# Frontend Engineering > Selected Engineer ApS work demonstrating Frontend Engineering — the achievements that prove it. - [Architected a layered maritime platform separating a Next.js PWA frontend, a Go (Huma/Fiber) API, and a PostgreSQL function layer, keeping all business logic in the database.](https://data.engineer.company/portfolio/architected-a-layered-maritime-platform-separating-a-next-57/) - [Generated 495 achievement pages across three languages from a read‑only SQLite export, with the page address authored as data so that correcting a sentence no longer moved the page and broke the link.](https://data.engineer.company/portfolio/generated-321-achievement-pages-from-a-sqlite-export-132/) - [Replaced 963 anonymous structured‑data blocks that restated the company 1,671 times with one linked graph of 16 types minted from stable origin identifiers.](https://data.engineer.company/portfolio/replaced-963-structured-data-blocks-with-one-graph-138/)