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Catalyst Engineer Jobs in California (NOW HIRING)

Catalyst Labs

ML Engineer

Menlo Park, CA · On-site

Catalyst Labs is a leading talent agency specializing in Applied AI, Machine Learning, and Data Science. They are seeking an ML Engineer to design, build, and deploy production-grade ML systems ...

Catalyst Labs

ML Engineer

Cupertino, CA · On-site

Catalyst Labs is a leading talent agency specializing in Applied AI, Machine Learning, and Data Science. They are seeking an ML Engineer to design, build, and deploy production-grade ML systems ...

Catalyst Labs

ML Engineer

Manhattan Beach, CA · On-site

Catalyst Labs is a leading talent agency specializing in Applied AI, Machine Learning, and Data Science. They are seeking an ML Engineer to design, build, and deploy production-grade ML systems ...

Catalyst Labs

ML Engineer

San Francisco, CA · On-site

Catalyst Labs is a leading talent agency specializing in Applied AI, Machine Learning, and Data Science. They are seeking an ML Engineer to design, build, and deploy production-grade ML systems ...

Catalyst Labs

ML Engineer

Palo Alto, CA · On-site

Catalyst Labs is a leading talent agency specializing in Applied AI, Machine Learning, and Data Science. They are seeking an ML Engineer to design, build, and deploy production-grade ML systems ...

Catalyst Labs

ML Engineer

San Francisco, CA · On-site

Catalyst Labs is a leading talent agency specializing in Applied AI, Machine Learning, and Data Science. They are seeking an ML Engineer to design, build, and deploy production-grade ML systems ...

Catalyst Labs

ML Engineer

Sunnyvale, CA · On-site

Catalyst Labs is a leading talent agency specializing in Applied AI, Machine Learning, and Data Science. They are seeking an ML Engineer to design, build, and deploy production-grade ML systems ...

Catalyst Labs

ML Engineer

San Jose, CA · On-site

Catalyst Labs is a leading talent agency specializing in Applied AI, Machine Learning, and Data Science. They are seeking an ML Engineer to design, build, and deploy production-grade ML systems ...

Catalyst Labs

ML Engineer

Santa Clara, CA · On-site

Catalyst Labs is a leading talent agency specializing in Applied AI, Machine Learning, and Data Science. They are seeking an ML Engineer to design, build, and deploy production-grade ML systems ...

Catalyst Labs

ML Engineer

Mountain View, CA · On-site

Catalyst Labs is a leading talent agency specializing in Applied AI, Machine Learning, and Data Science. They are seeking an ML Engineer to design, build, and deploy production-grade ML systems ...

Catalyst Kids

Toddler Teacher

Fairfield, CA · On-site

$19.46 - $29.19/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Catalyst teaching staff support the planning and implementation of Catalyst's programming for children ranging in age from infant, toddler, preschool, kinder, and school age depending on the location.

Catalyst Kids

Preschool Teacher

Buena Park, CA · On-site

$19.46 - $29.19/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Catalyst teaching staff support the planning and implementation of Catalyst's programming for children ranging in age from infant, toddler, pre-school, kinder, and school age depending on the ...

Catalyst Kids

Toddler Associate Teacher

Costa Mesa, CA · On-site

$17.69 - $26.54/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Catalyst teaching staff support the planning and implementation of Catalyst's programming for children ranging in age from infant, toddler, pre-school, kinder, and school age depending on the ...

Catalyst Kids

Substitute Associate Teacher

San Jose, CA · On-site

$20.01 - $30.02/hr

  • Medical

  • Vision

  • Retirement

  • PTO

Catalyst teaching staff support the planning and implementation of Catalyst's programming for children ranging in age from infant, toddler, pre-school, kinder, and school age depending on the ...

Catalyst Kids

Infant Assistant Teacher

Tracy, CA · On-site

$15 - $17.50/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Catalyst teaching staff support the planning and implementation of Catalyst's programming for children ranging in age from infant, toddler, pre-school, kinder, and school age depending on the ...

Catalyst Kids

Substitute Associate Teacher

Davis, CA · On-site

$17.69 - $26.54/hr

  • Medical

  • Vision

  • Retirement

  • PTO

Catalyst teaching staff support the planning and implementation of Catalyst's programming for children ranging in age from infant, toddler, pre-school, kinder, and school age depending on the ...

Catalyst Kids

Substitute Associate Teacher

Sacramento, CA · On-site

$17.69 - $26.54/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Catalyst teaching staff support the planning and implementation of Catalyst's programming for children ranging in age from infant, toddler, pre-school, kinder, and school age depending on the ...

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Showing results 1-20

All JobsCatalyst Engineer JobsCatalyst Engineer Jobs in California

Catalyst Engineer information

What is the difference between Catalyst Engineer vs Chemical Process Engineer?

