Oleksiy Kalinichenko Email & Phone Number

✅ Key Responsibilities:- Leading the development and implementation of scalable Drupal solutions and seamless React/Next.js integrations.- Managing a diverse team of developers, providing mentorship, and fostering a collaborative environment.- Overseeing DevOps operations, ensuring continuous integration, deployment, and maintenance across various cloud infrastructures.- Driving the technical strategy for the company, aligning it with business goals and client needs.✅ Key Achievements:- Successfully migrated multiple legacy systems to Drupal 10, improving performance and scalability.- Implemented advanced search capabilities using Solr and ElasticSearch, enhancing user experience.- Spearheaded the development of custom e-commerce platforms tailored to client-specific requirements.- Achieved a 30% increase in website performance through optimization and code refactoring.- Developed mobile applications using React Native, ensuring code reusability with existing Drupal sites.- Led the DevOps team to establish CI/CD pipelines, reducing deployment times by 50%.- Provided continuous DevOps support, maintaining high uptime and reliability for client projects.

✅ Drupal Core Contributions: - Extensive experience with Drupal core versions 4 through 11. - Contributed to core patches and enhancements.✅ Module Development and Contributions: - Developed and contributed modules including CCK, Views (Drupal 5, 6, 7), Content Workflow, AddThisEvent, Migrate Source BLM, Simple Multi-Step Form, Theme Field, UUID Node Pane, Advanced CSS/JS Aggregation, Rabbit Hole, Panels, Broken Link, XML Sitemap. - Actively contributed to popular modules such as CiviCRM, Devel, Views Datasource, and CAT.✅ Theming and Front-End Development: - Created and maintained Drupal themes. - Developed custom themes for various projects ensuring high performance and responsive design.✅ Site Building and Architecture: - Implemented complex site architectures using Panels and Views. - Built custom content types and workflows to meet specific client needs.✅ Performance Optimization: - Enhanced website performance using Advanced CSS/JS Aggregation. - Optimized databases and configurations for better performance and scalability.✅ Testing and Quality Assurance: - Contributed to automated tests ensuring high code quality and reliability. - Performed extensive manual and automated testing to ensure site stability.✅ Documentation and Training: - Created and maintained comprehensive documentation for Drupal projects. - Provided training and support for development teams and end-users.✅ Drupal Events: - Attended and participated in various Drupal events, including: - Drupal Conference 2006 (Brussels, Belgium) - DrupalCon Barcelona 2007 - DrupalCon Paris 2009 - DrupalCon Copenhagen 2010 - DrupalCon Portland 2013 - DrupalCon Amsterdam 2014✅ Community Engagement: - Actively involved in the Drupal community through contributions to modules, themes, installation profiles, and translations. - Provided Drupal-related services, including consulting, development, and support.

Paris, Ile De France, Fr

During my tenure at Adyax, I played a crucial role in leading and executing several high-profile projects, leveraging my extensive expertise in Drupal development. Below are some of the key projects and contributions:✅ Deprexis - Digital Therapy:Project Overview: Deprexis is a clinically validated digital therapy solution aimed at significantly reducing depressive symptoms. This project was designed to cater to users in Switzerland, Germany, and the United States.Responsibilities:- Led the development of the Drupal-based e-commerce platform for Deprexis.- Integrated various payment gateways to facilitate smooth and secure transactions.- Implemented multi-language support to cater to diverse user bases across different regions.- Ensured compliance with local regulations and standards for digital therapy and e-commerce.- Collaborated with cross-functional teams to ensure a seamless user experience and functionality.Technologies Used: Drupal, PHP, MySQL, JavaScript, Payment Gateway APIs.✅ Veolia - Large-Scale Migration:Project Overview: Veolia is a global leader in optimized resource management, with over 200 custom-built Drupal sites. The project involved migrating their extensive Drupal 7 infrastructure to Drupal 9.Responsibilities:- Planned and executed the migration strategy for over 200 Veolia sites.- Ensured data integrity and seamless transition of content, configurations, and custom modules.- Developed custom scripts and modules to automate and streamline the migration process.- Conducted extensive testing to identify and resolve any compatibility issues.- Optimized the newly migrated Drupal 9 sites for performance, security, and scalability.- Provided training and documentation to the Veolia team for maintaining the new platform.- Technologies Used: Drupal 7, Drupal 9, PHP, MySQL, JavaScript, Migration API.✅ General Contributions:- Performance Optimization- Module and Theme Development- Automated QA- Collaboration and Communication

