Join Wellhub's CARE team in Brazil as a Senior Data Scientist and contribute to groundbreaking projects in Generative AI, fine-tuning of LLMs, and evaluation of Agentic systems to shape the future of AI-powered wellness solutions by developing cutting-edge Agentic AI that enhance and personalize the wellness journey for millions of Wellhub subscribers, collaborating with a multidisciplinary team to create innovative AI applications.

The Senior Data Scientist will be leading in tackling challenging problems and creating statistical, machine learning, and deep learning models that impact millions of users, providing machine intelligence-driven solutions to simplify and enhance the customer experience. This role will mentor junior team members.

Develop data infrastructure to ingest, sanitize and normalize a broad range of medical data. Build performant and expressive interfaces to the data and create infrastructure to help us scale up data ingest, and large-scale cloud-based machine learning. This is a fully remote position open to candidates across the United States.

Valtech is seeking a Senior AI Data Engineer with a strong quantitative background and analytical discipline to design and manage APIs, implement data models for generative AI products, and collaborate with stakeholders on data model improvements and API design. The ideal candidate should have experience in API development, understanding of AWS services, expertise in data modeling, and proficiency in Python, SQL, and TypeScript.

As a Data Scientist you will develop and deploy machine learning models that will drive business decisions and improve user experience. You will utilize your strong problem-solving skills, programming know-how, and business analytics to solve real-world problems at scale, creating stable models for a production environment.

As an intern on Newsela’s Research Team, you will partner closely with the Lead Research Analyst to help investigate and document Newsela’s educational effectiveness. You will leverage your statistical and technical expertise to conduct quantitative research on student outcomes. You will also use your data visualization and communication skills to develop reports that showcase how Newsela helps kids achieve.

We are looking for people who want to work remotely from home as a research participant. You'll need an Internet connection and a mobile device or computer to perform tasks, micro tasks, work at home opinion panels, product testing, research trials and more and earn extra cash working from home part time on the fly – work when you want.

TIFIN is looking for a Staff LLM Data Scientist with Large Language Model (LLM) experience who can work on generative AI products across various holdings for our early-stage ventures. This person will work end-to-end, training, and productionalizing models, as well as focus on language translation.

Translate unstructured business problems into well-defined machine learning projects. Collaborate with a cross-functional team to identify and manage high leverage opportunities for modeling work. Design and implement highly generalizable models for predicting various outcomes. Take responsibility for modeling implementation in real world settings.

Provide high-quality annotations to support AI Voice capabilities, enabling natural, human-like conversations. Evaluate AI-generated speech, analyze conversational audio, compare AI and human responses, assess synthetic speech, and provide structured feedback to enhance AI model accuracy and performance.