Skip to main content
Test Double company logo
Services
Services Overview
Holistic software investment consulting
Software Delivery
Accelerate quality software development
Product Impact
Drive results that matter
Legacy Modernization
Renovate legacy software systems
Pragmatic AI
Solve business problems without hype
Upgrade Rails
Update Rails versions seamlessly
DevOps
Scale infrastructure smoothly
Technical Recruitment
Build tech & product teams
Technical & Product Assessments
Uncover root causes & improvements
Case Studies
Solutions
Accelerate Quality Software
Software Delivery, DevOps, & Product Delivery
Maximize Software Investments
Product Performance, Product Scaling, & Technical Assessments
Future-Proof Innovative Software
Legacy Modernization, Product Transformation, Upgrade Rails, Technical Recruitment
About
About
What's a test double?
Approach
Meeting you where you are
Founder's Story
The origin of our mission
Culture
Culture & Careers
Double Agents decoded
Great Causes
Great code for great causes
EDI
Equity, diversity & inclusion
Insights
All Insights
Hot takes and tips for all things software
Leadership
Bold opinions and insights for tech leaders
Developer
Essential coding tutorials and tools
Product Manager
Practical advice for real-world challenges
Say Hello
Test Double logo
Menu
Services
BackGrid of dots icon
Services Overview
Holistic software investment consulting
Software Delivery
Accelerate quality software development
Product Impact
Drive results that matter
Legacy Modernization
Renovate legacy software systems
Pragmatic AI
Solve business problems without hype
Cycle icon
DevOps
Scale infrastructure smoothly
Upgrade Rails
Update Rails versions seamlessly
Technical Recruitment
Build tech & product teams
Technical & Product Assessments
Uncover root causes & improvements
Case Studies
Solutions
Solutions
Accelerate Quality Software
Software Delivery, DevOps, & Product Delivery
Maximize Software Investments
Product Performance, Product Scaling, & Technical Assessments
Future-Proof Innovative Software
Legacy Modernization, Product Transformation, Upgrade Rails, Technical Recruitment
About
About
About
What's a test double?
Approach
Meeting you where you are
Founder's Story
The origin of our mission
Culture
Culture
Culture & Careers
Double Agents decoded
Great Causes
Great code for great causes
EDI
Equity, diversity & inclusion
Insights
Insights
All Insights
Hot takes and tips for all things software
Leadership
Bold opinions and insights for tech leaders
Developer
Essential coding tutorials and tools
Product Manager
Practical advice for real-world challenges
Say hello

Insights for great software & great teams

How-to guides, tooling tips and real-world advice for developers and product managers tired of broken software. Let’s fix this mess together.

Sign up and get insights delivered to your inbox.

How-to guides, tooling tips and real-world advice for developers and product managers tired of broken software. Let’s fix this mess together.

Want to talk shop or tackle a problem in real time? Unpack it with a developer or product manager.

Get our newsletter
Grab time now
Conveyor belt system built from LEGO
Leadership
Leadership
Leadership
Legacy systems and delivery pressure: Symptoms healthcare tech teams keep treating

Healthcare product and engineering teams stay busy fixing bugs, modernizing systems, and shipping features faster. But when the root cause is process, culture, or misalignment—not code—the same problems keep coming back.

Cathy Colliver
Cathy Colliver
Legacy modernization
A watercolor gecko resting on a stack of documentation pages, evoking a small, alert companion native to the terrain.
Developers
Developers
Developers
How to build a documentation companion with Claude skills: six lessons from the field
Jeremy Fairbank
Jeremy Fairbank
AI
A tree made of LEGO with deep roots and a magnifying lens
Leadership
Leadership
Leadership
Healthcare software teams keep fixing symptoms: Real problems run deeper
Cathy Colliver
Cathy Colliver
Legacy modernization
Ensō (Zen circle) with digital flourishes
Developers
Developers
Developers
🐍 Functionally Zen
Kyle Adams
Kyle Adams
Future-proof innovative software
All Categories
Click to select
Clear SElection
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Test Double short-form logo against a green background

Double Takes

+ Expand posts
- Collapse POSTS
Test Double short-form logo against a green background

Double Takes

TDDing with Claude is like having a pair that removes all the failing assertions every time you go to the bathroom.

Steve Jackson

State machines are the answer for those seeking determinism in the era of AI agents.

Dave Mosher

A Slack conversation left Doc reflecting on what bug bashes say about the systems we work in.

Doc Norton

Test-driven development is to programming what double-entry bookkeeping is to accounting.

Neal Lindsay

The fundamental character flaw of the software creator is not the misguided belief that they can solve any problem with software. Instead, it is the belief they can understand how their own software works before they create it.

