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ahasan_nahid

Ahasan H

@ahasan_nahid

Fullstack Developer, Building SaaS products, Meta API chatbots and AI automation

Bangladesh
English, Bengali
About me
Full-stack developer with nearly 3 years of experience building production SaaS, WhatsApp/Meta API automation, and real-time messaging systems. Shipped: ✓ Multi-tenant WhatsApp SaaS with chatbot & billing ✓ Real-time team inbox for an Australian enterprise ✓ AEO/GEO platform cited by AI search tools ✓ Automated n8n lead pipeline with zero manual handoffs Stack: React, Next.js, TypeScript, Redux, Tailwind, Node.js, Express, Socket.IO, Prisma, PostgreSQL, MongoDB, MySQL, Meta/WhatsApp API, HubSpot, Zoho, Razorpay, n8n, Make, Apify, Claude API. Let's build together! ... Read more

Skills

a
ahasan_nahid
Ahasan H
Offline • 
Average response time: 1 hour

See my services

Generative Engine Optimization
I will build an SEO aeo GEO optimized website for google and ai search
From$50 / projectMore details
Custom Websites
I will design and develop a modern SEO and ai visibility landing page
From$80 / projectMore details

Portfolio

Work experience

Software Engineer

DataVro Agency • Full-time

Jul 2025 - Present • 1 yr 2 mos

Built full-stack features for client portals and SaaS products using React, Node.js, Express, and PostgreSQL. Developed WhatsApp Business API chatbots and automation workflows integrated with Zoho CRM and AI pipelines. Delivered real-time messaging systems with Socket.io, admin dashboards, and cloud deployments on DigitalOcean and Vercel. Also handled SQA, API testing, and regression testing across all shipped features.

Biz_Growth Lab

Web Developer and SaaS Growth Specialist

Biz Growth Lab • Freelance

Dec 2024 - Present • 1 yr 9 mos

Built responsive marketing web apps, landing pages, and internal dashboards with React and Next.js for SaaS clients in the US and Canada. Ran technical SEO, AEO, and GEO audits to improve visibility in search engines and AI discovery tools. Set up CRM and marketing automation across n8n, Zapier, ActiveCampaign, HubSpot, and Go High Level for lead funnels and outbound campaigns.