Backend Engineer, Ads Pixel

Whop•Palo Alto, CA

15h•Onsite

About The Position

The ads team owns the product surfaces that drive growth for businesses on Whop. As an ads pixel engineer, you will own the pipelines that ship every purchase, signup, and conversion on Whop - reliably, accurately, and in real time - to the business owners, CRMs, and ad networks they work with. Better signal means better ads, lower CAC, and more revenue for every business on Whop.

Requirements

Minimum of 5 years experience in a software development role
Ability to work in a fast-paced startup environment with imperfect information
Curiosity and drive to continuously seek ways to make the product better
Ability to ship fast, reliable software with a high attention to detail
Experience building high-throughput backend systems and event pipelines
Excellent communication skills

Nice To Haves

Startup experience or experience as a technical founder
You've shipped a CAPI, server-side tagging, or conversion API integration before (Meta, TikTok, Google, Snap, Reddit, etc.)
Familiar with CRM APIs — HubSpot, GoHighLevel, Klaviyo, Salesforce, or similar
Comfortable thinking about attribution, match rates, deduplication, and identity resolution
Experience with Ruby on Rails, Sidekiq, and high-volume queueing systems

Responsibilities

Own and scale the event pipeline that fans out Whop's first-party conversion data to every ad platform and CRM we integrate with
Ship new destinations end to end - auth, schema mapping, identity matching, deduplication, retries, and backfill
Push match rates higher on every destination through better identity resolution, hashing, and normalization
Deepen observability so we can answer "did this event land, get matched, and get attributed?" for any conversion, on any destination
Work closely with the ad networks team to close the loop between ad spend and outcomes