Scroll To View More
Hire the top 3% of freelance developers
toptal.com
Call us: +1.888.604.3188
Andrej Burcev, System Architecture Developer in London, United Kingdom
Andrej Burcev

System Architecture Developer in London, United Kingdom

Member since July 10, 2014
Andrej is an expert software architect/developer, able to view any system as the sum of components. Combined with exceptional problem-solving skills, he has the capability to efficiently and rapidly develop solutions to any problem. He is an excellent communicator and a dedicated engineer.
Andrej is now available for hire
Hire Andrej

Portfolio

Experience

  • PHP, 9 years
  • System Architecture, 6 years
  • MySQL, 5 years
  • Jenkins, 4 years
  • React, 3 years
  • Node.js, 3 years
  • MongoDB, 3 years
  • TypeScript, 2 years
London, United Kingdom

Availability

Part-time

Preferred Environment

Ubuntu/OS X, Git, JetBrains IDEs

The most amazing...

...software I've built is an OTA solution with custom content aggregator from scratch.

Employment

  • Senior Developer

    2015 - PRESENT
    Freelance (via Toptal)
    • Improved application architecture.
    • Implemented Bearer Token Authentication.
    • Made general AngularJS and Node.js (with Express) application code logic improvements and bug fixes, and implemented new functionality.
    • Improved graph database (Neo4j) queries, fixed bugs, and implemented new functions.
    • Utilized D3.js to display tree and network graphs.
    • Worked on UX and UI.
    Technologies: Node.js, AngularJS, D3.js, Neo4j, MongoDB, Ubuntu 14.04, Heroku, Vagrant, Grunt, Karma, New Relic, LESS CSS

  • Technical Project Lead

    2014 - PRESENT
    LetsJoin, Ltd.
    • Fully redesigned the architecture and infrastructure of the solution.
    • Developed a multi-part synchronization mechanism with advanced configuration management capabilities.
    • Developed a single page application with AngularJS, implementing full asset management with Gulp.
    • Developed server provisioning scripts with Puppet.
    • Introduced ELK stack and Graphite/Grafana to monitor systems (with full puppet provisioning).
    • Introduced Jenkins Continuous Integration with automatic deployment throughout all environments and using Git private repositories.
    • Worked closely with embedded device manufacturers to improve their application (included cross-compiling libraries required by our application for their devices).
    • Managed projects via Jira (mainly Scrum or Kanban).
    Technologies: OO/PHP5, Symfony2, SlimPHP, JavaScript, AngularJS, Node.js (+Express), Git, MySQL, SQLite, MongoDB, Redis, HTML/5, CSS/3, Sass, Bootstrap, Gulp/Grunt, Jira, Jenkins, Puppet, Elasticsearch, Logstash, Kibana/4, Graphite

  • IT Director/System Architect/PHP Developer

    2012 - 2014
    Tourconstructor, Ltd.
    • Developed connector libraries for service providers (e.g., Amadeus GDS, Expedia, GTA), and made available responses for aggregation algorithms.
    • Designed architecture of aggregator logics from request/response validation, routing and caching to code abstraction to allow seamless expansion of additional service providers.
    • Designed and developed a basket with up-sale management and a complex booking/payment process.
    • Integrated all security requirements for DSS PCI compliance level 4 on the website.
    • Developed internal CMS for operations, content, finance, and marketing departments.
    Technologies: OO/PHP5, MySQL, Doctrine2, PDO, Guzzle, CodeIgniter, Zend, HTML/HTML5, CSS/CSS3, GoogleMaps API, JavaScript, Backbone, Bootstrap, Handlebars, jQuery, AJAX, CentOS, Nginx, Git, Jenkins, RedMine

  • PHP/MySQL/Front-end Developer

    2011 - 2011
    Vac Management, Ltd.
    • Developed a web module which allows booking of transfers using Google Maps API.
    • Created an internal real-time web application for car transfer bookings (using long-polling), which allowed multiple agents to work with data consistency.
    • Built the company's driver and external outosurcing (when company was overbooked) job allocation system.
    • Integrated Google Maps for automatic fare calculation against business rules (travel distance, pick-up/drop-off points).
    • Implemented the fully versioned application.
    Technologies: PHP5, MySQL, HTML, CSS, JavaScript, Google Maps API, AJAX, Custom PHP framework, CodeIgniter

Experience

  • DaTravel OTA (Development)
    http://www.datravel.com/

    Online travel agent: Website + SaaS content aggregator API (not exposed).

Skills

  • Languages

    ECMAScript (ES6), TypeScript, SCSS, HTML, CSS3, PHP, CSS, XML, JavaScript, UML, HTML5, Less

  • Frameworks

    Twig, OAuth 2, AngularJS, CodeIgniter, Symfony 2, Smarty, Guzzle, Express.js, Bootstrap 3, PHPUnit, Jasmine, Angular, Slim, Ember.js

  • Libraries/APIs

    jQuery, React, Doctrine 2, Moment.js, Puppet.js, Node.js, PhantomJS, PhpSpec, Google Maps, Socket.IO, Backbone.js

  • Tools

    NPM, JSHint, Bitbucket, Nginx, Jira, Gulp.js, Composer, PhpStorm, Git, Bower, Apache, php-fpm, Adobe Photoshop, Adobe Illustrator, Jenkins, Git Flow, Redmine, Grunt, Mongoose, Karma, Mocha, Mathematica, MATLAB, Kibana, logstash-forwarder, Logstash, Subversion (SVN)

  • Paradigms

    Functional Programming, Agile Software Development, REST, Object-oriented Programming (OOP), API Architecture, Scrum, Behavior-driven Development (BDD), Test-driven Development (TDD)

  • Platforms

    Rackspace, Amazon Web Services (AWS), Heroku, Linux, OpenWRT, Linux RHEL/CentOS

  • Other

    FontAwesome, Web Development, APIs, Ubuntu Server, Unix Shell Scripting, Software Architecture, System Architecture, SOAP, WebSockets, Grafana 2, Graphite, StatsD, Collectd

  • Storage

    Neo4j, SQLite, MySQL, MongoDB, Memcached, Redis, NoSQL, Elasticsearch

Education

  • B.Sc. degree in Financial Mathematics and Business
    2010 - 2013
    Kingston University - London
Hire the top 3% of freelance developers
toptal.com
Call us: +1.888.604.3188
To view more profiles, join ToptalJoin Toptal
I really like this profile
Share it with others