Jack Singer
Software Engineer
I build thoughtful software at scale.
Guided by design, craft, and real-world impact.
Experience
Software Engineer II
CodeHS
Feb 2026 – Present
- Lead UI/UX redesigns for 6M+ student platform
- Architect AI features serving millions of daily active users
- Integrate agentic coding agents (Claude Code, Cursor) into curriculum team workflows
- Drive DX initiatives that increased PR throughput 88%
Software Engineer
CodeHS
Aug 2024 – Feb 2026
- Built AI Creator: LLM-powered curriculum tool for thousands of teachers
- Developed AI Chat: Context-aware tutoring assistant with multi-layer validation
- Launched bool.com: AI website builder scaled to 8,000+ sites
- Created internal CLI used by entire team to interface with AI agents, streamlining workflows
Skills
Python
Django
JavaScript
TypeScript
React
Next.js
Node.js
PostgreSQL
Docker
AWS
Figma
Unix
REST API
Git/GitHub
Tailwind