Data scientist jobs in Buena Park, CA and nearby

Within 25 miles

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Added 6 hours ago
Data Architect- Aerospace, Defense, and Mobility Sector - Senior Manager- Consulting - Open Location
EY
Los Angeles, CA · Irvine, CA
To qualify for the role, you must have:
Added 6 hours ago
Research Senior Data Scientist - Ajami Lab - Department of Neurology (Remote)
Cedars-Sinai
Los Angeles, CA
The Research Senior Data Scientist will play a key role in establishing and advancing an AI-driven computational research platform within the Ajami Lab. Working closely with other data…
Added 7 hours ago
GD
Principal Data Scientist
Green Dot Corporation
Los Angeles, CA
- $138,800 to $208,100 USD / year
The Fraud Data Scientist (P5) will be responsible for using data to detect fraud and reduce fraud losses across the organization by data mining, testing, analyzing, and transforming data…
Added 7 hours ago
GD
Lead Data Scientist
Green Dot Corporation
Los Angeles, CA
- $120,700 to $180,900 USD / year
The Fraud Data Scientist (P4) is responsible for leveraging data analytics, statistical modeling, and fraud detection techniques to identify suspicious activity, uncover fraud trends, and…
Added 1 day ago
Sr. Data Engineer/Sr. Data Architect
The Aerospace Corporation
El Segundo, CA
…security, software and cloud architecture, software engineering, data science, Artificial Intelligence, process improvement, and software development to deliver responsive, resilient,…
Added 1 day ago
Data Scientist , Music DISCO
Amazon
Culver City, CA
The Data, Insights, Science and Optimization, Consumer Product and Tech (DISCO CPT) team is looking for a Data Scientist to join a team of Data Scientists, Analytics Leads, Business…
Added 1 day ago
ZG
Sr Data Scientist Hybrid role
ZAPCOM GROUP INC
Long Beach, CA
- $55 to $70 USD / hour
Machine learning and data science fundamentals
Added 1 day ago
Principal Machine Learning Engineer
Disney Entertainment & Sports LLC
Glendale, CA
designers, technologists, data scientists, and more – all working to build and advance the
Added 2 days ago
Senior Machine Learning Engineer (Applied Intelligence)
Anduril Industries
Santa Ana, CA
…OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and control center. As the world enters an era of strategic competition, Anduril is…
Added 2 days ago
SS
Data Scientist (Direct Hire)
Social Security Administration
Pasadena, CA · Los Angeles, CA
- $107,446 to $139,684 USD / year
To meet Minimum Qualifications for this Data Scientist position you must demonstrate:
Added 3 days ago
A
Senior Data Scientist, RBQM Analytics
AbbVie
Irvine, CA
- $109,500 to $208,500 USD / year
Must have 3-5 years of analytics-related experience in clinical research including demonstrated high-level analytics and leadership competencies
Added 7 days ago
Senior Data Scientist
StubHub
Los Angeles, CA
Location: Hybrid (3 days in office/2 days remote) – New York, NY or Century City, CA
Added 7 days ago
Senior Data Scientist
StubHub
Los Angeles, CA
Location: Hybrid (3 days in office/2 days remote) – New York, NY or Century City, CA
Added 7 days ago
Associate Data Scientist
FASHIONPHILE
Los Angeles, CA
The Associate Data Scientist supports data-driven decision-making across FASHIONPHILE by turning customer, order, product, and sales data into insights, models, and AI-enabled tools.…
Added 8 days ago
Data Architect
US Tech Solutions
Pasadena, CA
Translating customers business & technical requirements into a data solution architecture in alignment with ADP's overall architectural directions and strategies.
Added 8 days ago
Data Modeler
ShoreWise Consulting
Ontario, CA
Experience with Guidewire, Mitchell, and CCX data model is required
Added 8 days ago
Staff Applied Data Scientist, Agentic AI
Emergence AI
Irvine, CA
We're looking for a Staff Applied Data Scientist to help define how AI agents investigate enterprise data, explain their reasoning, and support better business decisions. You'll combine…
Added 8 days ago
IG
Sr. Data Scientist (ML)
Insight Global
Glendale, CA
- From $68 USD / hour
An entertainment client based in Burbank, CA is looking for a Sr. Data Scientist to join the Studios organization. The Content Security data platform and AI team is evolving from a…
Added 9 days ago
Data Scientist 3
ACSC Auto Club Of Southern Calif
Costa Mesa, CA
To thrive in this role, you must have a solid foundation of statistics and data analysis
Added 9 days ago
Applied Machine Learning Engineer
The Aerospace Corporation
El Segundo, CA
5 or more years of experience in Data Scientist or Machine Learning Engineer or AI/ML Researcher role in any domain
Added 11 days ago
Converge Signals, FSI - Data Scientist_Products & Platforms
Deloitte US
Costa Mesa, CA · Inglewood, CA · Los Angeles, CA
…for FSI business offers both! We are looking for a talented Data Scientist to join the Converge for FSI team and help build differentiated, data-driven financial services products that…
Added 12 days ago
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Data Scientist III
Vizio
LOS ANGELES, CA
- $108,000 to $216,000 USD / year
Duties: Presents data insights and recommendations to key stakeholders by developing insights based on data analysis; applying analytical results to project goals; identifying trends and…
Added 13 days ago
A
Principal Data Scientist
AbbVie
Irvine, CA
- $124,500 to $236,500 USD / year
The Principal Data Scientist is the senior technical and scientific leader for AbbVie's omnichannel engagement analytics, a data and analytics-driven engagement optimization program…
Added 13 days ago
Machine Learning Engineer
Robert Half
Los Angeles, CA
Based in Los Angeles, California, the company specializes in transforming complex, multi-source data into actionable insights through machine learning, knowledge graph technologies, and…
Added 14 days ago
Data Scientist III
Kaiser Permanente
Pasadena, CA
The Data Scientist III develops and applies advanced analytics, machine learning, and automation to improve risk adjustment data quality, throughput, and operational effectiveness. This…

Robert Half

Machine Learning Engineer

Los Angeles, CA, United States

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Job details

Experience: 5+ years of experience building, deploying, and operating production machine learning systems.
Posting language: English
Posted: Sep 24, 2026

Original job description

Description

Machine Learning Engineer

Company Overview

Based in Los Angeles, California, the company specializes in transforming complex, multi-source data into actionable insights through machine learning, knowledge graph technologies, and advanced analytics. This is an opportunity to work on mission-critical applications in a highly collaborative environment focused on innovation, scalability, and operational excellence.

