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Avatar del usuario
$50 USD / hora
Bandera de UNITED STATES
$50 USD / hora
Aquí son las 3:41 p. m.
Se unió el diciembre 27, 2006
12 Recomendaciones

John W.

@johnhwardjr

4,9 (42 comentarios)
7,6
7,6
93%
93%
$50 USD / hora
Bandera de UNITED STATES
$50 USD / hora
98 %
Trabajos finalizados
98 %
Dentro del presupuesto
99 %
A tiempo
18 %
Tasa de recontratación

Specializing in GPS Tracking Systems since 2012

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

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Portafolio

2640232
408528
408030
408295
2640232
408528
408030
408295

Comentarios

Cambios guardados
Mostrando 1 - 5 de 43 reseñas
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5,0
$1.200,00 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.
PHP
Java
JavaScript
Software Architecture
DotNetNuke
+1 más
U
Bandera de Moe K.
@ultrajazz
hace 4 años
4,4
$750,00 USD
expert in his field
PHP
Software Architecture
DotNetNuke
MySQL
GPS
+1 más
Avatar del usuario
Bandera de Vladimir J.
@webberz
hace 6 años
5,0
$750,00 USD
Efficiency!
PHP
Website Design
Linux
MySQL
HTML
D
Closed User
@dejaiman
hace 6 años
5,0
$750,00 USD
super professional , he know what his skill and you will not disappoint once you see the result .
Java
JavaScript
Software Architecture
MySQL
B
Bandera de Jt J.
@birdcoat
hace 7 años

Experiencia

Full Time Self Employed Independent Contractor / Freelancer

Various buletin boards, businesses and local home customers
ene 2006 - Presente
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

Network Support Engineer 4

Inforonics, LLC, Littleton, MA
feb 2005 - dic 2005 (10 meses, 1 día)
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

C/C++ Programmer

IPS of Boston, South Easton, MA
feb 2002 - abr 2004 (2 años, 2 meses)
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

Educación

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

United States 1986 - 1987
(1 año)

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

United States 1978 - 1980
(2 años)

Calificaciones

Sharp Authorized Service Technician

Sharp Electronics, Corporation
1985
Certified by Sharp Electronics Corporation to service their Cash Registers and Point Of Sales equipment

Publicaciones

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.

Contacta John W. sobre tu trabajo

Inicia sesión para comentar cualquier detalle por chat.

Verificaciones

Freelancer preferente
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Email verificado
Facebook conectado

Certificaciones

freelancer_orientation.png Freelancer Orientation 1 85%
dotnetnuke-1.png DotNetNuke 1 80%
us_eng_1.png US English 1
numeracy_1.png Basic Numeracy 1 88%
unix_1.png Unix 1 85%

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