Daniel

Daniel Marchenko
PHP / Full-stack Developer | CMS, Web Platforms & Integrations
PHP • PHP Frameworks • Linux • Nginx • Cloudflare • Technical SEO • Website Automation

CONTACT INFORMATION LANGUAGES
Location: Ukraine, Odessa English: Fluent
Phone: [відкрити контакти](див. вище в блоці «контактна інформація») Ukrainian / Russian: Native
Email: [відкрити контакти](див. вище в блоці «контактна інформація») Polish: Basic
Telegram: @Danielnbr

PROFESSIONAL PROFILE
PHP / Full-stack Developer with extensive commercial experience building, maintaining and extending web
applications, CMS platforms, e-commerce systems and business-critical websites.

Strong hands-on experience with PHP 5–8+, Laravel, Symfony, MySQL, JavaScript, jQuery, HTML and
CSS. Experienced in working with existing codebases, understanding third-party components, developing
custom functionality and integrating external APIs and services.

Practical experience with multiple CMS and e-commerce platforms, including WordPress, WooCommerce,
Drupal, Joomla, Magento and OpenCart. Worked extensively with template-based application
development, including Smarty and Twig, as well as PHP-based media processing using FFmpeg and
ImageMagick.

Experienced in SQL query optimization, caching, Redis, Docker, Linux server environments, Nginx and
Apache. Have worked on high-traffic web platforms, video platform integrations, CDN infrastructure and
production systems requiring ongoing maintenance and performance improvements.

Comfortable taking ownership of development tasks end-to-end — from understanding requirements and
analyzing existing code to implementation, debugging, optimization, deployment and production support.

TECHNICAL EXPERTISE & CAREER HIGHLIGHTS
Area Technologies & Experience
10+ Years in PHP Development • High-Traffic Web Platforms • 700K+
Experience & Scale
Daily Visitors • 200K+ Emails/Day
PHP 5–8+ • OOP • MVC • SOLID • Design Patterns • Laravel • Symfony •
Backend Development
Yii • CodeIgniter
JavaScript • jQuery • TypeScript • HTML5 • CSS3 • Bootstrap •
Frontend Development
Responsive Web Development
Templating Smarty • Twig • PHP-Based Template Systems
WordPress • WooCommerce • Drupal • Joomla • Magento • OpenCart •
CMS & E-commerce
Custom Plugins & Extensions
Databases & Caching MySQL • MariaDB • PostgreSQL • Redis • Elasticsearch • SQL
Optimization • Database Design

FFmpeg • ImageMagick • PHP-Based Media Processing • Video Platform
Media Processing
Integrations • CDN
REST APIs • SOAP • Webhooks • Third-Party Services • Payment
APIs & Integrations
Gateways • Data Synchronization
Performance & High High-Traffic Applications • Caching • Query Optimization • Performance
Availability Troubleshooting • Server Optimization
Linux • Docker • AWS • Nginx • Apache • Cloudflare • Server Monitoring
Infrastructure & Operations
• Production Support
OpenAI API • LLM Integrations • AI-Assisted Development • Process
Automation & AI
Automation • Telegram Bot API
Requirements Analysis • Solution Design • Architecture • Implementation
Delivery & Ownership
• Debugging • Refactoring • Production Maintenance

PROFESSIONAL EXPERIENCE
__________

PHP Developer / SEO Platform Developer
Independent Product Development | 2025–2026

Landing Automation Platform • Multi-domain Infrastructure • SEO Automation

Overview

Designing and developing a PHP-based platform for centralized management of multiple domains and
large numbers of web properties, with a focus on automation, modular architecture and integration with
external infrastructure services.

Key Contributions

• Developing automated landing-page generation with support for affiliate campaigns and PBN-
oriented requirements, including differentiated page styles, layouts and image sets.
• Building SEO-ready static pages with automated metadata, robots.txt, XML sitemaps, redirects and
other technical SEO elements.
• Implementing live HTML editing and full-page drag-and-drop block editing.
• Developing centralized domain and website management functionality, including domain health and
ranking information.
• Designing the platform architecture in MVC to allow future integration with frameworks and external
services.
• Integrating AI-assisted workflows to automate content creation and repetitive engineering tasks.
• Planning automated deployment through FTP/API and integration with domain registrars and other
infrastructure providers.

Technology:
PHP • MVC • MySQL • JavaScript • Cloudflare API • OpenAI/LLM workflows • AI-assisted Development

PHP Developer / CMS & Integration Engineer
Custom Web Development & CMS Solutions | 2023–2025

Business Applications • CMS Architecture • E-commerce Solutions • API Integrations

Overview

Designed and modernized business applications, CMS platforms and e-commerce systems with a strong
focus on integrations, automation and performance.

