Development and implementation of smart contracts using Solidity.Audit of smart contracts within the closed community of auditors Stronghold https://strongholdsec.ioHere are some notable projects I've been involved in:1. Votersport: A simple token and wallet solution designed to store and pay out bets. https://github.com/luthreek/votersport2. Ludka Smart Contract: A redesigned lottery contract from YOLO with plans to integrate ERC20 support. https://github.com/LudkaGame/Ludka-smart-contract3. PrimeDealFinance Protocol: A protocol built on top of Uniswap version 3, jointly developed by GuideDAO students. https://github.com/PrimeDealFinance/PrimeDeal-Solidity

Information security design for State Information SystemDevelopment and customer approving of project documentation:- Threat model- Intruder model- Terms of Reference - Security design guideInformation protection means chosingParticipation in the development IT architecture disign for State Information SystemExam passing within partnership programsEnsuring safe development (DevSecOps)Conducting security analysis and penetration testing

• Development of information security systems;• Setting up information security tools, cryptographic information security tools;• Certification of informatization objects;• Control of the effectiveness of implemented information protection measures;• Assessment of the impact of the functioning of the environment of cryptographic information protection;• Preparation and implementation of Cisco ASA certification in Russia;• Administration of the information security system of a distributed automated system with a VMware virtualization environment;• Up-to-date maintenance of regulatory and legal documentation (user manuals, accounting logs of information security tools);• Participation in projects as an information security architect.• Conducting an information security audit;• Preparation of technical documentation for the design of information systems;• Preparation of documentation for the company's accreditation as a certification body for automated systems according to information security requirements.

• Development of information security systems.• Configuring information security and cryptographic information security tools, for example: Firewall, PKI, Modern Authentication technologies, Cloud Asset Management, DLP, VPN, Secrets Management, IPS/IDS, WAF, IAM, and SIEM and other products leading vendors;• Certification of informatization objects; • Control of the effectiveness of implemented information protection measures.• Assessment of the impact of the functioning of the environment of cryptographic information protection;• Administration of the information security system of a distributed automated system, with a VMware virtualization environment.