Full-Stack Developer for WhatsApp Marketing Web App

Suljettu Julkaistu 2 viikkoa sitten Maksettu toimituksen yhteydessä
Suljettu Maksettu toimituksen yhteydessä

We're seeking an experienced full-stack developer to enhance our existing WhatsApp marketing web application built with React and Node.js. The application currently functions as a WhatsApp marketing center using the [login to view URL] library ([login to view URL]), supporting multiple WhatsApp accounts, chatbot functionality (AI/manual), phonebook management, and template systems.

Key Requirements

Strong experience with React, Node.js, and full-stack development

Experience with WhatsApp Web API integration

Proven track record with SaaS application development

Knowledge of payment gateway integration (Stripe)

Experience with multi-language implementation and RTL/LTR support

Expertise in AI integration and chatbot development

Primary Development Tasks

1. Broadcasting System Implementation

Develop bulk messaging capability with immediate and scheduled sending options

Create campaign management system with:

Template integration

Tag-based contact filtering

Campaign status tracking

Success/failure reporting with detailed error logging

2. Advanced Follow-up System

Create a flexible message flow system allowing:

Tag-based recipient selection

Multiple template message sequencing

Time-based trigger settings

Flow activation/deactivation controls

Custom daily scheduling options

Integration with existing contact management system

3. SaaS Transformation

Implement multi-tenant architecture

Develop comprehensive admin panel

Create user role management system

Integrate Stripe payment processing

Set up subscription management

4. Internationalization

Implement multi-language support

Add RTL/LTR direction switching

Create language management system

5. Admin Control Panel

Develop comprehensive dashboard with:

User management

Subscription package management

Payment settings configuration

Language management

Detailed reporting system

Technical Requirements

Must integrate smoothly with existing React/Node.js codebase

Implement secure authentication and authorization

Ensure scalable database design

Maintain clean, documented code

Implement proper error handling and logging

Ensure mobile responsiveness

Additional Requirements

60-day maintenance period after project completion

Regular progress updates and communication

Code documentation

Knowledge transfer sessions

Timeline

Please provide estimated timeline for completion of all features.

Skills Required

React.js

Node.js

MongoDB/SQL

Stripe API

WhatsApp Web API

REST API Development

AWS/Cloud Services

Git

TypeScript (preferred)

Experience Level

At least 5 years of full-stack development

Previous experience with WhatsApp API integration

Demonstrated SaaS application development experience

Interested candidates should provide:

Portfolio of similar projects

Estimated timeline and cost

Approach to implementing these features

Previous experience with WhatsApp-related development

Available weekly hours for the project

JavaScript React.js AngularJS RESTful Node.js

Projektin tunnus: #38879040

Tietoa projektista

71 ehdotusta Etäprojekti Aktiivinen 2 viikkoa sitten

71 freelanceria on tarjonnut keskimäärin $169 tähän työhön

shivmirthyusl

Hello, I am an experienced full-stack developer with expertise in React, Node.js, and WhatsApp API integration. I have worked on SaaS platforms and can efficiently implement bulk messaging, advanced follow-up systems, Lisää

$140 USD 7 päivässä
(56 arvostelua)
7.5
Rekhathakur

Hi, Warm greetings! After reading and analyzing the job description, I am confident I will handle this project as efficiently as you require. I have 10+ years of experience in Website and Mobile app development with e Lisää

$250 USD 7 päivässä
(46 arvostelua)
6.8
seefattechnologi

Hi-----------OKAY GOT IT the given description/attachments and the mentioned 5 points ----------. I am highly appreciative to work on this specific task to enhance your existing WhatsApp marketing web application bui Lisää

$770 USD 7 päivässä
(72 arvostelua)
7.0
managersingh

Having been in the web and app development industry for over eight years, I understand the intricacies involved in your proposed project. With my experience in implementing APIs like Shipstation, Quickbook, Salesforce, Lisää

$250 USD 7 päivässä
(27 arvostelua)
6.4
bytesblitzz

Dear Abdulrahman, I am excited to apply for this project. At BytesBlitzz, we specialize in designing exceptional and extensive websites and mobile applications using Figma and Adobe XD and then using modern technology Lisää

