> SIMANGALISO_VILAKAZI
Software Engineer • Systems Builder
Building calm, reliable software and infrastructure
SYSTEM.ACTIVITY
LOGS/PRODUCTS
Automated payment follow-ups for invoices and other outstanding payments. Send reminders instantly or automate follow-ups with tone escalation (friendly → firm). Chase invoices, client payments, milestone payments, subscriptions, personal debts, and other balances from one system. Fully branded emails with customizable templates.
Real-time network intrusion detection system that captures live traffic, extracts flow-level features, and detects threats using rule-based signatures and a trainable Isolation Forest anomaly model. The model is trained on your network's baseline traffic to learn what normal behavior looks like, allowing it to surface anomalies in real time. Runs continuously with zero cloud dependencies.
PathForge is a free mentorship and skills development platform helping South African women and youth gain real work experience through project-based learning, addressing the country's high unemployment challenge.
Salary data aggregation. Transparent market insights.
Instant airtime-to-USDC. Non-custodial Stellar rails.
Professional work experience is available with an access code.
LOGS/SYSTEMS
Always-on intrusion detection node. Packet capture runs as a LaunchDaemon, while the analyzer and monitoring dashboard run in Docker. The ML model is retrained periodically on live baseline traffic.
Self-hosted LLM serving infrastructure powering AI features across multiple products. Generates chase-type-aware follow-up emails in PayChasers with real-time SSE streaming — adapts tone and language per payment type (casual for personal debts, formal for invoices). Handles natural language queries in the portfolio terminal (structured commands are processed locally without AI). Load-balanced model routing with automatic fallback between Qwen 3.5 and Qwen 2.5 based on concurrent request load. Exposed via Cloudflare Tunnel with a reverse proxy layer.
ACKNOWLEDGEMENTS
Credited contributor to the radCAD open-source simulation framework.
Contribution:
- - cadCAD compatibility mode
- - CI pipeline improvements
COMMUNITY
Cape Software Community Blog
Built the Cape Software Community website from the ground up as a commissioned bounty project and continue to maintain and evolve it.