Grzegorz G. Profile | Freelancer

5.0

(14 reviews)

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$70 USD / hour

szczecin,

$70 USD / hour

It's currently 1:44 AM here

Joined August 4, 2011

4 Recommendations

Grzegorz G.

@gitgis

5.0

(14 reviews)

6.6

6.6

100%

100%

$70 USD / hour

szczecin,

$70 USD / hour

100%

Jobs Completed

100%

On Budget

100%

On Time

44%

Repeat Hire Rate

Web applications

* 18 years of Web Development - JavaScript (VueJS, NodeJS), TypeScript, CSS3 * 9 years of Java developement (Servlets, JSP, JDBC, JPA, Hibernate, JAX-WS, JAX-RS, JAXB, Jackson, Guice, Guava, Maven, Java concurrency) * 17 years of PHP * DB (MySQL, PostgreSQL, MongoDB) * GIS (Google Maps API, MapTP API, Leaflet, OpenLayer, PostGIS, MongoDB) * Other (GIT/SVN/CVS/Hg, Jenkins, Linux Admin, Facebook & Google Data APIs,) * Excellent problem solving skills * Quality and clean code oriented * Born to code

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Reviews

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Showing 1 - 5 out of 14 reviews

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5.0

$444.00 USD

Convert our existing 11-pages website to Hugo

Absolutely brilliant! It was a pleasure to work with Grzegorz. He added a lot of know-how to this project with suggestions and recommendations. We already started another project. STRONGLY recommend!

Patrice L.

@nouxiouss

•

5 years ago

5.0

$6,998.00 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.

A

Ryan D.

@Anon12345

•

10 years ago

5.0

$2,916.00 USD

Create a layer on top of Google Maps which shows the direction of the sun at every chosen date - repost

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

Software Architecture

L

Rogier G.

@lynx77

•

10 years ago

5.0

$300.00 USD

Minor changes to Junk CRM

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

A

Ryan D.

@Anon12345

•

10 years ago

5.0

$1,813.90 USD

Customized Customer Relationship Management Database (Custom CRM)

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

A

Ryan D.

@Anon12345

•

10 years ago

Education

Master Degree

Politechnika Szczecinska,

Poland

2004 - 2006

(2 years)

Engineer degree

Politechnika Szczecinska,

Poland

1999 - 2002

(3 years)

Qualifications

The MongoDB Company

2013

10gen's MongoDB for DBAs / Administrators

The MongoDB Company

2013

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

Publications

MySQL optimisation techniques

PHP Solution Magazine

API Driven Developement

http://2013.devcrowd.pl/

Introduction to Neo4J

http://2013.4developers.org.pl/pl/

Introduction to Restlet

Szczecin JUG

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Facebook Connected

Certifications

US English 1

95%

Top Skills

11

Software Architecture

6

5

3

3

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