
Constantin Bosneaga
Verified Expert in Engineering
Software Developer
Montreal, QC, Canada
Toptal member since December 8, 2014
Constantin is a highly skilled professional with extensive expertise in the LAMP stack. He specializes in delivering custom, complex solutions and consistently produces high-quality results. Whether working independently or as part of a team, Constantin has a proven track record of successfully handling challenging projects, making him a reliable choice for both intricate and unique technical needs.
Portfolio
Experience
- Apache - 10 years
- PHP - 10 years
- Linux - 8 years
- Subversion (SVN) - 5 years
- MySQL - 5 years
- JavaScript - 5 years
- Google Maps - 3 years
- PHPUnit - 2 years
Availability
Preferred Environment
MacOS, Git, Docker, Visual Studio Code (VS Code), Amazon EC2, GitHub, ChatGPT
The most amazing...
...thing I've developed is a satellite tracking system.
Work Experience
Expert PHP Developer
Ultius, Inc.
- Enhanced a core PHP app with new features, integrated Doctrine ORM and GraphQL, migrated to Joomla 4, and refactored code for better performance and maintainability. Worked with teams, optimized performance, and ensured stability through testing.
- Migrated from private cloud to Google Cloud, optimizing costs with Compute Engine, SQL instances, and Cloud Storage. Improved scalability, reduced expenses, and maintained high performance and reliability throughout the transition.
- Integrated payment processors like Stripe, Paypal, and Authorize.NET for payments and refunds.
- Developed new admin applications using Vue, Vite, Element Plus, and Webpack, focusing on creating efficient, responsive, and user-friendly interfaces. Streamlined development with modern tools and optimized performance for better user experiences.
- Set up a development workflow using Git and implemented CI/CD pipelines with GitHub Actions, automating build, test, and deployment processes. Ensured seamless integration, rapid feedback, and efficient delivery of code changes to production.
- Created automated QA tests using Selenium to ensure application stability, enabling thorough testing of user interfaces and workflows.
Senior PHP Developer
Toptal
- Developed a real-time communication and publishing platform using AngularJS, Socket.IO, and WordPress.
- Picked up and greatly extended the CakePHP corporate application for remote car verification, including back-end, mobile application, and REST API.
- Supported various Laravel-based projects.
- Contributed to Tiki.org code, supporting the new Release 15.
- Developed and customized Shopify themes.
- Developed a paid membership system for a sports site.
PHP Developer
Moeller Mfg. Company, LLC
- Optimized MySQL server by resolving crashes and implementing memory optimizations, resulting in improved stability and performance. Enhanced database efficiency, reduced downtime, and ensured smoother operation under high load conditions.
- Optimized PHP WAMP settings to improve performance and fix bugs, enhancing server response times and overall application stability. Fine-tuned configurations to ensure smoother and more efficient operation.
- Assisted with custom PHP code development for various tasks, delivering tailored solutions to meet specific project requirements.
WordPress Developer
LaGrande Marketing
- Re-themed www.hancelaw.com and optimized it for speed.
- Improved themes for www.ntarupt.org and optimized it for speed.
- Set up www.lagrandemarketing.com from scratch using a new theme.
jQuery and Bootstrap Developer
Evermaven, Inc.
- Analyzed performance bottlenecks of JavaScript scripts on Safari/iOS.
- Optimized JavaScript loading for speed and optimized the WordPress theme.
- Fixed numerous display bugs in the ArcGIS-based map.
Developer Analyst
Cogeco
- Set up the Docker development and production environment.
- Built Docker containers for Node.js, AngularJS, and PHP applications.
- Developed new features in the Node.js and AngularJS application.
- Developed new features for a Drupal 7-based company website.
- Supported the Drupal 7 to Drupal 8 migration of a corporate website.
Website Developer
Relentless Ventures, LLC
- Created a custom WordPress theme. Users can upload and watermark images with a custom mark or upload videos with HTML5 and share them via YouTube/Vimeo.
- Implemented geolocation information with the Google Places API.
- Implemented Google reCAPTCHA for post forms and comments.
Senior PHP Developer
Mindgeek
- Developed the company's billing product Probiller (probiller.com), a credit card processing and billing system used on 100+ websites.
- Integrated with 3rd-party payment processing systems.
- Ensured the stability of the platform using unit and integration tests.
- Supported the staging, testing, and production environment.
- Worked in a Scrum framework to promote collaboration and continuous improvement.
Senior IT Consultant
Business & Finance Consulting
- Developed MasterAPS, a loan application processing system. Automated the loan cycle using a configurable business process workflow system. The application captures client data, scans, and archives paper documents.
