Oleksii Siniaiev
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RUUAESEN

Senior full-stack engineer

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

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

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

Worked on production systems for

  • Artnet News high-traffic art media platform
  • WebSpellChecker SaaS and commercial platform
  • DHL Consulting enterprise consulting projects
  • WGames product engineering

Portfolio

Selected work

Real projects shipped — from content platforms to SaaS products.

SAAS PLATFORM

WProofreader SaaS — Subscription Management Platform

Lead Full-Stack Engineer

Full SaaS subscription platform built from scratch: Stripe billing via Laravel Cashier, OAuth sign-in with Jetstream team management, Sanctum API credentials, and PostHog / ApexCharts usage analytics — on Laravel 12, Inertia.js, Vue 3 and Docker.

Designed the Laravel 12 backend and Inertia + Vue 3 (Tailwind) frontend: Cashier/Stripe subscriptions, Socialite OAuth, Jetstream teams, Sanctum API tokens, PostHog analytics, AWS S3, and Docker-based CI/CD.

  • AWS
  • Docker
  • Inertia.js
  • Jetstream
  • Laravel
Read case study → Visit live site
MEDIA PLATFORM

Artnet News — Global Art Media Platform

Full-stack engineering for one of the world's largest art media platforms: 11 custom WordPress plugins, a Leaky Paywall metered subscription system, AMP, Redis caching, Swiftype search, and multi-channel distribution to Apple News and Facebook Instant Articles — on a Composer/Timber-Twig stack.

  • AMP
  • Bedrock
  • Cloudflare
  • Cloudinary
  • Composer
Read case study → Visit live site
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

Services

How I can help your business

Pick the situation closest to yours. Each service is delivered by the senior engineer doing the work, from first diagnosis to launch and support.

WordPress & WooCommerce rescue

Your site is slow, updates break things, or customers cannot complete checkout. I find the real cause, fix the critical path, and leave you with a site your team can safely operate.

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Laravel & SaaS development

Turn a product idea or an unfinished platform into software people can actually use and pay for — including subscriptions, onboarding, dashboards, integrations, and reliable releases.

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AI automation

Reduce repetitive work with focused tools and workflows: process documents, prepare answers, connect systems, or give your team faster access to internal knowledge.

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Legacy modernization

Keep the business running while an old PHP, Laravel, or WordPress system is made safer and easier to change. Improvements are delivered in controlled steps, not as a risky big-bang rewrite.

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Latest

From the blog

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

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.

Discuss a project → [email protected]

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