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Oliver Buchannon
Akum Blaise Acha

Senior DevOps Engineer| Backend Engineer|

How to Build a Personal Brand as an Engineer Without Feeling Like You Are Showing Off

Jun 14, 2026

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8 min read

How to Build a Personal Brand as an Engineer Without Feeling Like You Are Showing Off

The honest case for writing, speaking, and building in public — and why the engineers who do it consistently end up with opportunities the rest of us never hear about.

Akum Blaise Acha
Akum Blaise Acha
How to Talk About Your Work So That the Right People Notice

Jun 7, 2026

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8 min read

How to Talk About Your Work So That the Right People Notice

The art of making your impact visible without bragging, how to communicate upward effectively, and why the engineers who get promoted are not always the ones doing the most work.

Akum Blaise Acha
Akum Blaise Acha
What Happens When Your Message Queue Falls Behind by 2 Million Events

May 24, 2026

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8 min read

What Happens When Your Message Queue Falls Behind by 2 Million Events

Consumer lag, backpressure, dead letter queues, and the Saturday afternoon we spent bringing a Kafka cluster back from the edge.

Akum Blaise Acha
Akum Blaise Acha
The Difference Between a Mid-Level and a Senior Engineer Is Not the Code — It's This

May 17, 2026

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8 min read

The Difference Between a Mid-Level and a Senior Engineer Is Not the Code — It's This

Ownership mindset, proactive communication, thinking in systems, and the specific behaviours that signal readiness for the next level.

Akum Blaise Acha
Akum Blaise Acha
The Most Underrated Career Move Nobody Talks About: How to Find a Mentor

May 10, 2026

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7 min read

The Most Underrated Career Move Nobody Talks About: How to Find a Mentor

And why the right relationship at the right time changes everything.

Akum Blaise Acha
Akum Blaise Acha
The CI/CD Pipeline Mistakes That Are Quietly Slowing Your Team Down

Apr 26, 2026

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10 min read

The CI/CD Pipeline Mistakes That Are Quietly Slowing Your Team Down

Flaky tests, long build times, missing rollback steps, environment drift, and the fixes that compound over time.

Akum Blaise Acha
Akum Blaise Acha
Blue-Green vs Canary vs Rolling Deployments: When to Use Which and Why It Matters

Apr 19, 2026

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9 min read

Blue-Green vs Canary vs Rolling Deployments: When to Use Which and Why It Matters

A real comparison with tradeoffs, rollback strategies, and what breaks each approach.

Akum Blaise Acha
Akum Blaise Acha
How to Build a Zero-Downtime Deployment Pipeline from Scratch

Apr 12, 2026

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15 min read

How to Build a Zero-Downtime Deployment Pipeline from Scratch

Database migrations, feature flags, traffic shifting, and the sequence that keeps production alive.

Akum Blaise Acha
Akum Blaise Acha
Database Sharding: When to Do It, How to Do It, and When You've Gone Too Far

Apr 5, 2026

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16 min read

Database Sharding: When to Do It, How to Do It, and When You've Gone Too Far

A practical guide to horizontal partitioning without destroying your queries.

Akum Blaise Acha
Akum Blaise Acha
Secrets Management: How Senior Engineers Protect Credentials in Production

Mar 29, 2026

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13 min read

Secrets Management: How Senior Engineers Protect Credentials in Production

Vault, environment variables, and what not to do.

Akum Blaise Acha
Akum Blaise Acha
Breaking Into Tech from a Non-CS Background: What I've Seen Work

Mar 22, 2026

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12 min read

Breaking Into Tech from a Non-CS Background: What I've Seen Work

Real paths, real people — including from Africa.

Akum Blaise Acha
Akum Blaise Acha
Docker vs. Kubernetes: When to Use Which (And When You Don't Need Either)

Mar 15, 2026

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12 min read

Docker vs. Kubernetes: When to Use Which (And When You Don't Need Either)

Most engineers overcomplicate this. Let's fix that today.

