EXPLORE

DotNetNuke Java JavaScript PHP Software Architecture
Profile cover photo
User Avatar

John W.

@johnhwardjr

4.9
42

7.6

7.6

98%

Specializing in GPS Tracking Systems since 2012

$50 USD / Hour

Flag of

United States (11:27 PM)

Joined on December 27, 2006

12 Recommendations

$50 USD / Hour

o Custom coding and socket I/O development for GPS software using Java o Customization of OpenGTS / GTS Enterprise (GTSE) GPS / Telematics software o OpenGTS / GTSE Device Communications Server (DCS) development o Configuration and, customization of Traccar GPS tracking web app o Software development in many languages & operating systems o Analog and digital component level troubleshooting

Verifications

On time

99%

On budget

98%

Accept rate

93%

Repeat hire rate

18%

Portfolio

Portfolio

2640232
408528
408030
408295
2640232
408528
408030
408295
4.9 · 42 Reviews
Reviews
U

Project for John W. -- 2 $1,200 USD

John was prompt, professional and curtious in his dealings with me regarding this task. He was within budget and his charges were very reasonable. I look forward to dealing with him on future projects together.

Moe K.

@ultrajazz

Flag of

Welshpool, Australia

5 years ago

Share

S

System Administrator for GTSE with OpenGTS, JAVA/J2EE experience to maintain/troubleshoot/develope ₹110,228.75 INR

True Hero in GTSE

Saket K.

@SaketKhatore

Flag of

barbil, India

6 years ago

Share

User Avatar

Project for John W. -- 2 $750 USD

expert in his field

Vladimir J.

@webberz

Flag of

Woodbrook, Trinidad and Tobago

7 years ago

Share

D

Install traccar $750 USD

Efficiency!

Former Client (inactive)

Share

B

opengts customization $750 USD

super professional , he know what his skill and you will not disappoint once you see the result .

Jt J.

@birdcoat

Flag of

rowland heights, United States

8 years ago

Share

Experience

Full Time Self Employed Independent Contractor / Freelancer

Jan, 2006 - Present

19 years, 10 months

Various buletin boards, businesses and local home customers

Jan, 2006 - Present

19 years, 10 months

Working a wide range or projects on various bulletin boards. Projects include eCommerce, web portal development, and desktop applications. Since 2012 my efforts have been concentrated on GPS tracking software exclusively. GPS related software and, technologies include: o OpenGTS / GTS Enterprise, Traccar and, other GPS web apps o GPS Devices o development of GPS device socket I/O, listeners & servers o Mapping o Reverse Geooding o SMS Gateways

Jan, 2006 - Present

19 years, 10 months

Network Support Engineer 4

Feb, 2005 - Dec, 2005

10 months

Inforonics, LLC, Littleton, MA

Feb, 2005 - Dec, 2005

10 months

Full time regular employment o Member of team which monitored internet servers and network infrastructure o Provided level 4 application support to over 180,000 customers on both Linux/Apache/MySQL/PHP and Windows 2000/IIS 5/MS SQL/ASP .NET platforms o Resolved issues related to databases, email, installation of software, use of design tools and coding of web sites o Some languages used include Cold Fusion, ASP/ASP .NET, VB, C#, PERL, PHP and Unix shell scripts

Feb, 2005 - Dec, 2005

10 months

C/C++ Programmer

Feb, 2002 - Apr, 2004

2 years, 2 months

IPS of Boston, South Easton, MA

Feb, 2002 - Apr, 2004

2 years, 2 months

Full time contractor position o Member of team which developed software for retail and OEM distribution using Visual C++ v6 o Code, debug and test positive payment, check printing and ACH applications o Code, debug and test DLL's to facilitate communications with financial institutions o Developed and documented test procedures and scripts o Documented source code o Code and debug utilities to streamline day to day development activities

Feb, 2002 - Apr, 2004

2 years, 2 months

Education

Pascal and FORTRAN courses at University of Lowell, Lowell, MA

1986 - 1987

1 year

Flag of

United States

1986 - 1987

1 year

Eletronics Program and High School Diploma, Nashoba Valley Regional Technical High School

1978 - 1980

2 years

Flag of

United States

1978 - 1980

2 years

Qualifications

Sharp Authorized Service Technician

1985

Sharp Electronics, Corporation

Certified by Sharp Electronics Corporation to service their Cash Registers and Point Of Sales equipment

1985

Publications

Test Procedures For The Tranti Systems Model 28

Tranti Systems, Inc. Billerica, Massachusetts

Test procedures for Tranti Systems Electronic Cash Register Model 28. A guide for testing and trouble shooting. Used by the production, field service, repair and final test departments.

Test Procedures for Tranti Model 21

Tranti Systems

Test procedures for Tranti Systems Electronic Cash Register Model 21. A guide for testing and trouble shooting. Used by the production, field service repair and final test departments.

Certifications

Freelancer Orientation

Freelancer Orientation

D

DotNetNuke

US English - Level 1

US English

Basic Numeracy - Level 1

Basic Numeracy

Unix - Level 1

Unix

F

Foundation vWorker Member

Registered Users

Total Jobs Posted

Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)

Copyright © 2025 Freelancer Technology Pty Limited (ACN 142 189 759)