Backend Engineer, Ads Pixel

About Whop

Whop is a financial technology company on a mission to provide the world with sustainable income. Our vision is to create the world’s largest internet market, where people can create, connect, and transact all from a single platform. Whop enables individuals and businesses to accept payments, launch ventures, and engage with others across the network.

Today, Whop facilitates over $3 billion in annual payouts to people in 144 countries. Growth continues to accelerate, with gross transaction volume increasing roughly 25% month over month.

Whop has raised hundreds of millions from institutional investors like Insight, Bain Capital Ventures, A*, and Peter Thiel — including a recent strategic investment from Tether, the largest stablecoin company in the world.

Our current team is made up of young, passionate entrepreneurs who grew up on the internet — over 75% built a business before joining Whop, including 53 former founders and 30 who scaled past $1M in revenue. Product leadership includes backgrounds from Meta and Robinhood.

For more information, visit whop.com.

About the Role

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.

What you'll do

• 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

What you need

• 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 have

• 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

Benefits overview

• ✅ Base salary of $250K+ a competitive equity package + opportunity for ownership in product's success 
• ❤️ Unlimited PTO, with full health, vision, dental coverage
• 🍕 Lunch & dinner paid for Monday through Friday
• 🏋️‍♀️ Free Equinox membership
• 🚴 Free Citibike membership
• 🚗 Free Ubers home after 10pm
• 🏡 $9k annual rent subsidy if you live within 4 blocks of our office
• 💻 Latest MacBook Pro & tech accessories