Senior Java Developer 20+ Years Experience

Enterprise-grade e-commerce platform built with Spring Boot microservices, deployed on AWS with automated CI/CD pipelines for Pick n Pay.

Merchant acquisition system with mobile interface and integration to multiple payment vendors, fraud detection systems, and terminal device vendors.

Complete rewrite of IBM IAA insurance application using modern microservices architecture with Neo4J graph database and AWS cloud services.

AI-powered medical transcription SaaS for South African healthcare practitioners. Features real-time speech-to-text with speaker diarization (OpenAI Whisper, Deepgram, Google Speech-to-Text), AI-driven SOAP note generation with ICD-10 and medical tariff code extraction, multi-language support with code-switching detection (English, Afrikaans, Zulu, Xhosa, Sotho), MediKredit integration for electronic medical aid claims to 100+ schemes using mTLS authentication, automated ERA reconciliation with SFTP retrieval and XML/EDI parsing, NAPPI pharmaceutical database integration, subscription billing with PayFast, and multi-role staff management with full audit logging.

AI-powered document conversion SaaS enabling South African accountants, bookkeepers, and SMEs to automate financial document processing. Features AI vision models (Google Gemini 2.0 Flash, Anthropic Claude) for extracting structured transaction data from bank statement PDFs across 9 major SA banks (FNB, Standard Bank, Nedbank, ABSA, Capitec, Investec, African Bank, TymeBank, Discovery Bank), AI-driven invoice extraction with VAT validation and duplicate detection, OCR pipeline with Tesseract.js, multi-format exports for Sage One, Sage Pastel, Xero, QuickBooks, DraftWorx, OAuth 2.0 integrations, multi-client management, and AI-powered receipt scanning with expense categorization.

Comprehensive pharmacy delivery platform for South Africa comprising backend API, two web dashboards, and two mobile applications. Features AI-powered prescription processing using OCR (Tesseract.js, Google Vision API) for medication extraction, NAPPI database integration with SAHPRA scheduling compliance (S0-S6 controlled substances), real-time order tracking with Socket.io and Google Maps, customer mobile app (React Native + Expo) with prescription upload and order tracking, driver mobile app with turn-by-turn navigation and proof-of-delivery capture, pharmacy dashboard for inventory and prescription verification, admin panel, PayFast/Stripe payments, MediKredit API for medical aid claims, and full POPIA compliance with audit logging.

AI-powered compliance automation platform helping South African small businesses manage regulatory filings and documentation. Features AI document processing pipeline using OpenAI GPT-4 Vision and GPT-4o-mini for automatic classification and data extraction from ID documents, bank statements, tax certificates, BEE certificates, company registrations, and financial statements. Includes South African-specific validators for ID numbers (13-digit with Luhn checksum), CIPC registration numbers, SARS tax numbers, BEE levels, automated workflows for CIPC annual returns, BEE renewals, SARS submissions, Employment Equity reporting with deadline tracking, WhatsApp Business API integration via Twilio, and multi-tier subscription billing with PayFast and Stripe.