Ovidiu J. - Senior PHP Developer - Freelance

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Berlin, Germany

Experience

Jun 2024 - Feb 2025

9 months

Senior PHP Developer - Freelance

Sage Software

Integrate Node.js modules in the front-end PHP web applications
Develop new features and communication components between the front-end web application and other back-end APIs
Technologies: PHP 7/8, CakePHP, PHPUnit, RESTfull APIs, MySql, Docker, Docker-Compose, Git, Gitlab, Javascript, Lit framework, NodeJs, Windows WSL, Nginx, Apache, HTML, CSS, Twig, Jira, Confluence.

Jan 2024 - Jun 2024

6 months

Founder & PHP Application Developer

Tripgate Srl

Design and build the Service Oriented Architecture of different B2B applications (travel, invoicing, and sales systems)
Build the development and test environments
Develop CD/CI processes and workflows
Research & implement logging & performance monitoring tools
Develop PHP back-end API endpoints
Technologies: PHP 8, Symfony, PHPUnit, JWT Authentication, GraphQL, OpenAPI/Swagger, Restful APIs, Bootstrap, JavaScript, HTML5 and CSS3, MySQL, Doctrine, Docker, Git, Bitbucket tools & pipelines.

Jun 2023 - Oct 2023

5 months

Senior PHP & Spryker developer - Freelance

KPS

Develop secure and efficient PHP back-end applications using Spryker Framework
Design and implement micro-services architecture and RESTful APIs to improve the system modularity and reduce the dependencies between components
Develop secure JWT authentication systems that meet the industry standards for data protection and privacy
Develop and maintain a continuous integration/continuous deployment (CI/CD) pipeline using CircleCI and Gitlab workflow
Develop and implement monitoring systems to evaluate the applications performance and alert stakeholders of any potential issues
Fixing the data inconsistency, validate and process CSV files
Build the communication between different ERP systems and different RESTFull API endpoints
Technologies: PHP 7/8 , Spryker, Symfony, PHPUnit, JWT Authentication, RESTful APIs, GraphQL, PostgreSQL, Propel & Doctrine, RabbitMQ, Redis, Elasticsearch, CircleCI, Docker, Docker-Compose, Git / Gitlab, Codeception, AWS (ECS, ECR, S3), Jira, Confluence.

Aug 2022 - Oct 2022

3 months

Senior PHP & Spryker developer - Freelance

Towa

Develop secure and efficient PHP back-end applications using Spryker Framework
Design and implement micro-services architecture and RESTful APIs to improve the system modularity and reduce the dependencies between components
Develop secure JWT authentication systems that meet the industry standards for data protection and privacy
Develop and maintain a continuous integration/continuous deployment (CI/CD) pipeline using CircleCI and Gitlab workflow
Develop and implement monitoring systems to evaluate the applications performance and alert stakeholders of any potential issues
Fixing the data inconsistency, validate and process CSV files
Build the communication between different ERP systems and different RESTFull API endpoints
Technologies: PHP 7/8 , Spryker, Symfony, PHPUnit, JWT Authentication, RESTful APIs, GraphQL, PostgreSQL, Propel & Doctrine, RabbitMQ, Redis, Elasticsearch, CircleCI, Docker, Docker-Compose, Git / Gitlab, Codeception, AWS (ECS, ECR, S3), Jira, Confluence.

Oct 2021 - Jul 2022

10 months

Berlin, Germany

Senior PHP & Spryker developer - Freelance

Kollex GmbH

Develop secure and efficient PHP back-end applications using Spryker Framework
Design and implement micro-services architecture and RESTful APIs to improve the system modularity and reduce the dependencies between components
Develop secure JWT authentication systems that meet the industry standards for data protection and privacy
Develop and maintain a continuous integration/continuous deployment (CI/CD) pipeline using CircleCI and Gitlab workflow
Develop and implement monitoring systems to evaluate the applications performance and alert stakeholders of any potential issues
Fixing the data inconsistency, validate and process CSV files
Build the communication between different ERP systems and different RESTFull API endpoints
Technologies: PHP 7/8 , Spryker, Symfony, PHPUnit, JWT Authentication, RESTful APIs, GraphQL, PostgreSQL, Propel & Doctrine, RabbitMQ, Redis, Elasticsearch, CircleCI, Docker, Docker-Compose, Git / Gitlab, Codeception, AWS (ECS, ECR, S3), Jira, Confluence.