Akum Blaise Acha
Akum Blaise Acha
How to Build a Portfolio as a DevOps Engineer (That Actually Gets You Hired)

Mar 8, 2026

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10 min read

How to Build a Portfolio as a DevOps Engineer (That Actually Gets You Hired)

What to build, what to document, and where to put it — so the right people find you.

Akum Blaise Acha
Akum Blaise Acha
From Help Desk to DevOps in 18 Months

Jan 25, 2026

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6 min read

From Help Desk to DevOps in 18 Months

A real journey — and the exact roadmap that made it possible

Akum Blaise Acha
Akum Blaise Acha
The 5 Career Mistakes I See Junior DevOps Engineers Make

Jan 18, 2026

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6 min read

The 5 Career Mistakes I See Junior DevOps Engineers Make

Real patterns from our community — and how to avoid them early

Akum Blaise Acha
Akum Blaise Acha
Why Cameroon’s Tech Talent Is Africa’s Best-Kept Secret

Jan 11, 2026

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5 min read

Why Cameroon’s Tech Talent Is Africa’s Best-Kept Secret

How DevOps engineers here are competing globally — without leaving home

Akum Blaise Acha
Akum Blaise Acha
Why Most DevOps Engineers Panic During Incidents

Dec 21, 2025

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5 min read

Why Most DevOps Engineers Panic During Incidents

And how to stay calm when everything is on fire.

Akum Blaise Acha
Akum Blaise Acha
The One Skill That Instantly Makes You a Better DevOps Engineer

Dec 14, 2025

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6 min read

The One Skill That Instantly Makes You a Better DevOps Engineer

Why clear thinking matters more than knowing more tools.

Akum Blaise Acha
Akum Blaise Acha
How to Stand Out as a DevOps Engineer — Even When Everyone Else Seems More Experienced

Dec 7, 2025

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5 min read

How to Stand Out as a DevOps Engineer — Even When Everyone Else Seems More Experienced

Experience gets you in the room. Visibility gets you remembered.

Akum Blaise Acha
Akum Blaise Acha
How to Survive (and Succeed) in Your First 90 Days as a DevOps Engineer

Nov 16, 2025

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6 min read

How to Survive (and Succeed) in Your First 90 Days as a DevOps Engineer

The first three months will shape the rest of your journey.

Akum Blaise Acha
Akum Blaise Acha
How to Ask Smart Questions in DevOps Interviews

Nov 2, 2025

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6 min read

How to Ask Smart Questions in DevOps Interviews

Curiosity makes you stand out — if you know how to use it.

Akum Blaise Acha
Akum Blaise Acha
How to Talk About Your Projects Like a Senior Engineer

Oct 19, 2025

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5 min read

How to Talk About Your Projects Like a Senior Engineer

The difference between “I built it” and “Here’s what it achieved.”

Akum Blaise Acha
Akum Blaise Acha
Why Most Engineers Struggle in Their First DevOps Role

Oct 12, 2025

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5 min read

Why Most Engineers Struggle in Their First DevOps Role

The shift from coding to reliability thinking.

Akum Blaise Acha
Akum Blaise Acha
Why Most DevOps Engineers Fail Their First Interview

Oct 5, 2025

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6 min read

Why Most DevOps Engineers Fail Their First Interview

The missing mindset that makes you forget everything you practiced.

Akum Blaise Acha
Akum Blaise Acha
The Hidden Skill That Makes Engineers Indispensable: Mentorship

Sep 28, 2025

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5 min read

The Hidden Skill That Makes Engineers Indispensable: Mentorship

Teaching others accelerates your own growth.

Akum Blaise Acha
Akum Blaise Acha
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The Engineering Ladder

The Engineering Ladder

Every Sunday, I break down career-changing lessons in DevOps and Software Engineering to help you level up fast. Whether you’re trying to break into tech, grow in your current role, or stand out as a top-tier engineer — you’ll get straight-to-the-point lessons, real-world tactics, and exclusive resources to help you grow into a skilled DevOps Software Engineer and a respected leader in your career.

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