AfterQuery - Software Engineer – Marketplace

deCircle; San Francisco (CA); Hybrid; USD 250,000 - 400,000; Full time

Job summary

AfterQuery is hiring a Software Engineer to build growth infrastructure and marketplace tooling powering expert onboarding, interviewing, and matching at scale.

You will own end-to-end systems from outreach tooling and an AI interviewer to ML-driven recommendations, enabling the growth team to hire and retain domain experts efficiently in a fast-paced environment.

Qualifications

• 2-5 years as a full-stack SWE.
• Proficient in TS/JS, Next.js, React, Node.js, Python.
• Experience with distributed systems and cloud (AWS/GCP).
• On-site in FiDi SF, with some remote Sundays.

Responsibilities

• Build and own the expert marketplace infrastructure: outreach, interviewing (including an AI interviewer), assessments, and onboarding tooling.
• Develop the hiring platform where experts are onboarded, managed, and dispatched to projects based on fit and availability.
• Create automations and internal tools that replace manual growth-team workflows.
• Partner with growth associates to identify bottlenecks, instrument the funnel, and ship high-leverage improvements quickly.
• Eventually build ML-driven recommendation systems that predict expert needs for new projects and automate staffing.

Skills

Full-stack SWE

TypeScript/JavaScript

Next.js

React

Node.js

Python

Kubernetes

Kafka

Redis

Elasticsearch

AWS

GCP

Autonomy

Tools

Kubernetes

Kafka

Redis

Elasticsearch

AWS

GCP

Job description

Source: Paraform - https://www.paraform.com/share/afterquery/cmtvx7t08001q0cl5ilzy32g7

Compensation: $250,000-$300,000 base (flexible for very strong background); OTE $300,000-$400,000 with performance bonus up to $100K; competitive equity.

Location: San Francisco (FiDi) - on-site Monday-Friday plus half-day or remote Sunday. Visa: open to transfers (OPT, H1B).

About this role

Software Engineer (Growth Infrastructure / Marketplace) with 2+ years of experience to build the core infrastructure powering expert acquisition, onboarding and matching at scale. Not a traditional growth engineering role: you'll build the platform and tooling that lets the growth team hire, assess, interview, onboard and retain domain experts, owning end-to-end systems from outreach tooling and AI-powered interviewing to automated expert-to-project matching, and eventually ML-driven recommendation systems.

What you will be doing

• Build and own the expert marketplace infrastructure: outreach, interviewing (including an AI interviewer), assessments, and onboarding tooling

• Develop the hiring platform where experts are onboarded, managed, and dispatched to projects based on fit and availability

• Create automations and internal tools that replace manual growth-team workflows

• Partner with growth associates to identify bottlenecks, instrument the funnel, and ship high-leverage improvements quickly

• Eventually build ML-driven recommendation systems that predict expert needs for new projects and automate staffing

Tech stack

TypeScript/JavaScript, Next.js, React, Node.js, Python, Kubernetes, Kafka, Redis, Elasticsearch, AWS, GCP

About AfterQuery

Builds novel datasets and frontier data-creation infrastructure for LLMs and AI agents (agentic and hard-reasoning workflows) for leading AI labs and YC companies; founders from Citadel Securities, Google, Meta, Morgan Stanley, Silver Lake. 85 employees, founded 2024, $34M total funding, FiDi SF.

• 2-5 years as a full-stack SWE

• TypeScript/JavaScript, Next.js, React, Node.js, Python

• Kubernetes, Kafka, Redis, Elasticsearch; AWS/GCP

• Comfortable with high autonomy and end-to-end ownership

• On-site M-F in FiDi SF, plus half-day or remote Sunday