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zeter1/README.md

Dmitry Kolesnichenko

Python Developer · Windows Desktop Apps · Automation · AI-assisted Development

I build practical Windows applications and automation tools in Python, with a focus on reliability, diagnostics, safe data handling and long-running workflows.

Core stack: Python · WinAPI · Tkinter · FFmpeg/FFprobe · SQLite · pywebview · JavaScript · Git · PyInstaller

Featured projects

Project What it demonstrates
Screen Recorder Pro FFmpeg, Desktop Duplication, NVENC, audio capture, native hotkeys, subprocess lifecycle, modular architecture and diagnostics
BSOD Investigator Windows diagnostics, crash dumps, WinDbg/CDB, Event Log correlation, driver analysis, SQLite history and automated self-tests
VoiceFlow Offline speech-to-text with faster-whisper, CUDA/CPU execution, realtime text insertion, global hotkeys and background operation
Video Translator Pro Whisper, TTS, FFmpeg media pipelines, checkpoints, recovery, bounded retries and long-running job reliability
ZeTer OS Python + JavaScript desktop architecture, pywebview native bridge, local-first persistence, backups and automated structural checks
Vacancy Parser Pro Networking, multi-source parsing, filtering, deduplication, Excel export, fault isolation and regression tests

More published projects

  • Universal Video Downloader — yt-dlp/FFmpeg downloader with VPN/proxy-aware retries, validation, watchdogs and diagnostic logging.
  • Text to MP3 for Windows — Windows SAPI text-to-speech and MP3 conversion with tabs, global hotkeys, recovery and persistent workspace state.
  • Windows PC Locker — native Windows session locking with controlled sleep prevention, unlock detection and compact diagnostics.

Engineering focus

  • Root-cause debugging instead of masking symptoms.
  • Reliable long-running operations with timeouts, bounded retries and correct process cleanup.
  • Safe persistence, backups, recovery and protection of user data.
  • Structured diagnostics that make real failures easier to reproduce and analyze.
  • AI-assisted development with ChatGPT/Codex, followed by diff review, automated checks and manual verification where required.

Technologies

  • Desktop / Windows: Tkinter, WinAPI, COM/SAPI, global hotkeys, autostart, system integration
  • Multimedia: FFmpeg, FFprobe, yt-dlp, Whisper, faster-whisper, Edge TTS
  • Data / automation: SQLite, JSON, pandas, openpyxl, requests, BeautifulSoup
  • Frontend: pywebview, HTML, CSS, JavaScript
  • Engineering: Git, GitHub Actions, PyInstaller, logging, testing, refactoring, recovery-oriented design

Background

I have built more than 20 personal software projects, primarily Python applications and Windows utilities, including file/archive automation, multimedia tools, speech utilities, system diagnostics and process/network monitoring.

Currently looking for

I am interested in Junior Python Developer, Python Automation Developer, internship and project-based opportunities involving real applications, automation, Windows tooling and existing Python codebases.

Contact

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  1. zeter1 zeter1 Public

    Python Developer | Windows Apps | Automation | AI-assisted Development

  2. ZeTer-OS ZeTer-OS Public

    Hybrid desktop productivity app built with Python, pywebview, HTML, CSS and JavaScript, with notes, tasks, backups and data export

    JavaScript

  3. Screen-Recorder-Pro Screen-Recorder-Pro Public

    Windows screen recorder and screenshot tool built with Python and FFmpeg, with global hotkeys, audio capture, NVENC and diagnostics.

    Python

  4. Vacancy-Parser-Pro Vacancy-Parser-Pro Public

    Windows vacancy aggregator built with Python and Tkinter, with multi-source search, filters, deduplication, Excel export and diagnostics.

    Python

  5. Text-to-MP3-Windows Text-to-MP3-Windows Public

    Windows text-to-speech and MP3 converter built with Python, Microsoft SAPI and FFmpeg, with tabs, hotkeys, recovery and diagnostics.

    Python

  6. Video-Translator-Pro Video-Translator-Pro Public

    Windows video translator with Whisper, TTS, FFmpeg, pause synchronization and recovery.

    Python