Software Engineering Intern

About AfterQuery

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. Forbes reported that we could be YC's fastest unicorn, reportedly raising at a $3.2 billion valuation. 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: Forbes reported that we could be YC's fastest unicorn, reportedly raising at a $3.2 billion valuation, and we're not slowing down.

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.

Overview

Working with our core engineering team, you’ll be critical in creating data infrastructure that will be shaping the future development of frontier models. You will get a lot of responsibility, owning entire projects end-to-end – meaning you can see your impact instantly.

Responsibilities

• Build and scale complex data capturing workflows across web (Next.js) and desktop (Python)
• Architect and optimize data pipelines that experience high throughput, with heavy loads
• Collaborate with the founding team to define product strategy and ship features fast.
• Set engineering best practices and lay the groundwork for future team growth.

Required 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

Preferred Qualifications

• Experience getting your ideas into production (founder experience preferred)

Company Benefits (For Eligible Employees):

We comply with applicable pay transparency requirements and provide compensation ranges based on the position, qualifications, experience, and other relevant factors. Reasonable accommodations are available to qualified individuals with disabilities and for sincerely held religious beliefs, as required by law. This job description is intended to describe the general nature and level of work performed and is not an exhaustive list of all duties, responsibilities, qualifications, or working conditions associated with the position.