Prague · Banking

• Mapping legacy TIF integrations and designing the migration to a clean REST API — endpoint by endpoint, no big-bang
• Writing REST interface specifications, UML and sequence diagrams for the new integration flows
• Built several MCP tools that automate API documentation work — now used by most analysts in the integration team
• Coordinating development, integration and external vendors across workshops with TIF-connected teams
• The new MCP tool is now implemented into the workflow of the entire analytical department and is being connected to a new project delivered by an external company

Prague · AI / Startup

• Designed the AI pipeline for accounting assistant Billy — OCR, LLM extraction, accounting-rules check, ledger entry
• Implemented Czech accounting logic so LLM outputs match the local legislation
• Built the first user-facing UI for tracking documents in processing
• Optimised LLM prompts — extraction accuracy went from ~60% to ~90%
• Billy now serves several accounting firms in the Czech Republic

Prague · Banking

• Two years on the internal banking app for the branch network — one of the bank's most critical systems
• Designed workflows on the in-house low-code platform UFO Framework (UML-based)
• Specified API integrations across the bank — mortgages, KYC, credit cards, current and savings accounts, investments
• Handled incident management — both technical diagnosis and keeping the room calm
• Learned to read systems nobody wrote in one piece and nobody quite remembers