Jeff Bailey (@jeffabailey) | teapawt

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Jeff Bailey@jeffabailey17 Dec 2022

𝘓𝘦𝘢𝘳𝘯𝘪𝘯𝘨 𝘳𝘦𝘴𝘰𝘶𝘳𝘤𝘦𝘴, 𝘰𝘱𝘪𝘯𝘪𝘰𝘯𝘴, 𝘢𝘯𝘥 𝘧𝘢𝘤𝘵𝘴 𝘢𝘣𝘰𝘶𝘵 𝘵𝘦𝘤𝘩𝘯𝘰𝘭𝘰𝘨𝘺. 𝘋𝘢𝘵𝘢 𝘪𝘴 𝘮𝘺 𝘥𝘳𝘶𝘨. 💊 𝐁𝐥𝐨𝐠: jeffbailey.us vero.co/jeffabailey linkedin.com/in/jeffabailey instagram.com/jeffbaileyblog

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Jeff Bailey@jeffabaileyOct 26

Practice creating a lambda function without an AWS account, an IAM role, or a surprise bill. jeffbailey.us/blog/2026/10/1… #AWS #AWSLambda #Serverless #AWSCLI #FinOps #LearnToCode

Learn AWS Lambda: Handlers, Cold Starts, and the AWS CLI

Learn AWS Lambda: Handlers, Cold Starts, and the AWS CLI

Learn AWS Lambda: create, invoke, and delete a Python function with the AWS CLI, and understand cold starts, invocation types, concurrency, and cost.

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Jeff Bailey@jeffabaileyOct 3

The hardest part of testing AI is deciding what “works” means. jeffbailey.us/blog/2026/10/0… #AI #Agent #ML #Software #Technology #Programming #SoftwareDevelopment #Coding #SoftwareEngineering

What Are AI Evals?

What Are AI Evals?

AI evals explained: how datasets, graders, and scores tell you whether a language model feature works, and why vibe checks and benchmarks fall short.

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Jeff Bailey@jeffabaileySep 18

Take us back to four buttons and a crosshatch controller! #Software #Technology #Programming #SoftwareDevelopment #Coding #SoftwareEngineering

Image from Jeff Bailey (@jeffabailey)

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Jeff Bailey@jeffabaileySep 16

Some workplace problems survive because everyone is too polite to name them. What allows dysfunctional communication to thrive and how can you deal with it? jeffbailey.us/blog/2026/09/0… #OfficeWork #Communication #CaaS

Confusion as a Service - Deadly Cut 17

Confusion as a Service - Deadly Cut 17

Confusion as a Service (CaaS) starts with the co-worker who floods every channel until nothing means anything. Here is how back pressure gets your sanity back.

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Jeff Bailey@jeffabaileySep 9

If you’re pining for a world where your agents listen to your instructions most than 60% of the time… jeffbailey.us/blog/2026/08/2… #Ontology #Context #AI #Software #Data

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Jeff Bailey@jeffabaileySep 7

My last post explained Lima, now take the lightweight macOS Virtual Machine for a spin. 🏎️ jeffbailey.us/blog/2026/08/1… #VM #Software #Technology

How Do I Use Lima?

How Do I Use Lima?

Use Lima to run Linux on your Mac: install with Homebrew, start an Ubuntu VM, share files, and run your first container with nerdctl.

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Jeff Bailey@jeffabaileySep 3

Docker Desktop isn’t Docker. And on a Mac, you don’t need it. jeffbailey.us/blog/2026/01/3… #VM #Lima #Software #Technology #Programming #SoftwareDevelopment #Coding #SoftwareEngineering

What Is Lima?

What Is Lima?

Lima explained: how it runs Linux VMs on your Mac, powers Colima and Rancher Desktop, and replaces Docker Desktop without the licensing bill.

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Jeff Bailey@jeffabaileyAug 28

Is it true or is it false? That's the question. Sometimes the simplest knowledge we use daily is worth examining from both sides. jeffbailey.us/blog/2026/07/2… #Software #Technology #Programming #SoftwareDevelopment #Coding #SoftwareEngineering

What Is Boolean Logic?

What Is Boolean Logic?

Boolean logic explained: true, false, AND, OR, NOT, and the mental patterns a human needs before true or false can mean anything.

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Jeff Bailey@jeffabaileyAug 19

Ever wondered why preparing for a retry storm is important? Read about what it is then the GitHub outage postmortem and you'll be up to speed. czweb.link/1r9segj jeffbailey.us/blog/2025/12/1… #SoftwareDevelopment#SoftwareArchitecture #SoftwareEngineering

Incident with GitHub.com

Incident with GitHub.com

githubstatus.com

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Jeff Bailey@jeffabaileyAug 6

Come present at the InnerSource Commons and help organizations promote software reuse, improve cross-functional collaboration, and lower the cost of your AI bill! #InnerSource #CFP #Speaking #Speaker #AI #Software

