AI orchestration layers with multi-LLM routing, RAG pipelines, and vector search for healthtech client Eloheh
  • Built responsive, accessible React and Next.js frontends with Tailwind CSS
  • Configured containerized microservices and Docker development workflows
  • Optimized SQL queries and database indexes, reducing query response times by over 40%

FEATURED PROJECTS

Here are selected software engineering projects highlighting fullstack applications, robust backend microservices, and interactive web tools.

Healthcare Platform API
Eloheh healthcare platform backend architecture

Eloheh API Backend

A production healthcare backend for diagnostic test-kit processing, AI-guided health insights, telemedicine workflows, patient notifications, payments, and clinic operations.

Node.jsExpressJavaScriptPostgreSQLPrismaRedisPythonOpenCVSocket.IOGoogle CloudFirebase Cloud MessagingStripeAWS S3SwaggerPrometheus
Year2025
RoleBackend Engineer
ArchitectureModular Express REST API & Google Cloud Services
Live URL
Marketplace Mobile App
Trustify marketplace mobile application

Trustify Marketplace App (Development)

Cross-platform marketplace application for browsing products, cart and checkout flows, transactions, wishlists, profiles, and real-time chat.

React NativeExpoJavaScriptExpo RouterSocket.IONativeWindAxiosExpo Secure Store
Year2025
RoleMobile Developer
ArchitectureExpo & React Native
Live URL
Marketplace API
Trustify marketplace backend API

Trustify Frontend & Backend (Developement)

TypeScript backend API for a marketplace mobile application, covering authentication, commerce, payments, media uploads, email, and real-time communication.

Node.jsTypeScriptExpressPostgreSQLPrismaRedisSocket.IOAWS S3FirebaseSwaggerSharp
Year2025
RoleBackend Engineer
ArchitectureExpress/TypeScript REST API & AWS Cloud Deployment
Live URL
Tutoring Platform API
Jelami tutoring platform backend architecture

Jelami Tutoring Platform Backend (Inactive)

Production backend for a tutoring platform with tutor and student workflows, courses, payments, scheduling, communications, and administration.

Node.jsExpressPostgreSQLPrismaRedisGoogle Cloud StoragePaystackSwaggerJWTZod
Year2025
RoleBackend Engineer
ArchitectureExpress REST API & Google Cloud Services
Live URL
Daycare Registration Platform
OnyxCrib daycare registration and scheduling platform

OnyxCrib Daycare Service

A daycare registration and scheduling platform with consent collection, email communication, media handling, and Google Sheets data workflows.

Next.jsReactJavaScriptTailwind CSSGoogle SheetsGoogle APIsNodemailer
Year2024
RoleFull Stack Developer
ArchitectureNext.js App Router & Google Sheets
Live URL
Business Website
AJ Johnson business website

AJ Johnson Business Website

Responsive business website with service-focused navigation, contact capture, interactive calls to action, analytics, and a polished component system.

Next.jsReactTypeScriptTailwind CSSRadix UIReact Hook FormZodNodemailerVercel Analytics
Year2025
RoleFrontend Developer
ArchitectureNext.js App Router
Live URL
Fashion E-commerce Store
Bollacent luxury fashion e-commerce storefront

Bollacent

A full-stack luxury fashion e-commerce storefront with product browsing, cart and checkout flows, order confirmation, email notifications, and an admin dashboard.

Next.jsReactTypeScriptPrismaEmailJS
Year2026
RoleFull Stack Developer
ArchitectureNext.js App Router & Prisma
Live URL
Healthcare RAG Pipeline

Health Knowledge RAG Pipeline

RAG Ingestion & Vector Embedding Pipeline

Health Knowledge RAG Pipeline

A healthcare content-ingestion pipeline that collects trusted sickle-cell resources, converts source files to text, generates Q&A, and prepares vector embeddings for AI retrieval.

Node.jsJavaScriptCheerioGoogle Vertex AILangChainPostgreSQLpdf-parseMammoth
Year2026
RoleBackend Engineer
ArchitectureRAG Ingestion & Vector Embedding Pipeline
GitHub Repo
Get in Touch

LET'S CONNECT

Have a project in mind, a job opportunity, or just want to say hi? I am open to discussing software engineering opportunities and collaboration.

Say hello at ifeanyizion3@gmail.com