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our company, an AI-first company, is revolutionizing how visual content is created. With a mission to bridge the gap between imagination and creation, we are dedicated to bringing cutting-edge technology to the creative and business spaces.
Our advanced AI photo and video generation models, including our open-source LTXV model, power our apps and platforms including Facetune, Photoleap, Videoleap, and LTX Studio, allowing creators and brands to leverage the latest research breakthroughs, offering endless control over their creative potential. Our influencer marketing platform, Popular Pays, provides creators the ability to monetize their work and offers brands opportunities to scale their content through tailored creator partnerships.
The Data Platform team powers our company's data-driven innovation by building cutting-edge systems that transform raw information into actionable insights. We create sophisticated solutions across the entire data stack, from intuitive self-service analytics and seamless media ingestion to lightning-fast event processing and sophisticated A/B testing frameworks. Our team operates at the intersection of big data and user experience, designing robust platforms that balance privacy protection with cost efficiency. Join us and help architect the infrastructure that fuels data-informed decisions and directly impacts product success.
What you will be doing
Build, lead, and mentor a team of backend engineers, fostering professional growth and collaboration while putting a strong emphasis on engineering excellence.
Evolve our architecture and infrastructure to support the growing scale of users, features, and data.
Build strategic relationships with key stakeholders across the company, and develop a deep understanding of the business vision to ensure the data platform continues to meet evolving needs while maintaining technical excellence.
Define and monitor metrics and KPIs to measure the health, performance, and impact of our data systems, continuously optimizing for scalability, reliability, and efficiency.
Have full responsibility for data compliance in the organization and lead the design and implementation of data compliance and privacy processes.

Our ideal candidate is someone with a systematic problem-solving approach, coupled with strong communication skills, a sense of ownership and drive. Someone who is as passionate as we are about the craft of software engineering and system architecture, and understands the challenges of building complex backend systems. Someone who believes in writing resilient code and reliable infrastructure, but can still appreciate the realities of business and can deliver on a tight schedule in a fast-paced environment. An individual who loves learning, understands the value of teamwork and cherishes the feedback of other talented engineers.
What you will be doing
Lead a team of 68 engineers, providing mentorship, guidance, and support in their professional development and daily work.
Take ownership of the teams delivery and execution, from planning and prioritization to quality and production stability.
Remain hands-on and contribute to the codebase when needed, especially in complex or high-impact areas.
Design highly available, mission-critical microservices and APIs.
Architect and implement scalable data pipelines that integrate with multiple internal and external data sources.
Drive the development of internal tools, campaign automation systems, dashboards, and reports to empower end users.
Promote and implement engineering best practices for code quality, testing, observability, and deployment.
Collaborate closely with relevant stakeholders to shape solutions from idea to delivery.

Following the success of LTX-Video, our widely adopted open-source text-to-video model, we are expanding our efforts to develop cutting-edge video generation models and are hiring Research Scientists to join our LTX-Video Core team.
At our company, weve been at the forefront of innovation in text-to-image and text-to-video generation, with LTX-Video driving our flagship product, LTX Studio, and gaining significant traction in the research and open-source communities, including integrations with platforms like ComfyUI and Diffusers.
This role focuses on pioneering model architecture and pre-training algorithms, shaping the next generation of our foundational generative AI models.
What you will be doing
Pre-train and fine-tune video and image generative models to pursue state of the art results.
Publish papers and open-source models to benefit the research community and advance the field.
Design and implement machine learning models for text-to-video generation.
Collaborate with data engineers to curate and preprocess text and video data.
Optimize models for high performance, ensuring efficiency in training and inference phases.
Build new controls and capabilities into generative text-to-video models.
Stay updated with the latest developments in Generative AI, particularly in the field of image, video, and audio.
Work closely with product teams to integrate AI models into applications and services.
Conduct experiments and prototype new concepts to advance the capabilities of our AI tools.

