About the client

A fast growing luxury resale platform wanted a stronger commerce foundation. The goal was to remove manual steps, reduce errors, and support scale without disrupting customers.

Challenges

  • Inconsistent transactions and summary based payouts
  • Fraud risk during order placement
  • Limited analytics for product decisions
  • Complex third party integrations to maintain

Our approach

  • Rewrote cart and checkout with item level logic
  • Tight Salesforce and Stripe integration
  • Server side fraud checks for email, phone, and address
  • AWS serverless stack for scale and reliability

Key outcomes

Resilient cart and checkout

Single order can mix promo and non promo items. Discounts apply at item level for accurate totals and downstream flows.

Checkout optimization Order integrity

Precision in payouts

Item level data travels from web to Salesforce. Consignor payouts now match real discount math instead of summary guesses.

Finance accuracy Data quality

Fraud validation layer

Pre order validation with Debounce, Numverify, and shipping address checks. Risk is reduced without blocking good customers.

Trust and safety Conversion friendly

Gift card ecosystem

Stripe based gift card with balance checks and redemption rules. Duplicate and insufficient balance cases handled cleanly.

Stripe Payments

Analytics and experiments

Enhanced Ecommerce tags across funnel with Tag Manager. Teams can run A B tests and read clear results.

GA4 A B testing

Exclusive item locking

DynamoDB lock with timers keeps single item sales fair. High demand drops do not double sell.

Scale Performance

Technology stack

ReactJS, NodeJS, AWS Lambda, API Gateway, DynamoDB, Elasticsearch, Salesforce, Stripe, Debounce, Numverify, Google Analytics, Google Optimize

Impact

  • Checkout errors reduced
  • Payout mismatches resolved
  • Fraud declined without hurting conversion
  • Analytics made actionable for product teams

Digital Transformation • Testing • AI ML • Mobile App • Embedded • Life Sciences • Clean Tech • IoT • Automation • Contact

Where we work with eCommerce innovators

Sequoia Applied Technologies partners with digital commerce teams in San Francisco, New York, Los Angeles, Miami, and Salt Lake City.

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