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$50 USD / hour
Flag of POLAND
warsaw, poland
$50 USD / hour
It's currently 6:45 PM here
Joined October 21, 2014
0 Recommendations

Digitalheads

@digitalheads

5.0 (1 review)
3.1
3.1
100%
100%
$50 USD / hour
Flag of POLAND
warsaw, poland
$50 USD / hour
100%
Jobs Completed
100%
On Budget
100%
On Time
N/A
Repeat Hire Rate

Web/Mobile Development

- 13 years of web applications development (Ruby on Rails, Javascript) - 3 years of Objective-C development - 10 years of Java application servers/middleware and internet services infrastructure support - 10 years of hosting infrastructure management, linux servers and internet services administration Main expertise: - Back end development: Ruby on Rails, Objective-C/Swift, API only apps - Front end: Javascript(vanilla, Backbone, Angular, Vue), , HAML/SLIM, Bootstrap, material frameworks, SASS, webpack, single page apps - Mobile development: iOS/Swift/Obj-C, Progressive web apps with javascript - Test Driven Development (RSpec, js unit tests, jasmine, karma, mocha etc, cypress and nightwatchjs) - Continuous integration, automated builds and deployments - Middleware and web hosting infrastructure administration: (IBM Websphere Application Server 5, 6, 7 and 8, IBM Webshpere Portal 5, 6 and 7, IBM MQ series, IBM Websphere Commerce Server, Tomcat, JBoss, Webseal and WebLogic), Big-IP F5 appliances, proxy servers and load balancers - Automation/Containers: Chef, Puppet, Ansible, Docker - Server/services administration: Linux/Unix (Debian based distros), proxy servers, Apache/Nginx, DNS - Bind, Mail servers - Postfix - Databases: Postresql, Mysql, Redis, nosql databases, db maintenance, clustering and replication - Messaging queues: IBM MQ Series and RabbitMQ - Auxiliary services: Solr, Elk Stack, Grafana - Monitoring: Nagios, Icinga - Shell scripting (bash/zsh) - LDAP: IBM Directory Server - Debugging: web communication protocols and TCP/IP networking suite, APIs debugging and testing - Security: Web application and web services security assessment and pen testing, network and hosts intrusion detection, log monitoring, file integrity monitoring - Performance tuning: Web application and web services performance tuning and testing, load testing - PAAS: AWS, Heroku, Digital Ocean - CVS: Git

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Reviews

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5.0
$350.00 USD
Professional, results-oriented and fast. And super honest. Great developer!
Website Design
Ruby on Rails
jQuery / Prototype
Bootstrap
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Flag of Pablo M.
@pamaramb
•
8 years ago

Experience

Senior Full Stack Developer

Raffine
Jan 2017 - Present
Building CMS for Jaguar and Landrover websites worldwide. Technologies used: Ruby on Rails, Vue, Mysql, AWS

iOS/OSX/Web developer

Digitalheads
Jan 2009 - Present
Ruby on Rails, JavaScript and iPhone apps development. Hosting infrastructure management.

Senior Ruby Developer

Foxylead
Jan 2016 - Jan 2017 (1 year)
Rails + Angular + vanilla Javascript application development.

Education

Masters, Computer Science

Politechnika Warszawska, Poland 2002 - 2009
(7 years)

Qualifications

HTML5 Game Development

Udacity
2013
"This course will walk you through the major components of building GRITS, an HTML5 game. We'll talk about how to take standard game development techniques, and use them to create high performance HTML5 applications."

Publications

Instant Haml

Packt Publishing
A practical guide which shows you a number of examples of Haml usage and then lets you dive into more advanced features to help you take full advantage of rapid development of view templates in your Rails applications. This book will show you how you can use Haml to create beautiful, easily maintainable and concise view templates without the hassle of writing in HTML.

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Certifications

ruby.png Ruby 1 90%
us_eng_1.png US English 1 88%
freelancer_orientation.png Freelancer Orientation 1 75%
ruby-on-rails.png Ruby on Rails 1 57%
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