Andrej Trajchevski, Developer in London, United Kingdom
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Andrej Trajchevski

Verified Expert  in Engineering

Software Developer

Location
London, United Kingdom
Toptal Member Since
November 21, 2013

Andrej is a developer with experience in delivering clean, working, and testable code. He's been actively working for 5 years, both in firms and as a freelancer. His last job was writing games for Gambit.com (a gaming platform) and developing the platform itself, along with 5-6 other people.

PythonGitExpress.jsHTML5jQueryLinuxAngularJSSublime TextReactDockerBackbone.jsPostgreSQLFlaskMercurialMongoDB

Portfolio

Gambit.com
Mocha, PostgreSQL, WebSockets, Backbone.js, Node.js
NOVP
FFmpeg, RabbitMQ, Fabric, AngularJS, Express.js, Node.js, JavaScript, Python
Innologica AG
AngularJS, JavaScript, Python

Experience

Imperative Programming - 10 yearsPython - 4 yearsGit - 4 yearsHTML5 - 3 yearsJavaScript - 3 yearsREST - 3 yearsExpress.js - 2 yearsAngularJS - 2 years

Availability

Part-time

Preferred Environment

Git, Sublime Text, Ubuntu, Linux

The most amazing...

...thing I've coded is a distributed system for transcoding videos using a master and server architecture, written on top of FFmpeg using Node.js.

Work Experience

Web Developer

2014 - 2015
Gambit.com
  • Currently developing a billiards simulator (physics engine) in JavaScript.
  • Wrote three of the 20 game currently on the platform: "Dominoes", "Rock-Paper-Scissors", and "Grab'em Poker."
  • Took part in redesigning ORM models to be testable.
  • Designed and implemented a testing library which can be used for integration testing + scripting user behaviour.
  • Researched and evaluated type-safe languages like TypeScript and PureScript to help deal with the inherent unsafety of JavaScript.
  • Wrote an SDK that allowed players to write bots for Gambit.
Technologies: Mocha, PostgreSQL, WebSockets, Backbone.js, Node.js

Lead Developer

2013 - 2014
NOVP
  • Solely created a distributed system for transcoding video.
  • Wrote an open-source library for controlling FFmpeg from Node.js.
  • Dealt with synchronizing servers and data, wrote and utilized deployment tools and scripts.
  • Improved my knowledge on decoupling components, writing tests and generally code that's readable.
  • Accumulated enough experience with NOVP to begin freelancing.
Technologies: FFmpeg, RabbitMQ, Fabric, AngularJS, Express.js, Node.js, JavaScript, Python

Web Developer

2012 - 2013
Innologica AG
  • Created web applications for Swiss telecommunication providers.
  • Utilized AngularJS as a front-end MVC library, wrote the back-ends in Flask.
  • Learned how to prevent most common attacks that happen on the Web.
  • Used and wrote some tools/scripts for deploying.
  • Started thinking about writing testable code, both on the back-end and the front-end.
  • Learned about configuring Nginx and Apache.
Technologies: AngularJS, JavaScript, Python

Student, Python Developer

2012 - 2012
Google Summer of Code
  • Wrote an add-on for a data mining software called Orange.
  • Orange was designed to work only with text data, I added functionality so it could work with images.
  • Learned a solid bit of Qt and its Python binding.
  • First time working solely on a project, so learned a lot about managing time and motivation.
  • Project is free and open-source.
Technologies: Python

Web Developer

2011 - 2012
Reform Solutions
  • Created multiple websites using Contao CMS.
  • Delivered projects while working on small teams.
  • Learned a lot about JavaScript and jQuery in the process; also the need for front-end MVC and using VCS.
  • Developed several government websites.
  • Understood the trouble when using a poorly documented CMS
Technologies: PHP, JavaScript

Software Validator

2010 - 2011
Ein-Sof
  • Tested software written in Java -- checked if the product matched the specification.
  • Collaborated on creating a diagnostic tool for Honda.
  • Had the chance to review enterprise code written in Java.
  • Wrote automated tests in Jython.
  • Worked in an environment that utilized a V-Model software development cycle.
Technologies: Jython, Java

Behance Appreciate Button

http://www.behance.net/gallery/Embeddable-Appreciate-Button-for-Behance/7321861
A series of exploits I found that enabled me to create an "Appreciate" button for Behance that's usable outside of the website. Became #1 Most Appreciated Programming project of all time.

Plain FFmpeg

https://github.com/NOVP-Open-Source/plain-ffmpeg
Open-source Node.js wrapper for controlling an FFmpeg process.

EventList.mk

Side-project; website that aggregates Facebook events for my city

Languages

JavaScript, Python, HTML5, Java, Jython, PHP, CSS3

Frameworks

Express.js, AngularJS, Flask, Django

Libraries/APIs

Node.js, React, Backbone.js, jQuery, Fabric, FFmpeg

Tools

Git, Sublime Text, Mercurial, RabbitMQ, Mocha, Jenkins

Paradigms

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

Platforms

Docker, Linux, Ubuntu

Storage

PostgreSQL, MongoDB, MySQL, MariaDB

Other

WebSockets

2008 - 2013

Bachelors Degree in Computer Engineering

South East European University - Tetovo, Macedonia

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