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Principal Applied Scientist, AAIS

AI assistants are getting genuinely good at remembering individuals: your preferences, your projects, the thread you left open last week. But that memory stops at the edge of one person's usage. It doesn't reach the level at which real work

Company

Amazon

Location

Seattle, Washington, USA

Status

Open

Posted

2026-09-18T00:00:00+00:00

Amazon's AAIS group is hiring a Principal Applied Scientist in Seattle, on-site, to set the scientific direction for AI that models how a team works, not just one person's memory. The role spans knowledge representation, temporal reasoning, retrieval, proactive agent behavior, evaluation, synthetic data and model efficiency. It asks for a PhD or a master's with 8+ years, 10+ years shipping ML systems, LLM depth plus two listed specialisms, and Python. Scientists here own capabilities end to end, working against real usage rather than benchmarks alone.