Browse categories
Explore
Fiverr Pro
English
$
USD
Barshan Hassan
@barshan_hassan
WhatsApp Business API Integration Expert
Pakistan
About me
WhatsApp Official API Developer - Meta Tech Provider
With 7+ years of experience in full-stack development and messaging API integration, I specialize in building scalable, secure, and high-performing communication platforms using Meta (WhatsApp) Cloud API, Twilio, 360Dialog, and custom messaging gateways.
Whether you want to automate customer conversations, integrate real-time chat, or build an AI-powered communication assistant, I help you move from idea → architecture → production with confidence.
Let’s Connect and build something that actually communicates.
Regards,
Barshan Hassan
Skills
Barshan Hassan
Offline •
See my services
Full Stack Web Applications
I will integrate whatsapp cloud API and develop chatbots
Portfolio
Work experience
Sr. Software Engineer
Elixir Technologies • Full-time
May 2024 - Dec 2025 • 1 yr 7 mos
Elixir is a leading company customer communication management platform. As a Java Software Engineer my responsibilities are: Solved business-critical problems ensuring minimal downtime for financial clients. Enhanced legacy JavaEE systems, resolving performance bottlenecks and improving scalability. Developed and maintained backend APIs for high availability and cost efficiency. Extensively utilized Jenkins and CI/CD pipelines to enable smooth and automated deployments across environments. Implemented Kafka for real-time message streaming and event-driven communication between microservices. Contributed to an Agile squad working on a Customer Communication Management (CCM) platform serving banking and insurance clients. Led a team of 5 engineers, providing technical mentorship, reviewing code, and guiding architectural decisions. Collaborated with FinTech and insurance partners to ensure compliance, data security, and regulatory alignment. Focused on building resilient, scalable, and secure systems powering digital banking and policy management workflows.
17 Reviews
| (17) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Recommend to a friend
- Service as described
1-5 out of 17 Reviews
Sort By
Most relevant
kayvanf
United States
very responsive and honest developer. i appreciate the quality and delivery very much. will work with you again.
$50-$100
Price
Full Stack Web Applications
Helpful?
shadowow
Lithuania
Amazing seller, really responsive and extremely professional
$50-$100
Price
Full Stack Web Applications
Helpful?
traciereed
United States
Helpful?
chrischannel
United States
Ongoing collaboration
Excellent seller. Goes way above and beyond, smart helpful and follows through. Thank you!
$50
Price
Full Stack Web Applications
Helpful?
chrischannel
United States
Ongoing collaboration
Excellent seller. Goes above and beyond to accomplish the job and is willing to work part of a larger team. Great problem solver for unique tech solution. Thank you!
$50-$100
Price
Full Stack Web Applications
Helpful?
