Sajid Kabir Saji

Sajid Kabir Saji

Engineer, builder and wanderer.

Open-source drone research, three businesses, a book, released music, and a blog.

Engineer

Research and flight tools

A 2022 thesis on a solar-powered quadcopter, and the research it grew into: drones that decide for themselves.

 Entrepreneur

Three ventures since 2019

Ekarigori, Rasa Electronics, and Subtle Corp: brand work, electronics trading, and IT services from Chattogram.

 Coder

Freelance to open source

Web development on Upwork from 2013 to 2023 and on Fiverr from 2015 to 2023. Today: seven open-source Python projects, tested and released.

 Creative

A book, released music

Cryptocurrency and Blockchain Explained on Amazon, and the album Meraki on Spotify and other platforms.

 Community

Service on the ground

Volunteer at Bangladesh's first Covid field hospital, a Saint Martin's Island cleanup, and a platform for young founders.

 Sport

Wicket-keeper batsman

Wicket-keeper batsman for Brothers Union Cricket Academy (2009 to 2014), across first-division, second-division, and district leagues. Team captain of Kollol Cricket Academy XI (2010 to 2012).

Featured work

Three of the seven open-source projects. Each has a full test suite, continuous integration, and a public release, so every number can be checked against the code.

Autonomy

drone-autonomy-sim

A drone that senses, plans, replans, and decides when to come home, with a logged reason for every decision.

GitHub   All projects

Defence

counter-uas-sim

Counter-drone defence simulation: a low-cost interceptor concept at USD 550 per successful intercept in simulation, against a five-figure missile estimate.

GitHub   All projects

Solar flight

solar-uav-sim

24-hour energy balance for solar drones, and a reproducible answer to whether solar input can ever match consumption. The answer is no, and the reason matters.

GitHub   All projects

Latest writing

Essays and notes from the blog.

All posts