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 • BrazilJunior💰 $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, while effectively managing multiple projects and collaborating across teams. Capable of utilizing AI tools for data analysis and process automation in a fast-paced environment.

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 AuditsExperimentationProduct AnalyticsDashboard InterpretationWorkflow AutomationUser Segmentation

Soft Skills

Organizational SkillsClear CommunicationDetail-OrientedAdaptabilityProblem-Solving

Tools & Technologies

ClaudeOptimizelyLaunchDarklyStatsigFirebaseJiraConfluenceAmplitudeMixpanel

Industry Keywords

MarketplaceCashback ProgramsPromotionsAffiliate PartnershipsMobile Apps

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 once statistically significant.
Maintain a single source of truth for every test, including live status, audience, and learnings.
Create and manage placements, promotions, coupons, and offers across the Sezzle app.
Set up and manage cashback programs in internal admin tools.
Onboard 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 suitable for AI automation.
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 simultaneously.
Clear written and verbal communication in English.
Strong analytical skills; comfortable with SQL and dashboards, and able to interpret 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 examples of using it to analyze data, write queries, draft documents, and automate repetitive work.
Nice to have: experience with A/B testing or feature flag tools such as Optimizely, LaunchDarkly, Statsig, or Firebase.
Nice to have: experience with affiliate, cashback, or advertising partnerships.
Nice to have: experience with Jira and Confluence.
Nice to have: experience with mobile apps and product analytics tools such as Amplitude or Mixpanel.