Evgenii Zinner

Full-Stack & AI Engineer | Self-employed (Jan 2023 - Present)

• Authored and published a comprehensive course on practical AI tools and applications for the Russian-speaking audience on the Stepik learning platform.

• Developed and deployed a mobile-first CRM (xemaycrm.io.vn) using Flutter and Firebase, enabling rental shops to track vehicle maintenance, reduce paperwork, and automate monthly tax reports.

• Engineered a scalable data-extraction tool by reverse-engineering an undocumented API (Postman, DevTools); saved an estimated $750 on an initial 15,000-address batch, with the tool designed to process a 100,000+ address pipeline.

• Developed custom WordPress plugins, including a complex ROI calculator and a Telegram API integration to automatically notify subscribers of new posts.

• Engineered a Python-based testing tool for TIA Portal that used Google Sheets as a UI, simplifying test case creation, reducing errors, and significantly decreasing test suite development time.

• Coached a team member on Siemens TIA Portal usage and automated test implementation.

Automation Engineer | Moscow Thermal Automation Plant (Nov 2017 - Dec 2019)

• Saved significant downtime and shipping costs by reverse-engineering a module's firmware; created a tool to reprogram faulty units in 2 minutes vs. the multi-day factory return process.

• Diagnosed and resolved a critical, long-standing network bug (UDP vs. TCP) using Wireshark and legacy code analyze, restoring command-and-control functionality.

• Identified and fixed a database logging flaw where rounded read values (vs. full write data) were causing rapid, uncontrolled database growth.

• Engineered and implemented custom controller and HMI algorithms tailored to specific client requirements, providing new monitoring and production capabilities.

• Managed all internal office IT systems, hardware, and infrastructure.

Laboratory Research Assistant | SI Vavilov State Optical Institute (Aug 2022 - Nov 2022)

• Modified and calibrated laboratory equipment to enhance testing efficiency and data accuracy.

• Performed thorough diagnostics and repairs on complex malfunctioning instrumentation.

Telecommunications Engineer | Rostelecom / VTK Vostok (Aug 2012 - Sep 2017)

• Installed, configured, and maintained servers, networks (VOIP, ATE), and workstations for enterprise-level operations.

• Performed commissioning, repair, and maintenance on all telecommunications equipment.

• Maintained all technical documentation for head-end equipment and network infrastructure.

Branch Manager | Moscow Thermal Automation Plant (Dec 2019 - Dec 2020)

• Led a team of 2 managers and directed all branch operations, holding full responsibility for an annual revenue stream valued at over $425,000 USD (~27.5M RUB).

• Achieved 17.3% revenue growth during the pandemic by capitalizing on market disruption, successfully migrating new clients from European (Siemens, Danfoss, etc.) to Russian-made controllers.

• Negotiated and renegotiated high-value contracts, successfully closing deals and resolving disputes.

Small Business Owner | Felicity (Feb 2021 - Sep 2022)

• Managed all operations of a coworking space, including development of the business strategy, financial planning, and market research.

• Implemented a 24/7 online booking CRM, reducing sales costs and eliminating human-factor overbooking errors.

• Recruited, trained, and managed a team of one full-time manager and two part-time contractors.

Projects