Maksym is available for hire

Maksym Slesarenko

Verified Expert in Engineering

Software Developer

Location

Kharkiv, Kharkiv Oblast, Ukraine

Toptal Member Since

June 20, 2013

Maksym is a Zend Certified Engineer and Zend Framework Certified Engineer with the ability to develop efficient, scalable, and fault-tolerant solutions for complex problems. He has extensive experience with PHP, JavaScript, distributed Python, and client-server applications.

Agile Software Development SQL MySQL PHP Amazon Web Services (AWS)Bootstrap PostgreSQL Test-driven Development (TDD)jQuery jQuery UI Facebook API NoSQL Node.js React Python

Portfolio

Nixsolutions

PHP, JavaScript

Daxx

CSS3, HTML5, JavaScript, PHP

Nixsolutions

CSS, HTML, JavaScript, PHP

Experience

JavaScript - 5 years PHP - 5 years SQL - 5 years REST - 4 years

Availability

Part-time

Preferred Environment

Mercurial, Git, TeamCity, PhpStorm, Ubuntu

The most amazing...

...project I've completed is a RESTful service for mobile devices with CMS back-end and a Facebook application using Amazon Web Services.

Work Experience

Lead JavaScript/PHP Developer

2013 - PRESENT

Nixsolutions

Designed and developed scalable and reliable web apps.

Technologies: PHP, JavaScript

Senior Software Engineer

2012 - 2013

Daxx

Supported live projects including UI/UX, new feature implementation, and performance optimization.
Built websites and RESTful services for mobile apps from scratch using Symfony 2.
Worked on international and distributed teams.
Optimized application performance with slow database query optimizations, indexes, and page load optimizations.

Technologies: CSS3, HTML5, JavaScript, PHP

Senior Software Engineer

2009 - 2012

Nixsolutions

Wrote applications from scratch with Zend Framework.
Created RESTful services for Flash and mobile apps using Zend Framework.
Wrote and supported Facebook applications.
Supported legacy applications including re-deployment, redesign, database optimizations, page loading optimizations, and writing unit tests.
Optimized application performance with slow database query optimization, indexes, and code architecture optimization.
Worked as a single developer and as a team member with up to six PHP developers.
Worked as a team member with Flash and mobile developers.

Technologies: CSS, HTML, JavaScript, PHP

Experience

ZFCore

https://code.google.com/p/zfcore/

CMF built on Zend Framework and jQuery.
Worked on implementation and improvements for modules. Also worked on project architecture and performance optimization. Responsible for unit tests, refactoring, etc.

Technologies: jQuery, Zend Framework, Twitter Bootstrap

Wysiwyg plugin for jQuery UI

http://maksslesarenko.github.io/wysiwyg/

Lightweight wysiwyg editor based on jQuery UI widget factory with jQueryUI theme support.

Video Chat

Application where users can create chatrooms for video conversations.
Worked on implementation of new features and bug fixes, performance optimization, re-deployment, and unit tests.

Technologies: IIS, AMFPHP, PHP5, Mysql, jQuery, Smarty, Billing, PHPUnit, FMS

Slidz

Service and Facebook App for creating slideshows from user images via Facebook and iPhone.
Responsible for designing and developing the source code.

Technologies: REST service, Facebook Application, ZendAMF, Zend Framework, jQuery, PHPUnit, Amazon EC2/S3

Flirt App

Service and Facebook App for flirting via Facebook and iPhone.
Responsible for supporting, refactoring, writing tests.

Technologies: REST service, Facebook Application, Zend Framework, jQuery, PHPUnit, Amazon EC2/S3

SuperFans

Service for Sport News and Scores for iPhone.
Worked on performance optimization, data service clients and parsers, unit tests, and refactoring.

Technologies: REST service, Facebook Application, CMS, PHPUnit, jQuery, Amazon EC2/S3/Cloudfront

Litfy

Application for reading and sharing books.
Designed and developed source code.

Technologies: Zend Framework, jQuery, PHPUnit, ePub

Kamernet

Application for renters and tenants in Holland.
Worked on new features implementation, application redesign, performance optimizations, and integration with external services.

Technologies: jQuery, Twig

Fitness application

REST API and CMS for iPhone and android apps.
Built REST service and CMS(B2B) from scratch with push notification support.

Technologies: REST, Symfony2, PropelORM, jQuery, Twig, TwitterBootstrap

Staff Finance

Application for managing payments and invoices.

Built from scratch with Twitter Bootstrap.

Technologies: PHP5.3, jQuery, Twitter Bootstrap

Skills

Languages

SQL, PHP, JavaScript, HTML, CSS, HTML5, CSS3, Python

Frameworks

Symfony 4, PhalconPHP, Bootstrap, Zend Framework, Django

Paradigms

Agile Software Development, Functional Programming, Object-oriented Programming (OOP), Test-driven Development (TDD), REST

Platforms

Amazon Web Services (AWS), Ubuntu

Storage

PostgreSQL, MySQL, Memcached, NoSQL

Other

ZCE, Architecture, CCNA

Libraries/APIs

Node.js, React, jQuery UI, Facebook API, jQuery

Tools

PhpStorm, TeamCity, Git, Mercurial

Education

2005 - 2010

Masters Degree in Network Engineering

Kharkiv State University of Radioelectronics - Kharkiv

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