SaaS
2024SaaS Backend Platform
Multi-tenant Laravel/FilamentPHP/PostgreSQL backend
120+
API Endpoints
Unlimited
Tenants Supported
LaravelFilamentPHPPostgreSQLPHPREST API
Available for new opportunities
MahamudulHasanRubel
Senior Software Engineer
12+ years building SaaS platforms, WordPress products, and React/Next.js applications. Team lead at JoulesLabs. Creator of CodeToolStack.
0+
Years Experience
0+
Projects Delivered
0K+
Users Served
0+
Students Taught
Core Skills
Technologies I work with daily
PHP (OOP)12y
Laravel3y
WordPress12y
React4y
Next.js3y
TypeScript3y
Vue.js4y
REST API Development5y
Tailwind CSS3y
PostgreSQL3y
Featured Projects
Selected work from 12+ years of building
Product
2024CodeToolStack
270+ developer tools built with Next.js — your browser-based dev toolkit
270+
Tools Available
98
Lighthouse Score
Next.jsTypeScriptTailwind CSSReact
SaaS
2023ReviewX v2
WooCommerce reviews SaaS platform with 10,000+ active users
10,000+
Active Users
70+
Countries
2M+
Reviews Collected
LaravelReactWordPressPostgreSQLSaaS
Services
Professional freelance services — web apps, APIs, AI integrations, and more
Featured
Next.js Development
Next.js Full-Stack Web App Development
A fast, SEO-ready full-stack web app built with Next.js 16 — from idea to deployed product, by an engineer who ships to production.
7–30 days3 tiers
From $500
Featured
Laravel Development
Laravel SaaS MVP & Multi-Tenant App Development
Launch your SaaS MVP on Laravel — multi-tenant, subscription-ready, and built by the engineer behind a platform serving 10,000+ paying users.
14–30 days3 tiers
From $600
Featured
Next.js Development
Next.js E-commerce Store Development
Turn your Facebook page or small shop into a real online store — fast, mobile-first, and built to sell. Own your storefront, not just a social page.
7–30 days3 tiers
From $350
Courses
Structured, hands-on series from fundamentals to mastery
FeaturedbeginnerSEO
SEO Foundations: Rank Your First Pages
Learn how search works and get a real site indexed, optimized, and ranking from scratch.
20 lessons
FeaturedintermediateSEO
Intermediate SEO: Technical, Content & Authority
Go beyond the basics with technical SEO, content strategy, internal linking, and link building.
24 lessons
FeaturedadvancedSEO
Advanced SEO: Strategy, Scale & Modern Search
Master enterprise-scale SEO, automation, and ranking in the age of AI search.
25 lessons
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Let's Build Something Great
Open to senior/lead engineering roles, technical consulting, and interesting project collaborations.