Konstantin T.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

BI consultant by trade, analytics engineer by necessity, strategist by education, statistician by questionable life choices. ⟡ Certified Microsoft Fabric & Power BI specialist (DP-600, PL-300), turning spreadsheets, accounting and sales data into trusted reports. Scaled to your needs, from a single dashboard to complex Fabric implementations, all built on a semantic layer designed around how your business works. ⟡ Power BI repair and optimisation at any scale, from source to dashboard: reconciling figures that don't match, resolving failed refreshes, speeding up slow reports, and taking over solutions left behind by previous developers. ⟡ KPIs and reporting frameworks designed around the decisions that drive your business, using Evidence-Based Management and built in close collaboration with your team. Statistical methods, including regression, clustering, and forecasting, are implemented leveraging Python's ecosystem whenever required. ⟡ Every solution comes with training and handover, so your team can run and extend it independently. If you're looking for a results-focused approach to business intelligence and data analytics, I'm available to discuss your requirements and propose a clear execution plan.