REZWAN AHMED SAMI

An engineer.
A leader.
A builder of what’s next.

CTO at Rightbiz / Founder of Gravikon

I build products, lead engineering and turn ambitious ideas into working technology.

Strategy meets execution.

BASED IN SYLHET, BANGLADESH
Building across borders.

Engineering leadershipProduct thinkingAutonomous AISystems architecture

01 / WHAT I’M BUILDING

An idea. A system. A new way to build.

FOUNDER & CREATOR

Gravikon

Describe what you want. A coordinated team of AI agents plans, codes, tests and ships—while you focus on the product.

Discover Gravikon Currently in internal testing

G·IDEA → EXECUTION

✦ “Here’s what I want to build…”

GravikonA coordinated engineering team

PlanFind the path

BuildWrite the code

TestCheck the details

Ready for human reviewShip

Human direction. AI execution.

Always curious. Always building.

02 / THE PERSON BEHIND THE WORK

I’m Rezwan, a self-taught engineer based in Bangladesh. My journey at Rightbiz has taken me from writing code to leading technology.

Today, I bring engineering, product thinking and AI together to help good ideas become useful products.

Think clearly.Build thoughtfully.Keep learning.

03 / MY JOURNEY

Rightbiz Ltd · UK

From hands-on engineering to shaping the bigger picture.

Sep 2023 — Present
Chief Technology Officer
Setting technical direction. Leading engineering and product delivery.
CURRENT ROLE
Apr 2023 — Sep 2023
Lead Product Manager
Connecting product strategy with cross-functional execution.
Oct 2022 — Apr 2023
Product Manager
Turning business priorities into product roadmaps.
Jun 2021 — Oct 2022
Software Engineer
Building the foundations: features, performance and scalable systems.