Semion S.

Highly skilled AI/Software Engineer with a background in Data Engineering and Business Analysis. Still better than AI at software engineering, UX and coding, and I know exactly where to let AI do the work. The result: you pay for judgment and accountability, and get AI-speed implementation. Preferred projects: - Complex integration projects: APIs, data flows and AI services connected into one working system - AI-powered BI apps, full stack: from data pipeline to LLM analytics to the user interface - Business and regulatory reporting: xBRL, US IRS MeF, CRS/DAC7, e-invoicing and other regulatory XML reporting - Business apps: accounting, invoicing, planning and other enterprise workflows - Any small project in line with my skills Skills: - Business: accounting, financial reporting, invoicing, planning - Cloud: Google Cloud, AWS, Azure - Languages: Python, C#, C++, JavaScript, PHP, SQL - AI: OpenAI, Anthropic, Gemini APIs; LLM data processing and analytics - APIs: REST, GraphQL, SOAP, OData, OAuth, JSON/XML, cryptographic methods - Data: MS SQL Server, PostgreSQL, Google BigQuery, data transformation - XML: XSLT, XSD, XPath; Office Open XML, XSL-FO (PDF), InDesign IDML Free Statement of Work before the project starts: tell me what you need, and you get a clear scope, plan and estimate before you commit to anything.