Jun 2020 – Feb 2023 · 2 yrs 8 mos

• StealthMail is a pioneering cybersecurity solution that protects business email communications through robust, end-to-end encryption, giving companies exclusive control over their email data. Recognized as a top-priority Microsoft partner, StealthMail secures emails by making them invisible to third parties, including cybercriminals, while ensuring compliance with regulatory standards.
• The platform integrates seamlessly with Microsoft Office 365, Google G Suite, and Microsoft Teams, enhancing security by encrypting each email and attachment individually on the user’s side and storing the content in protected cloud environments or designated storage locations. With StealthMail, encryption keys are generated and stored solely on the user's end, empowering users to decide where their data resides—whether on local servers, in the cloud, or within StealthMail’s secured infrastructure.
• Key Features:
• End-to-End Encryption: True end-to-end encryption with user-controlled encryption keys ensures data privacy and security from inception to storage.
• Secure Dynamic Network Protocol (SDNP): StealthMail employs SDNP, a cutting-edge protocol that creates a "stealth" communication layer, making sensitive data exchanges invisible and inaccessible to unauthorized entities.
• Office 365 and G Suite Encryption: Adds a high-security layer to email communication within Microsoft and Google platforms, protecting against unauthorized access and ensuring compliance.
• Microsoft Teams Encryption: Provides instant, secure sharing of content-sensitive messages, files, and multimedia within Teams for secure collaboration.
• Enterprise-Grade Security: Tailored solutions for large organizations to safeguard against cyber threats, prevent data breaches, and meet stringent compliance requirements.
• StealthMail represents a category-leading solution in stealth data protection, offering enterprises unmatched control, security, and compliance for their critical communications.

Apr 2018 – Jun 2020 · 2 yrs 2 mos

• StealthTalk (by StealthMail) is a secure messaging platform built for professionals and privacy-focused users, designed to meet the stringent security demands of business and sensitive communications. Utilizing the patented Secure Dynamic Network Protocol (SDNP), originally developed for mission-critical communications in military and emergency services, StealthTalk merges professional-grade security with user-friendly functionality.
• StealthTalk is tailored for users who require absolute privacy, offering robust protection with features like true end-to-end encryption and zero-knowledge proof. This platform ensures that sensitive communications remain fully private, with data encryption and decryption performed entirely on the user’s device, independent of central servers.
• Key Features:
• Secure Voice Calls: High-quality voice calls secured via TETRA over IP, maintaining reliability even on low-bandwidth connections.
• End-to-End Encrypted Messaging: True end-to-end encryption, with encryption keys managed on the user’s device, preventing unauthorized access to message content.
• Self-Destruct Messages: Time-sensitive messages that automatically delete, supporting confidential communication.
• Stealth Mode: Password-protected environment for high-security calls and messages, requiring user authentication to access sensitive content.
• Privacy & Security:
• True End-to-End Encryption: All communications are protected with SDNP-based encryption using ECC 512, AES 256, and SHA-3 512 for unparalleled security.
• Zero-Knowledge Proof: StealthTalk’s zero-knowledge architecture ensures no user data is collected, stored, or accessible on StealthTalk’s servers.
• StealthTalk is built to bridge the gap between consumer and enterprise security solutions, leveraging professional telecommunications technology to provide a trusted, secure platform for today’s privacy-conscious users.

Jan 2006 – Feb 2025 · 19 yrs 1 mo

• Listat is recognized for its expertise in developing custom software for the professional telecommunication sector, with an emphasis on flexibility, scalability, and ease of use, all while keeping operational costs low.
• The team at Listat consists of top-tier developers, specializing in mission-critical, time-critical, embedded, and command & control systems, with a broad range of applications across security, transportation, and enterprise communication. The primary goal is to leverage innovative technologies in software development to deliver professional-grade solutions that meet the unique needs of clients worldwide.
• Project Highlights:
• Extensive development experience with TETRA infrastructures such as DAMM, TetraFlex, Rohde&Schwarz ACCESSNET-T, and EADS, supporting public safety and emergency services with robust communication solutions.
• Expertise in professional mobile radios (PMR) systems from industry leaders like Sepura, Motorola, and EADS, ensuring reliable and secure communications for specialized industries.
• Integration and support of network equipment from Digium, Sangoma, and Cisco, with applications in large-scale systems.
• Development on platforms such as Asterisk and Cisco, bringing adaptability and integration capabilities to mission-critical communication networks.
• Vision
• Listat is committed to transforming perceptions of professional solutions, traditionally viewed as complex, rigid, and costly. The vision centers on an IT world powered by adaptable, scalable, and intuitive solutions, enabling organizations to deploy high-quality tools with ease.
• Specialization
• With deep expertise in telecommunication and a track record of successful global implementations, Listat specializes in mission-critical, time-sensitive, and secure systems, particularly for industries requiring robust command & control solutions. This experience ensures that every solution aligns with Listat’s vision of creating high-quality, reliable, and scalable products.

Jun 2005 – Nov 2005 · 5 mos

• Manage IT business applications projects and developments. Develop and implement new and maintain existing business applications and/or interfaces to them in order to ensure that business functions of the organization can meet their established business objectives in a timely and accurate manner. Search for the best practices and solutions implemented in order to cover region customers needs.

Dec 2003 – Sep 2005 · 1 yr 9 mos

• As Lead Software Developer, I led the development of telecommunications solutions, focusing on optimizing systems for reliability, performance, and user experience. I worked extensively with C++ across various platforms, leveraging gcc, MSVC++ (Windows API, WinSocks), and Borland C++ Builder (VCL, BDE). My responsibilities included database integration with MySQL and MSSQL, developing responsive web interfaces with HTML and JavaScript (AJAX), and backend scripting in PHP. I collaborated closely with cross-functional teams to deliver robust, scalable software solutions across FreeBSD, Linux, and Windows environments.
• Technologies Used:
• Programming Languages: C/C++ (gcc, MSVC++, Borland C++ Builder)
• Operating Systems: FreeBSD, Linux, Windows
• Databases: MySQL, MSSQL
• Web Technologies: HTML (HTML4, DHTML), JavaScript (AJAX), PHP (PHP 3/4/5)

Jun 2002 – Dec 2003 · 1 yr 6 mos

• As a Software Developer at ALITEL LTD, I contributed to the development of a VoIP billing system, focusing on efficient data management and billing accuracy within telecommunications networks. My work involved building backend solutions in C++ (gcc), integrating MySQL for database management, and utilizing Radius RLM for user authentication and authorization. I also developed CGI scripts to streamline web-based interfaces for the system, enhancing usability and operational efficiency.
• Technologies Used:
• C++ (gcc)
• MySQL
• Radius RLM
• CGI