08/26/2026 updated


100 % available
Senior PHP Backend Developer
Istanbul, Turkey
Worldwide
Associate Degree, Electronics TechnologyPHPCodeIgniterE-CommerceElasticsearchPython (Programming Language)LaravelPostgreSQLMySQLModel View Controller (MVC)Performance EngineeringRedisNext.jsSoapUISymfonyTypeScript
PHP & Laravel Backend Development
Over 13 years of professional experience in end-to-end backend development using PHP and Laravel, including OOP, MVC, SOLID principles, legacy modernization, and production support for large-scale e-commerce and B2B/C2C marketplace applications.
REST & SOAP API Integration
Extensive expertise in designing and implementing REST and SOAP integration layers for suppliers, marketplaces, payment providers, and shipping services, with management of JSON/XML data flows.
Database Design & Performance Optimization
Strong proficiency in MySQL, PostgreSQL, MariaDB, Redis, Elasticsearch, and ClickHouse, including data modeling, query optimization, and improving performance and reliability in production workflows.
Infrastructure & DevOps
Hands-on experience with Docker, AWS, Git, GitHub, CI/CD pipelines, RabbitMQ, and NATS JetStream for managing release and production support processes.
Python & FastAPI
Active development of Python/FastAPI-based event-driven services, including real-time market data processing, WebSocket layers, and service-oriented architectures.
TypeScript & Next.js
Development of modern frontend and full-stack applications using TypeScript, Next.js, React, and Prisma, with strict type checking and automated build/test validation workflows.
Testing & Quality Assurance
Utilization of Vitest, Playwright, and ESLint for automated testing, end-to-end smoke tests, and maintaining code quality in production-ready applications.
OpenCart & E-commerce Platforms
Deep experience with OpenCart-based e-commerce platforms, including product, order, customer, inventory, payment, shipping, and custom workflow modules.
Legacy Modernization
Refactoring and migrating legacy PHP/OpenCart and Delphi desktop codebases into maintainable, scalable modern architectures using Laravel and cloud-based solutions.
Over 13 years of professional experience in end-to-end backend development using PHP and Laravel, including OOP, MVC, SOLID principles, legacy modernization, and production support for large-scale e-commerce and B2B/C2C marketplace applications.
REST & SOAP API Integration
Extensive expertise in designing and implementing REST and SOAP integration layers for suppliers, marketplaces, payment providers, and shipping services, with management of JSON/XML data flows.
Database Design & Performance Optimization
Strong proficiency in MySQL, PostgreSQL, MariaDB, Redis, Elasticsearch, and ClickHouse, including data modeling, query optimization, and improving performance and reliability in production workflows.
Infrastructure & DevOps
Hands-on experience with Docker, AWS, Git, GitHub, CI/CD pipelines, RabbitMQ, and NATS JetStream for managing release and production support processes.
Python & FastAPI
Active development of Python/FastAPI-based event-driven services, including real-time market data processing, WebSocket layers, and service-oriented architectures.
TypeScript & Next.js
Development of modern frontend and full-stack applications using TypeScript, Next.js, React, and Prisma, with strict type checking and automated build/test validation workflows.
Testing & Quality Assurance
Utilization of Vitest, Playwright, and ESLint for automated testing, end-to-end smoke tests, and maintaining code quality in production-ready applications.
OpenCart & E-commerce Platforms
Deep experience with OpenCart-based e-commerce platforms, including product, order, customer, inventory, payment, shipping, and custom workflow modules.
Legacy Modernization
Refactoring and migrating legacy PHP/OpenCart and Delphi desktop codebases into maintainable, scalable modern architectures using Laravel and cloud-based solutions.
Experience
Professional experience10+ years
Freelancer since2010
Languages
EnglishFluent
Project history
Enterprise insurance agency operations platform designed to migrate an existing Delphi desktop application to a Laravel-based web architecture. Includes legacy modernization, business-rule parity, agency ID-based data scoping, and compatibility with the existing Polinet schema. Technologies: PHP, Laravel, MySQL/MariaDB, Blade, JavaScript, Bootstrap, Vite.
Custom e-commerce application for silver jewelry sales with modular domain boundaries and production-ready architecture. Includes CI pipeline, Playwright E2E smoke tests, and provider/adapter approach for payments. Technologies: Next.js, React, TypeScript, PostgreSQL, Prisma, Better Auth, Tailwind CSS, Docker, Vitest, Playwright.
Service-oriented platform processing Binance Futures market streams in real time, managing signal analysis, risk controls, and secure testnet execution. Includes durable messaging, idempotency, risk gates, and reconciliation workflows. Technologies: Python, FastAPI, NATS JetStream, Redis, InfluxDB, Docker Compose, WebSocket.