Key Contributions

• Designed integration solutions connecting CMS platforms, external services and business systems
through REST APIs and custom backend components.
• Developed custom WordPress plugins, WooCommerce extensions and backend components for
business-specific workflows.
• Automated business processes involving e-commerce, payments and third-party services.
• Redesigned checkout and order-processing workflows and integrated external payment and
business services.
• Performed technical audits and identified opportunities to improve application, database and server
efficiency.
• Led complex CMS migrations and developed tooling to automate data transformation and content
migration.
• Worked directly with business requirements to translate manual or inefficient processes into
reliable technical solutions.

Technology:
PHP • WordPress • WooCommerce • Drupal • Joomla • MySQL • REST APIs • JavaScript • Twig
__________

PHP Backend Developer / Platform Engineer
Telenorma Holding AG | 2020–2023

Enterprise ERP/POS Platform • Retail Automation • Business-Critical Systems

Overview

Worked on an enterprise ERP/POS platform supporting international retail operations, with responsibility for
backend development, system integrations, data processing and production support.

Key Contributions

• Developed backend workflows supporting inventory, warehouse operations, supplier ordering and
sales processing.
• Designed and implemented business logic for pricing, promotions and customer loyalty processes.
• Developed REST API services and integration components connecting internal systems with
external services.
• Optimized complex SQL queries, database structures and backend workflows under high
transaction volumes.
• Analyzed business requirements and translated operational processes into technical solutions.

• Participated in AWS infrastructure, deployment and production troubleshooting.
• Worked with Docker-based development and deployment workflows.
• Improved system stability through debugging, performance analysis and optimization across
application and database layers.
• Supported platform scalability across hundreds of retail locations.

Technology:
PHP 8 • Symfony • Smarty • MySQL • PostgreSQL • REST APIs • AWS • Docker • WebSockets • Linux
__________

PHP Backend Developer / Integration Engineer
Softcraft Infotech Solutions Ltd. | 2018–2020

E-commerce CRM Platform • API Integrations • Business Process Automation

Overview

Worked on a CRM and integration platform that automated e-commerce operations and synchronized data
between online stores, internal systems and external services.

Key Contributions

• Developed backend functionality for CRM modules, order processing and automated business
workflows.
• Designed and implemented integrations between the CRM platform and external e-commerce
systems.
• Built synchronization workflows for products, orders, customers and inventory data.
• Contributed to integration solutions supporting 100+ online stores.
• Integrated third-party APIs and external services to automate business processes and data
exchange.
• Worked with RabbitMQ and asynchronous processing workflows for reliable background
operations.
• Improved data mapping and synchronization processes across heterogeneous systems.
• Optimized application logic and database operations to improve reliability and performance.
• Collaborated with frontend developers on API-driven features and integrations.

Technology:
PHP • Laravel • Eloquent ORM • MySQL • REST APIs • RabbitMQ • WordPress • OpenCart • React.js
__________

PHP Developer / Technical Integrator — Affiliate Platform Engineer
Natural Breakthroughs Research Ltd. | 2012–2018

Affiliate Marketing Platform • Integrations • Traffic Processing • Automation

Overview

Served as the primary technical engineer for an affiliate marketing ecosystem supporting internal media
buying operations and more than 300 affiliate partners. Responsible for platform development, affiliate
tracker integrations, traffic processing, automation, API integrations and production infrastructure.

Key Contributions

• Designed and maintained integrations between affiliate networks, tracking systems, internal
applications and partner APIs.
• Automated data exchange and conversion-processing workflows between multiple external
systems.
• Built internal automation tools and operational utilities that reduced manual work for marketing and
affiliate teams.
• Implemented API integrations and technical workflows for campaign configuration, traffic routing
and conversion tracking.
• Configured and maintained affiliate tracking workflows including campaigns, SmartLink, OneLink
and postback integrations.
• Developed and maintained transactional email infrastructure processing 200K+ messages per day.
• Managed Linux production infrastructure, deployments, monitoring, troubleshooting and
performance optimization.
• Investigated failures across application logic, APIs, tracking systems and server infrastructure.
• Worked closely with marketing and affiliate teams to translate operational requirements into
technical solutions.

Technology:
PHP • Symfony • MySQL • Redis • RabbitMQ • Elasticsearch • Keitaro • Voluum • CDN • Video Platform
Integrations • Linux
__________

EARLIER EXPERIENCE

PHP Developer / Backend Developer
Automatic Financial Social Network Ltd. | 2011–2012
Developed and maintained web platforms and backend functionality, including third-party API integrations,
payment gateway integrations, file-sharing infrastructure and video conferencing functionality.

Freelance PHP Developer | 2009–2011
Developed custom web applications, backend modules, plugins and themes for WordPress, Drupal,
Magento and Joomla, including integrations with third-party services and business APIs.

Technology

PHP • MySQL • WordPress • Drupal • Magento • Joomla • Payment APIs • Third-party Integrations