Cinarra is a data-first company at the forefront of building Adtech and ID mapping solutions. We leverage cutting-edge technology and AI to transform data into actionable insights, driving the future of digital advertising and identity management.
Cinarra is a wholly owned by SoftBank.
We are hiring an AI/ML Engineer to join our AI team as a key contributor to model development and training. In this role, you will work on building, training, and improving machine learning models, preparing and curating datasets, and contributing to model accuracy, performance, and scalability. The role involves hands-on work with modern machine learning techniques, including transformer-based and representation learning models, in close collaboration with engineers, data scientists, and product partners.
Key Responsibilities
Develop, train, and evaluate machine learning and deep learning models.
Prepare and process large datasets for model training and inference.
Implement and optimize model architectures for data linking and representation learning.
Collaborate with engineering and product teams to integrate models into production workflows.
Analyze model performance and suggest improvements.
Minimum Requirements
Bachelor’s or Master’s degree in Data Science, Computer Science, Statistics, Mathematics, or a related field.
Proficiency in Python and core ML libraries (NumPy, Pandas, Scikit-learn, TensorFlow or PyTorch).
Understanding of embeddings, transformer models, and modern ML workflows.
Experience with data preprocessing, feature engineering, and evaluation metrics.
Strong analytical, problem-solving, and collaboration skills.
Nice to Have
Hands-on experience training or fine-tuning transformer or embedding models.
Familiarity with model tracking and version control (Git, MLFlow, Jupyter).
Experience in scalable ML systems and data infrastructure.
All your information will be kept confidential according to EEO guidelines.
Top Skills
Cinarra Santa Clara, California, USA Office
4677 Old Ironsides Drive,, Ste. 370, Santa Clara, CA, United States, 95054
Similar Jobs
What you need to know about the San Francisco Tech Scene
Key Facts About San Francisco Tech
- Number of Tech Workers: 365,500; 13.9% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Google, Apple, Salesforce, Meta
- Key Industries: Artificial intelligence, cloud computing, fintech, consumer technology, software
- Funding Landscape: $50.5 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Sequoia Capital, Andreessen Horowitz, Bessemer Venture Partners, Greylock Partners, Khosla Ventures, Kleiner Perkins
- Research Centers and Universities: Stanford University; University of California, Berkeley; University of San Francisco; Santa Clara University; Ames Research Center; Center for AI Safety; California Institute for Regenerative Medicine

