Jobs and Careers
AJ

Customer Activation

ajax
New York City, USAfull_timeVerifiedPosted 27 Sept 2026

About the role

Get in early at a hypergrowth AI startup and own the customer journey end-to-end!

You’ll get more responsibility than you can handle, guaranteed :-)

 

LOCATION

- Mon-Fri in NYC HQ (we learn best shoulder-to-shoulder)

 

ABOUT AJAX

Lawyers track their time in 6-minute increments. Lost billables and time cost them $100B/year.

Today, Ajax uses AI to automate timekeeping, find lost billables, and make lawyers’ days suck less.

Long-run, we’ll use data Ajax already processes - emails, docs, zooms, calls, browsing, and more - to file emails, automate reporting, manage firm profitability, preempt angry clients, and more.

Stage: We're well past product-market fit, with customers saying things like “this app saved my life” and “I’m divorcing my husband for Ajax.” Revenue has doubled roughly every quarter since March 2025.

Team: We're a team of 14 right now. You'll join Sophia Fein https://www.linkedin.com/in/sophia-fein-54a352198/, Tyler Argov http://linkedin.com/in/tyler-argov-5387541b7, Brandon Schneider https://www.linkedin.com/in/bdschneider/, Caleb Sussman https://www.linkedin.com/in/caleb-hearst-sussman and Danielle Hughes https://www.linkedin.com/in/danielle-hughes-347818201/ in the activation role.

 

TAKE IT FROM OUR CUSTOMERS

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WHO YOU'LL BE WORKING WITH:

- Jack Weinberger https://www.linkedin.com/in/jackweinberger/ Founder, GTM (Yale, PE, Chief of Staff at Humming Homes https://humminghomes.com/about)

- Alex Weinberger https://www.linkedin.com/in/alex-weinberger Founder, Eng. & Product (Amazon, Founding Eng. at dub https://www.dubapp.com/)

- Roger Jin https://www.linkedin.com/in/roger-jin-96a12a76/ - Founding Senior ML Engineer (Harvard, Carnegie Mellon, nference https://nference.com/)

- Sophia Fein https://www.linkedin.com/in/sophia-fein-54a352198/ - Founding Customer Activation (Mintz Levin https://www.mintz.com, KPMG https://kpmg.com/us/en.html)

- Tyler Argov http://linkedin.com/in/tyler-argov-5387541b7 - Founding Customer Activation (Investment Banking Analyst at Raine https://raine.com)

- Brandon Schneider https://www.linkedin.com/in/bdschneider/ - Founding Customer Activation (Litigation at Mintz Levin https://www.mintz.com, startup)

- Caleb Sussman https://www.linkedin.com/in/caleb-hearst-sussman - Founding Customer Activation (UChicago, Strategy at Ares Management https://www.aresmgmt.com and BNY https://www.bny.com)

- Danielle Hughes https://www.linkedin.com/in/danielle-hughes-347818201/ - Founding Customer Activation (Georgetown CS, FTI Consulting https://www.fticonsulting.com)

- Andrew Sheeler https://www.linkedin.com/in/andrewsheeler/ - Full Stack Engineer (Harvard, AngelList)

- Nat Fernelius https://www.linkedin.com/in/nat-fernelius-520666270/ - Full Stack Engineer (ML at EY)

- Andrew Emil https://www.linkedin.com/in/andrew-emil-1636b9ab - Full Stack Engineer (Google, Co-founder at Xent Labs http://linkedin.com/company/xent-labs/)

- David Esterlit https://www.linkedin.com/in/david-esterlit/ - Account Executive (Princeton, founded and sold his own furniture wholesaling company)

- Dillon Lemire https://www.linkedin.com/in/dillonlemire/ - Founding Account Executive (BD Team Lead at Luminance https://www.luminance.com, Systems Engineer at Lockheed Martin https://www.lockheedmartin.com)

- Tajus Gopal https://www.linkedin.com/in/tajus-g-473951272/ - SDR (Rippling)

 

WHY THIS ROLE IS CRITICAL

You’ll win pilots - the most important point in the customer journey:

Each new firm runs a pilot before subscribing. They only buy if users understand the app, feel supported, and see their preferences reflected in it. You’ll own the user experience and pilot outcomes.

You’ll drive referrals:

Almost 50% of our new firms come from referrals and word of mouth. Your work to make customers love Ajax will fuel this.

You’ll help Ajax scale:

Our pilots reliably get users to an “aha” moment (we’ve won 97% of our pilots), but it’s high-touch. We run kickoffs, coach users, customize settings, spot issues, build fixes, document ROI, and more.

By writing playbooks, automations, and reports that help us onboard more firms, you have the opportunity to directly double or triple our growth rate.

You’ll get room to run

You’ll have broad latitude to remake our processes, and your own role, as we grow. We don’t want rule-followers - we want to hire incredible people and give them lots of room to build.

If you succeed, you will be the reason Ajax

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Company

ajax

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