You will get PHP Developer for custom Laravel and API solutions with React experience
Project details
You will get an experienced PHP Developer who specializes in building, upgrading, and maintaining modern web applications using PHP, Laravel, and Symfony. I help businesses upgrade legacy systems, including Laravel and PHP upgrades, improve performance, and design clean, scalable backend architectures.
I work with Custom PHP, Database Architecture and Database Design, and build secure RESTful APIs integrated with MySQL, PostgreSQL, MongoDB, and other databases. My backend expertise is combined with strong API integration, Docker-based environments, and cloud solutions using Amazon Web Services.
I also work with JavaScript, React, Vue.js, Redux, HTML, and CSS to deliver complete web applications and dashboards. I have experience maintaining and developing SaaS platforms, implementing data scraping and automation systems, and supporting long-term projects that require stable architecture and ongoing improvements.
Whether you need a Laravel developer for SaaS maintenance, a remote backend PHP developer, or a senior full-stack developer for a long-term collaboration, I focus on clean code, scalable solutions, and reliable delivery that supports real business goals.
I work with Custom PHP, Database Architecture and Database Design, and build secure RESTful APIs integrated with MySQL, PostgreSQL, MongoDB, and other databases. My backend expertise is combined with strong API integration, Docker-based environments, and cloud solutions using Amazon Web Services.
I also work with JavaScript, React, Vue.js, Redux, HTML, and CSS to deliver complete web applications and dashboards. I have experience maintaining and developing SaaS platforms, implementing data scraping and automation systems, and supporting long-term projects that require stable architecture and ongoing improvements.
Whether you need a Laravel developer for SaaS maintenance, a remote backend PHP developer, or a senior full-stack developer for a long-term collaboration, I focus on clean code, scalable solutions, and reliable delivery that supports real business goals.
Programming Languages
PHP, HTML & CSS, JavaScriptCoding Expertise
Cross Browser & Device Compatibility, PSD to HTML, Performance OptimizationWhat's included
| Service Tiers |
Starter
$250
|
Standard
$600
|
Advanced
$1,200
|
|---|---|---|---|
| Delivery Time | 3 days | 7 days | 14 days |
Number of Revisions | 1 | 1 | 2 |
Number of Pages | 1 | 3 | 5 |
Design Customization | |||
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code |
About Kostyantyn
PHP Developer | Laravel | Vue.js | React | SaaS | API | Docker | MySQL
Kharkiv, Ukraine - 5:07 am local time
I specialize in PHP, Laravel, Symfony, modern JavaScript frameworks (React.js, Vue.js), and SaaS platform development, delivering reliable, secure, and maintainable solutions for long-term business growth.
Over the course of my career, I have:
✅ 8+ years of hands-on backend development
✅ 10+ large commercial projects delivered
✅ Worked with 15+ clients
✅ Collaborated with teams and businesses from 7+ countries (Europe, UK, USA)
🔹 Core Technologies and Experience
✅ Backend and Architecture
PHP - 8 years
Laravel - 3 years, 5 projects
Symfony - 5 years, 8 projects
REST API / API Integrations - 6 years, 9 projects
Microservices Architecture - 4 years, 3 enterprise platforms
Domain-Driven Design (DDD), SOLID - 4 years
✅ Frontend and Full-Stack
JavaScript (ES6+) - 6 years
React.js - 4 years, 4 projects
Vue.js - 3 years, 4 projects
Redux - 2 years
HTML5 / CSS3 - 6 years
✅ Databases and Performance
MySQL - 7 years, 12 projects
PostgreSQL - 3 years
Redis (caching and queues) - 4 years
Database Architecture and Optimization - 6 years
✅ DevOps and Cloud
Docker - 4 years
AWS (EC2, S3, Cloud Services) - 3 years
CI/CD (Jenkins, CircleCI) - 4 years
RabbitMQ - 4 years
Grafana / Monitoring - 3 years
✅ Additional Full-Stack Expertise
SaaS Platforms - 4 years, 3 full ecosystems
Data Scraping and Automation - 3 years
High-Load FinTech Systems - 4 years of production experience
🔹 Recent Full-Stack Projects
✅ Forex4You - High-Load FinTech Trading Platform
Stack: PHP, Symfony, MySQL, Redis, RabbitMQ, Docker, REST API, Microservices, AWS
Duration: 4 years
Responsibilities:
- Migrated monolithic architecture to microservices
- Developed backend services and APIs
- Optimized high-load trading and analytics modules
- Implemented DDD and SOLID principles
- Real-time data synchronization, background jobs, caching
✅ Vacation Rentals SaaS Platform (NDA)
Stack: PHP, Symfony, Docker, AWS, API Integrations (Airbnb, Booking, TripAdvisor)
Duration: 16 months
Responsibilities:
- Full-stack SaaS development (backend, integrations, infrastructure)
- API-driven multi-channel booking synchronization
- Payment processing (Stripe)
- Automation and scalability improvements
✅ AutoGuide - Marketplace for Car Services
Stack: PHP, Symfony, React.js, REST API, MySQL
Duration: 14 months
Responsibilities:
- Full-stack marketplace development
- Backend REST APIs and business logic
- React-based frontend and admin panel
- Third-party integrations (Google, Facebook)
- Custom data scrapers
✅ ACBMMA - Media & Analytics Platform
Stack: Laravel, PHP, MySQL, jQuery, Bootstrap, Scrapers
Duration: 6 months
Responsibilities:
- Full-stack Laravel development
- Data aggregation and scraping
- High-traffic content and analytics features
🔹 Industries and Domains
- FinTech and Trading Systems
- SaaS Platforms - CRM
- Marketplaces and E-commerce
- Media Platforms and Analytics
- API-Driven Systems and Integrations
🔹 What You Get Working With Me
✔️ Clean, scalable, production-ready code
✔️ Strong backend + modern frontend in one profile
✔️ Clear architecture & long-term maintainability
✔️ Experience with enterprise, SaaS, and high-load systems
✔️ Long-term collaboration mindset
Let’s Build a Scalable Product
If you’re looking for a Senior PHP / Laravel Full-Stack Developer who can handle backend architecture, APIs, SaaS platforms, React/Vue frontends, and DevOps basics — I’m ready to help you turn your idea into a stable, scalable, and profitable product.
Steps for completing your project
After purchasing the project, send requirements so Kostyantyn can start the project.
Delivery time starts when Kostyantyn receives requirements from you.
Kostyantyn works on your project following the steps below.
Revisions may occur after the delivery date.
Requirements analysis and planning
Review inputs, clarify scope, and define technical solution.
Development and implementation
Build or update PHP and Laravel backend, APIs, and logic. Or make fronend changes using React