Senior · Staff · Principal Machine Learning Engineer
- Level
- Principal
- Work type
- Hybrid · San Francisco
Not stated in the posting: salary, visa.
Open. First seen 3 October 2026.
About the role
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 Experience:
- A bachelor's or master's degree in computer science, engineering, mathematics, statistics, or a related field is typically required.
- Several years of experience in machine learning, data science, or software development is often preferred.
Compensation: Market range and can include equity – details can be provided after the specific client is determined.
What this role asks for
Particular to this role
Deep Learning · R · TensorFlow · scikit-learn
Rare in Lead Allies's other 8 open postings.
Standard for data science / ML roles
Machine Learning · PyTorch · Python
Common in data science / ML postings at any company.
Compared with Lead Allies's other open jobs.
The team: Engineering
This role is one of 9 open in Engineering.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Angular (4 of 9), CSS (4 of 9), Git (4 of 9), HTML (4 of 9), JavaScript (4 of 9), Python (4 of 9), React (4 of 9)
OTHER ROLES ON THIS TEAM
- Senior · Staff · Principal Fullstack Engineer posted Aug 4
- Senior · Staff · Principal Machine Learning Engineer posted Jul 23
- Product Engineer posted Jun 18
- Senior · Staff · Principal Fullstack Engineer posted Jun 11
- Senior · Staff · Principal Frontend Engineer posted May 21
- Senior · Staff · Principal Backend Engineer posted May 21
- Senior · Staff · Principal Frontend Engineer posted May 12
- Senior · Staff · Principal Backend Engineer posted May 8
From the team and dates on Lead Allies's own job board.
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