Collectors · 7 hours ago
Senior Machine Learning Engineer
Santa Ana, CA
Full-time
Onsite
Senior Level
5+ years expCollectors is the leading creator of innovative technology that provides value-added services for collectors worldwide. They are seeking an experienced Senior Machine Learning Engineer to design, develop, and deploy machine learning models while leading end-to-end ML projects to enhance their digital and physical Collectors ecosystem.
Consumer ApplicationsConsumer ResearchConsumer Software
No H1B
Responsibilities
Design, develop, and deploy machine learning and deep learning models for classification, regression, computer vision, and NLP/LLM use cases
Lead end-to-end ML projects, including data collection, labeling strategies, feature engineering, model training, evaluation, deployment, and iteration
Build and productionize scalable ML pipelines for training and inference
Perform hyperparameter optimization, model selection, and performance tuning across large-scale datasets
Implement production ready pipelines for ML prediction and training
Qualification
Required
Bachelor's degree in computer science, data science, mathematics, or a related field (Master's degree is a plus)
5+ years of dedicated experience as a Machine Learning Engineer or similar role
Extensive knowledge of ML frameworks and libraries (e.g., TensorFlow, PyTorch, scikit-learn)
Familiarity with open-source models and ecosystems (e.g., Hugging Face)
Ability to write production-quality, maintainable code and follow strong software engineering best practices in Python (experience with Go is a plus)
Experience building computer vision, image recognition, and NLP models using state-of-the-art deep learning architectures
Understanding of data structures, data modeling and software architecture
In-depth knowledge of mathematics, probability statistics, and algorithms
Experience building computer vision, NLP, and transformer-based models, including LLM fine-tuning and prompt engineering
Superb analytical and problem-solving abilities
Excellent communication and collaboration skills
Passion for learning, a growth mindset, and the ability to work independently in a fast-moving, remote-first environment
Candidates must be authorized to work in the United States
Preferred
Experience building and deploying end-to-end ML applications
Solid understanding of fine-tuning LLMs, retrieval-augmented generation (RAG), and agentic systems
Company
Collectors
Collectors offers authentication and sale services for high-value collectibles.
1001-5000 employees
Funding
Current Stage
Public CompanyTotal Funding
$100M2022-03-30Private Equity· $100M
1999-11-12IPO
Leadership Team
Nat Turner
CEO
Jack Archer
Creative Director
Recent News
Sports Business Journal
2025-12-16
Orange County Business Journal
2025-10-25
2025-05-16
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