The Core Generative AI team at our company Research is a unified group of researchers and engineers dedicated to developing our generative foundational models that serve LTX Studio, our AI-based video creation platform. Our focus is on creating a controllable, cutting-edge video generative model by merging cutting-edge algorithms with exceptional engineering. This involves enhancing machine learning components within our sophisticated internal training framework, crucial for developing advanced models. We specialize in both research and engineering that enable efficient and scalable training and inference, allowing us to deliver state-of-the-art AI-generated video models.
As a Large Scale Training Engineer, you will play a key role in enhancing the training throughput of our internal framework and enabling researchers to pioneer new model concepts. This role demands excellent engineering skills for designing, implementing, and optimizing cutting-edge AI models, alongside writing robust machine learning code and deeply understanding supercomputer performance. Your expertise in performance optimization, understanding distributed systems, and bug elimination will be crucial, as our framework supports extensive computations across numerous virtual machines.
This role is designed for individuals who are not only technically proficient but also deeply passionate about pushing the boundaries of AI and machine learning through innovative engineering and collaborative research.
Key Responsibilities
Profile and optimize the training process to ensure efficiency and effectiveness, including optimizing multimodal data pipelines and data storage methods.
Develop high-performance TPU/CPU kernels and integrate advanced techniques into our training framework to maximize hardware efficiency.
Utilize knowledge of hardware features to make aggressive optimizations and advise on hardware/software co-designs.
Collaboratively develop model architectures with researchers that facilitate efficient training and inference.

Who We Are At Cross River, we're building the financial infrastructure that powers global innovation. With our cutting-edge suite of embedded payments, cards, and lending solutions, we enable millions of businesses and consumers to transact seamlessly and securely. With 900+ employees worldwide and an R&D center of over 160 employees in Jerusalem - we’re reshaping how financial technology is developed and delivered.

The Role:
We are on a mission to build the infrastructure that propels access, inclusion, and the democratization of financial services. While our company has tripled in size over the last three years, our strong sense of purpose led Cross River to be named to American Banker’s list of Best Places to Work in Fintech for the last 6 years. The reason for this success is simple – our nimble and collaborative family culture lives in every member of our growing team. Together we are at the forefront of technology and innovation, and we invite passionate, collaborative, and motivated high performers to join our expanding team.

Who You Are:

* Curious and analytical – You love digging into data, asking the right questions, and uncovering insights that others might miss.
* Clear communicator – You can explain complex findings in a way that’s easy to understand, whether it’s to compliance officers or business partners.
* Collaborative mindset – You enjoy working across teams and believe that the best solutions come from bringing different perspectives together.
* Mission-driven and detail-oriented – You care deeply about making a real-world impact and bringing focus and precision to everything you do.

What You’ll Actually Be Doing:

* As a key member of the Business Risk unit within QSG, you will work on risk model/tool development and management. Help the lead of the unit in second and third line liaisons, working closely with model owners to ensure model compliance.
* Under the leadership and mentorship of the lead of the unit, carryout light modeling activities including but not limited to model enhancements, error corrections, what-if analysis and outcome attributions. Author high quality model documentation, execute model monitoring plans and build solutions for identified model issues remediation.
* Participate in all model production runs necessary for regulatory, capital management and business processes. Take complete ownership of the assigned procedure, build presentation artifacts, ad-hoc analytics and conduct deep dives.
* Maintain model inventory and calendar for different activities like validation, model production for various usages, Q&A with second and third line etc.
* Participate in validation discussions with MRM including iterating on validation findings and proposed resolutions. Assist unit lead for off second and third line as well as external regulatory exams.


Why You’ll Love Working Here:
You’ll help secure some of the most innovative products in fintech and crypto—while collaborating with brilliant, supportive teammates who care deeply about doing things the right way. Our security culture is proactive, collaborative, and continuously improving. You’ll have the autonomy to lead impactful initiatives, influence design from day one, and grow alongside a team that’s invested in modern tooling and professional development.

Next Step:
Hit Apply. Bring your Quant abilities. We’ll bring the challenge – and the snacks.

If you have a strong background in iOS development, excellent leadership skills, and a passion for building innovative applications, we want to hear from you!

The role:
Lead and manage a team of iOS developers, providing technical guidance, mentorship, and support to ensure the successful delivery of high-quality iOS applications.
Collaborate with cross-functional teams, including product managers, designers, and backend developers, to define project requirements, scope, and timelines.
Drive the architectural design and technical decision-making processes for iOS projects, ensuring scalability, performance, and maintainability.
Hands-on iOS development using SwiftUI and UIKit, actively contributing to the codebase and conducting code reviews to ensure best practices are followed.
Conduct regular performance evaluations, provide constructive feedback, and identify areas for skills development and training within the iOS team.
Stay up-to-date with the latest trends and advancements in iOS development and bring innovative ideas and solutions to the team.
Act as a point of contact for clients or stakeholders, addressing technical queries, providing project updates, and managing expectations.
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