Volodymyr is available for hire
Hire VolodymyrVolodymyr Gutnyk
Verified Expert in Engineering
Software Developer
Location
Lewisville, TX, United States
Toptal Member Since
May 15, 2013
Vlad is very good at finding efficient solutions to software problems. With proven experience in many different web technologies, he excels at choosing the best way to turn ideas into well-designed applications.
Portfolio
International ESL Services LLC
PHP, Laravel, Amazon CloudFront CDN, Amazon EC2, Amazon S3 (AWS S3), MySQL...
Clearleaf Inc.
Laravel, Amazon Web Services (AWS), Leadership, APIs, PHP, MySQL
ExamSoft Worldwide
Hibernate, Spring, Java, CSS3, HTML5, PostgreSQL, SQL Server BI, AngularJS...
Experience
Availability
Part-time
Preferred Environment
Apache, Git, PhpStorm, WebStorm, IntelliJ
The most amazing...
...thing I've built is a machine learning algorithm for social network analysis and data mining for a mobile web app that improves itself with each new user.
Work Experience
Senior PHP/Laravel Developer
2021 - 2022
International ESL Services LLC
- Designed and implemented a web portal as a learning management system.
- Tracked and fixed bugs using Jira as a reporting tool.
- Improved and oversaw the release process. Helped the company follow a test-driven development approach which improved code quality and reduced bugs in releases.
Technologies: PHP, Laravel, Amazon CloudFront CDN, Amazon EC2, Amazon S3 (AWS S3), MySQL, REST APIs, MariaDB, RESTful Development, HTML, JavaScript, CSS, React, PHP Performance
Laravel Lead Developer
2020 - 2022
Clearleaf Inc.
- Redesigned and developed an application with the team to leverage the power of AWS.
- Designed and implemented AWS Redshift to support reporting and BI integration.
- Planned and provided a smooth migration of the reporting portal into AWS, which resolved many issues of slow response and security.
Technologies: Laravel, Amazon Web Services (AWS), Leadership, APIs, PHP, MySQL
Senior Software Developer
2018 - 2020
ExamSoft Worldwide
- Rewrote the legacy portal to use AWS micro-services, AWS DynamoDB, and AWS SNS.
- Tracked and fixed bugs using Jira as a reporting tool.
- Participated in research and development to access the cost and advantages of using machine learning technologies to make applications more efficient.
Technologies: Hibernate, Spring, Java, CSS3, HTML5, PostgreSQL, SQL Server BI, AngularJS, SAML, Amazon Neptune, Redshift, Amazon DynamoDB, Amazon Web Services (AWS), Agile Software Development
Full-stack PHP, Laravel, and JavaScript Developer
2015 - 2018
Kings Credit Services
- Developed online client interfaces and a front-end app using Facebook, Twitter, and Google APIs. Conducted search engine optimization.
- Performed database planning and design and implemented the database schema.
- Provided search engine optimization and analysis.
Technologies: RESTful Development, Java, JavaScript, HTML5, CSS, jQuery, MySQL, REST APIs, PHP, Linux, Agile Software Development
Sr. Software Engineer
2015 - 2015
Dealertrack Techologies
- Designed and developed solutions to support sales for most big car dealers in US.
Technologies: CSS3, HTML5, AngularJS, JavaScript, Java, MongoDB, Apache, Microsoft SQL Server, Perl, Laravel, Zend Framework, Laravel Homestead, Unit Testing, APIs, Arduino, C++, Amazon Web Services (AWS), Arduino IDE, I2C
Java Team Lead
2013 - 2015
Cinsay, Inc.
- Supported SmartStore (TM)--Cinsay.com proprietary software--in a video eCommerce solution using AWS API for video encoding and storage (S3).
- Supported deployment by setting Jenkins jobs for different tasks using Amazon RDS.
- Planned and scheduled Cron jobs on Linux, adjusting the configuration of Apache and Memcache.
- Developed public-facing APIs to provide third-party software companies the ability to develop a front-end for Cinsay's services.
- Used Twitter, Facebook, and Google APIs for SEO and sales support.
Technologies: CSS3, HTML5, Memcached, MySQL, Hibernate, Spring MVC, Amazon Web Services (AWS)
Software Architect and Developer
2013 - 2013
Pokeware (via Toptal)
- Developed an analytics portal using Google Analytics API, Bootstrap, and CodeIgniter frameworks.
Technologies: CodeIgniter, Bootstrap, Google Analytics API
Senior Software Engineer
2011 - 2013
Briabe Mobile, Inc.
- Created a web portal application to support mobile advertising campaigns (for companies like Coca-Cola, Home Depot, etc.) integrating together SMS and different social networking channels for higher ROI.
