# Documentation > Selected Engineer ApS work demonstrating Documentation — 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://data.engineer.company/portfolio/designed-a-comprehensive-infrastructure-framework-for-dtu-impacting-3/) - [Delivered 8 Power BI projects with comprehensive manuals, integrating Microsoft Power BI tools with NodeJS API and Python FastAPI for effective data analytics and visualization.](https://data.engineer.company/portfolio/delivered-8-power-bi-projects-with-comprehensive-manuals-10/) - [Released 500 electricity and GIS data analysis reports, utilizing deep research and troubleshooting to ensure accurate geographic and time series big data insights.](https://data.engineer.company/portfolio/released-500-electricity-and-gis-data-analysis-reports-11/) - [Enhanced data security by implementing 1,000 RBAC rules for developers, application instances, PostgreSQL, MS SQL, and other Linux servers, preventing unauthorized access; documented with Ansible automation.](https://data.engineer.company/portfolio/enhanced-data-security-by-implementing-1-000-rbac-14/) - [Gathered and analyzed business requirements to translate into actionable features and user stories aligned with data governance standards.](https://data.engineer.company/portfolio/gathered-and-analyzed-business-requirements-to-translate-into-31/) - [Wrote a scope rule into the repository after a restructure carried another company's inventory, firewall allowances and prose into it — and kept the quarantined residue under the secret scanner rather than excluding it.](https://data.engineer.company/portfolio/wrote-a-scope-rule-after-a-credential-leak-124/) - [Moved every user‑facing string out of Python into a content tree of 874 files across three languages, after finding dead translations nobody could see were dead and a check silently grading a third of the achievements.](https://data.engineer.company/portfolio/moved-every-user-facing-string-into-a-content-tree-152/) - [Built a cross‑language content check that fails when a translation drops a figure the English states, and when a language uses notation it does not use — finding two Danish descriptions missing a metric and sixteen Ukrainian spans quoting in the English style.](https://data.engineer.company/portfolio/built-a-cross-language-figure-and-notation-check-153/) - [Audited 644 Rust crates for licence compatibility on every build, and proved the check fires by rewriting one crate's licence and by moving the pinned core revision without regenerating.](https://data.engineer.company/portfolio/audited-644-rust-crates-for-licence-compatibility-163/)