John Hartley – Medium

John Hartley

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The 5 Ps of Measuring Engineering Management

Engineering management is often challenging to evaluate, as its impact extends beyond tangible outputs like code or projects. The…

Jan 10

The 5 Ps of Measuring Engineering Management

Jan 10

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The Problem With Promoting High Performers

It’s exciting to help your direct reports reach the next level of their career, but don’t fail to plan for the side effects of promotions.

Jun 5, 2022

The Problem With Promoting High Performers

Jun 5, 2022

The Secret to Seamless Onboarding: Steal It From Waffle House

I love working on systems; it’s why I keep working on the internal tooling side of engineering orgs. There are unlimited tweaks you can…

Oct 20

The Secret to Seamless Onboarding: Steal It From Waffle House

Oct 20

2025–10–06 Do The Detective Work

I had a chance to play around with Sora 2 last week and the results are pretty crazy. Like, eerie, I shouldn’t have this kind of power…

Oct 7

2025–10–06 Do The Detective Work

Oct 7

2025–06–09 On Perceived Complexity

Welcome back to the weekly newsletter! Lots to get into this week, but first some thoughts on something rattling around in my noggin…

Jun 9

2025–06–09 On Perceived Complexity

Jun 9

What to do when you’re told you work too slow

Every manager who utters the phrase “working too slow” has a different opinion of what slow means. Well-meaning managers across many…

May 16

What to do when you’re told you work too slow

May 16

Handling Emotional Attachment to Ideas and Managing Growth After Stepping Back

This is the second episode of Ask Hartley Anything. In this series, I tackle real-world questions from engineers, product managers, and…

Dec 18, 2024

Handling Emotional Attachment to Ideas and Managing Growth After Stepping Back

Dec 18, 2024

Managing Your Team Through Change

This is the first episode of Ask Hartley Anything. In this series, I tackle real-world questions from engineers, product managers, and tech…

Dec 11, 2024

Managing Your Team Through Change

Dec 11, 2024

Cultivating Constructive Conflict

In every organization, the pursuit of innovation, efficiency, and a dynamic workplace culture rests on the bedrock of communication. Yet…

Nov 11, 2024

Cultivating Constructive Conflict

Nov 11, 2024

Why I Consume So Much Darn Content

In a previous post I noted some of my favorite newsletters, but those were not the only ways I continue to learn. Through my years in tech…

Jun 30, 2024

Why I Consume So Much Darn Content

Jun 30, 2024

John Hartley

John Hartley

Engineering leader with a passion for building and growing high-performing teams in startups. Head of Engineering, Conversational AI @ Trellis

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