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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
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DevOps
Scale infrastructure smoothly
Upgrade Rails
Update Rails versions seamlessly
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Build tech & product teams
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Uncover root causes & improvements
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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
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
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Bold opinions and insights for tech leaders
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Explore all agents
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RECENT DEPLOYMENTS:
robot
AI/ML
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Architecture

Architecture

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Back-end development
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Front-end development
organization
Team culture & processes
yarn
Technical debt
Agent #
0029

Jeremy Fairbank

#Development
Location pin icon
Maui, HI
Twitter company logoGitHub company logoLinkedIn company logoInternet logo
his
mission (
he
chose to accept it):
Deliver quality software sustainably

Functional programming

Elixir

TypeScript

Gecko influencer

LLM tuning

Noteworthy Achievements:
  • Authored The Pragmatic Programmer's book on Elm, Programming Elm
  • Built complex simulation software with Elixir and C to simulate real-world interactions with client software and simplify testing for QA team
  • Helped transform client culture from siloed devs under pressure to pair programming, dev growth time, and collaboration with product
  • Mentored client devs on functional programming best practices to build safer, maintainable software in Elm, Elixir, Ruby, and JavaScript/TypeScript
  • Improved telemetry throughput, persistence, and aggregation calculations timing (by ~90%), fixing system crashes through architectural changes to Elixir GenServer and Postgres database interactions
Dossier Quotes:
Your ability to span Elixir, Elm and/or general engineering challenges related to the system is truly impressive and I hope your next assignment can tap into that brilliance and calm approach!
A green circle depicting the outline of a human.
Client
Chief Operating Officer
Reports from the field:
🔗
End-to-end testing with Cypress series
🔗
Effective React testing
🔗
Solving the boolean identity crisis
🔗
Tame the frontend with Elm
Jeremy Fairbank
's
Latest Projects:
🔗
Enbala
RECENT DEPLOYMENTS:
AI/ML
Architecture

Architecture

Back-end development
Front-end development
Team culture & processes
Technical debt
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Test Double double agents at retreat
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Test double rubber duckie in a pool.
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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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Two test double employees wearing test double t-shirts embrace and smile at the camera.
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Test double rubber duckie in a pool.

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