lagos, nigeria · open to full-time & freelance

ISRAEL JOHNSON.

Full Stack Developer

ai-powered products · cloud infrastructure · security tooling

End-to-end products: React/Next.js frontends, Python backends, containerized deployments, and LLM features in production.

Portrait of Israel Johnson

About me

Full Stack Developer with hands-on experience building AI-powered web applications, cloud infrastructure, and security tooling, from integrating large language models (Qwen, DeepSeek) into production services to deploying containerized backends with Docker and Terraform.

I've delivered complete, working products end to end for enterprises, government institutions, and small businesses, owning everything from requirements and database design to deployment.

  • Lagos, Nigeria
  • +234 903 714 0827

AWS Certified Cloud Practitioner

CLF-C02 · Amazon Web Services

Google Cybersecurity Certificate

Professional Certificate · Google


Technical skills

Languages & Frameworks


  • TypeScript · JS
  • Python · Rust
  • React · Next.js
  • React Native
  • FastAPI · Django
  • Node.js · Redux

Data & Infrastructure


  • PostgreSQL · SQL
  • Docker · Terraform
  • CI/CD pipelines
  • GitHub Actions
  • REST API design
  • Linux · Git

Cloud & AI


  • AWS Certified
  • Google Cloud
  • LLM integration
  • Qwen · DeepSeek
  • Ollama · QwenVL
  • AI / ML APIs

Security


  • Infrastructure sec
  • Intrusion detection
  • JWT · RBAC
  • API security
  • Vuln. scanning

Selected projects

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NetGuard AI: Intrusion Detection

Real-time network intrusion detection: live packet capture, an ML ensemble (XGBoost, Random Forest, Isolation Forest) for threat classification, GeoIP enrichment, and a web alert dashboard.

Python · Django · Scapy · XGBoost

IaC Threat Scanner

Security scanner for Infrastructure-as-Code: parses Docker Compose and Kubernetes configs to detect misconfigurations, exposed secrets, and policy violations, with CVSS-inspired risk scoring.

Python · FastAPI · React · Docker · Kubernetes

Lockit: Zero-Knowledge Vault

Local-first password and document vault for the desktop: client-side AES encryption, an embedded loopback server, and automated releases through GitHub Actions.

TypeScript · Tauri · React · Node.js · SQLite

Deskpal API

Multi-tenant backend with JWT auth and RBAC, retrieval-augmented generation with prompt-injection defense, rate limiting, and a full pytest suite.

Python · FastAPI · JWT · RAG

Local LLM Setup: Ollama & DeepSeek

Configured a local Ollama instance and benchmarked DeepSeek models for on-premise AI workloads.

Ollama · DeepSeek · On-prem AI

IVR Lab: Self-Hosted Contact Center

Zero-cost self-hosted contact center: Asterisk 20 with a FastAPI/ARI control layer, Redis, Postgres, and Prometheus/Grafana observability.

Python · Asterisk · Redis · Postgres · Grafana


Where I've worked

Present

Full Stack Developer

Cerdatech Academy

Integrated the Qwen LLM into customer support for AI-powered automated responses; building features across React/Next.js frontends and Python backend services.

Feb - Aug 2026

Full Stack Developer · Freelance

Caleb University

Delivered a full Record Management System (React Native app, public website, and admin dashboard) with QwenVL image validation, Docker + Terraform deployment, and RBAC.

Jan - Apr 2026

Full Stack Developer · Freelance

Office of the Accountant General of the Federation

Built a Pension Management System from scratch: secure PostgreSQL architecture, REST APIs for pension calculations and disbursement, and robust authentication.

Aug 2024 - Oct 2025

Backend Developer · Internship

NPF-NCCC

Contributed to a Case Audit System: database models and REST APIs in Python and PostgreSQL, case tracking and audit workflows, integrated with a React frontend.

2022 - 2023

Full Stack Developer · Freelance

Terra Jewelry

Delivered a complete e-commerce website for a jewelry store: catalog, inventory, orders, authentication, cart, and secure payment workflows.

B.Sc. Computer Science, Second Class Upper

Caleb University, Imota, Lagos, 2022 - 2026

Let's build something together.

Open to full-time roles and freelance projects, especially where AI, cloud infrastructure,
and security meet. Based in Lagos, working worldwide.

Get in Touch