YUGENOX·JOBS

AfterQuery - Senior Infrastructure Engineer, Applied AI

deCircle · San Francisco, California, United States

About the role

AfterQuery: novel datasets and data infrastructure for frontier AI labs (85 people, $34M raised, SF).

Comp: $250K-$350K base (OTE $300K-$450K (bonus up to $100K)) + competitive equity. Location: On-site 5 days, FiDi SF. Visa: Visa transfers (OPT, H1B).

Responsibilities

- Design/build core shared infra for data generation, HITL systems and eval pipelines

- Own foundational systems for scale and reliability

- Provide platform/services to vertical eng teams

- Architect distributed systems for large-scale, high-throughput workloads

- Set eng best practices; mentor the junior team

Tech stack: Node.js, Python, Kubernetes, Kafka, Redis, Elasticsearch, AWS, GCP

Source: https://www.paraform.com/share/afterquery/cmox601tw00110dlkapdfla2j

Requirements

- 6-10 yrs platform infrastructure with full-stack capability

- Scalable, reliable, high-throughput systems track record

- Node.js, Python, Kubernetes, Kafka, Redis, Elasticsearch, AWS/GCP

- Mentoring; HITL data or high-growth startup a plus

- On-site 5 days FiDi SF

Text as published by deCircle. We don't edit postings; apply and ask questions on the employer's site.

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Posted
Oct 12, 2026 (30 days ago)
First seen by us
Nov 11, 2026
Still listed
Nov 11, 2026
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