Kelechi Onyekwere – Medium

Kelechi Onyekwere

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Kelechi Onyekwere

Demystifying ACID Properties of a Database Transaction to a 10-year-old

A Kid’s Perspective

8 min readMay 30, 2023

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ACID Properties

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Kelechi Onyekwere

ISO8583 : A Must know for Card processors and Fintechs

A Beginner’s Guide to Glory

4 min readApr 8, 2023

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ISO8583 : A Must know for Card processors and Fintechs

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Kelechi Onyekwere

Understanding and Ensuring Idempotency on Sensitive API Endpoints

A Fintech Perspective

5 min readMay 26, 2023

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Understanding and Ensuring Idempotency on Sensitive API Endpoints

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Kelechi Onyekwere

2023 A rollercoaster of vicissitudes!

Photo by Chris Chan on Unsplash

8 min readDec 31, 2023

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2023 A rollercoaster of vicissitudes!

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Kelechi Onyekwere

How to Generate and Verify Time-Constraint OTPs Fast and Securely with Redis

8 min readJul 16, 2023

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How to Generate and Verify Time-Constraint OTPs Fast and Securely with Redis

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Kelechi Onyekwere

Understanding Distributed Secret Sharing: Shamir’s Secret Sharing

A clear understanding

5 min readJul 5, 2023

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Understanding Distributed Secret Sharing: Shamir’s Secret Sharing

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Kelechi Onyekwere

What exactly is Reflective Programming

I see me!

3 min readMar 26, 2023

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What exactly is Reflective Programming

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Kelechi Onyekwere

Achieving Event-Driven Messaging in .Net without third party libraries

An Event is basically an action or occurrence that can be identified by a program or list of programs.

4 min readJun 7, 2022

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Achieving Event-Driven Messaging in .Net without third party libraries

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Kelechi Onyekwere

Building OTP Entry Stepper For Xamarin Forms

Xamarin forms have evolved geometrically and is still evolving.

4 min readJan 5, 2021

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Building OTP Entry Stepper For Xamarin Forms

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Kelechi Onyekwere

Deploying ASP.NET Core Apps on Heroku servers Containerized — Straight Forward.

Yeah I know, tired of the cost of AWS and Azure servers , you just want to host that small ASP.Net Web API, or your .Net Web App, in no…

4 min readSep 21, 2020

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Deploying ASP.NET Core Apps on Heroku servers Containerized — Straight Forward.

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Kelechi Onyekwere

Kelechi Onyekwere

I’m a Software Engineer with experience building distributed systems, resilient and fault tolerant solutions and an advocate for event sourcing / driven system.

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