Trajectory
Member of Technical Staff - Generalist
San Francisco · Staff+
Sponsorship not specifiedDetected 76 days ago
Full-Stack DevelopmentData EngineeringResearch
About the role
- JOB DESCRIPTION As a Generalist Engineer at Trajectory, you will craft the product experience that makes continual learning legible and intuitive.
- This includes trajectory visualization, evaluation workflows, monitoring dashboards, and the core product interfaces that sit on top of our leading RL infrastructure.
- You will help define the visual language, interaction patterns, and product philosophy of Trajectory.
Responsibilities
- You'll work directly with the founders and industry-leading design partners (Series B+ AI vertical product companies) to translate frontier RL systems into a clean, developer-first product experience.
Requirements
- Strong full-stack or backend engineering experience
- Experience with data pipelines, telemetry systems, or event infrastructure
- Ability to move quickly in a zero-to-one environment
Nice to have
- Experience at early-stage developer tooling startups
Benefits
- As a Generalist Engineer at Trajectory, you will craft the product experience that makes continual learning legible and intuitive.
- We are building the interface for continual learning.
Company info
- our platform unlocks the signal already sitting in product use, so companies can continuously post-train large-scale agentic models that outperform the frontier.
- Working with leading AI companies, including Decagon, Clay, Harvey, Mercor, and Rogo.
- Founded by researchers from Deepmind, OpenAI, Meta, Apple, Amazon, and Scale. $15M led by Conviction, with Fei-Fei Li, Jeff Dean, and founders of Notion, Braintrust, Modal, Hugging Face, and Dropbox.
- You will own the SDK, API surfaces, and integration infrastructure that help customers understand, debug, and trust continually improving models.
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This listing is sourced directly from Trajectory's careers page and normalized into a canonical job model.