Marketplace Operations – Experimentation Specialist

Sezzle

. Set up, QA, and launch A/B tests across Marketplace features, ensuring targeting, variants, and tracking are correct.

Posted 10/2/2026full-timeRemote • MexicoJunior💰 $2,000 - $2,666 per monthWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates strong analytical skills with proficiency in SQL and A/B testing methodologies, alongside the ability to manage multiple projects and collaborate effectively across teams. Familiarity with AI tools for data analysis and automation enhances operational efficiency.

Highest-signal resume keywords

A/B TestingSQL ProficiencyData AnalysisProject ManagementCollaboration

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

A/B TestingSQLData AnalysisStatistical SignificanceQA AuditsExperimentationUser SegmentationDocumentationWorkflow AutomationAnalytical Tools

Soft Skills

Highly OrganizedClear CommunicationDetail-OrientedAdaptability

Tools & Technologies

OptimizelyLaunchDarklyStatsigFirebaseJiraConfluenceAmplitudeMixpanelClaude

Industry Keywords

Product AnalyticsCashback ProgramsMarketplace FeaturesPromotionsAffiliate Partnerships

Tech Stack

Tools & technologies

FirebaseSQL

About the role

Key responsibilities & impact

Set up, QA, and launch A/B tests across Marketplace features, ensuring targeting, variants, and tracking are correct.
Monitor running tests, flag issues early, and call results when statistically significant.
Maintain a single source of truth for every test, including what is live, who sees it, and what was learned.
Create and manage placements, promotions, coupons, and offers across the Sezzle app.
Set up and manage cashback programs in internal admin tools.
Onboard new online stores into the marketplace and activate their store domains.
Map user and merchant segments to features, placements, and offers.
Run QA audits, resolve user-reported issues and broken links, and set up alerts.
Benchmark the shopping experience against competitors and propose new placements, deals, and offers.
Document test plans, results, and processes, and identify workflows that can be automated with AI.
Collaborate with product, engineering, data, design, and partnerships; report to the Product Manager for Marketplace.

Requirements

What you’ll need

Bachelor’s degree in Computer Science, Software Engineering, Data Science, Statistics, Mathematics, or a related quantitative field.
1 to 3+ years of experience in operations, experimentation, or product analytics.
Highly organized; able to run many tests and workstreams at once without anything slipping.
Clear written and verbal communication in English with teammates across the business and external partners.
Strong analytical skills; comfortable with SQL and dashboards, and able to read A/B test results including lift, significance, and sample size.
Comfortable in a fast-changing environment where priorities shift.
Detail-oriented with a QA mindset.
Daily user of Claude or a similar AI tool, with real examples of using it to analyze data, write queries, draft documents, and automate repetitive work.
Experience with A/B testing or feature flag tools such as Optimizely, LaunchDarkly, Statsig, or Firebase is nice to have.
Experience with affiliate, cashback, or advertising partnerships is nice to have.
Experience with Jira and Confluence is nice to have.
Experience with mobile apps and product analytics tools such as Amplitude or Mixpanel is nice to have.