InnerSource Commons@InnerSourceOrgJun 4

🚨 InnerSource Summit 2026 is coming Nov 12! A 22-hour global virtual event spanning every timezone. 🌍 🎤 The CFP is now OPEN! Share your stories on AI, ISPOs, metrics, & scaling adoption. ⏰ Closes Aug 21 📝 Submit here: bit.ly/SUM26CFP #InnerSource #InnerSourceSummit

Image from InnerSource Commons (@InnerSourceOrg)

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Jeff Bailey@jeffabaileyJul 27

A support phone call too often ends in despair. Enjoy my fresh slice of schadenfreude. #Support #Call #Hell jeffbailey.us/blog/2026/07/2… dc

The Invalid Response Loop: Deadly Cut 16

The Invalid Response Loop: Deadly Cut 16

Invalid response loops in automated phone systems waste hours by design. A 27-minute FSA support call shows how Interactive Voice Response (IVR) menus fail people and how to fix them.

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Jeff Bailey@jeffabaileyJul 15

Some teams spend more time choosing a database than choosing a spouse. Recognize which decisions actually deserve that level of effort. jeffbailey.us/blog/2026/07/1… #Software #SoftwareArchitecture #Technology #Programming #SoftwareDevelopment #Coding #SoftwareEngineering

Fundamentals of Architecture Decision Making

Fundamentals of Architecture Decision Making

Architecture decision making fundamentals: how to spot decisions that matter, weigh trade-offs, judge reversibility, and record choices with ADRs.

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Jeff Bailey@jeffabaileyJul 13

The fastest way to expose shallow architecture knowledge is to ask, "Why?" Learn ways to think about systems as an architect. jeffbailey.us/blog/2026/07/1… #Data #Architecture #Software #Technology #Programming #SoftwareDevelopment #Coding #SoftwareEngineering

Fundamentals of Data Architecture

Fundamentals of Data Architecture

Data architecture fundamentals: the staging, core, and semantic layers, why architecture is not tools, and how batch and streaming data land.

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Jeff Bailey@jeffabaileyJul 10

If every meeting starts by debating the numbers, you've already lost. Learn how to build time-saving shared metrics that drive better results. jeffbailey.us/blog/2026/07/0… #Analytics #AnalyticsEngineering #SoftwareFundamentals #Software #Programming #SoftwareEngineering

Fundamentals of Analytics Engineering

Fundamentals of Analytics Engineering

Analytics engineering fundamentals: the role between data engineering and analysis, ELT, the transformation layer, testing, and the semantic layer.

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Jeff Bailey@jeffabaileyJul 9

Friends don't let friends vibe code. #Vibes #VibeCoding #Software #Technology #Programming #SoftwareDevelopment #Coding #SoftwareEngineering

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Jeff Bailey@jeffabaileyJul 2

Code was never the bottleneck, but the expectations-management bottleneck has certainly grown. #AWTYD #Software #SoftwareDevelopment #SoftwareEngineering jeffbailey.us/blog/2026/07/0…

Are We There Yet Development

Are We There Yet Development

Are We There Yet Development names the AI-era habit of demanding software at the speed of thought, and the toll it takes.

Jeff Bailey@jeffabaileyJun 29

I've spent years tracking rare operating systems like they're endangered wildlife. Explore how curiosity across platforms made me a better engineer. jeffbailey.us/blog/2026/06/2… #OperatingSystems #Software #Technology #Programming #SoftwareDevelopment #Coding #SoftwareEngineering

1000 Life Giving Potions - Operating System Wildlife

1000 Life Giving Potions - Operating System Wildlife

Why I run Mac OS, Linux, and Windows side by side, what jumping between operating systems taught me, and how to start exploring the OS wildlife yourself.

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Jeff Bailey@jeffabaileyJun 26

You can build a knowledge graph in about fifteen minutes. Walk through the entire process in plain Python. jeffbailey.us/blog/2026/06/2… #Python #Programming #SoftwareEngineering #DataStructures #KnowledgeGraph #GraphTheory #AI #SemanticWeb

How Do I Create a Knowledge Graph?

How Do I Create a Knowledge Graph?

Build a working knowledge graph in one pure-Python file. Store facts as triples, then query and traverse them, with no database and no libraries.

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Jeff Bailey@jeffabaileyJun 24

Meaning lives in the relationships between things. Learn why connections often matter more than the things themselves. Next up: How Do I Create a Knowledge Graph? jeffbailey.us/blog/2026/06/2… #KnowledgeGraph #SemanticWeb #KnowledgeManagement #LinkedData #AI #MachineLearning

What Is a Knowledge Graph?

What Is a Knowledge Graph?

A knowledge graph stores data as entities and relationships, not rows. Learn what it is, how it works, and when it's useful.

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Jeff Bailey@jeffabaileyJun 4

The real final boss of software isn't complexity. It's naming things. Learn the importance of shared language, especially in the age of AI. jeffbailey.us/blog/2026/06/0… #Ontology #Software #Technology #Programming #SoftwareDevelopment #Coding #SoftwareEngineering

How Do I Use a Software Ontology?

How Do I Use a Software Ontology?

Put an established software ontology to work in daily workflows, design sessions, and database schemas; keep it fresh and make it usable by the whole team.

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