- Created SmartScore, web-based statistical software for credit score-related clients. It allows for checking statistical credit scoring models against actual data, viewing reports, and recalibrating model coefficients.
- Consulted on-site regarding the credit scoring implementation at ten banks.
- Designed, developed, and implemented a diverse range of financial Excel applications to streamline business operations.
- Implemented an HR/Timesheet tracking database for internal purposes.
Full-stack Developer
Urban Lux
- Developed a real estate tool for prospective buyers and brokers.
- Created a powerful analytical package for tracking leads and prospective buyer behavior.
- Developed a fancy Ajax interface for the back end.
Web Developer
Riscom ISP
- Developed billing and invoicing for all services provided by the company, including broadband Internet access, dial-up Internet access, and fixed telephony.
- Developed access to dial-up Internet using prepaid cards.
- Developed a DOCSIS network management and billing platform. Worked with modem provisioning, router configuration, and Linux installation with all services necessary for proper operation.
- Designed and developed web software to capture case/hearing information and produce statistical reports for an OSCE trial monitoring program.
- Modified and improved an inclined satellite tracking system. Added a web interface for control and statistics.
- Designed and developed customized websites for a range of clients, leveraging cutting-edge web development technologies.
PHP Developer
MetroWeb
- Created www.mobilagroup.md, a site for a furniture company, which includes a product catalog with images and category filtering, browsing, search, and an admin interface.
- Developed www.price.md, a computer parts shop site, which includes functionality for category browsing, filtering, advanced search, keyword search, and a shopping cart. The admin interface updates by uploading an Excel file.
- Programmed www.job.md, a job posting site. It includes detailed job requests, online CV publishing, browsing by category, and advanced search through a CV database.
- Built the engine for www.tempotop10.com, a TV show for song ratings with online voting features.
- Created www.stomatolog.md, a portal for dentists in Moldova. The site includes news, events, and videos.
Experience
ProBiller
http://probiller.com/FEATURES
• Single charges, 3D-secure transactions, and subscriptions
• Interactive and API mode
• Membership management
• Admin panel
• Integrated with 3rd-party credit card processors
• Integrated with affiliate systems
DrBobSports
https://drbobsports.com/• Scraped data from multiple APIs and provided statistics processing.
• Supported AWS infrastructure based on Docker and Ansible.
SelfVerified
Murmura.IO
Freelance Portfolio
http://a32.me/category/portfolio/DumTrux
SCI-Direct
SCI-Store
LaCriminalDefensePartners
Aniveo.com
PetCare
Helloracists
Tiki
Shopify Projects
WP Theming
http://hancelaw.comEducation
Bachelor's Degree in Computer Science
Technical University of Moldova - Chisinau, Moldova
Skills
Libraries/APIs
Mandrill API, Google Maps, Vue, REST APIs, Node.js, Skrill API, jQuery Validation, jQuery, Doctrine 2, Twilio API, Stripe API, Socket.IO
Tools
Apache, Subversion (SVN), PhpStorm, Git, NGINX, Vagrant, Apache JMeter, LearnDash, GitHub, ChatGPT, Docker Compose, PDFtk, Advanced Custom Fields (ACF)
Languages
PHP, JavaScript, SQL, PHP 5, R, Delphi, Python, Java, GraphQL, PHP 7, CSS, HTML, Excel VBA
Frameworks
PHPUnit, CodeIgniter, CakePHP, Laravel, Dojo, Smarty, AngularJS, Twig, Django, Symfony 2, Angular, Realtime
Platforms
WordPress, Ubuntu, LAMP, WooCommerce, Shopify, Linux, MacOS, Docker, Drupal, Acquia, Amazon Web Services (AWS), Oracle, Joomla, Visual Studio Code (VS Code), Amazon EC2
Storage
MySQL, Oracle DBA, Amazon S3 (AWS S3), SQLite, MongoDB, Firebird, JSON, Google Cloud, SlimPHP
Paradigms
Business Process Modeling Notation (BPMN), Agile Software Development, Scrum
Other
APIs, Payment Processing, Cloud, Algorithms, HAProxy, Resin, DocuSign, Wamp, FTP, High-load, Payment APIs, Card Payments, Digital Circuits, Software Design, Timelines, Rapid Delivery, Cloud Computing, Gravity Forms
How to Work with Toptal
Toptal matches you directly with global industry experts from our network in hours—not weeks or months.
Share your needs
Choose your talent
Start your risk-free talent trial
Top talent is in high demand.
Start hiring