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Andrii.Che
Andrii.Che
Developer
Senior Full-stack PHP Developer based in Opole, Poland. Specialize in building scalable SaaS architectures with 7+ years of professional expertise.
PHP
7+
Years Experience
Professional Summary
Specialized in backend architecture using PHP (8+), Laravel, and RESTful APIs with a strong focus on clean architecture, SOLID principles, and long-term maintainability.
Experienced in building subscription-based systems, complex billing logic, and secure payment integrations (Stripe, PayPal) including webhooks, metered billing, and add-on models.
Proven ability to optimize application performance, refactor legacy systems, and design database structures for scalability and reliability. Skilled in Docker-based development environments and modern full-stack workflows with React, Vue.js, and Livewire.
Adhering to SOLID, DRY, and KISS principles is at the core of my development philosophy.
About
Architecture
& Stability
I build Resilient Systems that bridge complex business logic with high-performance code. My focus is on creating Scalable SaaS Architectures that are as maintainable as they are powerful.
Expertise includes subscription lifecycles, complex billing logic, and secure payment integrations (Stripe/PayPal) with full webhook & metered billing support.
SOLID Framework
Docker-Ready
Database Scaling
Principles
SOLID
DRY
KISS
Ready for Tasks
Available for Senior Roles
Laravel
Base Framework
Stripe
Payments Expert
100%
Architecture
Fidelity / SOLID Focus
Enterprise
Scalability &
High Load Focus
Inventory
Technical Skills
A battle-tested ecosystem of modern tools and architectural patterns built for scale, performance, and long-term reliability.
System.status: Fully Optimized
Environment: Production_Ready
Last_Update: 2026.Q2
CORE
Backend Excellence
PHP
8.3
Laravel
Yii2
MySQL
/ PostgreSQL
Design
Patterns
API
Architecture
SOLID
/ KISS
Redis
/ Queues
UI/UX
Interactive Layer
React
/ Next.js
TypeScript
Vue
3 / Vite
Inertia.js
Tailwind
CSS
Livewire
/ Alpine
State
Mgmt
OPS
System Reliability
Docker
Architecture
CI/CD
(Actions)
AWS
/ Digital Ocean
PHPUnit
/ Pest
Static
Analysis
Linux
Mastery
Sentry
/ Logging
SPEC
SaaS Specialists
Stripe
Expert
Security
Audit
Filament
Panels
Payment
Flows
Legacy
Modernizing
Git
Flow / Agile
Career Timeline
2022
Present
/ Active
PHP Developer
DevsMonkeys
SaaS
Billing
API
Architectural Impact
- Engineered scalable SaaS multi-tenant architectures for subscription management.
- Implemented Stripe & Laravel Cashier ecosystem for mission-critical billing.
- Designed high-throughput RESTful APIs ensuring security & reliability.
Technical Operations
- Optimized MySQL query performance for extreme high-load scenarios.
- Managed Docker-based CI/CD workflows and asynchronous job processing.
2020
Full-Stack
Software Engineer
SOTA Retail Network
Led the greenfield e-commerce development using Yii2. Architected real-time high-load synchronization between legacy ERP systems (1C) and modern retail storefronts, optimizing inventory flow for thousands of SKUs.
2012
Freelance
PHP Specialist
Global / Upwork
A decade of delivering high-quality web solutions for international clients. Focused on modernizing legacy systems, PHP refactoring, and implementing modern frontend stacks (Tailwind & Vue) on enterprise-grade projects.
Ready to
Collaborate?
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