AspectCatalyst EngineerChemical Process Engineer
Required CredentialsBachelor's or Master's in Chemical Engineering, specialized knowledge in catalysisBachelor's or Master's in Chemical Engineering, broader process design skills
Work EnvironmentLaboratories, R&D centers, industrial plants focusing on catalyst developmentRefineries, chemical plants, manufacturing facilities overseeing entire processes
Industry UsagePrimarily in petrochemicals, refining, and specialty chemicalsAcross various chemical manufacturing sectors
Common Search/ComparisonYesYes

While both roles require a background in chemical engineering, Catalyst Engineers focus on developing and optimizing catalysts used in chemical reactions, often working in R&D and laboratory settings. Chemical Process Engineers oversee entire chemical processes, ensuring efficiency and safety in production facilities. The roles overlap in industry and credentials but differ in scope and daily responsibilities.

What projects does a catalyst engineer typically work on, and how do they interact with other teams?

Catalyst Engineers often work on developing and optimizing chemical catalysts for processes such as refining, petrochemicals, or emission control. Their projects may include designing new catalyst formulations, scaling up laboratory results, and troubleshooting plant performance. They collaborate closely with R&D scientists, process engineers, and manufacturing teams to ensure catalysts meet production goals and regulatory standards. Regular cross-functional meetings and site visits are common, making teamwork and clear communication essential aspects of the role.

What is a catalyst engineer?

Catalyst Engineers are specialized chemical engineers who design, develop, and optimize catalysts used in various industrial processes, such as refining, petrochemicals, and environmental applications. They work on improving catalyst performance, longevity, and efficiency to enhance chemical reactions while reducing costs and environmental impact. Their responsibilities often include researching new catalyst materials, conducting laboratory experiments, scaling up processes, and troubleshooting issues in industrial plants. Catalyst Engineers collaborate closely with chemists, process engineers, and production teams to ensure optimal catalyst operation in large-scale chemical manufacturing.

What are the key skills and qualifications needed to thrive as a catalyst engineer, and why are they important?

To thrive as a Catalyst Engineer, you need a strong background in chemical engineering, catalysis, and reaction engineering, typically supported by a relevant degree and experience in process industries. Familiarity with laboratory instrumentation, process simulation software, and safety protocols is essential, and some roles may require certifications in hazardous materials handling or Six Sigma. Strong analytical thinking, problem-solving skills, and effective teamwork are vital soft skills for optimizing catalyst performance and collaborating across multidisciplinary teams. These skills are crucial for developing efficient catalytic processes that drive innovation, safety, and productivity in chemical manufacturing.

What are popular job titles related to Catalyst Engineer jobs in California?

For Catalyst Engineer jobs in California, the most frequently searched job titles are:

What job categories do people searching Catalyst Engineer jobs in California look for?

The top searched job categories for Catalyst Engineer jobs in California are:

Catalyst Engineer jobs near you
Infographic showing various Catalyst Engineer job openings in California as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.

ML Engineer

Catalyst Labs

Menlo Park, CA • On-site

Full-time

Re-posted 23 days ago

Job description

Job Summary:
Catalyst Labs is a leading talent agency specializing in Applied AI, Machine Learning, and Data Science. They are seeking an ML Engineer to design, build, and deploy production-grade ML systems, focusing on audio data and real-time audio understanding, while collaborating with cross-functional teams to drive innovation.
Responsibilities:
• Design, build, and deploy production-grade ML systems with end-to-end ownership of the model lifecycle from conception to deployment and maintenance.
• Architect and deliver AI-powered solutions enabling natural speech interaction and real-time audio understanding.
• Develop and optimize ML models focused on audio data to extract business-critical insights from previously unstructured voice data.
• Build agents capable of operating natively on real-world audio inputs.
• Collaborate with cross-functional teams to shape the foundations of the AI stack, improve tooling, and drive innovation in LLM and audio ML applications.
• Work directly with customers to identify needs, gather feedback, and deliver impactful real-world solutions.
• Handle the entire AI lifecycle, including data acquisition, preprocessing, model training, deployment, inference, and monitoring in production environments.
• Participate in continuous improvement of the ML infrastructure and processes for scalability and performance.
Qualifications:
Required:
• Bachelor’s or Master’s degree in Computer Science, Machine Learning, Artificial Intelligence, or a related field.
• 1-6 years of professional experience in ML engineering.
• Strong programming skills in Python (TypeScript experience is a plus).
• Hands-on experience with ML frameworks such as PyTorch or TensorFlow.
• Familiarity with cloud environments and infrastructure (preferably AWS).
• Strong understanding of data pipeline design, real-time inference, and model monitoring.
• Excellent communication skills with the ability to engage directly with customers and stakeholders.
• Proven experience building and deploying ML models into production environments.
• Demonstrated ability to own the full model lifecycle from data ingestion and model development to deployment and monitoring.
• Experience with audio-focused ML projects or similar domains involving unstructured data.
• Proficiency in building scalable data pipelines for model training and evaluation.
• Solid grasp of ML systems architecture, feature engineering, evaluation strategies, and deployment best practices.
Preferred:
• Familiarity with FastAPI, OpenAI APIs, Baseten, LiteLLM, LiveKit, PostgreSQL, Redis, and S3 is a plus.
Company:
Welcome to Catalyst Labs – Powering Catalytic Growth At Catalyst Labs, catalytic growth isn't just a concept, it's our driving force. Founded in , the company is headquartered in London, GB, , with a team of 11-50 employees. The company is currently Early Stage.

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