Role Summary

The Machine Learning Engineer will play a critical role in designing, training, deploying, and optimizing machine learning models that operate on large-scale temporal, geospatial, relational, and unstructured datasets.

Key Responsibilities

Design, train, evaluate, deploy, and optimize machine learning models across multiple production use cases.
Build predictive solutions for anomaly detection, forecasting, entity resolution, relationship prediction, risk assessment, and operational decision support.
Partner with data engineering teams to develop high-quality training datasets from structured, unstructured, temporal, relational, and geospatial data sources.
Design model architectures and select appropriate algorithms based on business objectives, data characteristics, and operational requirements.
Develop and maintain machine learning pipelines spanning data preparation, feature engineering, training, evaluation, deployment, and monitoring.
Build scalable solutions that leverage graph-based and knowledge graph-driven data architectures.
Establish rigorous evaluation frameworks, baselines, performance metrics, and validation methodologies.
Design experiments that mitigate data leakage, model drift, bias, and changing data distributions.
Implement monitoring, observability, alerting, retraining, rollback, and model governance processes.
Maintain reproducible datasets, model artifacts, evaluation results, and deployment workflows.
Collaborate with distributed engineering teams to deliver reliable and scalable machine learning capabilities.
Improve model calibration, confidence scoring, uncertainty estimation, and explainability.
Contribute to technical architecture, machine learning standards, and long-term platform strategy.

Requirements

Required Qualifications

Bachelor’s or Master’s degree in Computer Science, Machine Learning, Statistics, Applied Mathematics, Data Science, or a related field, or equivalent practical experience.
5+ years of experience building, deploying, and operating production machine learning systems.
Proven ability to independently own end-to-end machine learning development, deployment, monitoring, and optimization.
Strong Python software engineering skills with experience developing production-grade applications.
Demonstrated expertise developing and training machine learning models from raw data through production deployment.
Experience designing datasets, feature engineering pipelines, and model training strategies.
Hands-on experience with machine learning operations (MLOps), including deployment automation, monitoring, model drift detection, retraining, and lifecycle management.
Broad experience across multiple machine learning domains, including computer vision, natural language processing (NLP), geospatial analytics, forecasting, anomaly detection, or entity resolution.
Experience working with graph-based data models, relational data, or knowledge graph environments.
Strong understanding of experimental design, model evaluation, calibration, uncertainty estimation, and error analysis.
Experience working with complex, incomplete, evolving, or heterogeneous datasets.
Excellent written and verbal communication skills.

Preferred Qualifications (Nice-to-Haves)

Experience leading machine learning initiatives across multiple concurrent production models and use cases.
Expertise in knowledge graph technologies, graph machine learning, link prediction, or entity matching.
Experience with geospatial intelligence, trajectory analysis, location-based analytics, or time-series modeling.
Experience with vector databases, graph databases, PostgreSQL, analytical lakehouse platforms, or large-scale data infrastructure.
Experience serving machine learning models in cloud, on-premises, edge, or disconnected environments.
Knowledge of model optimization techniques including quantization, distillation, and efficient inference.
Familiarity with TypeScript or full-stack integration of machine learning capabilities into production applications.
Experience mentoring engineers, establishing machine learning best practices, and defining technical standards.

Technology Doesn't Change the World, People Do.®

Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.

Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app (https://www.roberthalf.com/us/en/mobile-app) and get 1-tap apply, notifications of AI-matched jobs, and much more.

Robert Half will consider for employment qualified applicants with arrest or conviction records in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.

© 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to Robert Half’s Terms of Use (https://www.roberthalf.com/us/en/terms) and Privacy Notice (https://www.roberthalf.com/us/en/privacy) .

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More about this job

Skills

Machine learning
Forecasting
Hazard assessment
Data engineering
Create model
Maintain machinery
Estimating
Computer science
Statistics
Python
Natural language processing
Data models
Communication skills
PostgreSQL
TypeScript
Coaching
Customer service

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Data scientist jobs in Buena Park, CA and nearby

Data Architect- Aerospace, Defense, and Mobility Sector - Senior Manager- Consulting - Open Location

Research Senior Data Scientist - Ajami Lab - Department of Neurology (Remote)

Principal Data Scientist

Lead Data Scientist

Sr. Data Engineer/Sr. Data Architect

Data Scientist , Music DISCO

Sr Data Scientist Hybrid role

Principal Machine Learning Engineer

Senior Machine Learning Engineer (Applied Intelligence)

Data Scientist (Direct Hire)

Senior Data Scientist, RBQM Analytics

Senior Data Scientist

Senior Data Scientist

Associate Data Scientist

Data Architect

Data Modeler

Staff Applied Data Scientist, Agentic AI

Sr. Data Scientist (ML)

Data Scientist 3

Applied Machine Learning Engineer

Converge Signals, FSI - Data Scientist_Products & Platforms

Data Scientist III

Principal Data Scientist