How many AI roles reference Pretraining right now?

224 active AI roles across 45 companies in our index reference Pretraining as of today. New postings fell 34% in the last 30 days versus the prior 30 (59 → 39).

Which companies are hiring for Pretraining roles?

The companies with the most active Pretraining listings are: Capital One (25 roles), NVIDIA (22 roles), Meta (19 roles), Microsoft (19 roles), Google (13 roles).

What AI lifecycle stage does Pretraining belong to?

Pretraining primarily belongs to the pre-training stage of the AI lifecycle. In current hiring, Pretraining roles concentrate at: pre-training (65%), post-training (21%).

What sectors invest most in Pretraining?

The sectors with the most active Pretraining hiring are: Big Tech, AI Frontier, Semiconductors.

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Pretraining

Initial large-scale training of foundation models on massive unlabeled corpora to learn general representations; the most compute-intensive stage of the lifecycle.

Primary AI lifecycle stage: pre-training.

As of today, 224 active AI roles across 45 companies in our index reference Pretraining. Hiring concentrates at the pre-training (65%) and post-training (21%) stages. Most common sectors: Big Tech, AI Frontier, Semiconductors. New postings fell 34% in the last 30 days versus the prior 30 (59 → 39).

Top hiring:

Sector

All Big Tech · 124 AI Frontier · 63 Semiconductors · 43 Banking · 26 Enterprise · 22 Data AI · 11 Quant · 9 Robotics · 8 Fintech · 7 Multimodal · 5 Consumer · 3 Pharma · 2 Healthcare · 2 Hospitality · 1 Coding AI · 1

Function

All Research · 235 Engineering · 87 Product · 5

Status

All Active only

124 AI roles tagged pretraining.

Company	Title	Sector	AI score	Other tags
Google	Post-Doctoral Researcher, PhD, 2026 Start, DeepMind (Fixed-Term Contract) -	Big Tech	10	Frontier research
Meta	Postdoctoral Researcher (PhD) - FAIR - Core Learning	Big Tech	10	Frontier research · Fine-tuning · Interpretability
Meta	Staff Research Scientist, FAIR (RL / LLM's)	Big Tech	10	Frontier research · Vision · Multimodal · Audio & speech · Code gen
Meta	Research Scientist, FAIR SGT - New York	Big Tech	10	Frontier research · Fine-tuning · Evals
Meta	Research Scientist, Artificial Intelligence	Big Tech	10	Frontier research · Fine-tuning · Agent research · Multimodal
Apple	AIML - Machine Learning Researcher, MLR	Big Tech	10	Frontier research · Interpretability · Multimodal
Meta	Fundamental AI Researcher - FAIR	Big Tech	10	Frontier research · Interpretability · Multimodal
Meta	Research Engineer - FAIR, SGT	Big Tech	10	Frontier research · Fine-tuning · Model serving · Evals · Code gen
Apple	AIML - Machine Learning Researcher, MLR	Big Tech	10	Frontier research · RL post-training · Multimodal · Audio & speech
Meta	AI Research Scientist - Meta Superintelligence Labs	Big Tech	10	Frontier research · Audio & speech · RL post-training · Fine-tuning · Evals
Meta	Research Scientist, FAIR	Big Tech	10	Frontier research · Fine-tuning
Meta	Research Scientist, FAIR SGT - Paris	Big Tech	10	Frontier research · Fine-tuning · Evals
Microsoft	Senior Researcher - Artificial Intelligence and Machine Learning - Microsoft Research	Big Tech	10	Frontier research · Interpretability · Evals
Meta	Research Scientist, AI Research (PhD)	Big Tech	10	Frontier research
Microsoft	Researcher	Big Tech	10	Frontier research
Microsoft	Senior Researcher - Foundations of Generative AI- Microsoft Research	Big Tech	10	Frontier research · Multimodal · Agent research · Vision
Meta	AI Research Scientist, Media Data Research - MSL FAIR	Big Tech	10	Synthetic data · Frontier research · Multimodal · Fine-tuning
Meta	AI Research Scientist, Text Data Research - MSL FAIR	Big Tech	10	Synthetic data · Frontier research · RL post-training · Agent research
Meta	Research Scientist Intern, FAIR - Language & Multimodal Foundations (PhD)	Big Tech	10	Frontier research · Multimodal · Vision · Audio & speech
ByteDance	Research Scientist - Seed Multimodal Interaction and World Model	Big Tech	10	Multimodal · Frontier research · RL post-training · Agent research
Amazon	Member of Technical Staff, Artificial General Intelligence	Big Tech	9	Frontier research · Fine-tuning · Multimodal · LLM observability
Apple	AIML - Machine Learning Researcher - MLR	Big Tech	9	Frontier research · Interpretability · Model serving
Google	Software Engineer, Foundational ML Research	Big Tech	9	Fine-tuning · Frontier research
ByteDance	Research Scientist - 3D/4D Reconstruction/Generation, PICO	Big Tech	9	Multimodal · Fine-tuning · Evals
Meta	Research Scientist, AI & Systems Co-design (PhD)	Big Tech	9	Inference infra · Model serving · Frontier research · Fine-tuning · Recommender systems
Google	Research Engineer, Pretraining, DeepMind	Big Tech	9	Fine-tuning · Model serving · Inference infra
Meta	AI Research Scientist - Language - Meta AI (MRS)	Big Tech	9	Frontier research · LLM observability · Recommender systems · Search & ranking
Google	Senior Staff Engineer, TPU Co-Design	Big Tech	9	Inference infra · Model serving · Frontier research
Google	Staff AI Research Engineer, Large User Models	Big Tech	9	Recommender systems · Frontier research · Evals
Amazon	Software Engineer I - AI/ML, AWS Neuron Distributed Training	Big Tech	9	Fine-tuning · Model serving · Inference infra

Frequently asked questions

What is Pretraining in AI?
Initial large-scale training of foundation models on massive unlabeled corpora to learn general representations; the most compute-intensive stage of the lifecycle. Primary AI lifecycle stage: pre-training.
How many AI roles reference Pretraining right now?
224 active AI roles across 45 companies in our index reference Pretraining as of today. New postings fell 34% in the last 30 days versus the prior 30 (59 → 39).
Which companies are hiring for Pretraining roles?
The companies with the most active Pretraining listings are: Capital One (25 roles), NVIDIA (22 roles), Meta (19 roles), Microsoft (19 roles), Google (13 roles).
What AI lifecycle stage does Pretraining belong to?
Pretraining primarily belongs to the pre-training stage of the AI lifecycle. In current hiring, Pretraining roles concentrate at: pre-training (65%), post-training (21%).
What sectors invest most in Pretraining?
The sectors with the most active Pretraining hiring are: Big Tech, AI Frontier, Semiconductors.