Skip to main content
Test Double company logo
Services
Services Overview
Holistic software investment consulting
Software Delivery
Accelerate quality software development
Product Management
Launch modern product orgs
Legacy Modernization
Renovate legacy software systems
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
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 Management
Launch modern product orgs
Legacy Modernization
Renovate legacy software systems
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
Explore all agents
Twitter company logoIcon for Mastadon.GitHub company logoLinkedIn company logoInternet logo
RECENT DEPLOYMENTS:
integration
Infrastructure containerization & AWS cost optimization

Infrastructure containerization & AWS cost optimization

bar-chart
DevEx, observability & performance improvement

DevEx, observability and performance improvement

product
API and developer portal

API and developer portal

headset
Ruby on Rails training

Remote Ruby on Rails training

Agent #
0073

Joé Dupuis

#DevOps
Location pin icon
Vancouver, BC
Twitter company logoGitHub company logoLinkedIn company logoInternet logo
his
mission (
he
chose to accept it):
Solve the hard problems at the root

Ruby & Rails

JavaScript & React

Linux

Handwriting

C/C++

Noteworthy Achievements:
  • Found the root cause and mitigated multiple incidents where the team was stumped
  • Reduced infrastructure spend by a factor of 4
  • Rails contributor
  • Uncovered a massive scraping operation by a competitor
  • Wrote a multi-platform game engine from scratch
  • Optimized frontend build time from 5 minutes to 5 seconds at a client, and deployments from 20 minutes to 3 minutes
Dossier Quotes:
He's the first one to volunteer to solve issues and is not afraid to get in the ugliest, nastiest piece of code and make it better (in fact I think he likes it). He clearly takes pride in what he does and goes the extra mile when it would benefit the larger team.
A green circle depicting the outline of a human.
Cars.com
Principal Software Engineer
Reports from the field:
🔗
Pragmatic approaches to agentic coding for engineering leaders
🔗
You’re holding it wrong! The double loop model for agentic coding
🔗
Thruster vs Kamal-proxy: Which HTTP proxy is right for you?
🔗
GitHub shortcut commands that’ll speed up your code reviews
🔗
Introducing azure-blob: A new Ruby gem for Azure Blob Storage
🔗
14 tools every Ruby developer will love for performance and debugging
Joé Dupuis
's
Latest Projects:
🔗
Treehouse
RECENT DEPLOYMENTS:
Infrastructure containerization & AWS cost optimization

Infrastructure containerization & AWS cost optimization

DevEx, observability & performance improvement

DevEx, observability and performance improvement

API and developer portal

API and developer portal

Ruby on Rails training

Remote Ruby on Rails training

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.
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.
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 ManagementLegacy ModernizationDevOpsUpgrade RailsTechnical RecruitmentTechnical Assessments
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.