- Developed social network analyzing tools to process Twitter, Facebook, Instagram, and other social feeds to extract relevant information to use it to significantly increase the efficiency of an ad campaign.
- Developed an analytics portal by integrating Google Analytics, Adwords, and social feeds to provide the client with a precise way to manage a campaign and have feedback on how a change affects user responses to a campaign.
- Helped develop mobile web pages using HTML5/CSS3, AJAX, and a MySQL back-end for ad campaigns for Home Depot, Coca-Cola, McDonalds, etc.
- Redesigned and took part in rewriting a big application that was inefficiently written in different languages (Java, J2EE, and PHP) to reduce the cost of support and increase reliability.
Technologies: jQuery, JavaScript, Java, PHP
Senior Programmer Analyst
2008 - 2011
Maxim Integrated Products, Inc.
- Designed and developed a big (10,000+ users) secure document control system that automated multilevel document flow for a complex IC production process.
- Designed and developed a secure credit control application for the corporation's finance department. This application provided control of issuing credit and coordination between corporation world offices in all regions (US, Europe, Japan) and significantly lower financial risk due to eliminating many errors in a process of issuing credits.
Technologies: jQuery, JavaScript, PHP, LAMP
Software Architect
2007 - 2008
Samsung
- Designed and took part in the development of the Samsung eCommerce site.
- Designed security and fraud monitoring for eCommerce.
- Took part in developing a solution for integrating eCommerce with SAP.
- Designed and developed logistic solution integrated with an eCommerce site. The solution provided significant cost savings and reduced online order processing time and logistical errors.
- Developed a solution for B2B and B2C eCommerce.
Technologies: SQL, JavaScript, Java, PHP
Senior Web Developer
2005 - 2007
Verizon Internet Services
- Designed a pay-per-click (innovative at that time) solution. Turned into a big money generating, low-maintenance project.
- Designed and coded solutions (small additions to website Superpaages.com) to keep growing the site's SEO rank.
- Designed and coded an affiliate portal to help marketing to bring more customers to superpages.com with little effort.
- Developed and supported security monitoring and fraud protection algorithms for superpages.com.
- Designed data mining and search algorithms over big arrays of data to improve analytic and user experience at superpages.com.
Technologies: Ajax, JavaScript, Java, PHP
Software Architect
2001 - 2005
Verizon
- Designed and coded a web-based sales support commission system.
- Took part in development reporting and analytics front-end for the commission system.
- Led the development of the Verizon Electronic Card Approval System (ECAS) to provide security and synchronization between different Verizon databases and bank gateways.
- Developed web services to let third-party applications interface with Verizon card processing systems in a secure way with close monitoring and fraud prevention.
- Designed and developed a software solution for Verizon's QA department that helped manage different processes more efficiently and provided better communication between different departments of the corporation.
Technologies: JavaScript, Jakarta EE, Java
Experience
Big corporation eCommerce site
http://www.samsung.com/us/mobile/cell-phones-accessorieseCommerce site for very big online store providing solid security integration with all logistical elements.
Skills
Languages
PHP, Java, HTML5, JavaScript, CSS3, SQL, Perl, C++, CSS, HTML, SAML
Frameworks
Spring MVC, Laravel, Laravel 5, Yii, Hibernate, Spring, Bootstrap, CodeIgniter, AngularJS, Zend Framework
Libraries/APIs
jQuery, Google AdWords, Facebook API, Twitter API, Laravel Homestead, Google Analytics API, jQuery Mobile, REST APIs, React
Tools
Google Analytics, Apache, Eclipse IDE, IntelliJ, WebStorm, PhpStorm, Git, Jenkins, ADT, Amazon CloudFront CDN, SQL Server BI
Other
APIs, Robot Operating System (ROS), Robotics, Microcontroller Programming, OAuth, Machine Learning, Arduino IDE, I2C, Ajax, Parallax Multicore Programming, Leadership, PHP Performance, Amazon Neptune
Paradigms
Agile Software Development, Unit Testing, Waterfall Development, RESTful Development
Platforms
Arduino, Linux, Oracle, NetBeans, LAMP, Amazon Web Services (AWS), Jakarta EE, OpenCart, Android, Amazon EC2
Storage
Memcached, MySQL, Microsoft SQL Server, MongoDB, Amazon S3 (AWS S3), MariaDB, Amazon DynamoDB, Redshift, PostgreSQL
Education
2013 - 2013
Continuing Studies in Data Science
Stanford University - California
1986 - 1990
Post Graduate Degree in Computational Fluid Dynamics
Donetsk State University - Donetsk, Ukraine
1981 - 1986
Master's Degree in Computational Fluid Dynamics
Donetsk State University - Donetsk, Ukraine
1977 - 1981
Bachelor's Degree in Engineering
Saratov Aviation Colledge - Saratov, Russia