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Level up product strategy & performance
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Renovate legacy software systems
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Services Overview
Holistic software investment consulting
Software Delivery
Accelerate quality software development
Product Strategy & Performance
Level up product strategy & performance
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 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

PRAGMATIC AI SOFTWARE CONSULTANCY

AI should be actionable.Business outcomes over hype.

We don’t implement AI for its own sake. Instead we create software solutions powered by AI to solve real business problems and drive results that matter.

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Actionable AI assessment
Advance teams with AI
Accelerate with AI
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ACTIONABLE AI ASSESSMENT

AI should solve business problems—not be deployed for its own sake.

If you’re struggling to figure out if AI proofs of concept actually met target KPIs or how to allocate AI budget for clear ROI, you are not alone. In fact an MIT study recently showed 95% of generative AI pilots are failing.

Leaders just like you are asking:

  • What's the best approach if leadership wants immediate AI results?
  • How do you determine the highest priority business outcomes to drive with AI?
  • Which problems benefit most from AI vs. traditional software solutions?
  • How much IT budget should you allocate to AI experimentation and innovation?
  • How do you justify AI spending when ROI is unclear?
  • How do you measure AI project success?

Cut through the confusion to clarify priorities for smarter spending and confident decision making. Get a 4 week sprint with rapid discovery and analysis, culminating in a concrete proof of concept (POC) proposal to solve a validated, high-value business problem with an AI solution.

We’ll assess your organization’s data, processes, and current reality—and recommend a clear, realistic path forward to achieve AI-enabled cost savings or revenue growth. You’ll be ready to step up with a POC designed to demonstrate early value from AI innovation investments.

Request an AI assessment

ADVANCE ENGINEERING & PRODUCT TEAMS WITH AI

Build quality software faster, with AI that works for your team.

How do you integrate AI tools into existing workflows and team dynamics to increase productivity? What's the right balance for AI tools vs human review? How do you increase AI tool adoption?

We help small teams with limited resources use AI to solve challenging software problems faster so they can drive real business outcomes. Generative AI and agentic coding aren’t magic wands, but they can speed up product validation and software to solve real-world user needs:

  • Product managers build throwaway prototypes to speed up validation for a lean team
  • Engineers iterate on paths more quickly in double loop software development
  • Quickly help customers, speed up routine requests, and enable customer service training
  • Power infrastructure for healthcare tech to improve patient response times
  • Speed up data access and analysis for busy stakeholders at VC and PE firms
  • Optimize and simplify complex SQL queries and other data engineering workflows

We model, teach, and implement leading AI software practices to increase speed without sacrificing quality.

Let’s talk about building faster with AI
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ACCELERATE LEGACY APPS WITH AI

Untangle legacy systems fast with AI, and make them more maintainable.

Are legacy systems not moving as fast as the business needs, but your team can’t dedicate enough time to renovating them?

Our experienced software and product consultants combine AI tools with technical expertise to accelerate legacy software:

  • Faster onboarding in legacy apps via AI analysis and documentation
  • Accelerate Rails upgrades with AI driven source code changes
  • Rapidly identify complexity hotspots in codebases to prioritize improvements
  • Automated test suite design and development made even faster to characterize functionality
  • Clean up AI slop messes and tech debt (it happens!)

We dive in to clean up the funky stuff, and guide your team on leading practices to avoid creating nightmare codebases in the future. AI tooling is paired with sound judgement from pattern matching across hundreds of clients to make your legacy modernization and Rails upgrades faster, easier, and trustworthy.

Book time to talk about legacy system fixes

Level up software and teams with ai

Pragmatic AI approaches that work

We enable smart investments in AI initiatives, rapid AI product validation, and agentic AI software development—focused on real business goals and customer needs

  • Make better decisions with data
  • Stop wasting time on AI for AI's sake
  • Move faster, without regret
  • Never compromise on quality or safety
Testimonial
Holistic Problem Solving

By leveraging LLM tools, we accelerated analysis, delivered rapid improvements, and designed a scalable architecture, achieving in days what typically takes weeks.

David Mosher
Test Double

We get things done from strategy to execution

We’re multi-threat software consultants. Find out more about our other solutions.

View all solutions

Pragmatic AI insights

See all insights
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Leadership
Leadership
Leadership
Pragmatic approaches to agentic coding and AI for engineering leaders

Discover essential practices for AI agentic coding to enhance your team’s AI development learning and adoption, while avoiding common pitfalls of vibe coding.

Test Double Editorial Board
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Developers
Developers
Developers
From resistance to results: Why agentic coding requires a new mindset

A candid conversation among experienced developers reveals why initial resistance to AI coding tools often gives way to breakthrough productivity—and what that shift means for how we think about software development.

Dave Mosher
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Developers
Developers
Developers
You’re holding it wrong! The double loop model for agentic coding

Joé Dupuis has noticed an influx of videos and blog posts about the "correct" way of working with AI agents. Joé thinks most of it is bad advice, and has a better approach he wants to show you.

Joé Dupuis
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Test Double double agents at retreat
Test Double double agents at retreat
Test Double rubber ducks and stickers
Test Double double agents at retreat
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Test Double double agents at retreat
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Test Double rubber ducks and stickers
Test Double double agents at retreat
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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.

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