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Debug existing app

I design a web app that need to be optimize.

It is a gps tracker (based on Traccar) of two parts: a server and a tracker (android app)

Since last modifications from previous coder, tracking sistem is not working and the chrome console show lots of errors.

Need a javascrip specialist with experience

Kĩ năng: JavaScript

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Về Bên Thuê:
( 22 nhận xét ) Villa de Las Rosas, Argentina

ID dự án: #30154723

13 freelancer chào giá trung bình$153 cho công việc này

clientsfirstIT

Hey Dear, Hope you doing well! I have read your project details and you are looking for a developer for Debug existing app that need to be optimize. I am well-versed with my skills. I can start from now. I am a ful Thêm

$250 USD trong 28 ngày
(66 Nhận xét)
6.7
maksimbalashov

Dear client. I have gone through your project detail and understood fully. I am an experienced Javascript developer, so I will satisfy you as you wanted. I'm ready to put my experience to use for you. My goal is the s Thêm

$150 USD trong 2 ngày
(16 Nhận xét)
4.4
freelancersandh1

i am full expert in JavaScript and i know it libraries and i can help you kindly message me i am ready to work on your project share me detail more

$140 USD trong 7 ngày
(6 Nhận xét)
3.9
Osa78

Hi, there. As a javascript expert, I can fix your bug successfully in a short time. Please send me message. Let's discuss more details via chat. thank you Best regards.

$100 USD trong 1 ngày
(3 Nhận xét)
3.6
PoojaRautela417

Hi there, Lets have a quick chat on this project to clear further details. I have rich experience in Python, JavaScript, Web Scraping using(selenium,beautifulsoup,lxml), MYSQL.I have completed similar projects with oth Thêm

$250 USD trong 7 ngày
(4 Nhận xét)
3.6
vw7626886vw

Hello, I hope you are doing well. i can debug your gps tracker app and complete all the requirements ! I have carefully gone through your requirements for Android,iOS and web app. I have Certified expert mobile applica Thêm

$140 USD trong 3 ngày
(2 Nhận xét)
2.8
alekseyaristov

HI, I'm a JavaSript developer you are looking for. As a senior developer, I can assure you the perfect result. I can start work immediately. Please feel free to contact me and discuss more details on chat. Look forward Thêm

$140 USD trong 7 ngày
(2 Nhận xét)
3.0
valeriypanovich1

Hi ⭐⭐⭐⭐⭐ Web/Javascript Expert ⭐⭐⭐⭐⭐ -Can you show me the web app with chrome console error? I have some questions for successful development so can you open the chat box now? Please have a look at the following web Thêm

$50 USD trong 2 ngày
(1 Nhận xét)
2.6
sweb1433

Hello there, I am website developer. I went through your requirements and have a clear image of what you are trying to build. I would like to inform you that me along with my team are able to build similar platform. W Thêm

$140 USD trong 7 ngày
(1 Nhận xét)
2.3
poslovmaksym

Hello Thanks for your posting. I've just read your job detail carefully. I have rich experience Javascript and Javascript frameworks & libraries such as React.JS, Vue.JS, D3.js, [login to view URL], Babylon JS. As a senior devel Thêm

$140 USD trong 7 ngày
(1 Nhận xét)
1.0
Zorionin

Hey Dear, Hope you are doing well in this pandemic! I’ve gone through your project requirements in deep. But I’ve some questions and want to discuss this opportunity in detail. I am an Experienced Programmer having 7+ Thêm

$140 USD trong 7 ngày
(0 Nhận xét)
0.0
EgorioZot

Dear Honorable Client, Warm greeting!! I am equipped with the following JavaScript Technologies: Frameworks: Node.js, React.js, Expressjs, Angular, Vue, Backbone.js, jQuery, Meteor, Ember.js, and Ext.js. Libraries: jQu Thêm

$150 USD trong 7 ngày
(0 Nhận xét)
0.0
josuelmm92

Buen dia disponible para el trabajo, EXPERTO EN LARAVEL, tengo experiencia en lo que quiere hacer. Experto en desarrollado web, movil y escritorio. Puedo hacer lo que requiere. Puedes ver mi trabajo en: https://www.b Thêm

$200 USD trong 3 ngày
(0 Nhận xét)
0.0