Profile image of gitgis
@gitgis
Flag of Poland Szczecin, Poland
Member since August, 2011
4 Recommendations

gitgis 

* 12 years of PHP (Zend1, Symfony2, Doctrine2, Debug, Optimisation techniques) * 5 years of Java developement (Servlets, JSP, JDBC, JPA, Hibernate, JAX-WS, JAX-RS, JAXB, Jackson, Guice, Guava, Maven, Java concurrency) * HTML (JavaScript, jQuery, CSS3) * DB (MySQL, PostgreSQL, MongoDB) * GIS (Google Maps API, MapTP API, OpenLayer, PostGIS, MongoDB) * Other (GIT/SVN/CVS/Hg, Jenkins, Linux Admin, Facebook & Google Data APIs,) * Excelent problem solving skills * Quality and clean code oriented * Born to code
$50 USD/hr
13 Reviews
6.6
  • 93%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • 38%Repeat Hire Rate

Recent Reviews

  • image of Anon12345 MAIN SALES CRM $6998.00 USD

    “We love Greg! He's easy to communicate with & delivers what we want. He's completed 3 high quality products for us despite the only form of communication being email.”

    Anon12345 Flag of United States 10 months ago.
    • PHP
    • Java
    • AJAX
    • MySQL
  • image of lynx77 Create a layer on top of Google Maps which shows the direction of the sun at every chosen date - repost $2916.00 USD

    “Gitgis overdelivered on every point possible. Very flexible, very savvy. Great communication. Would hire him again and again and again.”

    lynx77 Flag of Netherlands 1 year ago.
    • Javascript
    • XML
    • AJAX
    • Software Architecture
  • image of Anon12345 Minor changes to Junk CRM $300.00 USD

    “Greg is very easy to work with. Always willing to accommodate what we wanted. My employees are very happy with the final result.”

    Anon12345 Flag of United States 1 year ago.
    • PHP
    • Hire me
  • image of Anon12345 Customized Customer Relationship Management Database (Custom CRM) [Sealed]

    “It was a pleasure working with Greg. He helped us create a Customer Relationship Management software from scratch exactly to our specs.”

    Anon12345 Flag of United States 1 year ago.
    • PHP
    • XML
    • User Interface / IA
    • Software Architecture
    • Database Administration
  • image of beyond88 Whatsapp Mass/Bulk sms software $1237.00 USD

    “One of the best freelancers we have worked with. Responsible in providing us a quick fix and patch when we need them, and communication is superb! Really patient when working with our requirements, and would definitely hire this person again.”

    beyond88 Flag of Malaysia 1 year ago.
    • Software Architecture
  • image of Djor Channel + program json files to wordpress posts $1065.00 USD

    “Greg did it a really great job! He is really easy and fast to communicate with and he also give excellent advise to make the project better. I hope to continue working with him.”

    Djor Flag of Netherlands 1 year ago.
    • PHP
    • MySQL
    • Hire me

Education

Master Degree

2004 - 2006 (2 years)

Engineer degree

1999 - 2002 (3 years)

Certifications

M101J (2013)

The MongoDB Company

JSON, schema design, querying, insertion of data, indexing and working with language drivers.

M102 (2013)

The MongoDB Company

10gen's MongoDB for DBAs / Administrators

Publications

Introduction to Restlet

Introduction to Neo4J

API Driven Developement

MySQL optimisation techniques

Badges

  • The Prospector

    Post your first project.
  • The Selector

    Award 1 contest.
  • Contest Host

    Post a contest.
  • Simply the Best

    Complete 5 or more projects, with a 95% completion rate.
  • The Critic

    Post 10 Reviews.
  • Feedback Guru

    Receive 10 reviews
  • Perfectionist

    Receive 5-star ratings in 90% of your completed projects (minimum 10 projects).
  • The Economist

    Complete 10 projects on budget.
  • Frequent Visitor

    Log in in every day for 1 month.
  • The Regular

    Log in every day for 1 week.
  • Smart Money

    Create 10 Milestones.
  • Neighbourhood Watch

    Reporting a user who violates our terms of service
  • The Collector

    Reach a balance of 5,000 credits.
  • US English Qualified

    Pass the US English Exam (Level 1)
  • The Seeker

    Bid on 20 projects.
  • All Star

    Receive a 5-star rating for a project.
  • The Adventurer

    Complete your first project.
  • Warren Buffet

    Complete a project worth over $1000 USD.
  • High Roller

    Complete a project worth over $500USD (or equivalent) on Freelancer.com.
  • The Verified

    Verify your payment method
  • The Enforcer

    Reporting a project or contest that violates our terms of service.
  • The Perfectionist

    Edited a bid.
  • Nine-to-Fiver

    Win a project and accept the offer.
  • The Collector

    Reach a balance of 5,000 credits.
  • Warren Buffet

    Complete a project worth over $1000 USD.
  • Simply the Best

    Complete 5 or more projects, with a 95% completion rate.
  • Perfectionist

    Receive 5-star ratings in 90% of your completed projects (minimum 10 projects).
  • The Economist

    Complete 10 projects on budget.
  • Frequent Visitor

    Log in in every day for 1 month.
  • Smart Money

    Create 10 Milestones.
  • All Star

    Receive a 5-star rating for a project.
  • High Roller

    Complete a project worth over $500USD (or equivalent) on Freelancer.com.
  • The Prospector

    Post your first project.
  • The Selector

    Award 1 contest.
  • Contest Host

    Post a contest.
  • The Critic

    Post 10 Reviews.
  • Feedback Guru

    Receive 10 reviews
  • The Regular

    Log in every day for 1 week.
  • Neighbourhood Watch

    Reporting a user who violates our terms of service
  • US English Qualified

    Pass the US English Exam (Level 1)
  • The Seeker

    Bid on 20 projects.
  • The Adventurer

    Complete your first project.
  • The Verified

    Verify your payment method
  • The Enforcer

    Reporting a project or contest that violates our terms of service.
  • The Perfectionist

    Edited a bid.
  • Nine-to-Fiver

    Win a project and accept the offer.

Exams

  • US English Level 1
    95%

My Top Skills

  • PHP 10
  • Software Architecture 6
  • MySQL 5
  • Java 2
  • Javascript 2
  • Linux 2
  • AJAX 2
  • Facebook Marketing 1
  • CSS 1
  • Agile Development 1
  • Software Development 1
  • Website Design 0
  • Web Security 0
  • J2EE 0
  • eCommerce 0
  • Software Testing 0
  • Test Automation 0
  • Zend 0
  • Cryptography 0
  • Shell Script 0
  • NoSQL Couch & Mongo 0
  • Nginx 0
  • Usability Testing 0
  • HTML5 0
  • Mathematics 0
  • jQuery / Prototype 0
  • GPS 0
  • Symfony PHP 0
  • Website Management 0
  • Scrum Development 0
  • Google Web Toolkit 0
  • Puppet 0
  • PostgreSQL 0

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