About AfterQuery

AfterQuery is an applied research lab curating data solutions for foundation model development.

We serve every frontier AI lab with the mission of delivering the best data to power the best models. In doing so, we can make expertise that once took a lifetime to build available to anyone who needs it. Our customers are the ones building the foundation models themselves and our work sits directly in the loop of how those systems improve.

This is a rare opportunity to join a company at a defining moment in AI. Since raising our $30M Series A at a $300M valuation, AfterQuery has grown well over a $100M revenue run rate.

We're based in San Francisco and backed by leading investors including Altos Ventures, BoxGroup, and Y Combinator and angels from Google DeepMind, OpenAI, Anthropic, Meta Superintelligence Labs, and Microsoft AI.

Why Apply

Massive Opportunity:
We were one of the fastest-growing YC companies in our batch, and we believe we can become one of the fastest-growing YC companies of all time.

Founding Impact:
You will own and architect core infrastructure systems that power our platform from the ground up.

Equity & Growth:
Competitive salary and meaningful equity. As we scale, you’ll have the opportunity to shape the engineering organization and lead major technical initiatives.

Strong Team:
Our founding team has experience from Citadel Securities, Meta, Google, Silver Lake, and Morgan Stanley — work alongside world-class engineers and researchers.

Overview

​​Your job is to open doors at the world’s leading AI labs. As our Business Development Representative, you will be the first point of contact for prospective customers—identifying, reaching, and engaging the research teams that can benefit most from our data and evaluation products. This is a foundational sales hire at an early-stage company: you won’t just run a playbook, you’ll help build one. Working closely with the founding team, you will turn cold outreach into warm conversations and warm conversations into qualified pipeline.

Responsibilities

Research and identify key contacts at frontier AI labs and enterprise prospects.

Run outbound prospecting campaigns across cold email, LinkedIn, Twitter/X, and industry events—tailored to highly technical buyers.

Qualify inbound leads and route them to the appropriate team members.

Partner with the founding team to refine ICPs, messaging, and outbound playbooks—building the sales motion from the ground up.

Develop deep enough product understanding to articulate AfterQuery’s value proposition (data → measurable model improvement) in initial conversations.

Track pipeline activity, maintain CRM hygiene, and report on outbound metrics.

Required Qualifications

Enough technical literacy to hold a credible conversation about AI/ML concepts like model training, evaluation, and data quality.

Exceptional written communication—your cold emails need to be sharp, concise, and credible, not templated.

A scrappy, self-starter mentality that thrives in ambiguity; you’re energized by building something from scratch rather than inheriting a playbook.

Experience selling into technical or R&D-oriented buyers.

Familiarity with outbound tooling (CRM, sequencing tools, LinkedIn Sales Navigator, etc.).

Comfort engaging prospects across multiple channels—email, LinkedIn, Twitter/X, and in-person events.

High output with high standards—you can run outreach at real volume and still make every message land.

A bias toward action and iteration over perfection.