AfterQuery
Software Engineer - Platform/Applied AI
$200K–$400K
San Francisco · On-site · Full-time · Posted Apr 14, 2026
About the job
Build and scale data infrastructure and workflows that support foundation model development, while helping shape AfterQuery’s engineering practices and product strategy.
What you'll do
- Build data-capture workflows for web and desktop, and architect high-throughput data pipelines.
- Collaborate with the founding team to define product strategy and ship features.
- Set engineering best practices and help prepare the team to grow.
What they ask for
- Proficiency in JavaScript (Next.js) and Python, with demonstrated experience building full-stack web applications.
- Experience with serverless architecture and cloud functions for heavy data processing (GCP/AWS).
- Hands-on experience with Redis, Elasticsearch, and message queues (Kafka/RabbitMQ) for scalable, low-latency pipelines.
- Experience getting ideas into production.
Nice to have
- Founder experience.
- Background in AI research, LLM evaluations, or human-in-the-loop systems.
Pay
$260K – $290K USD base salary; $200K – $400K USD bonus
Tools
JavaScript, Next.js, Python, GCP, AWS, Redis, Elasticsearch, Kafka/RabbitMQ
AI focus
Build data infrastructure for foundation model development; AI research, LLM evaluations, and human-in-the-loop systems are preferred background areas.
Model-written summary · the original posting is authoritative