Research Scientist – LTX Model Quality

About Us Lightricks is an innovative AI-driven company, dedicated to developing state-of-the-art content creation technologies for businesses, enterprises, and studios. Our mission is to seamlessly connect creativity with technology. At the heart of our efforts is LTX-2, an open-source generative video model designed to produce expressive, high-fidelity vide…

Who We Are Lightricks is a forward-thinking AI-driven company dedicated to developing cutting-edge content creation technology for various stakeholders, including businesses, enterprises, and studios. Our mission is to seamlessly connect the realms of imagination and creation. At the heart of our innovation is LTX-2, an advanced open-source generative video model designed to deliver high-fidelity video with unparalleled speed. This technology not only supports our own products but also enhances a growing ecosystem of partner applications via API integration. Globally recognized for our pioneering consumer creativity, we are the creators of Facetune, one of the most celebrated creative brands worldwide, which has empowered hundreds of millions of users with AI-driven visual expression. We merge rigorous research, user-centric design, and comprehensive execution from concept through to the final product, ushering in the future of creative expression for everyone. The Role We are on the lookout for a talented researcher to join our LTX Model Applications team. Your primary focus will be to enhance and broaden the capabilities of our LTX-Video models. You will engage in designing innovative use cases, developing new methodologies for controlling the generation process, and challenging the limits of generative video technology. Your contributions will directly impact millions of users through our applications and further enrich the research and open-source communities, ultimately shaping the next generation of creative tools. What You Will Be Doing Enhancing and broadening the capabilities of our LTX-Video models through innovative controls, features, and use cases. Designing and implementing machine learning models for video, image, and audio generation, as well as multimodal applications. Conducting experiments, prototyping concepts, and validating ideas to drive advancements in generative video technology. Collaborating with engineers, designers, and product managers to translate research insights into impactful product features. Regularly contributing to the open-source community by publishing code, models, and research findings. Staying abreast of the latest research in generative AI related to video, image, and audio, and integrating relevant advancements into our products. Writing high-quality, efficient code while adhering to best practices in research workflows. Mentoring fellow researchers and leading collaborative projects. Your Skills and Experience Master's degree in computer science or a related field; PhD preferred. Solid foundation in generative AI, particularly in video and image generation and processing. Proven ability to generate innovative ideas and lead projects from concept to execution. Familiarity with the latest advancements in generative AI. Strong programming skills in Python or similar languages. Excellent problem-solving abilities and a collaborative mindset.

Lightricks is an innovative AI-driven company at the forefront of developing next-generation content creation technologies for businesses, enterprises, and studios. Our mission is to seamlessly connect imagination with creation. Central to our operations is LTX-2, an open-source generative video model designed to produce high-quality, expressive video content at unparalleled speeds. This model not only powers our products but also fuels a growing ecosystem of partners through API integrations. Globally recognized for revolutionizing consumer creativity, Lightricks offers products like Facetune—one of the world’s most famous creative brands—that brought AI-powered visual expression to millions of users. Our approach combines rigorous research, user-centric design, and comprehensive execution from concept to final output, driving the future of expression for all.

Join Our Innovative Team Lightricks is a pioneering AI-driven technology company focused on revolutionizing content creation for businesses, enterprises, and creative studios. Our mission is to seamlessly transform imagination into reality through cutting-edge technology. At the heart of our operations is LTX-2, an open-source generative video model designed to produce high-quality, expressive video content at extraordinary speeds. This remarkable model not only fuels our proprietary offerings but also supports a thriving ecosystem of partners via API integrations. Globally recognized for our consumer creativity tools, such as Facetune, one of the most esteemed creative brands worldwide, we have empowered hundreds of millions of users with AI-enhanced visual expression. Our approach integrates rigorous research, user-centric design, and comprehensive execution from concept to final output, paving the way for the future of creativity. Your Role As we build on the success of LTX-2, our widely embraced open-source text-to-audio and video model, we are seeking talented Research Scientists to join our LTX-2 Core team. This position is pivotal in developing state-of-the-art audio and video generation models, driving innovation in the field. At Lightricks, we lead advancements in text-to-image and text-to-audio/video generation, with LTX-2 powering our flagship product, LTX Studio, and making significant strides within the research and open-source communities, including integrations with prominent platforms like ComfyUI and Diffusers. This role will emphasize innovating model architecture and pre-training algorithms that will define the future of our foundational generative AI models. Key Responsibilities Pre-train and fine-tune video, audio, and image generative models to achieve cutting-edge outcomes. Publish research papers and open-source models to enhance the academic community and propel advancements in the field. Design and implement machine learning frameworks for text-to-audio and text-to-video generation. Collaborate with data engineers to curate and preprocess diverse text and video datasets. Optimize model performance to ensure efficient training and inference processes. Develop new functionalities and controls within generative text-to-audio and text-to-video models. Stay abreast of the latest trends and developments in Generative AI, particularly in image, video, and audio technologies. Work closely with product teams to seamlessly integrate AI models into applications and services. Conduct experiments and prototype innovative concepts to enhance the capabilities of our AI solutions.

