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xelvhk/README.md

Hi, I'm Lex

Language: English | Русский

coding gif

Python / AI Product Engineer | Local-first systems | FastAPI | Automation

PortfolioRepositoriesTelegramLeetCode


I build privacy-conscious AI products, deterministic automation systems, and reliable Python backends. My repositories emphasize runnable setup, explicit service boundaries, local data ownership, and evidence-backed engineering claims.

Featured Work

Project What it shows Stack
vasya_ai Local-first desktop assistant with voice and text workflows, tasks, calendar, memory, integrations, and a protected local API Python, FastAPI, SQLite, Ollama, voice UX
college_auto_schedule College scheduling system with guarded Excel imports, versioned local data, deterministic readiness checks, and CP-SAT generation Python, FastAPI, SQLite, OR-Tools, Excel
taskflow_orchestrator Durable asynchronous jobs with idempotency, retries, dead-letter handling, persisted state, and operational metrics FastAPI, PostgreSQL, Redis, Celery, Docker
career-radar Evidence-first career intelligence with deterministic vacancy matching and a private local Opportunity Inbox Python, SQLite, local web UI, privacy boundaries
aboutme Bilingual portfolio with GitHub project sync, a Markdown blog pipeline, project previews, and GitHub Pages delivery React, GitHub Pages

What I Build

  • Local-first AI assistants for voice, tasks, notes, memory, and daily automation
  • FastAPI services with typed contracts, persistent state, background jobs, and operational checks
  • Deterministic EdTech and workflow automation built around validated source data
  • Local browser interfaces that make complex technical workflows inspectable and usable

Engineering Principles

  • Keep private data local and make every external integration explicit.
  • Separate product claims from plans, prototypes, and private evidence.
  • Prefer narrow end-to-end increments with focused regression tests.
  • Document setup, architecture, limitations, and verification so another engineer can inspect the result.

Verified Releases

  • Released aboutme v0.1.0: macOS-style portfolio, GitHub project sync, Markdown blog, RU/EN content.
  • Released vasya_ai v0.6.0: current tagged milestone for the local-first assistant.
  • Released tajnyj_ded_bot v0.1.0: first documented Telegram bot release.

Current Focus

  • Hardening local-first assistants and their private-data boundaries
  • Advancing deterministic scheduling, career intelligence, and workflow automation
  • Improving reproducible setup, CI gates, release evidence, and developer documentation across the portfolio

Open To

  • Python backend, AI automation, and product engineering roles
  • Freelance MVPs, Telegram bots, internal automation, and AI workflow tools
  • Collaborations around local-first assistants and privacy-conscious automation

Core Stack

Python 3.11 or newer FastAPI services Focus: local-first AI

Pinned Loading

  1. aboutme aboutme Public

    Developer portfolio with auto-synced GitHub projects, bilingual content, and blog pages

    JavaScript 1

  2. vasya_ai vasya_ai Public

    Local-first desktop AI assistant for voice tasks, calendar and daily automation

    Python 2

  3. taskflow_orchestrator taskflow_orchestrator Public

    Backend-heavy task orchestration API with FastAPI, Celery, PostgreSQL, Redis, and Docker

    Python

  4. tajnyj_ded_bot tajnyj_ded_bot Public

    Telegram Secret Santa bot for managing participants, random matching, and gift exchange flow.

    Python

  5. career-radar career-radar Public

    Evidence-first local career intelligence and explainable vacancy matching.

    Python

  6. college_auto_schedule college_auto_schedule Public

    Local college schedule automation system for groups, teachers, rooms, and constraints.

    Python