Portfolio
Explorer
Alexander's Copilot
open
AI
JSXhome.tsx
alexander-martinezsrcexperience.ts
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// experience.ts — where I've worked & built

interface WorkHistory {company: string;impact: string[] }

CBTis N°145

Applied Technical Developer
3 months
San Juan del Río, Querétaro, MX
  • Applied Full-Stack career skills to develop an accounting education application
  • Built the complete product: UI, business logic, database, and deployment
  • Collaborated with teachers and staff to gather requirements and iterate on feedback
  • Delivered a working product used by students in the programming curriculum
JavaScriptNode.jsPostgreSQLHTML/CSSFull-Stack

Firecrawl / Open Lovable

Open Source Contributor
2025
Remote (PR Merged)
  • Implemented full dark mode support: ThemeToggle component + CSS theme variables
  • Applied per-component dark styling: file explorer, style picker, loading spinner
  • Fixed Next.js hydration mismatch with "mounted" state guard pattern
  • Added the "icon" size variant to the shared UI Button component system
  • PR #54 merged to main: github.com/firecrawl/open-lovable/pull/54
ReactNext.jsTailwind CSSCSS VariablesTypeScript

PyTube Downloader

Open Source Contributor
2026
Remote (PR #98 Merged)
  • Migrated hardcoded Windows paths to pathlib.Path for cross-platform compatibility (Windows/Linux/macOS)
  • Set up GitHub Actions CI/CD pipeline: ruff linting & formatting, mypy type checking, pytest
  • Replaced print() calls with structured logging (rotating file handlers, configurable levels)
  • Introduced pre-commit hooks (ruff-format, ruff) and refactored event-driven threading with queue.Queue
  • Fixed cross-platform issues: os.startfile → GuiUtils.open_file, dynamic Downloads folder detection
  • Made Windows-only deps optional (hPyT, win11toast), added .editorconfig and .env.example
  • 31 commits across 70+ files — PR #98 merged to dev: github.com/thisal-d/pytube-downloader/pull/98
PythonGitHub ActionsRuffMypyPytestPre-commitTkinterpathlib

Independent Projects

Full-Stack Developer (Self-Directed)
2023 – Present
Remote
  • Shipped 15+ projects across game engines, e-commerce, streaming, and PWAs
  • ZLostTK Game Hub: 4-renderer browser game engine with P2P multiplayer (10+ games)
  • Anxershop: B2C streaming subscription platform with load times ≤ 6s
  • AnxerStudios: Docker-based streaming PWA with 10+ platform integrations
  • Kordia: Offline-first music PWA using yt-dlp and service workers
  • Managed full dev cycle: design → code → database → deployment
ReactTypeScriptNode.jsSupabaseDockerPWAWebSockets
// Open to new freelance and full-time opportunities.anxerdev@gmail.com
Ln 1, Col 1UTF-8TypeScript06:21 p.m.