Hi, I'm David Livingstone đź‘‹
Software Engineer & Product Builder • 5+ years building reliable systems
I build web and mobile applications that stand up to real-world demands—focused on performance, clean architecture, and user flows that work even under tight constraints.
I’ve built and scaled various SaaS products, owning systems from the first line of code to thousands of daily users.
My Projects
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Core Expertise
Backend Systems
Top Skills
Node.js (NestJS)Python (FastAPI)PostgreSQL (At Scale)
Other Skills
Redis (Caching), Microservices, TypeScript
Web & Mobile
Top Skills
React Native (Offline-First)Next.jsSvelteKit
Other Skills
Real-time / WebSockets, Tailwind CSS, React
Infrastructure
Top Skills
CI/CD (GitHub Actions)DockerCloud Architecture
Other Skills
AWS / Google Cloud, Linux, Automated Testing
Specialized Domains
Top Skills
Agentic AI SystemsFintech InfrastructureLegacy Migrations
Other Skills
System Design, MVP Strategy, User Flow Optimization
Latest Notes
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