Selected work
How I killed my own backtest+6.42% → +0.68%
A +6.42% backtest return that came entirely from data leakage. An interactive measurement, the mechanism of the bug, and the rules that have guarded the system since.bencearc.com/en/case/aibet-leakageWarehouse & Equipment Request Systemlive, in development
Replaced equipment requests handled via Teams messages and manual Excel: requests, issuing, returns, receiving and inventory in one Power Apps system, traceable down to serial number. Live in production; the stock overview is still in development.Vigo Bausystem Websitelive
Website for my father's loft drywall company: professional content, a gallery, and a GDPR-compliant contact form with reCAPTCHA, legal notice and privacy policy.Experience
2026 –
Logistics + internal toolingPayments/fintech company. Alongside the logistics role I build an internal Power Platform system (Power Apps, Power Automate, SharePoint).
2025
Software tester (QA)Six months of manual testing, bug tracking, English documentation and technical support.
2023 – 2024
Full-stack developer programme · CodecoolJavaScript/TypeScript, React, C#/.NET, SQL, team-built projects.
Education
2019
Transportation engineering studies · Széchenyi István University, GyőrLogistics and transport systems; AutoCAD, OpenTrack.