- Security & DevSecOps: Security Architecture, DevSecOps Implementation (Secure SDLC), Threat Modeling, Vulnerability Auditing, Network & Infrastructure Security.
- Web Development: Full-stack Development, WordPress Localization (Russia Lead), E-commerce Architecture, Social Networks, Game Development.
- Engineering & R&D: Research & Development, GOST (State Standards), Technical Specifications (TZ), Quality Assurance (QA) Processes.
- Banking & Fintech: Middleware Programming, Banking Systems Administration, Blockchain Security, Financial Platforms.
- Languages & Tools: PHP, Python, C/C++, Go, Lua, Assembler, SQL, C4, Docker, Linux Administration.