Evgenii Zinner

Operations Automation Engineer & Troubleshooter

Summary

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.

Skills

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

Experience

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.

Projects

EZ QR Generator

An edge-native, multilingual QR code generator built with Hono, HTMX, and UnoCSS running on Cloudflare Workers. VISIT WEBSITE

Medical Practice Automation Suite

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

ez_flutter_widgets

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

EZ_Image_Manipulator

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

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. LEARN MORE

Education

Master of Engineering (MEng) in Computer Systems Networking and Telecommunications

Angarsk State Technical Academy (AGTA) — (2006 - 2011)