Andrey Z.

Andrey Z.

Senior Software Engineer

Kyiv, Ukraine
Hire Andrey Z. Hire Andrey Z. Hire Andrey Z.

About Me

Andrey is a talented and experienced Ruby on Rails Developer with 6+ years of expertise in the IT industry, utilizing React.js and Ruby frameworks in creating innovative APIs and SPA frontends for clients. He often works on complex web development tasks, employs cutting edge and new technologies, and develops detailed, useful and effective plans as a solution to client needs.

Work history

UpStack
UpStack
Ruby on Rails and ReactJS Developer
2016 - Present (8 years)
Remote
  • Creating and developing innovative software solutions for clients across a broad range of industries.

GlobalLogic
GlobalLogic
Full-Stack Ruby on Rails Developer
2016 - Present (8 years)
Kiev, Ukraine
  • Discovered the best possible solutions to migrating a project and its assets to Amazon services for better asset handling and a more scalable project.

  • Provided technical guidance and feedback in migrating about 80% of the project components from jQuery to SPA on React.js, considerably improving UI and UX for users.

  • Worked with a client to improve the performance of a large project separated into two services by successfully integrating RabbitMQ.

GlobalLogic
GlobalLogic
Ruby on Rails developer
2015 - 2016 (1 year)
Kiev, Ukraine
  • Excercised code reviews, refactored unit and integration tests which decreased test execution time from 12 hours to 5-6 hours.

  • Made effective architectural design decisions that improved UI and UX, and added the ability for admins to upload images directly to the S3 Amazon service.

  • Built different advertisement specifications into the platform including VPAID, MRAID, and VAST for administrative use.

Sphere Software
Sphere Software
Ruby on Rails developer
2014 - 2015 (1 year)
Kharkov, Ukraine
  • Supported and enhanced a management system that helps businesses to choose the right job candidates for an organization

  • Developed a secure system interface with the Indeed job site API, and implemented new features for the system.

  • Defined and built new services to generate numerous and complex status reports for the client.

Envion Software
Envion Software
PHP Developer
2013 - 2014 (1 year)
Kharkov, Ukraine
  • Wrote a clean, modularized, and testable application for a US dance school from scratch, using PHP Symfony2 framework.

  • Created and maintained a custom jQuery calendar that allows parents to quickly enrol their children for dance lessons.

  • Provided high-level product support by refactoring the current code base of an online bookstore that sells books, CDs, and other contents for children in the UK and US.

Independent Contractor
Independent Contractor
PHP developer
2012 - 2013 (1 year)
Remote
  • Built various responsive as well as native modules and scripts for existing portals and developed sites from scratch.

  • Utilized the latest development tools in gathering requirements, creating project specifications, and improving the quality of products and codes.

  • Regularly developed and maintained robust web applications and APIs using PHP for clients.

Portfolio

Ruby on Rails Developer - Infocus
Ruby on Rails Developer - Infocus

Infocus - project for supporting Phone devices using OOMA API. The Infocus platform offers tools that connect global enterprise infrastructures and employees from any and everywhere. The platform provides you with seamless solutions that enable you to share more, do more, work faster, be smarter and succeed beyond what you’d expect every single day.

Ruby on Rails Developer - Better Interviews
Ruby on Rails Developer - Better Interviews

BetterInterviews - management system that helps a business to choose the right candidate for the organization. With betterinterviews, users can source for candidates from many different channels.

Ruby on Rails Engineer -Better Feedback
Ruby on Rails Engineer -Better Feedback

BetterFeedback - employee feedback and performance management I was responsible for creating reviews, feedbacks, recognitions and goals for better collaboration between employees, top clients: BuzzFeed(est. $850 mln), Ubisoft(rev. $2 bil), Tumblr(cap. $1.1 bil) Key responsibilities: developing new features and improving existing functionality and egacy code refactoring

Education

Education
Master's degree, Information Security
Kharkiv National University of Radioelectronics
2003 - 2008 (5 years)