The latest articles on DEV Community by Cojocariu Constantin (@cojocariu_constantin_6d5d). https://dev.to/cojocariu_constantin_6d5d https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3979229%2F6ac463fb-4bd0-4ed6-a0f2-37903a835370.jpg https://dev.to/cojocariu_constantin_6d5d en Cojocariu Constantin Thu, 11 Jun 2026 09:44:47 +0000 https://dev.to/cojocariu_constantin_6d5d/new-project-4f44 https://dev.to/cojocariu_constantin_6d5d/new-project-4f44 <p>om Microsoft Learn badges to a live app — I shipped QuantVest Engine.<br> After building AI &amp; data skills (Azure, computer vision, data analytics),<br> I wanted something real on my portfolio — not just certificates.<br> So I built free finance tools I actually use as an investor:<br> QuantVest Engine is now live:<br> → Single-stock ratios (P/E, PEG, ROE, liquidity)<br> → ETF dollar-cost averaging with broker fee modeling<br> → Allocation wizard — conservative to aggressive, global or Danish C25<br> No signup. No paywall on the calculators.<br> Want a deeper dive? I deliver human-reviewed 3-stock scorecards (PDF, 24h, $99 USD).<br> Educational research — not financial advice.<br> <a href="https://quantvest26.netlify.app/" rel="noopener noreferrer"></a></p> ai startup beginners