Marketplace Operations – Experimentation Specialist

• 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 what's 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 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 ideas for 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, partnerships, and external partners.
• Report to the Product Manager for Marketplace.

• 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 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, using it to analyze data, write queries, draft documents, and automate repetitive work, with real examples.
• 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.