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Your ImageHi, my name is Usulor Casmir.

I have been working professionally in technology since 2020, when I joined SplishPay as a Backend Developer.

My journey into tech, however, started much earlier in 2014, when I began teaching myself programming. I started by writing code snippets in C, learning from C For Dummies by Dan Gookin, a book I bought at an old book sale event and then diving deep into web development through SoloLearn

You can explore some of my open-source and side projects Here

While studying Computer Science at Olusegun Agagu University of Science and Technology, I founded a student community restaurant, which later gained notable recognition, the bus stop started being known as Orange House bus stop.

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In 2021, I launched Lemon Digital, a digital retail store where we sold phones, laptops, gaming devices, and computer accessories.

Lemon Digital Store

In 2022, I built the first website under 01 Technologies Limited, a company I founded, for Khan Space Oil and Gas Limited.

In 2023, I completed a Full Stack Data Science program at Lagos Data School.

In 2024, I launched 01POS, a retail operating system built under 01 Technologies, designed to help small businesses manage operations and access capital.

In 2025, I stepped into the role of Head of Product for 01POS, leading product strategy, growth, and execution.