Profile image of karlheinz
Member since July 29, 2010
3 Recommendations


Online Offline
I am a developer with more than 10 years of experience. My skills include JavaScript (jQuery, AngularJS, Angular 2+, Node.js, D3.js, Google Maps API, Leaflet, OpenLayers, Overpass API, ArcGIS Javascript API, ArcGIS REST API, Mapbox API), HTML/CSS, PHP (Yii, Slim), NoSQL (MongoDB, CouchDB, PouchDB, Neo4j), SQL (MySQL, MS SQL, PostgreSQL), GIS (PostGIS, ArcGIS, QGIS). I also have experience with C#, C/C++, Swift. I am interested in projects related to maps, cartography, gis, geolocation, data visualization.
$35 USD/hr
85 reviews
  • 100%Jobs Completed
  • 100%On Budget
  • 99%On Time
  • 13%Repeat Hire Rate


Recent Reviews

  • image of kristinmc6 Google Earth- 2 minute project $20.00 USD

    “Quick and easy experience, very helpful!”

  • image of Joseph542 Angular Ionic3 Development $1303.79 AUD

    “Brilliant as always, Thanks again Anatoly!”

  • image of lflorence Google Maps Integration Issue Investigate and Resolve £23.00 GBP

    “I see you have deleted me as a Skype contact and are no longer responding to any messages asking for a progress report. I am very concerned that you have been given write access to my system and now are not responding to messages so I now”

  • image of Joseph542 Cartography Algorithm, Query MongoDB. $35.00 AUD

    “Anatoly has developed an algorithm that queries geo data to MongoDB. His excellent communication skills allowed my team to develop our project in an extremely limited timeline. Anatoly demonstrated great initiative in advising my team on where we could reduce resource usage, which made our project far more efficient. I would highly recommend Anatoly to anyone looking for a skilled and reliable programmer.”

  • image of Vjezminje Fix Google maps directions application €50.00 EUR

    “Everything is working perfectly. I would recommend him to everyone”

  • image of payloadsecurity Animated "Threat Map" for IT-Security Startup $500.00 USD

    “Super satisfied. Great communication, took his time to properly think through the project, followed through with clean code and early POCs. Would hire again anytime --- a true senior.”


Web Developer, Senior Web Developer, Team Leader

Nov 2005 - Dec 2014 (9 years)

Initially developed websites and then managed team working for EPAC Technologies ([login to view URL]). Implemented redmine, scrum, tdd with phpunit and selenium, code review with phabricator, continuous integration with jenkins, phing, php code sniffer, php mess detector, php copy/paste detector.

Software Developer, Web Developer

Jan 2000 - Oct 2005 (5 years)

Developed shopping websites (php, mysql); name matching program based on an n-gram algorithm (c#); qr-code barcode generator (javascript); website to control business trips, tickets, hotel booking, visas and passports ([login to view URL], mssql server); website for admin section of a credit scoring calculation module (jsp, oracle); cd burning application and download manager (visual c++, starburn sdk)


Bachelor's Degree in Computational and Applied Mathematics

1994 - 1999 (5 years)


MongoDB Certified Developer, Associate Level (2014)


[login to view URL]

Professional Scrum Master I (2014)

[login to view URL]

Zend Certified PHP Engineer (2016)


[login to view URL]

Fundamentals of GIS (2016)


Fundamentals of GIS by University of California, Davis on Coursera. Certificate earned on March 22, 2016

GIS Data Formats, Design and Quality (2016)


GIS Data Formats, Design and Quality by University of California, Davis on Coursera. Certificate earned on August 14, 2016

Geospatial and Environmental Analysis (2016)


Geospatial and Environmental Analysis by University of California, Davis on Coursera. Certificate earned on August 28, 2016.

Imagery, Automation, and Applications (2018)


Imagery, Automation, and Applications by University of California, Davis on Coursera. Certificate earned at Wednesday, August 15, 2018


  • US English Level 1
  • UK English 1
  • Google Maps API 1


  • Facebook Connected
  • Preferred Freelancer
  • Payment Verified
  • Phone Verified
  • Identity Verified
  • Email Verified

My Top Skills

Browse Similar Freelancers