I am creator and maintainer of open source quant framework Aqumen: https://github.com/Aqumen-Tech/aqumenlib

I offer consultancy services and specialize in quant finance and financial software for trading and risk management.

Some examples:

assistance with QuantLib, Numerix, FINCAD, Quantifi and similar product implementations;

trading and derivative pricing tools (expertise in Excel, Python, C++);

risk solutions - market risk, VAR, XVA, credit risk;

regtech - FRTB, Solvency II, etc;

data management and reporting (ESG reports, ETF decomposition analysis)

email: denys@aqumen.io