Senior · Staff · Principal Machine Learning Engineer
Lightyear AI Inc - San Francisco | Hybrid | Remote
Posted Jun 12, 2026
Benefits
- Parental leave
- Not verified
- Non-birth-parent leave
- Not verified
- Family-building benefits
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- Fertility benefits: Not verified
- Adoption assistance: Not verified
- Surrogacy assistance: Not verified
- Mental health support
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- Relocation assistance
- Not verified
- Childcare support
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- Learning budget
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- Verification
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- Salary
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- 401(k) match
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Market context
- U.S. role benchmark (BLS OEWS)
- $116,543 U.S. median for this role
- Projected growth (BLS Employment Projections)
- +9.8% - Much faster than average
Matched to SOC 15-1252 - Software Engineering aggregate by role bucket.
Source: U.S. Bureau of Labor Statistics, OEWS, May 2024 and Employment Projections, 2024-2034.
Role
Schedule
- Shift type
- Not verified
- Weekend work
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Application
- Cover letter
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- Assessment
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- Deadline
- Not stated
Where they hire
State eligibility is not yet verified.
About this role
Senior · Staff · Principal Machine Learning Engineer San Francisco | Hybrid | Remote Senior / Staff / Principal Machine Learning Engineer Location: Onsite San Francisco (5 days onsite AND hybrid options) We have multiple startups interested in talent. Here is a generic summary. Instead of a perfect job description, we present talented individuals to companies and allow them to share how that talent fits in the organization. Key Responsibilities: - Model Development: Designing and implementing ML algorithms and models, including deep learning models. - Data Handling: Preprocessing, analyzing, and preparing large datasets for model training and evaluation. - System Integration: Collaborating with software engineers to integrate ML models into production systems. - Performance Optimization: Continuously improving and optimizing ML models for accuracy, efficiency, and scalability. - Monitoring and Maintenance: Monitoring model performance in production, troubleshooting issues, and ensuring model reliability. - Staying Updated: Keeping abreast of the latest advancements in ML, AI, and related technologies. - Collaboration: Working with data scientists, software engineers, and other stakeholders to deliver effective ML solutions. Essential Skills: - Programming Languages: Strong proficiency in Python, R, or other relevant languages. - ML Frameworks: Experience with frameworks like TensorFlow, PyTorch, or scikit-learn. - Data Science Fundamentals: Solid understanding of statistical analysis, data modeling, and machine learning algorithms. - Problem-Solving: Excellent analytical and problem-solving skills to address complex challenges. - Communication: Effective communication skills to convey technical information to both technical and non-technical audiences. - Collaboration: Ability to work effectively in a team environment. Education and
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