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Services Overview
Holistic software investment consulting
Software Delivery
Accelerate quality software development
Product Management
Launch modern product orgs
Legacy Modernization
Renovate legacy software systems
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DevOps
Scale infrastructure smoothly
Upgrade Rails
Update Rails versions seamlessly
Technical Recruitment
Build tech & product teams
Technical Assessments
Uncover root causes & improvements
Case Studies
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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
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The origin of our mission
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Culture
Culture & Careers
Double Agents decoded
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Great code for great causes
EDI
Equity, diversity & inclusion
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Bold opinions and insights for tech leaders
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Audentes Fortuna Iuvat: being bold amidst uncertainty

What should businesses do in the face of uncertainty? This is not the first time leaders are dealing with strange economic environments, and it won’t be the last.

Ed Frank
Ed Frank
Maximize software investment
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Developers
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LLMallard: the low-key AI chat bot you secretly need
Daniel Huss
Daniel Huss
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Leadership
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Why we coach the system, not just the team
Doc Norton
Doc Norton
Future-proof innovative software
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Developers
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Developer QA checklist for feature releases
Lee Quarella
Lee Quarella
Software tooling & tips
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Double Takes

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Double Takes

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

Neal Lindsay

TIL you can use redirect.github.com in links to avoid a back reference being created on github from commits, comments, PRs, etc.

Jason Karns

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

Wow, 1 month for a rewrite seems a little aggressive.

Dustin Tinney
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Developers
Developers
Developers
From engineer to consultant: The powerful shift from inward to outward focus
What transforms a skilled software engineer into an exceptional consultant? Approach new codebases with respect rather than judgment, embrace constraints as creative boundaries, and prioritize client needs over personal preferences.
Dave Mosher
Dave Mosher
Recruiting & careers
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consulting
professional-growth
teams
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Leadership
Leadership
Leadership
Better alternatives to story points for software product teams
Story points weren't devised to measure productivity, but rather complexity. But teams keep using story points as individual or team productivity "score cards". Here's why that's a problem, and what to use instead.
Tammy Lawlor
Tammy Lawlor
Product management
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Leadership
Leadership
Leadership
Developers need more context than you think they do. Here’s why.
Building software without context leads to wasted time, bad decisions, and frustrated teams. Here’s how to fix it and build software that actually matters.
Kate McGinty
Kate McGinty
Communication & teams
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Leadership
Leadership
Leadership
Beyond MVP: Why your most valuable tactic matters
Transform your delivery process by addressing the fundamental challenges that keep your teams from scaling effectively.
Dave Mosher
Dave Mosher
Accelerate quality software
greenfield-product-development
scaling-challenges
Developers
Developers
Developers
Thruster vs Kamal-proxy: Which HTTP proxy is right for you?
Whether it's Thruster's minimal setup or Kamal-proxy's robust handling of multiple applications, understanding the strengths of each proxy can drastically streamline your deployments.
Joé Dupuis
Joé Dupuis
Software tooling & tips
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Product managers
Product managers
Product managers
From brainstorm to breakthrough: How to unlock great ideas through regular brainstorming
Elevate your product strategy with the power of brainstorming. Here's a 'how to' for regular idea sessions that will fill your funnel, influence your stakeholders, energize your team, and help you build your innovation muscle.
Shawn Leitner
Shawn Leitner
Communication & teams
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Product managers
Product managers
Product managers
Think the customer is always right? Think again
“The customer is always right” is a myth. Saying yes to everything leads to bloated, forgettable products. Here’s how to push back with care and build something that truly matters.
David Lewis
David Lewis
Product management
discovery-validation
See how Test Double turns Las Vegas into the coolest office ever
We take our retreats as seriously as our code. Peek behind the scenes of innovation, connection, and outdoor adventures in Las Vegas.
Kate McGinty
Kate McGinty
Communication & teams
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