Coverage, Mutants, and Ensuring Test Quality
"How will you ensure the quality of the code you deliver?". Luckily automated tests are increasingly becoming the standard part of answer to this question. But how do you ensure the quality of your te...
In this week's issue @tpeczek.bsky.social shares thoughts on ensuring the quality of your tests:
🎯 The flavours of coverage
⚠️ The flaws hiding in coverage
🧬 Mutation testing as an alternative
Read the full issue and focus your quality practice on its true goal.
🔗 open.substack.com/pub/pathfind...
22.10.2025 13:07
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Resiliency Through Chaos
When people first hear about chaos engineering, they tend to think about specific infrastructure tools and randomness. In this article, I want to take a different approach and demonstrate a structured...
In this week's Pathfinder Engineer newsletter, @tpeczek.bsky.social explores how structured chaos engineering can transform your entire organisation, not just your infrastructure.
🔗 open.substack.com/pub/pathfind...
#StaffEngineering #TechLeadership #SystemsThinking #Resilience #ChaosEngineering
01.10.2025 12:54
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From Code to Catalyst: A Staff+ Engineer’s Manual
From Code to Catalyst: A Staff+ Engineer’s Manual
Staff+ Engineers: Do you experience the "Productivity Paradox"?
You are no longer just code; you are a catalyst! Your invisible work is valuable, and it is time to discover how to make it visible and lead your team like a conductor.
#StaffEngineer #TechLeadership
open.substack.com/pub/pathfind...
24.09.2025 18:37
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the art of saying no
This will be short, but personal, or at least personal in a way that I'm getting myself into the same hole all over again and again and rarely actually changing anything.
Ever notice how “just one more task” becomes ten—and suddenly every priority is a P1?
In @gutek.pl's latest post, he talks about the overload loop and how WIP limits helped me reclaim focus.
Catch “The Art of Saying No” here 👉 pathfinderengineer.substack.com/p/the-art-of...
#EngineeringCulture
06.08.2025 22:01
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Your Team Isn't Slow, It's Constrained
Why telling your team to 'stop writing code' is the secret to going faster.
Team feeling slow? It's not them, it's a bottleneck! 🚧
Learn how the Theory of Constraints helps Staff+ Engineers unblock workflows and boost team speed.
Read more: pathfinderengineer.substack.com/p/your-team-...
#StaffEngineer #EngineeringLeadership #ToC
02.07.2025 10:03
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Engineering Workflow Choices: When Agile Fits—and When It Doesn’t
A practical guide to aligning engineering methods with task complexity for better outcomes
Is Agile always the best choice? 🤔 Not really.
Our new article shows when to use Agile and when to try something else. Make your team's work easier! 💻👍
pathfinderengineer.substack.com/p/engineerin...
#Agile #Software #Programming #Tech
11.06.2025 18:43
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from interrogation to exploration
using the Left/Right Column to balance advocacy & inquiry
Ever notice how “Don’t you think…?” feels like a trap? 👀
Use the Left/Right Column to turn loaded questions into real curiosity, with a mini script you can steal for your next stand-up.
Grab it here and tell me which question you’ll rewrite first: pathfinderengineer.substack.com/p/from-inter...
04.06.2025 19:28
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Pathfinder’s Tech Snacks – Issue #10
Anthropic, Microsoft, and Google drop major AI updates—plus a local CI/CD pro tip.
Welcome to the 10th edition of Tech Snacks.
This week, we’re diving into major announcements from Microsoft Build and Google I/O, exploring Anthropic’s latest AI model, and checking out a handy tool for local CI/CD testing with GitHub Actions.
open.substack.com/pub/pathfind...
23.05.2025 09:10
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404: Community Not Found
Stack Overflow is fading—can Discord, Reddit, or LLMs take its place?
Stack Overflow is fading and devs are left wondering: where do we ask questions now? Discord? Reddit? GitHub? LLMs?
🧵 Let’s explore what’s next for developer communities 👇
pathfinderengineer.substack.com/p/404-commun...
21.05.2025 10:28
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how the four-r loop turns good engineers into fearless communicators
TDD for humans interaction
New post:
“Record ▸ Reflect ▸ Revise ▸ Role-play”
I unpack a four-step loop that closes the gap between what we think and what we say. Includes real examples (estimation, code review, raise request) + a template you can run weekly.
pathfinderengineer.substack.com/p/how-the-fo... ✨
14.05.2025 20:31
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Pathfinder’s Tech Snacks – Issue #9
Your curated dose of tech insights, tools, and trends – fresh from the frontier.
