Portfolio / 2026Available for meaningful workBangladesh

I build for people,
not just pixels.

Mahir Daiyan Safwaan is a product-minded engineer building accessible technology, intelligent tools, and ventures with a reason to exist.

Explore selected work Resume

World champion

E-ICON · 1st place among 40+ nations

Founder & builder

2.5 lakh seed-funded civic-tech startup

EE sophomore

RUET · electronics & VLSI

Building acrossReact NativeNext.jsAI systemsEmbedded systemsVenture design

01 / Selected work

Work with a pulse.

A small selection of products where technology gets out of the way and makes a real difference.

Build4Democracy Champion

Civic accessibility

ShadhinAI

A seed-funded, accessibility-first voting platform with haptic and audio feedback, built with 5+ NGOs to support seniors and persons with disabilities.

React NativeFirebaseWCAG 2.1

Role/Founder & CEO

Global health

UntilTheEU

A behavioral tracking app designed to support earlier intervention and more personal mental health care.

React NativeBehavioral dataCross-platform

Role/Full-stack developer

Community aid

Help A Remian

A transparent rapid-response donation platform connecting people with direct help and verified updates.

Next.jsPaymentsReal-time

Role/Full-stack developer

Solvio Hackathon · Top 50

Business intelligence

Bishleshok AI

An AI-led business intelligence concept for local SMEs, focused on actionable sales and inventory insight.

NLPPythonData viz

Role/AI engineer

Recognition

An idea from Bangladesh. A stage in Korea.

Ranked #1 globally at the E-ICON World Contest and honoured with the Ministry of Education Award, Korea, for SDG-focused innovation.

See the story

02 / The trajectory

Always in motion.

From embedded systems and rocketry to venture building, the through-line is ambitious engineering that lands in the real world.

Grand Finale pitch

Gigalogy Technopreneurship Program

A final pitch shaped across a 15-week programme, five elimination rounds, and seven workshops—from product prototype to venture story.

Dec 2025 — Apr 2026Program finalist

Aug 2024 — Dec 2025

Amateur Experimental Rocketry BD

Avionics, GNC & propulsion specialist. Built a ground-control system with real-time telemetry, NASA Open MCT, MQTT, and precision gimbaling.

Apr 2024 — Oct 2024

Dhumketu Exploration

Embedded systems & avionics intern engineering STM32 PCBs in Altium and tuning PID loops and particle filters for flight vehicles.

Sep 2024 — present

RUET

B.Sc. in Electrical & Electronic Engineering · Sophomore. Exploring the overlap of electronics, VLSI design, and software.

Jan 2023 — Dec 2023

Dhaka Residential Model College

Vice-president of the IT Club and a lead organiser for the 5th DRMC International Tech Carnival—serving 1,000+ participants with 100+ volunteers.

03 / The printed word

Teaching is
a form of building.

A book made for the next curious mind—because technical fluency should not depend on the language you first learned in.

Published author

Bits to light.
Zero to robot.

A Bangla guide to Arduino, electronics, and code that makes difficult ideas feel close at hand. Built around visual thinking, real examples, and the confidence to debug.

Inside the book

— Basic I/O control
— Circuit stability
— Non-blocking timing
— Signal processing
— Bare-metal access

Made to unstick you

From compiler errors to a robot's behaviour, learn how to trace the signal and think like a builder.

Step-by-step learning

Read the free preview

Beyond the code

Precision is a practice.

Mahir represents RUET in national table tennis—an extension of the same patience, speed, and composure brought to building products.

Let's build something real

Have an idea with stakes?

Say hello LinkedIn GitHub

I build for people,not just pixels.