afrodevJohn Oba

Elsewhere

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Lagos, Nigeria
A personal corner of the internetSoftware, systems & small tools

Product engineer · Lagos, Nigeria

John Oba.

I make software.
And follow my curiosity.

From a database of African startups to a seven-clip Mac app. I work across interfaces, backend systems, and the details that make them fit together.

A little about me
Connection study / 001

01Selected work

The full index ↗
Data & discovery2020 — ongoing

StartupList Africa

Making Africa’s startup ecosystem easier to find and understand.

Native macOS2026

Now

A small working clipboard. Seven active clips, always close.

Research softwareIn development

Oystack

A workspace for papers, questions, and the evidence behind an answer.

Real-time systems2023 — 2024

PeerPlay

Watch together, even when you’re somewhere else.

02From the workbench

More on GitHub ↗

macOS Computer Use

Giving agents a precise way to inspect and operate Mac interfaces.

Developer tools

Pixelator

Turning Figma layers into something a little more pixelated.

Design tools

A voice for long-form narration

Fine-tuning XTTS v2, then listening closely to what changed.

Applied machine learning

03Notes along the way

All writing ↗

Fine-Tuning XTTS v2 for More Natural Bible Narration

8 min read

Domain Knowledge vs Code - Engineering a KP Astrological System

8 min read

Building Smart Recommendation Systems with Node.js and Google Gemini

6 min read

I share code on GitHub.
Here, I keep the work and the notes together.