Research Scientist – LTX Model Quality
Lightricks(7 days ago)
About this role
Research Scientist on the LTX-Applications team at Lightricks focused on improving the quality, controllability, and alignment of state-of-the-art audio+video generative models. The role supports the post-training phase of model development to advance the fidelity and reliability of outputs used across products and partner APIs. You'll work within a research-driven organization that combines deep research, productization, and open-source model development.
Required Skills
- RLHF
- Reward Modeling
- Preference Optimization
- Video Generation
- VLLMs
- Evaluation Metrics
- Benchmark Design
- Failure Analysis
- Dataset Curation
- Software Engineering
+4 more
About Lightricks
lightricks.comLightricks is an AI technology company that builds creative tools to transform photo and video workflows for content creators, marketers, and professionals. Its portfolio includes mobile and web apps such as Facetune, Videoleap, and Photoleap plus solutions like Popular Pays, combining AI-powered editing, pro-level effects, and intuitive UX to make complex editing fast and accessible. The company emphasizes AI and open-source innovation to accelerate creative production across platforms and formats. Creators and teams choose Lightricks for mobile-first design, powerful automation, and real-time creative capabilities.
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