Join the dynamic LTX Studio team as a Creative Designer, where your creative flair will shape the visual narrative of our products. In this pivotal role, you will craft stunning visual and motion graphics that enhance our product experience. Your work will encompass designing in-product creative elements like banners and pop-ups, along with supporting product demonstrations, partner presentations, and comprehensive product storytelling. Your expertise will be instrumental in defining the aesthetic, style, and visual identity of LTX Studio's product assets, ensuring that every piece is polished, coherent, and resonates with the overall user experience. This hands-on position is ideal for a designer with an eye for detail, exceptional motion skills, and the ability to translate product requirements into captivating visuals. You will collaborate closely with the Product Design, Brand, and Product teams to ensure a cohesive and engaging user experience across all platforms.

Who We AreLightricks is an innovative AI-focused company dedicated to developing state-of-the-art content creation technologies designed for businesses and studios. Our mission is to seamlessly connect imagination with creation. At the heart of our operations lies LTX-2, an open-source generative video model engineered to deliver stunning, high-fidelity video output at unparalleled speeds. It not only fuels our proprietary products but also supports a diverse ecosystem of partners via API integrations.Globally recognized for revolutionizing consumer creativity, our flagship product, Facetune, has introduced AI-driven visual expression to countless users around the world. We pride ourselves on blending rigorous research, user-centric design, and comprehensive execution from concept to completion, making advanced expression accessible to everyone.About the RoleIn your role as a Large Scale Training Engineer, you will be instrumental in optimizing the training throughput of our internal framework, empowering researchers to explore and develop novel model concepts. This position requires exceptional engineering capabilities for designing, implementing, and refining cutting-edge AI models, alongside a strong foundation in writing robust machine learning code and a profound understanding of supercomputer performance. Your skills in performance optimization, expertise in distributed systems, and capability to troubleshoot will be vital, as our framework executes extensive computations across numerous virtual machines.This opportunity is tailored for individuals who possess not only technical prowess but also a fervent passion for advancing AI and machine learning through groundbreaking engineering and collaborative research efforts.Key ResponsibilitiesProfile and streamline the training process to ensure optimal efficiency and effectiveness, including the enhancement of multimodal data pipelines and data storage techniques.Create high-performance TPU/GPU/CPU kernels and incorporate advanced methodologies into our training framework to maximize hardware utilization.Leverage your knowledge of hardware features to implement significant optimizations and provide guidance on hardware/software co-designs.Collaborate with researchers to develop model architectures that promote efficient training and inference.Design, maintain, and evolve a high-quality, shared codebase, emphasizing correctness, readability, extensibility, testing, and long-term maintainability, while balancing performance needs.

Join The New York Times' International Desk as a dynamic Reporter-Researcher in Jerusalem, where you will play a pivotal role in supporting our award-winning team. Your responsibilities will include organizing interviews, conducting in-depth research on various topics, and tracking crucial news stories. Collaborate closely with correspondents and the bureau chief to enhance our coverage of politics, security, culture, and more. This position offers a unique opportunity to contribute to impactful journalism while working in a fast-paced, collaborative environment.

Are you an expert in search engines? Can you achieve desired search results using just a few keywords? Here’s your chance to put your skills to the test!Welo Data is seeking Hebrew speakers from Israel for the position of Ads Quality Rater for one of the company’s exciting projects. You will work with a unique online tool to evaluate advertisements in a search engine according to project guidelines. This role offers you the opportunity to grow professionally, engage in interesting projects, learn new things, and be part of a diverse international team. Additionally, you will have the chance to work on a wide variety of documents and content types.

Lifted An Upwork Company is seeking a Hebrew Audio Transcription and Quality Review Specialist based in Jerusalem. This position centers on transcribing Hebrew audio files and reviewing transcripts for accuracy and consistency. Role overview The specialist will handle transcription tasks in Hebrew, making sure that each file is accurately converted from audio to text. Quality review is a key part of this role, with a focus on catching errors and maintaining consistency across projects. Collaboration Regular communication with project managers is expected. The ability to meet deadlines and uphold high quality standards is important for success in this position.

About Us Lightricks is an innovative AI-driven company dedicated to transforming imagination into reality. Our flagship technology, LTX-2, is an open-source generative video model designed to produce expressive, high-fidelity video content at remarkable speeds. This technology not only powers our acclaimed products but also supports a growing network of partners through API integrations. Our most popular products, including Facetune and LTX Studio, are utilized by hundreds of millions of users globally. We pride ourselves on merging deep research with user-centric design and comprehensive execution to shape the future of creative expression. Your Role As a Senior ML Software Engineer focused on low-level and CUDA optimizations, you will be instrumental in designing, enhancing, and scaling Lightricks' machine learning inference systems. You will tackle complex technical challenges at the intersection of GPU acceleration, systems architecture, and machine learning deployment. Your expertise in CUDA, C/C++, and performance tuning will be vital for improving runtime efficiency across diverse computing environments. You will collaborate with designers, researchers, and backend engineers to create production-grade ML pipelines optimized for latency, throughput, and memory usage, directly contributing to the infrastructure behind Lightricks' next-generation AI products. This position is perfect for an engineer with a strong systems-level mindset, extensive knowledge of GPU internals, and a desire to drive performance and efficiency boundaries in machine learning infrastructure.