Steve Jackson

We may need a SaaS appendix for Zawinski's law:

Any SaaS platform attempts to expand until it is a social network.
Matt Jones
Developers
Developers
Developers
Pair programming: the unexpected benefits and challenges
Discover the pros and cons of pair programming, and learn how it can improve code quality, team collaboration, and developer growth.
Eve Ragins
Eve Ragins
Communication & teams
teams
Developers
Developers
Developers
Remembering Chris Seaton's legacy in the Ruby community
Join us in celebrating the life and legacy of Chris Seaton, a brilliant mind in the Ruby community. His mentorship and generosity left an indelible mark on us all.
Justin Searls
Justin Searls
ruby
Developers
Developers
Developers
Smoother, responsive Rails forms with Tailwind
Struggling with Rails form styling? Learn how to leverage Tailwind CSS to streamline your form development and keep your code DRY.
Daniel Huss
Daniel Huss
Software tooling & tips
rails
Complicated Rube Goldberg type device
Developers
Developers
Developers
Building a linkblog with Hugo, Tailwind and Netlify
Overview of one way to organize a personal blog to enable very low-friction publishing, using Hugo, Tailwind, and Netlify (plus NetlifyCMS).
Justin Searls
Justin Searls
Software tooling & tips
infrastructure
agile
open-source
An arrow runs through a tangled knot
Developers
Developers
Developers
Building robust apps with Phoenix LiveView and no JavaScript
Learn how to use Phoenix LiveView to create robust applications without writing any JavaScript. Discover tips and tricks for efficient development.
Jeremy Neal
Jeremy Neal
Software tooling & tips
elixir
javascript
Cartoon sticker of a cat holding a sign that reads Ignore
Developers
Developers
Developers
Ignore RuboCop changes in Git Blame
Hide refactoring commits in git-blame by using .git-blame-ignore-revs
Caleb Hearth
Caleb Hearth
Software tooling & tips
automation
ruby
testing
Developers
Developers
Developers
S.O.S.(F).: Save Our Submittable (Forms)
Dive into the real-world challenges of form development in React. It's not just about coding—it's about creating experiences!
Daniel Huss
Daniel Huss
Software tooling & tips
react
javascript
node.js
ux-ui
Developers
Developers
Developers
A guide to effective software consulting
Dive into the world of software consulting with firsthand insights on what makes a successful consultant. Learn from the pros at Test Double.
Nichol Alexander
Nichol Alexander
Accelerate quality software
consulting
communication
teams
professional-growth
Previous
Load more posts
24 / 49
Letter art spelling out NEAT

You're N.E.A.T.!

Technology is a means to an end: answers to very human questions. We want to connect with other folks who share that belief.

Ways to connect
Test Double Executive Leadership Team

Learn about our team

Like what we have to say about building great software and great teams?

Get to know us
Rubber duck with Rubik's cube
Test Double double agents at retreat
Test Double double agents at retreat
Test Double rubber ducks and stickers
Test Double double agents at retreat
A keyboard, glasses, test double logo and rubber duckies.
Two test double employees wearing test double t-shirts embrace and smile at the camera.
Two people embrace and smile at the camera at a group event.
A person laughs at the camera in a group setting with a group of people.
Test double rubber duckie in a pool.
Rubber duck with Rubik's cube
Test Double double agents at retreat
Test Double double agents at retreat
Test Double rubber ducks and stickers
Test Double double agents at retreat
A keyboard, glasses, test double logo and rubber duckies.
Two test double employees wearing test double t-shirts embrace and smile at the camera.
Two people embrace and smile at the camera at a group event.
A person laughs at the camera in a group setting with a group of people.
Test double rubber duckie in a pool.
Rubber duck with Rubik's cube
Test Double double agents at retreat
Test Double double agents at retreat
Test Double rubber ducks and stickers
Test Double double agents at retreat
A keyboard, glasses, test double logo and rubber duckies.
Two test double employees wearing test double t-shirts embrace and smile at the camera.
Two people embrace and smile at the camera at a group event.
A person laughs at the camera in a group setting with a group of people.
Test double rubber duckie in a pool.

Let’s collaborate

We’re the team on a mission to improve how the world builds software.

Let’s talk about how to tackle hard software investment problems across the entire product life cycle.

Get started
Calendar icon

Chat with our team

Test Double Office Hours

Curious about what we're like to work with? We offer 30-minute turbocharged office hours with no strings attached—just pure, unadulterated brainstorm power.

Learn more
Test Double company logo
Improving the way the world builds software.
What we do
Services OverviewSoftware DeliveryProduct StrategyLegacy ModernizationPragmatic AIDevOpsUpgrade RailsTechnical RecruitmentAssessments
Who WE ARE
About UsCulture & CareersGreat CausesEDIOur TeamContact UsNews & AwardsN.E.A.T.
Resources
Case StudiesAll InsightsLeadership InsightsDeveloper InsightsProduct InsightsPairing & Office Hours
NEWSLETTER
Sign up hear about our latest innovations.
Your email has been added!
Oops! Something went wrong while submitting the form.
Standard Ruby badge
614.349.4279hello@testdouble.com
Privacy Policy
© 2020 Test Double. All Rights Reserved.