What is JAX and how common is it in AI job postings?

JAX is a skill in the "Frameworks & Tools" category. It currently appears in 242 active AI roles across 39 companies in our index.

Which companies are hiring for JAX?

The top employers with active AI roles mentioning JAX are: NVIDIA (51), Amazon (38), Google (34), Apple (30), Cohere (15).

Is demand for JAX growing?

Over the last 12 weeks, 138 new AI postings mentioned JAX. Demand is rising — up 139% in the last four weeks compared to the earliest four weeks in the window.

At which stage of AI development is JAX used?

Roles requiring JAX are concentrated in: serving infrastructure (40%), post-training (17%), agents (14%). These stages follow a seven-stage AI lifecycle from data preparation through to shipped product.

What skills are commonly paired with JAX?

Job postings that mention JAX most often also require: PyTorch, Python, Machine Learning, TensorFlow, Computer Architecture.

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JAX

242 active AI roles across 39 companies mention JAX. Category: Frameworks & Tools.

Demand trend

New AI postings mentioning JAX per week — 138 total over 12 weeks.

Sector

All Big Tech · 116 Semiconductors · 59 AI Frontier · 42 Robotics · 7 Enterprise · 4 Data AI · 3 Vertical AI · 2 Multimodal · 2 Fintech · 2 Consumer · 2 Retail · 1 Insurance · 1 Defense · 1

Function

All Engineering · 179 Research · 63

Status

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242 AI roles requiring this skill.

Company	Title	Sector	AI score	Stage
NVIDIA	AI Inference Performance Engineer - New College Grad 2026	Semiconductors	9	L3
NVIDIA	Senior Deep Learning Performance Architect	Semiconductors	9	L3
Amazon	Sr. Applied Scientist, Amazon Cyber Threat Intelligence	Big Tech	9	L4
Microsoft	Member of Technical Staff, Microsoft Robotics (Spatial AI)	Big Tech	9	L0
Microsoft	Member of Technical Staff, Microsoft Robotics (Robot Learning)	Big Tech	9	L6
Google	Research Scientist, Efficient AI	Big Tech	9	L3
Google	Research Engineer, Agentic Security & Privacy Post-Training for Gemini, DeepMind	Big Tech	9	L2
Amazon	Member of Technical Staff - Science, Frontier AI & Robotics (FAR)	Big Tech	9	L2
Amazon	Human-Robot Interaction Applied Scientist , Fauna	Big Tech	9	L4
Apple	Machine Learning Engineer, Apple Services Engineering	Big Tech	9	L2
Google	Staff Research Scientist, AI2 Research	Big Tech	9	L1
Apple	AIML - Machine Learning Researcher, MLR	Big Tech	9	L1
Amazon	Member Of Technical Staff - Hardware Science, Frontier AI & Robotics (FAR)	Big Tech	9	L6
Intel	Neuromorphic Applications Researcher- Temporary Position	Semiconductors	9	L6
Writer	AI engineer	AI Frontier	9	L4
Writer	AI engineer (UK)	AI Frontier	9	L4
Wayve	Applied Scientist, Wayve Labs	Robotics	9	L4
Amazon	Member of Technical Staff - Hardware Science, Frontier AI & Robotics (FAR)	Big Tech	9	L6
Amazon	Member of Technical Staff - Science, Frontier AI & Robotics (FAR)	Big Tech	9	L4
Apple	Machine Learning Architect - Conversational Speech	Big Tech	9	L2
Cohere	Machine Learning Intern/Co-op (Fall, 2026)	AI Frontier	9	L2
Mistral AI	AI Scientist - Warsaw	AI Frontier	9	L1
Amazon	Member of Technical Staff - Science, Frontier AI & Robotics (FAR)	Big Tech	9	L2
Visa	Data Science Manager	Fintech	9	L4
NVIDIA	Principal High-Performance LLM Training Engineer	Semiconductors	9	L1
Lila Sciences	ML Scientist I / II, Foundation Models for Life Sciences	AI Frontier	9	L1
Lila Sciences	Principal, Machine Learning Engineer	AI Frontier	9	L0
Intel	AI Algorithm Research Intern – Neuromorphic Computing	Semiconductors	9	L0
Apple	AIML - Machine Learning Engineer in Foundation Models, Responsible AI and Safety	Big Tech	9	L2
Lila Sciences	Senior / Principal ML Scientist, Foundation Models for Life Sciences	AI Frontier	9	L1

Frequently asked questions

What is JAX and how common is it in AI job postings?
JAX is a skill in the "Frameworks & Tools" category. It currently appears in 242 active AI roles across 39 companies in our index.
Which companies are hiring for JAX?
The top employers with active AI roles mentioning JAX are: NVIDIA (51), Amazon (38), Google (34), Apple (30), Cohere (15).
Is demand for JAX growing?
Over the last 12 weeks, 138 new AI postings mentioned JAX. Demand is rising — up 139% in the last four weeks compared to the earliest four weeks in the window.
At which stage of AI development is JAX used?
Roles requiring JAX are concentrated in: serving infrastructure (40%), post-training (17%), agents (14%). These stages follow a seven-stage AI lifecycle from data preparation through to shipped product.
What skills are commonly paired with JAX?
Job postings that mention JAX most often also require: PyTorch, Python, Machine Learning, TensorFlow, Computer Architecture.

JAX

Top employers

Often paired with

Demand trend

Frequently asked questions

Demand trend

JAX

Top employers

Often paired with

Frequently asked questions