Interesting things I've led or had a prominant role in.
Secure healthcare systems.
P2P Ecommerce.
DNS systems.
Realtime large scale messaging.
Adtech, scaling billions+ requests.
Adtech, fraud and malware detection.
Open source development.
DDoS and attack mitigation.
Top 50 visited website architecture.
High concurrency millions+ websockets.
Observability platforms.
USA voting systems.
Application UI/UX design.
Accessibility and internationalisation (i18n).
Technical leadership.