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Jobs at Trajectory

6 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.

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  • Member of Technical Staff - ML Infra

    4 weeks ago

    Trajectory · San Francisco, California, United States

    On-siteFull-timeLead / staffData & AI

    As an ML Infrastructure Engineer at Trajectory, you will develop algorithms and own the innermost loop of our continual learning platform: the ML training stack!

  • Founding Recruiter

    5 weeks ago

    Trajectory · San Francisco, California, United States

    On-siteFull-timePeople & HR

    Trajectory’s mission to build the platform for continual learning is ambitious, and requires exceptional talent to make it happen. We're hiring a Founding Recruiter to design the operating system for how we find outliers, assess their fit for Trajectory, and convince them to…

  • Member of Business Staff

    8 weeks ago

    Trajectory · San Francisco, California, United States

    On-siteFull-timeLead / staff

    Trajectory is hiring a Member of Business Staff to help build the business around our continual-learning platform. You will work directly with the founders across go-to-market, strategic partnerships, customer success, pricing, external communications, and business operations.

  • Member of Technical Staff - Design Eng

    5 months ago

    Trajectory · San Francisco, California, United States

    On-siteFull-timeLead / staffDesign

    As a Design Engineer at Trajectory, you will craft the product experience that makes continual learning legible and intuitive.

  • Member of Technical Staff - Research

    5 months ago

    Trajectory · San Francisco, California, United States

    On-siteFull-timeLead / staffScience & research

    As a Member of Technical Staff (Research) at Trajectory, you will design and build the post‑training stack that lets our customers’ models continually learn from real production workflows. You will own end‑to‑end experiments across data, training, and evaluation: shaping…

  • Member of Technical Staff - Generalist

    6 months ago

    Trajectory · San Francisco, California, United States

    On-siteFull-timeLead / staff

    As a Generalist Engineer at Trajectory, you will craft the product experience that makes continual learning legible and intuitive.

Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.