// backend_engineer.init()

Israel
Macaulay

Backend engineer with 3+ years designing scalable APIs and production systems across fintech and AI-driven healthcare platforms. Expert in Node.js, Django, PostgreSQL, and cloud infrastructure.

▸ view_projects() contact.me()
profile.json
{
  "name": "Israel Macaulay",
  "role": "Backend Engineer",
  "experience": "3+ years",
  "location": "Lagos, Nigeria",
  "domains": [
    "Fintech",
    "Healthcare Platforms",
    "AI Systems"
  ],
  "status": "open_to_opportunities"
}

$
02 // tech_stack

Technical Skills

// languages
JavaScript TypeScript Python C Bash Scripting
// frameworks
Express.js Django Django REST Framework FastAPI Node.js
// databases
PostgreSQL MySQL MongoDB Redis
// cloud & devops
Docker AWS S3 AWS Textract Azure Nginx CI/CD
// architecture
RESTful APIs Microservices Webhooks Background Jobs Distributed Workers Scalable Systems Event Driven Architecture Credit Underwriting
// security & testing
JWT Auth RBAC API Validation Jest Mocha Pytest Nyc
03 // featured_work

Projects I've Built

project_01

Kredit Africa – Credit Risk Infrastructure

Backend platform powering financial intelligence systems for evaluating borrower creditworthiness and detecting fraud in digital lending pipelines.

  • OCR-to-structured-data pipeline using AWS Textract for complex financial PDFs
  • ML-assisted fraud detection and transaction behavior analysis
  • Webhook integrations for real-time bank transaction ingestion
  • Risk scoring infrastructure and identity fraud detection pipelines
  • Bank statement extraction and analysis, and credit check reporting
Django • PostgreSQL • ML • Microservice
Kredit Africa Website
project_02

MDAAS Healthcare Platform

Multi-service backend platform powering diagnostic laboratory operations across multiple medical centers.

  • Beacon Health HQ – central lab operations system
  • SentinelX – secure patient portal
  • Beam – partner referral management
  • Affiliate Center – outreach and partner tracking
  • Secure medical data handling and multi-center patient workflows
Node.js • Express • PostgreSQL • JWT
Beacon Health HQ Beacon Health Center SentinelX Patient Portal Beam Referral System Affiliate Center
project_03

Hazel AI – Clinical AI Infrastructure

AI-assisted backend platform streamlining clinical documentation and healthcare workflows at scale.

  • Google Gemini integration for AI-assisted medical documentation
  • Automated structured patient record generation
  • AI-assisted clinical workflow support
  • Secure RBAC with role-segregated data access
  • Activity log trail and monthly reporting to superadmins
  • Multi support for different AI agents and models
Node.js • PostgreSQL • Google Gemini • AI APIs
Go Hazel AI Hazel Admin
project_03

Compliance Core Data Service

Django REST Framework backend aggregating and serving financial compliance data from multiple regulatory sources.

  • Panama App – parses Excel files with law and rule clauses, footnotes, and article metadata
  • FINRA Rules App – web scrapes FINRA rules and converts them to XML
  • CFR App – scrapes Code of Federal Regulations using rotating proxies
  • Core App – central database models, proxy management, scraping utilities, API endpoints
  • Features automated scraping, proxy rotation, Excel data extraction, XML conversion, and API key authentication
Django 3.2 • DRF • PostgreSQL • BeautifulSoup • lxml • pandas • XML • Docker • Kubernetes
Private Deployment
project_04

Fun2Do – Fintech Platform

Early-stage fintech product focused on financial engagement and digital task-based financial services.

  • Core backend infrastructure and API architecture from scratch
  • Secure JWT authentication and authorization systems
  • Financial service integrations and payment workflows
  • Scalable database schemas for financial data management
Node.js • Express • PostgreSQL • JWT
↗ in development
project_05

Student Learning Platform

Scalable backend supporting student learning workflows including profile management, course enrollment, and academic records.

  • Role-based access control for students and instructors
  • Course management APIs with enrollment workflows
  • Academic record systems and scalable student data services
  • Secure JWT authentication architecture
Node.js • Express • PostgreSQL • JWT • RBAC
↗ in development
04 // work_history

Professional Experience

Enyata Backend Engineer Aug 2024 – Present

AI-Driven Healthcare & Fintech Products

  • Architect and maintain scalable REST APIs using Node.js (Express.js) and PostgreSQL
  • Design backend systems supporting fintech transaction processing and AI-assisted clinical workflows
  • Implement secure authentication and authorization (JWT, RBAC)
  • Integrate third-party APIs including payment gateways and cloud AI services
  • Develop modular microservices architecture with Docker-based containerization
  • Implement caching, rate limiting, and database query optimization for API performance
  • Build secure webhook processing services for real-time event handling
  • Collaborate cross-functionally to deliver production-ready features
Kredit Africa Backend Engineer Aug 2024 – Aug 2025

Fintech & Credit Infrastructure

  • Designed and deployed an OCR-to-structured-data pipeline for complex financial PDFs using AWS Textract
  • Built backend APIs using Django REST Framework and PostgreSQL for financial data processing and reporting
  • Developed ML-assisted fraud detection and transaction behavior analysis pipelines
  • Implemented webhook integrations for real-time bank transaction ingestion
  • Built secure data handling systems with JWT authentication and role-based access control
  • Automated financial document extraction workflows using Python and cloud services
05 // get_in_touch

Let's build
something great.

Open to backend engineering roles — platform engineering, distributed systems, fintech infrastructure, AI backend systems, and data pipelines.

// current_status.json
Available for Work
  • Full-time backend engineering roles
  • Platform & distributed systems engineering
  • Fintech & financial infrastructure
  • AI backend & healthcare systems
  • Remote or Lagos-based opportunities
send_message()