$140 USD 7 päivässä
(2 arvostelua)
5.8
letshappy

Having worked on similar projects in the past, I understand the requirements for enhancing your WhatsApp marketing web application. Here is a technical approach to address your needs: - Broadcasting System Implementat Lisää

$250 USD 7 päivässä
(37 arvostelua)
5.9
malkesh3m

⭐ Hi, My availability is immediate. I read your project post on Full-Stack Developer for WhatsApp Marketing Web App. We have extensive knowledge in MERN Stack (MongoDB/MySQL, Express JS, React, and NodeJS), as well as Lisää

$230 USD 3 päivässä
(28 arvostelua)
5.3
devbaloni1983

***** Node js expert***** I have more than 15 years of experience in the development As I am an expert, I can build it according to your requirements. Because I have a lot of experience in these fields, I can bui Lisää

$100 USD 7 päivässä
(38 arvostelua)
5.3
mannanmaan1425

Dear Hiring Manager, I am a seasoned full-stack developer with over 4 years of experience in JavaScript, Node.js, React.js, and AngularJS. I have successfully delivered multiple projects in the Saudi Arabian market, m Lisää

$30 USD 1 päivässä
(11 arvostelua)
4.7
iqra137

Greetings Abdulrahman A., I'm thrilled to apply for your Full-Stack Developer for WhatsApp Marketing Web App To see my previous best work, kindly message me, I would love to collaborate with you and show you my por Lisää

$140 USD 3 päivässä
(2 arvostelua)
4.1
junaidhussnain36

Solution to your project based on my expertise: - Implement bulk messaging and campaign management system - Develop flexible message flow system with tag-based selection and scheduling - Transform your app to a multi-t Lisää

$250 USD 7 päivässä
(1 arvostelu)
4.1
decipherzone111

Hello, I have extensive experience in full-stack development, React, Node.js, WhatsApp Web API, and SaaS platforms. I can enhance your app with messaging, AI chatbots, multi-language support, Stripe, and admin manageme Lisää

$139 USD 7 päivässä
(3 arvostelua)
4.1
abdulmoeed138

Hello Abdulrahman A. from Saudi Arabia, I went through your project Full-Stack Developer for WhatsApp Marketing Web App and it seems I am a great fit for this job. You can view my profile and recent reviews. With y Lisää

$140 USD 3 päivässä
(7 arvostelua)
3.7
Bilalguls

With over 5 years of professional experience, I believe I am a perfect match for your project. I have extensive hands-on experience working with Node.js and React.js, the very languages your application is built on. Mo Lisää

$340 USD 7 päivässä
(5 arvostelua)
3.9
Nehag510

Dear Client, As an experienced full-stack developer with over 5 years of expertise in Node.js and React.js, I am confident in my ability to enhance your existing WhatsApp marketing web application. My previous work inc Lisää

$220 USD 7 päivässä
(5 arvostelua)
3.8
encryptedinfoweb

Hello, I am an experienced full stack developer with over 5 years of expertise in building scalable SaaS applications using React, Node.js, and MongoDB/SQL. I have hands on experience integrating APIs, including the W Lisää

$350 USD 20 päivässä
(4 arvostelua)
3.8
oleksandrbosyi

Hello there Abdulrahman A., Good evening! ⚡⚡⚡I HAVE READ ALL YOUR REQUIREMENTS VERY CAREFULLY AND UNDERSTOOD WHAT YOU WANT.⚡⚡⚡ As a top developer with extensive experience in React.js, JavaScript, Node.js, RESTful an Lisää

$130 USD 3 päivässä
(4 arvostelua)
3.4
zeljkoweb

Hello Mate! Thank you for the job posting! I read your project description carefully and got interested. I am skilled in RESTful, AngularJS, JavaScript, React.js and Node.js. I don't like ramble. I am ready to start w Lisää

$200 USD 7 päivässä
(4 arvostelua)
3.2
sameerbakshi1993

Hi! I am interested in your project, kindly let me know when can we connect to discuss this further. Thanks

$150 USD 5 päivässä
(8 arvostelua)
3.3
Zain510

Subject: Full-Stack Developer for WhatsApp Marketing Web App, Hi Abdulrahman, I have over 5 years of experience in graphic design and web development. I create clean, professional designs and websites that are us Lisää

$30 USD 1 päivässä
(1 arvostelu)
2.4