engineering
Posted Nov 17, 2025Software Engineering Intern
at AfterQuery
San Francisco, United StatesOn-site
Responsibilities
- RESPONSIBILITIES - Build and scale complex data capturing workflows across web (Next.js) and desktop (Python) - Architect and optimize data pipelines that
Requirements
- We serve every frontier AI lab with the mission of delivering the best data to power the best models.
- This is a rare opportunity to join a company at a defining moment in AI.
- 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 and are based in San Francisco.
- experience from Citadel Securities, Meta, Google, Silver Lake, and Morgan Stanley – get to work with the best :)
- QUALIFICATIONS - Able to take a gap semester off and join our team in person in San Francisco - Proficiency in JavaScript (Next.js) and Python, with demonstrated
- experience building full-stack web applications -
- Experience with serverless architecture and cloud functions for implementing heavy data processing (GCP/AWS) - Storage, caching & search: Hands‑on with Redis (caching), Elasticsearch (indexing), and message queues (Kafka/RabbitMQ) to build scalable, low‑latency pipelines. - Any background in AI research, LLM evaluation, or human‑in‑the‑loop systems -
Benefits
- Since raising our $30M Series A at a $300M valuation, AfterQuery has grown well over a $100M revenue run rate.
Contact
- ABOUT AFTERQUERY AfterQuery https://www.afterquery.com/ is an applied research lab curating data solutions for foundation model development.
Additional details
- In doing so, we can make expertise that once took a lifetime to build available to anyone who needs it.