Genadijus Paleckis, Developer in London, United Kingdom

Genadijus Paleckis

Software Developer

London, United Kingdom
Toptal Member Since
December 8, 2011

Genadijus has over 15 years of experience as a developer. He can execute programming tasks using a range of programming languages including (but not limited to) JavaScript, PHP, C, and Perl. For the past few years, he's been focusing mainly on Angular and test-driven development.

Genadijus is available for hire
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Gamesys, Ltd.
MongoDB, Java, Angular, CometD, Backbone.js
MySQL, PHP, AngularJS
PostgreSQL, C, Perl


London, United Kingdom



Preferred Environment

Perl, C, PHP, JavaScript, BSD, Linux

The most amazing...

...project I've led is an online gaming system for poker with Facebook integrations.

Work Experience

2014 - PRESENT

Senior Front-end Developer, Team Lead

Gamesys, Ltd.
  • Implemented a player profile system as part of the poker application team. Developed core connectivity and player profile integration with Facebook.
  • Led a team to build a configuration system for the games and was one of front-end developers responsible for building multiple UI applications using Angular.
  • Made product definition decisions to help make the product as good as it can be.
  • Improved the continuous delivery infrastructure.
Technologies: MongoDB, Java, Angular, CometD, Backbone.js
2011 - 2014

Web Application Developer

  • Wrote a number of Facebook applications using PHP and MySQL.
  • Built a custom recruitment/employment platform in PHP and MySQL designed to automatize the recruitment process and centralize data from past, current, and future placements.
  • Built an employment system for restaurant networks.
Technologies: MySQL, PHP, AngularJS
2004 - 2012

Internet Systems Administrator

  • Developed client's database system with reminders of unpaid invoices, invoice generation, traffic usage, and general service management.
  • Designed and worked on 80% of all infrastructure.
  • Managed mail, web, DNS, DHCP, and other services, all tightly integrated with the client's database.
  • Implemented BGP routing, peer-to-peer services (with other networks), and always-on network configurations.
Technologies: PostgreSQL, C, Perl
2010 - 2010

Systems Administrator

UAB “Vardas.LT”
  • Managed VPS-based solutions including mass web hosting, mail services, DNS, dynamic DNS, and backup.
  • Built a web-based dynamic DNS service.
  • Optimized mail server performance (specifically, through implementation of postfix with file database-backed static lookup maps).
Technologies: Virtual Private Servers
2001 - 2003

Internet Systems Administrator

UAB “Socius Tuus”
  • Built cable internet and wireless network infrastructure.
  • Configured internet services, such as DNS, Mail, WWW, NTP, and BGP.
  • Developed the client's database with accounting/billing management automation.
Technologies: HTTP, BGP, ntpd, Server Configuration, Mail, DNS
2000 - 2001

Internet Systems Administrator

UAB “Parabole”
  • Configured a cable internet system.
  • Handled configuration and administration of internet services, such as DNS, Mail, WWW, and FTP.
1997 - 1997


ĮI Vladimir Sinenkij
  • Created a billing accounting system for products (FoxPro).
Technologies: Programming



Linux, OpenBSD, FreeBSD, MacOS, Google App Engine, NetBSD, BSD, Docker, Amazon EC2, Magento


Unix Shell Scripting, Angular Bootstrap, Virtual Private Servers, DNS, Mail, Server Configuration, BGP, HTTP, Programming, Iptables


TypeScript 2, TypeScript, JavaScript, C, PHP, Perl, Java, Python, Assembler x86, Assembler PPC


Symfony, AngularJS, Angular, Laravel, CodeIgniter


Facebook API, Backbone.Marionette, Backbone.js, jQuery UI, jQuery, Twitter API, PayPal API, Google Maps, LibC


Bitbucket, NGINX, Subversion (SVN), Git, CVS, VPN, GitHub, GNU Toolchain, ntpd, CometD, Ansible Tower, Ansible, GTK+


Test-driven Development (TDD), Agile Software Development, Pair Programming, Responsive Web Design (RWD), Behavior-driven Development (BDD)


MySQL, PostgreSQL, MongoDB, Microsoft SQL Server, Sybase


2008 - 2010

Bachelor’s Degree in IT and Telecommunications

Vilniaus Gedimino Technikos Universitetas - Vilnius, Luthuania