Implementation / Developer Support Engineer
I build API-first integrations, backend systems, and operational tooling in Python and TypeScript.
My work tends to span the full delivery path: technical discovery, implementation, CI/CD, deployment, monitoring, and production support.
- Python / TypeScript services
- APIs, auth, webhooks, and background jobs
- PostgreSQL, Redis, Firestore, Cloud Run
- Docker, Terraform, GitHub Actions
- AI-assisted development with Codex as an execution accelerator for implementation speed, debugging, and documentation
- QuestByCycle — bicycling platform with quests, badges, leaderboards, and pilot operations
- CrowdPM Platform — crowd-sourced air-quality monitoring platform and node with real-time map visualization
- ARM64-ADK — Rust/gRPC/GTK toolkit for Linux ARM64 Android development workflows
- DripCopy — fault-tolerant optical-media copier for low-power Linux hardware
- Implementation / integration engineering
- Developer support and technical support roles
- Backend systems, infrastructure, tooling, and operational delivery
- Mobility, bicycling, and applied software projects
- Website: rosenau.info
- GitHub: denuoweb
- Email: jaron@rosenau.info





