Personalized ranking systems that predict which items a user will engage with — historically classical ML, increasingly LLM-augmented with semantic reranking and conversational interfaces. Primary AI lifecycle stage: application.
844 active AI roles across 98 companies in our index reference Recommender systems as of today.
The companies with the most active Recommender systems listings are: Amazon (221 roles), Google (52 roles), Walmart (49 roles), Apple (33 roles), JPMorgan Chase (28 roles).
Recommender systems primarily belongs to the application stage of the AI lifecycle. In current hiring, Recommender systems roles concentrate at: application (49%), agents (35%).
The sectors with the most active Recommender systems hiring are: Big Tech, Consumer, Enterprise.
Personalized ranking systems that predict which items a user will engage with — historically classical ML, increasingly LLM-augmented with semantic reranking and conversational interfaces.
Primary AI lifecycle stage: application.
As of today, 844 active AI roles across 98 companies in our index reference Recommender systems. Hiring concentrates at the application (49%) and agents (35%) stages. Most common sectors: Big Tech, Consumer, Enterprise.
295 AI roles tagged recommender_systems.
| Company | Title | Sector | AI score | Other tags |
|---|---|---|---|---|
| Airbnb | Principal Engineer -In Bayesian, Large Foundational Systems, and Distributional Reinforcement Learning | Consumer | 9 | Agent orchestration · Multi-agent · LLM observability · Multimodal · Frontier research |
| Spotify | Machine Learning Engineer - Personalization, Horizon | Consumer | 9 | Agent orchestration · LLM observability · Fine-tuning · Model serving |
| Spotify | Senior Machine Learning Engineer - Personalization, Horizon | Consumer | 9 | Agent orchestration · LLM observability · Fine-tuning · Multimodal |
| Instacart | Senior Machine Learning Engineer II, Ads Response Prediction | Consumer | 9 | Fine-tuning · Search & ranking |
| Roblox | Principal/Senior Machine Learning Scientist - Search and Discovery | Consumer | 9 | Agent orchestration · Multimodal · Vision · Inference infra · Model serving |
| Uber | Senior Staff Machine Learning Engineer – Moonshot AI | Consumer | 9 | Multimodal · Vision · Audio & speech · LLM observability · Evals · Fine-tuning · RAG · Model serving |
| Instacart | Machine Learning Engineer, PhD Intern | Consumer | 9 | LLM observability · RAG · Fine-tuning · Inference infra · Model serving · Search & ranking · Agent research · Evals |
| Senior Machine Learning Engineer, Ads Foundational Representations | Consumer | 8 | Fine-tuning · Multimodal · LLM observability · Search & ranking · Inference infra · Model serving | |
| Roblox | Senior Machine Learning Engineer, User Behavior | Consumer | 8 | Agent orchestration · Vector DB · RAG · Model serving |
| Principal Engineer, AI Platform | Consumer | 8 | Model serving · Inference infra | |
| Staff Machine Learning Systems Engineer, Embeddings Platform | Consumer | 8 | Search & ranking · Model serving · Inference infra | |
| Sr. Staff Machine Learning Engineer, Agentic Ads | Consumer | 8 | Agent orchestration · Model serving · Search & ranking · Multimodal | |
| Instacart | Senior Machine Learning Engineer, Search & Recommendations | Consumer | 8 | Search & ranking · Model serving · Inference infra |
| Duolingo | Senior AI Engineering Manager | Consumer | 8 | Fine-tuning · Model serving · LLM observability · Evals |
| Duolingo | Senior AI Engineering Manager | Consumer | 8 | Fine-tuning · Model serving · LLM observability · Evals |
| Chegg | Machine Learning/ AI Engineer | Consumer | 8 | Agent orchestration · Tool use · RAG · LLM observability · Model serving · Inference infra |
| Instacart | Senior Engineering Manager, Search | Consumer | 8 | Search & ranking · LLM observability · Model serving · Inference infra · RAG · Vector DB |
| DoorDash | Senior Staff Machine Learning Engineer | Consumer | 8 | Search & ranking |
| Oura | Senior AI Engineer – Health Intelligence | Consumer | 8 | Agent orchestration · Tool use · Evals · Guardrails · LLM observability · RAG · Vector DB · Fine-tuning · Model serving · Multimodal · Agent research |
| Staff Machine Learning Engineer | Consumer | 8 | Agent orchestration · Search & ranking · Vector DB · Model serving · Inference infra | |
| Roblox | Director of Engineering, Economy ML | Consumer | 8 | Search & ranking · Model serving · Inference infra · Multimodal |
| Snap | Principal Machine Learning Engineer, Content ML, Level 7 | Consumer | 8 | Search & ranking · Model serving · Multimodal |
| DoorDash | Staff Machine Learning Engineer, Fulfillment Planning | Consumer | 8 | Model serving · Inference infra |
| Snap | Staff Machine Learning Engineer, Search Ranking | Consumer | 8 | Search & ranking · Model serving · RAG · LLM observability |
| Airbnb | Senior Data Scientist, Guest Travel Insurance (Algorithms) | Consumer | 8 | Model serving |
| Spotify | Senior Machine Learning Engineer, Zeitgeist, Personalization | Consumer | 8 | Agent orchestration · Tool use · RAG · Vector DB · LLM observability |
| Discord | Senior Software Engineer, Machine Learning (Ads) | Consumer | 8 | Search & ranking · Model serving · Inference infra |
| Sr. Data Scientist, AI/ML Systems | Consumer | 8 | Evals · Search & ranking | |
| Airbnb | Staff Product Manager, AI Personalization | Consumer | 8 | RAG · LLM observability · Agent orchestration |
| Sr. Staff Machine Learning Engineer, Content Quality | Consumer | 8 | LLM observability · Vision · Model serving |