Feb 2021 - Dec 2022

1 year 11 months

Senior PHP Backend/Full Stack Developer & Architect - Freelance

Federal Office for Migration and Refugees - BAMF

Collect the interface requirements and develop full stack web applications from scratch, including back-end services, front-end interface, and ORACLE database, using MVC design pattern and Domain Driven Design concepts
Create RESTful APIs that allow for seamless integration with other applications
Developed a secure authentication system that ensured user privacy and data security
Create Continuous Integration/Continuous Deployment (CI/CD) pipelines
Optimize the application’s performance by implementing caching and using memory-efficient data structures
Design and redesign Oracle and MySQL databases architecture & migrate the data from the old structure into the new structure
Analyzing and re-factoring legacy code, upgrading, and migrating the source code and the application data
Technologies used: PHP 7, Nginx, Docker, Docker-Compose, Symfony, MySQL, Oracle, Restful API, OpenAPI (Swagger), JWT Authentication, Terraform, Postman, Git, Bitbucket, Codeception, PHPUnit, HTML, CSS, Twig, Javascript, Scrum agile methodology.

Nov 2020 - Oct 2021

1 year

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Thieme & Frohberg GmbH

Design the database structure, build the project architecture and develop the back-end system used by the company to extend and upgrade their online shop for medical books and digital medical products
Prepare the development & production environments for Standard Moodle LMS using Docker and Docker compose
Install, setup and customize Moodle LMS
Develop the communication between back-end system of the online shop and Moodle web-services
Develop and extend Moodle plugins (Filter plugins, File Converters)
Technologies used: Moodle LMS, PHP 7.4, Nginx, Docker, Docker-Compose, Symfony 5, MySQL, Restful API, OpenAPI (Swagger), Git, Bitbucket, Codeception, HTML, CSS, Twig.

Sep 2019 - Aug 2020

1 year

Berlin, Germany

Senior PHP & Spryker developer - Freelance

Kollex GmbH

Develop secure and efficient PHP back-end applications using Spryker Framework
Design and implement micro-services architecture and RESTful APIs to improve the system modularity and reduce the dependencies between components
Develop secure JWT authentication systems that meet the industry standards for data protection and privacy
Develop and maintain a continuous integration/continuous deployment (CI/CD) pipeline using CircleCI and Gitlab workflow
Develop and implement monitoring systems to evaluate the applications performance and alert stakeholders of any potential issues
Fixing the data inconsistency, validate and process CSV files
Build the communication between different ERP systems and different RESTFull API endpoints
Technologies: PHP 7/8 , Spryker, Symfony, PHPUnit, JWT Authentication, RESTful APIs, GraphQL, PostgreSQL, Propel & Doctrine, RabbitMQ, Redis, Elasticsearch, CircleCI, Docker, Docker-Compose, Git / Gitlab, Codeception, AWS (ECS, ECR, S3), Jira, Confluence.

May 2019 - Aug 2019

4 months

Berlin, Germany

Senior PHP / Full Stack Developer

Allmyhomes GmbH

Design and develop different back-end systems based on the Service Oriented Architecture and RESTFul APIs
Research, develop and implement new features meant to improve the performance of the company's E-Commerce platforms used to build multiple online shops
Develop a full-stack web application that handled thousands of concurrent users with minimal downtime
Develop new and custom modules and features for Drupal 7 / 8 CMS, used to build the configuration and the content of the platform
Upgrade Drupal 7 to Drupal 8
Technologies: PHP 7, Zend Framework, Symfony, Drupal CMS 7/8 , Silex, Laravel, PHPUnit, RabbitMQ, MySql, MongoDb, Solr, ElasticSearch, Memcached, Redis, Vagrant & Puppet, Docker, Docker-Compose, Terraform, Nginx, Git, Gitlab, Javascript (JQuery, ECMAScript 6, Typescript), Nginx, Apache, Jenkins, CircleCI, AWS, HTML, CSS, Twig, Jira, Confluence.

Apr 2017 - Apr 2019

2 years 1 month

Berlin, Germany

Senior PHP / Full Stack Developer

Mytoys Group

Design and develop different back-end systems based on the Service Oriented Architecture and RESTFul APIs
Research, develop and implement new features meant to improve the performance of the company's E-Commerce platforms used to build multiple online shops
Develop a full-stack web application that handled thousands of concurrent users with minimal downtime
Develop new and custom modules and features for Drupal 7 / 8 CMS, used to build the configuration and the content of the platform
Upgrade Drupal 7 to Drupal 8
Technologies: PHP 7, Zend Framework, Symfony, Drupal CMS 7/8 , Silex, Laravel, PHPUnit, RabbitMQ, MySql, MongoDb, Solr, ElasticSearch, Memcached, Redis, Vagrant & Puppet, Docker, Docker-Compose, Terraform, Nginx, Git, Gitlab, Javascript (JQuery, ECMAScript 6, Typescript), Nginx, Apache, Jenkins, CircleCI, AWS, HTML, CSS, Twig, Jira, Confluence.

