Senior Web Experimentation Manager

Tailscale

. Own the experimentation roadmap, prioritizing ideas against traffic, expected impact, and cost .

Posted 10/8/2026full-timeRemote • Canada, United StatesSenior💰 CA$152,760 - CA$194,300 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in conversion optimization and web experimentation, with a strong command of experiment statistics and proficiency in testing platforms. Capable of coaching teams on test design and result interpretation while effectively communicating insights to senior stakeholders.

Highest-signal resume keywords

Conversion OptimizationWeb ExperimentationTesting Platform ProficiencyExperiment StatisticsCoaching and Mentoring

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Experiment DesignStatistical Power AnalysisHTMLCSSJavaScriptSQLAnalytics ValidationMinimum Detectable EffectGuardrail MetricsSample Ratio Mismatch

Soft Skills

Clear CommunicationSound JudgmentCollaboration

Tools & Technologies

OptimizelyVWOGA4

Industry Keywords

Experimentation RoadmapTesting StandardsWeb Strategy RecommendationsRemote-First EnvironmentGrowth Marketing

Tech Stack

Tools & technologies

JavaScriptSQL

About the role

Key responsibilities & impact

Own the experimentation roadmap, prioritizing ideas against traffic, expected impact, and cost
Set and maintain testing standards, including sizing, statistical power, minimum detectable effect, guardrail metrics, and rules for shipping, iterating, or stopping tests
Review test designs before launch and results before sharing
Design, build, and run consequential experiments, particularly on pricing and homepage pages
Own testing platform health and measurement with web development and analytics
Maintain the experiment record as the source of truth and turn results into web strategy recommendations
Report program results to marketing leadership
Coach contributors across web, design, and marketing on hypotheses, test design, and result interpretation
Collaborate with web strategy, web development, design, product marketing, and analytics partners
Set the experimentation program roadmap and decision rules across high-traffic website pages

Requirements

What you’ll need

6–9 years of experience in conversion optimization, web experimentation, growth marketing, or a related field, including ownership of an experimentation program across multiple pages or products
Deep experience with a testing platform such as Optimizely, VWO, or a comparable tool, including program-level setup and governance
Strong command of experiment statistics, including power and sample size, minimum detectable effect, false positive control, guardrail metrics, sample ratio mismatch, and the risks of peeking and multiple comparisons
Ability to evaluate a test's design and validity, and explain why a result should or shouldn't be trusted
Comfort with HTML, CSS, and JavaScript to build and debug client-side variations
Working proficiency in SQL and an analytics tool such as GA4, enough to validate results independently of the testing platform
Sound judgment about when an experiment is the right tool and when a low-risk, reversible change can ship without one
Clear writing and communication, with ability to present results and tradeoffs to senior stakeholders
Experience coaching or mentoring others on experimentation
Comfort working in a remote-first, async environment

Benefits

Comp & perks

An inclusive, flexible environment where you can be your authentic self
A competitive total compensation package including a base salary, an equity incentive plan and variable commission (for quota-based roles)
Comprehensive group benefits with no waiting period, including health, vision, dental, and more for you and your family
Remote-first work environment
Virtual and in-person social events
Corporate co-working program
Employer-funded retirement contributions matching contributions dollar-for-dollar, up to a maximum annual employer contribution equal to 0.75% of eligible compensation
Annual company retreat and team off-sites
$1500 USD annually for professional development
Mentorship, coaching, and internal promotion opportunities
Flexible paid time off
Company-owned laptop (Mac or PC)
Monthly home internet reimbursement
$500 USD workstation customization allowance
Paid parental leave top-ups: 20 weeks for birthing parents and 16 weeks for non-birthing parents