Services

SaaS architecture and product development

I work with founders and teams who need a SaaS product designed, built, or scaled, from the first tenant model to production operations.

What I do

Abdul Mannan Zinnat working on a laptop with the WhatsAble site on a wall screen

Multi-tenant architecture, billing, roles, analytics, and lifecycle operations.

SaaS development

01
Abdul Mannan Zinnat and two teammates around a meeting table with a product page on screen

Laravel, Vue.js, React, and Node.js with clean modular patterns and good developer experience.

Web app architecture

02
Abdul Mannan Zinnat seated at his office desk at SpaGreen Creative

Payments, messaging, webhooks, workflows, and third-party API integrations.

AI automation

03
Abdul Mannan Zinnat kneeling for a studio portrait in a blue blazer

Human-centered design, conversion-focused flows, and brand systems.

UI/UX and branding

04
Abdul Mannan Zinnat seated beside a guest in the office

Cloud, CI/CD, observability, performance budgets, and SRE basics.

DevOps and reliability

05
Abdul Mannan Zinnat in front of the BASIS IT Exporters’ Night backdrop

Funnels, experiments, attribution, and data-driven go-to-market strategy.

Growth and analytics

06

How I work

In the room with the team, the product open on the screen, and the people who will use it across the table.

Abdul Mannan Zinnat working on a laptop with the WhatsAble site on a wall screen
Working on WhatsAble
Abdul Mannan Zinnat and two teammates around a meeting table with a product page on screen
Product review with the team
Abdul Mannan Zinnat seated beside a guest in the office
A meeting at the office

Selected
works

View all work
  1. 01SocialVibes Social Media Management
  2. 02SaleBot AI Chatbot
  3. 03WhatsAble Messaging Platform
  4. 04Rapiwa WhatsApp API
  5. 05Drix Courier Management
  6. 06YOORI Ecommerce Marketplace

Clients
review

A rare blend of product vision and engineering execution. We shipped a reliable platform faster than expected.

AAlex M.CTO, E-commerce Startup

Clean architecture, clear communication, and measurable growth. Highly recommended for scalable SaaS.

SSarah J.Founder, SaaS Company

Mannan’s team brought our idea to market with a scalable foundation and beautiful UX. True professionals.

MMichael R.Product Lead, Fintech