$ cat ./stack/index.md
Stack Domains
A structured overview of technologies and business domains — what I work with, where I have domain expertise, and how the two connect.
// Business Domains Problem Areas
Domains where I have designed, implemented, and operated software — with deep understanding of business requirements, not just the technology layer.
Capital Markets Trading
Expert15+ years direct experience with trading systems, risk platforms, and market-data infrastructure. Deep understanding of the full trade lifecycle from FO pricing through MO risk to BO settlement and reporting.
Credit Fixed Income
ExpertPricing, exposure management, and NAV calculation for credit portfolios. Technical implementation of credit models and Sophis Value integrations over many years at XAIA AG.
Commodities Energy
ExpertMulti-commodity forward curve modelling (oil, gas, power, metals, agri), volatility surfaces for commodity options, and risk calculation for energy trading desks.
FX · IR · Exotics
AdvancedPricing models for FX, interest rate products, and exotic derivatives. Model validation and regression testing at HVB/UniCredit over eight years.
Fund Management
AdvancedNAV calculation, risk reporting, and workflow systems for investment funds. Experience with both credit funds and commodity funds.
Cloud Market Data Infrastructure
AdvancedDesign and build of modern cloud-native systems: market-data engines, pricing microservices, asynchronous risk pipelines, and trading dashboards using a current Python stack.
Document Management OCR
ProficientOCR digitisation and DMS solutions for EU institutions (European Commission, European Parliament, CJEU). Workflow automation for large-scale document processing systems.
Enterprise Groupware
ProficientGroupware architecture, enterprise communication, workflow automation, and early e-commerce systems built on Lotus Notes/Domino.
// Tech Stack
Technologies by category — with an honest assessment of current proficiency. Dots indicate: daily use, regular use, specialised domain, or historical.
Programming Languages
Frameworks Libraries
Databases Storage
Trading Systems
Infra / DevOps
Concurrency Protocols
// Domain × Technology
Which technologies were used in which business domains — at a glance.
| Domain | Python | C# | C++ | Java | F# | Sophis | QL | ENDUR | MUREX | BBG |
|---|---|---|---|---|---|---|---|---|---|---|
| Capital Markets | ● | ● | ● | ● | ● | ● | ● | · | ● | ● |
| Credit Fixed Income | · | ● | · | · | · | ● | · | · | · | ◐ |
| Commodities Energy | · | ● | ● | · | ● | ● | · | ● | · | ● |
| FX / IR / Exotics | · | ◐ | ● | ● | ● | ● | ● | · | ● | ● |
| Fund Management | ◐ | ● | · | · | · | ● | · | · | · | ● |
| Cloud Infrastructure | ● | · | · | · | · | · | · | · | · | · |
| Document Mgmt | · | · | ◐ | ● | · | · | · | · | · | · |
● Used ◐ Partial · Not in this domain · QL = QuantLib · BBG = Bloomberg API