Evgenii Zinner
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Evgenii Zinner

Operations Automation Engineer & Troubleshooter

📱 (+84) 0337702514

📧 ez@ezinner.com

Logistics of Thinking

Pragmatic Strategy

I build tools that give business owners their time back. My core drive is pragmatic problem-solving: I apply a "MacGyver" approach to find and fix inefficiencies by improving the tools and systems you already have. I focus on high-ROI automation, targeting the manual, repetitive tasks that keep you trapped in spreadsheets, while avoiding the trap of expensive over-engineering. With a background in both technical execution and business leadership, I bridge the gap between engineering and real-world results.

Core Proficiencies

Flutter Dart PHP MySQL Firebase Firestore Realtime DB WordPress Grav CMS HTML SCSS CSS JS TS API Postman DevTools AI Integration Python Linux Windows CI/CD GitHub Actions Shell MS SQL C++ Wireshark Cloudflare DNS Management BPMN Advanced Excel Google Sheets Process Re-engineering

Work History

Full-Stack & AI Engineer

Self-employed [ Jan 2023 - Present ]
  • Designed a complex appraisal software for an appraising company, based on a comprehensive business process analysis and requirements.
  • Authored and published a 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 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 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 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 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.

Operational Highlights

Medical Practice Automation Suite

Engineered a multi-stage automation solution for a medical doctor, saving an estimated 5+ hours of daily paperwork.

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ez_flutter_widgets

A pack of lightweight, defensive widgets published on pub.dev to simplify the creation of Flutter applications.

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EZ_Image_Manipulator

Desktop application built with C++ to open, crop, resize, and save WebP image files. Solves image optimization for web editors.

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Xe Máy CRM

A mobile-first solution for rental shop owners to manage their fleet and keep track of vehicles. Built with Flutter and Firebase.

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LEARN MORE

Academic Formation

Master of Engineering (MEng)

Angarsk State Technical Academy (AGTA)
Computer Systems Networking and Telecommunications[ 2006 - 2011 ]

Deploy This Expertise?

Whether you need a legacy system reverse-engineered or a greenfield infrastructure built from zero, let's talk.