Brabrand, Dk

✅ React Integration for User Functionality:Project Overview: Enhanced user experience by integrating React for all major user functionalities, ensuring a seamless and interactive interface.Responsibilities:- Wish List and Favourites: Implemented React components for managing wish lists and favourites, providing users with a dynamic and responsive experience.- Log In and User Authentication: Developed secure and efficient log in functionalities using React, ensuring smooth authentication processes.- Basket and Order Management: Integrated React for basket management, order tracking, and user zone functionalities, enhancing the overall shopping experience.- Search: Implemented advanced search functionalities using React, allowing users to find products quickly and efficiently.Technologies Used: Drupal, React, PHP, MySQL, JavaScript.✅ Complex Migration Projects:Project Overview: Managed and executed complex migrations from Drupal 6 and 7 to 8 and 9, ensuring data integrity and seamless transition.Responsibilities:- Planned and executed migration strategies for large-scale Drupal sites.- Developed custom migration scripts to handle various data types and configurations.- Ensured minimal downtime and data loss during the migration process.- Conducted extensive testing to identify and resolve any migration issues.✅ Complex CI/CD for EU and CN Markets:Project Overview: Implemented complex Continuous Integration and Continuous Deployment (CI/CD) pipelines for both EU and CN markets, ensuring efficient and reliable deployment processes.Responsibilities:- Designed and implemented CI/CD pipelines using modern tools and best practices.- Automated testing and deployment processes to ensure high code quality and reliability.- Managed multiple environments and configurations for different market regions.- Collaborated with cross-functional teams to streamline the development and deployment workflow.Technologies Used: Bitbucket CI/CD Tools, Jenkins, Docker.

Lutsk, Volyn, Ua

✅ Implemented CI/CD Standards for Drupal Projects:Project Overview: Established Continuous Integration and Continuous Deployment (CI/CD) standards for Drupal 5, 6, and 7 projects to streamline development processes and ensure consistent code quality.Responsibilities:- CI/CD Pipeline Implementation: Designed and implemented CI/CD pipelines tailored to Drupal projects, integrating tools such as Jenkins, GitLab CI.- Automated Testing: Incorporated automated testing frameworks, including Behat and PHPUnit, into the CI/CD pipelines to ensure high code quality and reliability.- Deployment Automation: Developed scripts and processes for automated deployments, reducing manual intervention and minimizing the risk of deployment errors.- Monitoring and Reporting: Set up monitoring and reporting tools to track the status of CI/CD pipelines, identify bottlenecks, and ensure timely resolution of issues.Technologies Used: Jenkins, Behat, PHPUnit.✅ Implemented Code Standards Validation:Project Overview: Established and enforced code standards validation to ensure consistent and high-quality code across all projects.Responsibilities:- Coding Standards Definition: Defined coding standards and best practices for Drupal development, aligning with industry standards and guidelines.- Linting and Static Analysis: Integrated linting tools and static analysis frameworks, such as PHPCS and ESLint, into the development workflow to automatically detect and fix code quality issues.- Code Review Processes: Implemented code review processes and guidelines to ensure thorough peer reviews and adherence to coding standards.- Training and Workshops: Conducted training sessions and workshops for development teams to familiarize them with coding standards and best practices.- Documentation: Created comprehensive documentation outlining coding standards, guidelines, and best practices for easy reference by development teams.Technologies Used: PHP, PHPCS, ESLint, Git, GitHub/GitLab.

✅ Complex Site Building for High-Profile Clients:Project Overview: Led the development of complex, large-scale Drupal websites for clients such as ScanJour, Berlingske Media, and various Denmark government sites.Responsibilities:- ScanJour: Developed and maintained a robust document management system using Drupal, ensuring high performance and security.- Berlingske Media: Built and optimized the online presence for one of Denmark’s leading media companies, focusing on scalability and user engagement.- Denmark Government Sites: Worked on multiple government projects, ensuring compliance with government standards and regulations, while providing a user-friendly interface for citizens.Technologies Used: Drupal, PHP, MySQL, JavaScript.✅ Mobile Responsiveness:Project Overview: Ensured that all websites developed were fully responsive, providing an optimal viewing experience across a wide range of devices.Responsibilities:- Responsive Design: Implemented responsive design principles to ensure websites function seamlessly on mobile devices, tablets, and desktops.- Performance Optimization: Optimized mobile performance to ensure fast load times and smooth user experiences.- User Testing: Conducted extensive testing on various devices and browsers to ensure compatibility and performance.Technologies Used: jQuery Mobile, HTML5, CSS3, Bootstrap.✅ Headless Drupal Projects:Project Overview: Utilized jQuery and jQuery Mobile for headless Drupal projects, decoupling the front-end and back-end to enhance flexibility and performance.Responsibilities:- Headless Architecture: Developed headless Drupal architectures, separating the content management back-end from the front-end display layer.- Custom API Development: Created custom APIs to facilitate seamless communication between the front-end and back-end systems.- Front-End Development: Leveraged jQuery and jQuery Mobile to build dynamic and interactive user interfaces, enhancing the overall user experience.

Master'S Degree, Mathematics / Cybernetic / Calculation Methods (The Faculty Of Mathematics)

Bachelor'S Degree, Banking (The Faculty Of Economics)