# Infrastructure > Selected Engineer ApS work demonstrating Infrastructure — 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://software.engineer.company/portfolio/designed-a-comprehensive-infrastructure-framework-for-dtu-impacting-3/) - [Overhauled internal processes, saving 8,000 hours by improving software architecture, systems, and scheduling efficiency.](https://software.engineer.company/portfolio/overhauled-internal-processes-saving-8-000-hours-by-38/) - [Administered 40 websites on Ubuntu Linux hosting servers with Apache and Nginx, ensuring high availability and performance.](https://software.engineer.company/portfolio/administered-40-websites-on-ubuntu-linux-hosting-servers-53/) - [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://software.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://software.engineer.company/portfolio/optimized-budget-costs-10-times-with-zero-loss-56/) - [Planned and implemented new infrastructure functionality for internal and external systems, building solutions durable enough to still run years later with minimal change.](https://software.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://software.engineer.company/portfolio/as-one-of-the-first-hires-designed-and-86/) - [Built first‑party error monitoring and OpenTelemetry tracing rather than buying them — payload sanitising, spike and regression detection, symbolication and a synthetic heartbeat — behind 11 operator views.](https://software.engineer.company/portfolio/built-first-party-error-monitoring-and-tracing-98/) - [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://software.engineer.company/portfolio/ran-the-whole-company-on-one-512mb-host-109/) - [Deployed the company's own git forge on Soft Serve, private by default with no web panel and its SSH port bound to loopback behind a jump host, and made the landing page in front of it a build artefact of the main site rather than a hand‑kept copy.](https://software.engineer.company/portfolio/deployed-the-companys-own-git-forge-121/) - [Mirrored the entire site as 777 Gemini documents and 777 Gopher documents off the same deployed tree, at zero bytes of change to the HTML.](https://software.engineer.company/portfolio/mirrored-the-site-to-gemini-and-gopher-137/)