# Platform Architecture > Selected Engineer ApS work demonstrating Platform Architecture — the achievements that prove it. - [Designed a comprehensive infrastructure framework for DTU impacting 14 departments, featuring flexible modules, unified data pipelines, and structured support strategies for long‑term adoption.](https://engineer.company/portfolio/designed-a-comprehensive-infrastructure-framework-for-dtu-impacting-3/) - [Architected, created, and managed 100 PostgreSQL, MS SQL, and Google BigQuery data warehouse databases with primarily GIS and time‑series data, optimizing performance and scalability.](https://engineer.company/portfolio/architected-created-and-managed-100-postgresql-ms-sql-12/) - [Led the software development of a GIS map application, driving revenue growth by 10x and positioning the product as a primary data asset.](https://engineer.company/portfolio/led-the-software-development-of-a-gis-map-24/) - [Directed full‑stack GIS map development, overseeing PostgreSQL, Mapbox, ReactJS, and NodeJS to deliver an integrated solution.](https://engineer.company/portfolio/directed-full-stack-gis-map-development-overseeing-postgresql-25/) - [Overhauled internal processes, saving 8,000 hours by improving software architecture, systems, and scheduling efficiency.](https://engineer.company/portfolio/overhauled-internal-processes-saving-8-000-hours-by-38/) - [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://engineer.company/portfolio/architected-developed-implemented-supported-infrastructure-data-processing-and-55/) - [Optimized budget costs 10 times with zero loss in productivity for the Saudi Arabia company by reimagining the overall infrastructure, eliminating unnecessary services, and relocating from the AWS cloud.](https://engineer.company/portfolio/optimized-budget-costs-10-times-with-zero-loss-56/) - [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://engineer.company/portfolio/architected-a-layered-maritime-platform-separating-a-next-57/) - [Designed a JSON passthrough architecture where PostgreSQL functions return complete JSON forwarded verbatim by the Go API, eliminating intermediate unmarshalling and decoupling the frontend from schema changes.](https://engineer.company/portfolio/designed-a-json-passthrough-architecture-where-postgresql-functions-58/) - [Designed an organization context‑switching system with client localStorage and server‑side cookie mirroring, letting users act as managed organizations while enforcing least‑privilege authorization.](https://engineer.company/portfolio/designed-an-organization-context-switching-system-with-client-59/) - [Migrated the HTTP API from Fiber to Huma v2 — 649 paths and 760 operations — reaching and holding 100% parity between the routes the server registers and the OpenAPI description it publishes.](https://engineer.company/portfolio/migrated-the-http-api-from-fiber-to-huma-60/) - [Designed a PostgreSQL function‑first data layer — 1,275 stored functions across 34 schemas — so every read and write goes through a function the database can grant, rather than through a table.](https://engineer.company/portfolio/designed-a-postgresql-function-first-data-layer-across-63/) - [Modeled the maritime domain into 348 normalized tables across 34 PostgreSQL schemas — professionals, companies, ships, jobs, reviews and the rest — with SMALLINT lookups and UUID v7 keys.](https://engineer.company/portfolio/modeled-the-maritime-domain-professionals-companies-ships-jobs-67/) - [Provisioned Azure infrastructure as code with Bicep — Container Apps, PostgreSQL Flexible Server, Front Door/WAF and networking — across the development, staging and production environments.](https://engineer.company/portfolio/provisioned-azure-infrastructure-as-code-with-bicep-container-68/) - [Built the Next.js 16 frontend with deliberate SSR, SSG and CSR strategies, and a reusable prefetched‑server‑page factory that removes the N+1 fetch cascade from each authenticated page moved onto it.](https://engineer.company/portfolio/built-the-next-js-16-frontend-with-deliberate-73/) - [Hardened the application with nonce‑based CSP, HSTS, SameSite cookies, least‑privilege database roles and server‑side entitlement re‑checks.](https://engineer.company/portfolio/hardened-the-application-with-nonce-based-csp-hsts-77/) - [Set the platform's founding decisions in the weeks after the repository opened in November 2025 — the layering, database‑first data access and the zero‑warnings bar — and they still hold nine months on.](https://engineer.company/portfolio/set-the-platform-s-founding-decisions-in-november-2025-80/) - [Planned and implemented new infrastructure functionality for internal and external systems, building solutions durable enough to still run years later with minimal change.](https://engineer.company/portfolio/planned-and-implemented-new-infrastructure-functionality-for-internal-85/) - [As one of the first hires, designed and built the entire core infrastructure and supporting processes from scratch for a green‑energy SaaS startup, laying the foundation for rapid growth.](https://engineer.company/portfolio/as-one-of-the-first-hires-designed-and-86/) - [Built the company's own infrastructure as 19 Ansible playbooks and 34 roles across 12,065 lines of YAML, converging a live host to a declared state with every play idempotent.](https://engineer.company/portfolio/built-the-companys-infrastructure-as-code-108/) - [Ran the whole company on one 512 MB single‑core host — a git forge, a web server serving seven domains, Tor, two alternate‑protocol servers, backups and intrusion banning — by treating 464 MB of usable memory as the binding architectural constraint.](https://engineer.company/portfolio/ran-the-whole-company-on-one-512mb-host-109/)