01 Personal site · Bangladesh
Hi, I’m Sayman.
I build useful software.
I’m a software developer from Bangladesh. I work across mobile and web, turning loose ideas into calm, well-sorted products that people can actually use.
Android · Web · AI
2026
02 Selected work
A few things I’ve made, helped make, or am still figuring out.
03 A little about me
The short version, without the résumé voice.
I like the moment when a product stops feeling complicated and starts feeling obvious.
At Umber Lab Limited, I work across UI, business logic, APIs, and release engineering. Outside of work, I build small tools around AI, speaking practice, and developer productivity. I’m happiest somewhere between the first sketch and the first person who says, “this is easier now.”
Read the longer version →RIGHT NOW
Most people learn to type a language, not to speak it. I’m building tools that help speak English.
Software that reduces noise instead of adding to it.
A quiet corner of the web for writing and public R&D notes.
04 Where I’ve been
A compact view of the work that shaped how I build.
Software Developer
Umber Lab Ltd · Present
Building web and mobile products in a small team — from feature work to shipping releases.
Independent Builder
Personal projects · Ongoing
Research, prototypes, and small tools that explore AI, speaking practice, and developer productivity.
05 Notes from the work
Writing about product decisions, technical edges, and the parts worth remembering.
06 Open channel
Let’s make something useful.