# Full‑Stack Product Development

> Selected work demonstrating this service.

- [Architected, developed, implemented, supported infrastructure, data processing, and the map application for 2 years non‑stop without any weekends, holidays, or vacations, 10–14 hours a day.](https://platform.engineer.company/portfolio/architected-developed-implemented-supported-infrastructure-data-processing-and-55/)
- [Built company ownership claims end to end — a user claims a company, an administrator adjudicates, and an approval rewrites the authorization graph that decides who is allowed to edit what.](https://platform.engineer.company/portfolio/built-company-ownership-claims-end-to-end-103/)

<https://platform.engineer.company/services/full-stack-development/>