Senior Machine Learning Engineer

Collectors is the leading creator of innovative technology that provides value-added services for collectors worldwide. We grade authenticate vault and sell millions of record-setting collectibles all while modernizing and digitalizing the process to further our mission of helping collectors pursue their passions. Were always on the lookout for talented people to join our growing team.

Our services span collectible coins trading cards Funko Pops! video games event tickets autographs and memorabilia. Our subsidiaries include PSA PCGS SGC and Card Ladder.

Since our founding in 1986 we have graded and authenticated millions of items. We employ more than 1900 people across our headquarters in Santa Ana and offices in Jersey City Tokyo Shanghai Hong Kong Toronto Guadalajara Dallas and Paris.

Our AI / ML team is building tools to enhance and move forward a digital and physical Collectors ecosystem. We create innovative and groundbreaking tools that enhance the experience of internal stakeholders and employees as well as a diverse range of customers and businesses that depend on our tools and services.

Were looking for an experienced Senior Machine Learning Engineer that is ambitious quick to learn practical and outcomes driven. We value people who can quickly obtain a deep technical understanding of new domains and enjoy working highly independently to solve our most important problems. Some of the nearest term projects they work on will entail using computer vision to drive digital grading and building of ML models for card value estimation and recommendations.

What Youll Do :

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

Who You Are :

Bachelors degree in computer science data science mathematics or a related field (Masters 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

Nice-to-have : Experience building and deploying end-to-end ML applications

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

Nice-to-have : Solid understanding of fine-tuning LLMs retrieval-augmented generation (RAG) and agentic systems

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.

Salary Range :

The salary range for this position is $135549 - $220067 . Actual compensation on this range varies based on a variety of non-discriminatory factors including location job level experience and skill set. This role may be eligible for bonuses commissions or other forms of compensation please ask your recruiter for details.

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We are committed to equal employment opportunity regardless of race color ethnicity ancestry religion national origin gender sex gender identity or expression sexual orientation age citizenship marital or parental status disability veteran status or other class protected by applicable law. We believe that a team that represents a variety of backgrounds perspectives and skills will better service the diverse community of collectors we support.

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If you are based in California you can read information for California residents here .

Required Experience :

Senior IC

Key Skills

Industrial Maintenance,Machining,Mechanical Knowledge,CNC,Precision Measuring Instruments,Schematics,Maintenance,Hydraulics,Plastics Injection Molding,Programmable Logic Controllers,Manufacturing,Troubleshooting

Employment Type : Full-Time

Experience : years

Vacancy : 1