ENGINEERING / PRODUCT / SYSTEMS

Software engineer
building systems
that have to work.

I design and build reliable software across payments, logistics, public infrastructure and consumer products — from architecture and backend systems to production interfaces.

PRINCIPLE / 001
“What I cannot create,
I do not understand.”
— Richard Feynman

Building is how I learn. Understanding is how I build better.

01 / SELECTED SYSTEMS

Work where architecture, correctness and real-world constraints mattered.

012025—2026

Logistics / Identity infrastructure / Payments

Rela Express

A multi-market logistics platform coordinating real-time delivery, courier verification, payments and operations across Nigeria and the United Kingdom.

View system
Customer requests move through the core delivery platform, real-time coordination, payments and background workers. Courier onboarding follows country and vehicle policy through external verification adapters, permission-scoped review and an approval gate before reaching the courier network.
022025—Present

Public infrastructure / Financial systems

PAYE Revenue Management System

Nationwide PAYE computation, reconciliation and regulatory reporting infrastructure.

View system
Employer PAYE input moves through a versioned rule engine, interstate reconciliation and an immutable audit record.
032025—Present

Government / Workflow architecture

Central Land Repository

Enterprise land administration workflows for a federal government platform.

View system
A Certificate of Occupancy moves through application, survey, payment, legal review, approval and issuance.
042025—Present

Digital health / Service orchestration / Logistics

MyDocki

A multi-service healthcare platform coordinating care, providers, payments, operations and last-mile fulfilment.

View system
Patient and provider activity enters a core healthcare API, with administration, logistics, notification workers and file storage handled through separate operational boundaries.
052026—Now

Early product / Social fitness / Platform foundation

COEXR

An early-stage social fitness product intended to turn nearby workout plans into shared, privacy-aware experiences.

View system
An Expo mobile client enters a stateless Spring Boot API. Redis bounds one-time verification state, PostgreSQL persists users and hashed refresh-token records, and versioned RabbitMQ events cross into a separate notification worker for email delivery through Resend.
02 / OPEN SOURCE

Public tools and experiments built to make useful engineering work easier.

MORE RELEASED TOOLS

03VS CODE EXTENSION

Comment Code

VS Code extension using Gemini to add descriptive comments to source code.

VS Code · JavaScript · Gemini
04VS CODE EXTENSION

AI Assist Me

VS Code extension for running Gemini prompts inside the editor.

VS Code · JavaScript · Gemini
03 / ENGINEERING EXPERIENCE
2025—PRESENT

Barnksforte Technologies (opens company website in a new tab)

Fullstack Engineer

Large-scale public-sector systems · Financial reconciliation · Secure workflow architecture

2025—2026

Rela Express (opens company website in a new tab)

Fullstack Engineer · Contract

Real-time logistics · Payments · Distributed workers · Compliance

2023—2025

Gomycode (opens company website in a new tab)

Fullstack Software Developer Instructor

Engineering education · Mentorship · Code review

2021—2023

Starkweb technologies (opens company website in a new tab)

Software Engineer

Frontend Development · Backend Development · Code review

04 / HOW I BUILD
01

Understand the system

Start with constraints, invariants, failure modes and the people using it.

02

Design for failure

Retries, idempotency, observability and recovery are part of the architecture.

03

Make correctness visible

Prefer explicit boundaries, auditable state transitions and systems that explain themselves.

04

Keep the product in view

Architecture is only valuable when it helps people accomplish something reliably.

05 / THINGS I WORK WITH

Application

TypeScript · Java · JavaScript · React · Next.js · React Native

Backend

NestJS · Spring Boot · REST · GraphQL · WebSockets

Data

PostgreSQL · MongoDB · Redis · TypeORM

Systems

RabbitMQ · BullMQ · SQS · EventBridge · Pub/Sub

Infrastructure

AWS · Docker · Terraform · GitHub Actions · New Relic

Engineering

System design · API design · RBAC · Observability · Testing · Idempotency

06 / LATEST THOUGHTAll thoughts ↗
LIFE · 5 MIN READ · AUG 24, 2026

Some days, nothing is wrong

A note about the strange distance between having a good day and actually feeling settled inside it.

Read thought ↗
07 / ABOUT

I like difficult problems,
especially the useful ones.

I’m Momoh Yusuf, a fullstack software engineer with a strong backend and systems focus. I enjoy turning complicated domains into software that is understandable, reliable and maintainable.

Outside the code, I write about technology, work, people, relationships, ambition and the things I’m still trying to understand.