Tech Lead, AI Safety & Safety Data Systems - Remote

Trajectory Labs; Berkeley (CA); Hybrid; USD 250,000 - 400,000; Full time

Benefits offered by this job

Health coverage

401(k)

Food: Catered meals & snacks

Relocation assistance

Job summary

Trajectory Labs is hiring a Tech Lead in Berkeley, CA to build a software factory for safety data used to train and evaluate powerful AI models. You will lead researchers to create training datasets, environments, and evaluations, owning the architecture and final outcomes.

You’ll collaborate with frontier labs, handle tough technical problems, and navigate an early-stage startup with evolving priorities and significant impact potential.

Qualifications

• Impact-driven focus on frontier AI safety.
• Experience using coding agents and LLMs as core tools.
• Ability to turn vague research objectives into concrete plans.

Responsibilities

• Lead a team of researchers and contractors to build training datasets, environments, and evaluations.
• Own methodology, system architecture, production code, quality bar, and final results.
• Shape safety decisions and processes for training data and evaluation pipelines.

Skills

Impact-driven

Agent-native engineering

Autonomy & judgment

Startup mindset

AI safety familiarity

Robust collaboration

Job description

Trajectory Labs is hiring a Tech Lead in Berkeley, CA to build a software factory for safety data used to train and evaluate powerful AI models. You will lead researchers to create training datasets, environments, and evaluations, owning the architecture and final outcomes.

You’ll collaborate with frontier labs, handle tough technical problems, and navigate an early-stage startup with evolving priorities and significant impact potential.