This week, we’re diving into OpenAI’s biggest acquisition yet, exploring the future of the web without third-party cookies, and checking out performance boosts in Java and PostgreSQL. Plus, open-source cursor alternative 😎
pathfinderengineer.substack.com/p/pathfinder...
09.05.2025 13:18
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Staff+ Engineer in the SaaS World - Pricing and Cost Management
The next topic I’ve decided to tackle as part of our journey through the SaaS world is pricing and cost management.
🚀 Staff+ Engineer in the SaaS World - Pricing and Cost Management 🚀
"As a technical leader, you are responsible for the profitability of your solution - your job literally depends on it."
🔗 open.substack.com/pub/pathfind...
#StaffEngineering #SoftwareArchitecture #SaaS #CloudCosts #FinOps
30.04.2025 14:06
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Pathfinder's Tech Snacks - Issue #8
This issue covers managing underperformers, modern Docker practices, GTA bugs, and more.
Hello, pathfinders! 🌟
This issue covers managing underperformers, breaking the habit of unfinished work in Agile sprints, modern Docker practices, building intelligent agents, a peculiar bug in GTA San Andreas on Windows 11!
Dive in and enjoy!
open.substack.com/pub/pathfind...
25.04.2025 12:23
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How to slice a feature
Strategies for breaking down complex features into manageable tasks
Ever struggled with breaking down complex features into manageable parts? Check out my latest post on effective strategies for slicing features! 🛠️✨
pathfinderengineer.substack.com/p/how-to-sli...
23.04.2025 18:36
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Discover how to avoid misunderstandings and improve your communication skills today. I'd love to hear your experiences too!
26.03.2025 22:38
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Luckily, there's a simple, practical tool—called The Ladder of Inference—that helps us see how our brains shortcut from reality to misinterpretation…and shows us how to get back down to solid ground.
26.03.2025 22:38
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why we jump to the wrong conclusions (and how to avoid it)
learning to use the ladder of inference in our personal and professional lives
“Why did I assume that?!” 🤷♂️ We've all been there—jumping right past the facts straight to assumptions and misunderstandings.
🔗 pathfinderengineer.substack.com/p/why-we-jum...
#Growth #Communication #SelfImprovement
26.03.2025 22:38
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Staff+ Engineer in the SaaS World - The Life of a Tenant
Previously in the “Staff+ Engineer in the SaaS World” we’ve been exploring the multitenancy spectrum. This article continues the exploration and looks at possible events in your tenant lifecycle.
🚀 Staff+ Engineer in the SaaS World - The Life of a Tenant 🚀
Previously, @tpeczek.bsky.social explored the multitenancy spectrum. This week he continues the exploration and takes a look at the tenant lifecycle.
🔗 open.substack.com/pub/pathfind...
#StaffEngineering #SoftwareArchitecture #SaaS
19.03.2025 13:29
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Staff+ Engineer in the SaaS World - The Multitenancy Spectrum
If you’re working in an organisation that delivers software using a SaaS business model, one of the words that dominates (not only) architectural discussions is “multitenancy”.
🚀 Staff+ Engineer in the SaaS World 🚀
If you've been involved in any (not only) architectural discussions about software delivered in a SaaS business model, you've definitely heard the word "multitenancy".
🔗 open.substack.com/pub/pathfind...
#StaffEngineering #SoftwareArchitecture #SaaS
26.02.2025 16:52
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🚀 Balancing Deployment and Release: Strategies and Solutions 🚀
Struggling with software release complexities? 🤔 Whether it's desktop apps, mobile apps, or firmware, understanding the difference between deployment and release is crucial.
🔗Read more: open.substack.com/pub/pathfind... 🔗
19.02.2025 18:50
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The Art of Purposeful Release Strategy
Defining a release strategy is a common challenge for staff+ engineers.
🚀 The Art of Purposeful Release Strategy 🚀
In this week's issue of the Pathfinder Engineer newsletter, @tpeczek.bsky.social explores the approach to defining a purposeful release strategy.
🔗 open.substack.com/pub/pathfind...
#PathfinderEngineer #StaffEngineer #ReleaseManagement
05.02.2025 13:40
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In the newest issue Piotr Stapp emphasizes process over clickbait for cloud savings. Key takeaways: ownership, regular reviews, and cost monitoring are key!
https://pathfinderengineer.substack.com/p/the-biggest-lie-in-finops-i-saved
#CloudOptimization #IT
29.01.2025 20:05
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