Oleksii Siniaiev
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RUUKESEN

Senior full-stack engineer

I build production-grade SaaS, Laravel and WordPress systems.

I own backend architecture, billing, infrastructure and frontend delivery for systems that need to stay maintainable after launch.

10+ years Stripe billing AWS/Docker delivery Laravel + WordPress
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Oleksii Siniaiev

Trusted on production systems for

  • Artnet News high-traffic art media platform
  • WebSpellChecker SaaS and commercial platform
  • DHL corporate/product work
  • WGames product engineering

Portfolio

Selected work

Real projects shipped — from content platforms to SaaS products.

All projects →

Engineering capabilities

What I build with

Backend

  • Laravel
  • PHP
  • MySQL
  • Redis
  • REST APIs

Frontend

  • Vue.js
  • React
  • TypeScript
  • Tailwind CSS

Infrastructure

  • AWS
  • Docker
  • GitHub Actions
  • Linux
  • CI/CD

Product & Commerce

  • Stripe
  • WooCommerce
  • Subscriptions
  • Licensing
  • Analytics

Latest

From the blog

Technical articles based on real work: Laravel, architecture, performance, integrations, and practical engineering decisions.

Articles Jun 13, 2026 19 min read

A month with an AI journal: finding patterns in sleep, stress, and workouts

How to analyze an AI journal after the first month: transcription fixes, honest reflection with cited sources, Obsidian dashboards, cost, and privacy.
Articles Jun 13, 2026 24 min read

How I turned an old gaming laptop into an AI wellbeing journal

How an old Xiaomi Mi Gaming Laptop became a home AI server: Hermes Agent, DeepSeek, Telegram, and Obsidian for a daily wellbeing journal. A…
Articles Jun 13, 2026 26 min read

Hermes Agent + DeepSeek on Ubuntu: a complete Telegram AI journal setup

A step-by-step setup for Hermes Agent and DeepSeek on Ubuntu: a locked-down Telegram bot, local faster-whisper, a Markdown vault, private Git, and a daily…

All articles →

About

How I work

I've spent 10+ years building systems that need to stay reliable long after launch. Here's what that looks like in practice.

  1. Own the whole system
  2. Make production boring
  3. Keep code maintainable
More about me →

Work together

Have a production system that needs senior ownership?

Best fit: Laravel/SaaS platforms, complex WordPress systems, billing integrations, performance work, and production debugging.

Email project brief → LinkedIn

Based in Spain · Remote-friendly · EN/RU/UK/ES