Oct 2013 - Oct 2016

3 years 1 month

Kaiserslautern, Germany

Senior PHP / Full Stack Developer

Tyre24 GmbH/Saitow AG

Design and develop different back-end systems based on the Service Oriented Architecture and RESTFul APIs
Research, develop and implement new features meant to improve the performance of the company's E-Commerce platforms used to build multiple online shops
Develop a full-stack web application that handled thousands of concurrent users with minimal downtime
Develop new and custom modules and features for Drupal 7 / 8 CMS, used to build the configuration and the content of the platform
Upgrade Drupal 7 to Drupal 8
Technologies: PHP 7, Zend Framework, Symfony, Drupal CMS 7/8 , Silex, Laravel, PHPUnit, RabbitMQ, MySql, MongoDb, Solr, ElasticSearch, Memcached, Redis, Vagrant & Puppet, Docker, Docker-Compose, Terraform, Nginx, Git, Gitlab, Javascript (JQuery, ECMAScript 6, Typescript), Nginx, Apache, Jenkins, CircleCI, AWS, HTML, CSS, Twig, Jira, Confluence.

May 2012 - Sep 2013

1 year 5 months

Berlin, Germany

Senior PHP / Full Stack Developer

Groupon GmbH

Design and develop different back-end systems based on the Service Oriented Architecture and RESTFul APIs
Research, develop and implement new features meant to improve the performance of the company's E-Commerce platforms used to build multiple online shops
Develop a full-stack web application that handled thousands of concurrent users with minimal downtime
Develop new and custom modules and features for Drupal 7 / 8 CMS, used to build the configuration and the content of the platform
Upgrade Drupal 7 to Drupal 8
Technologies: PHP 7, Zend Framework, Symfony, Drupal CMS 7/8 , Silex, Laravel, PHPUnit, RabbitMQ, MySql, MongoDb, Solr, ElasticSearch, Memcached, Redis, Vagrant & Puppet, Docker, Docker-Compose, Terraform, Nginx, Git, Gitlab, Javascript (JQuery, ECMAScript 6, Typescript), Nginx, Apache, Jenkins, CircleCI, AWS, HTML, CSS, Twig, Jira, Confluence.

Feb 2007 - Apr 2012

5 years 3 months

Bucharest, Romania

Technical lead / PHP Web Developer

Netbridge Services

Create and maintain detailed technical documentation for network hardware and software, allowing for quick resolution of technical issues
Troubleshoot technical issues and provide on-site technical support
Refactor the legacy code source
Implement SEO best practices
Design and develop core components
Design databases architecture (Oracle, Mysql)
Design and develop the platform's API and Web services(SOAP, REST)
Develop Facebook applications, Facebook Connect, using Php SDK, Javascript SDK, FQL, and Open Graph Protocol
Developing WordPress blogs
Implementing recurring payment systems (Paypal, credit card payments, SMS payments)
Technologies: PHP, MySQL, JavaScript (Jquery), Ajax, HTML, CSS, Smarty, phpBB Forum Software, Joomla CMS, Typo3, Caching systems (Memcache, disk cache, SQL cache), Source Control Management (SVN, Mercurial), PHPUnit and Selenium.

Jun 2006 - Jan 2007

8 months

Bucharest, Romania

Technical lead / PHP Web Developer

Microvit Studio

Create and maintain detailed technical documentation for network hardware and software, allowing for quick resolution of technical issues
Troubleshoot technical issues and provide on-site technical support
Refactor the legacy code source
Implement SEO best practices
Design and develop core components
Design databases architecture (Oracle, Mysql)
Design and develop the platform's API and Web services(SOAP, REST)
Develop Facebook applications, Facebook Connect, using Php SDK, Javascript SDK, FQL, and Open Graph Protocol
Developing WordPress blogs
Implementing recurring payment systems (Paypal, credit card payments, SMS payments)
Technologies: PHP, MySQL, JavaScript (Jquery), Ajax, HTML, CSS, Smarty, phpBB Forum Software, Joomla CMS, Typo3, Caching systems (Memcache, disk cache, SQL cache), Source Control Management (SVN, Mercurial), PHPUnit and Selenium.

Oct 2004 - Apr 2006

1 year 7 months

Iași, Romania

Technical lead / PHP Web Developer

Newflavorstudio

Create and maintain detailed technical documentation for network hardware and software, allowing for quick resolution of technical issues
Troubleshoot technical issues and provide on-site technical support
Refactor the legacy code source
Implement SEO best practices
Design and develop core components
Design databases architecture (Oracle, Mysql)
Design and develop the platform's API and Web services(SOAP, REST)
Develop Facebook applications, Facebook Connect, using Php SDK, Javascript SDK, FQL, and Open Graph Protocol
Developing WordPress blogs
Implementing recurring payment systems (Paypal, credit card payments, SMS payments)
Technologies: PHP, MySQL, JavaScript (Jquery), Ajax, HTML, CSS, Smarty, phpBB Forum Software, Joomla CMS, Typo3, Caching systems (Memcache, disk cache, SQL cache), Source Control Management (SVN, Mercurial), PHPUnit and Selenium.

Summary

The knowledge I have gained in more than 20 years of experience in web software development defines me as flexible, capable of handling multiple tasks, able to work with minimal supervision, and also makes me understand deadlines and time management.