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.
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.
52 AI roles tagged recommender_systems.
| Company | Title | Sector | AI score | Other tags |
|---|---|---|---|---|
| Expedia | Director, Machine Learning Science - Content AI | Hospitality | 9 | Agent orchestration · LLM observability · Fine-tuning · Model serving · Vision · Multimodal · RAG · Agent research |
| Expedia | Principal ML Scientist | Hospitality | 8 | Agent orchestration · LLM observability · Fine-tuning · Inference infra · Model serving · Search & ranking |
| Expedia | Senior Machine Learning Scientist - Personalization | Hospitality | 8 | Search & ranking · RAG |
| Expedia | Senior Machine Learning Scientist | Hospitality | 8 | Agent orchestration · Tool use · Evals · RAG · Fine-tuning · Model serving |
| Booking | Senior Machine Learning Scientist I - GenAI Applications | Hospitality | 8 | Agent orchestration · Fine-tuning · Multimodal · LLM observability · Model serving |
| Expedia | Principal Quantitative User Experience Researcher, AI | Hospitality | 7 | Evals · LLM observability · Agent research |
| Expedia | Sr. Data Scientist - Advertising Technology | Hospitality | 7 | Search & ranking |
| Expedia | Senior Machine Learning engineer - Distribution & Supply | Hospitality | 7 | Model serving · Inference infra · Search & ranking |
| Expedia | Machine Learning Scientist III - VRBO Pricing | Hospitality | 7 |
| Expedia | Data Scientist II - Marketing Automation Performance Analytics | Hospitality | 7 | Agent orchestration · RAG · LLM observability · Search & ranking |
| Booking | Machine Learning Scientist I - Performance Marketing | Hospitality | 7 | Search & ranking |
| Expedia | Machine Learning Engineer III | Hospitality | 7 | Model serving |
| Expedia | Machine Learning Scientist III | Hospitality | 7 | Search & ranking · Model serving · LLM observability |
| Expedia | Machine Learning Scientist II | Hospitality | 7 | Search & ranking · Forecasting · Model serving |
| Expedia | Senior Machine Learning Engineer | Hospitality | 7 | Model serving · Inference infra |
| Booking | Senior Machine Learning Scientist I - Performance Marketing | Hospitality | 7 | Search & ranking |
| Expedia | Machine Learning Scientist III, Personalization | Hospitality | 7 | Search & ranking · Fine-tuning · Model serving · RAG · LLM observability |
| Expedia | Senior Machine Learning Scientist, Personalization | Hospitality | 7 | Search & ranking · RAG |
| Expedia | Sr. Machine Learning Engineer - Advertising Technology | Hospitality | 7 | Model serving · Inference infra · Search & ranking |
| Booking | Senior Product Manager - Recommendations Applications (RecApp) | Hospitality | 7 | Search & ranking |
| Booking | Machine Learning Engineer II - Benefits & Pricing Track | Hospitality | 7 | Model serving · Inference infra |
| Expedia | Machine Learning Scientist II | Hospitality | 7 | Agent orchestration · RAG · Fine-tuning · Model serving · Search & ranking |
| Expedia | Machine Learning Scientist III - Package Pricing | Hospitality | 7 |
| Expedia | Principal Software Development Engineer - Loyalty | Hospitality | 7 | Agent orchestration · Tool use · LLM observability · RAG · Vector DB · Model serving |
| Expedia | Principal, Product Design – Search | Hospitality | 7 | Search & ranking · LLM observability |
| Booking | Machine Learning Manager - Recommendations & Smart Positioning | Hospitality | 7 | Model serving |
| Expedia | Senior Manager, Machine Learning Science - Bundled Products Recommendations | Hospitality | 7 | Search & ranking |
| Expedia | Senior Machine Learning Scientist - CRM Marketing | Hospitality | 7 |
| Expedia | Machine Learning Scientist III | Hospitality | 7 | Model serving |
| Expedia | Machine Learning Scientist III - Multi-Product AI | Hospitality | 7 | Search & ranking · Model serving · Inference infra · RAG · Agent orchestration |