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22 optimization modeling jobs at 15 companies in Fontana, CA

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Machine Learning Engineer 5 - Decisioning & Optimization
New York City or Seattle or Los Angeles or Los Gatos
$466k-$750k/yr OnsiteFull Time
Netflix
NetflixNASDAQ: NFLX: Provider of global streaming entertainment and video content.
7+ YOE7+ years software engineering experience with 3+ years on ML infrastructure or model serving; proficiency in Java, Python, or Scala; experience building high‑QPS, low‑latency model serving, feature serving, and model monitoring.
Java, Python, Scala, Chronon, Signal Service, JVM
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1mo
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Machine Learning Engineer 5 - Decisioning & Optimization
New York or Los Angeles or Los Gatos or Seattle
$466k-$750k/yr OnsiteFull Time
Netflix
NetflixNASDAQ: NFLX: Global video streaming and media production service.
7+ YOE7+ years software engineering; 3+ years ML infrastructure, model serving, or ML platform experience in ads/real-time decisioning; real-time model serving with sub-20ms latency; proficiency in Java, Python, or Scala; experience with ML serving frameworks and real-time feature pipelines; strong model monitoring and production readiness.
Java, Python, Scala, ML serving frameworks, feature stores, model registries
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3mo
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Quantitative Fixed Income Researcher
Los Angeles, California, United States
$150k-$175k/yr OnsiteFull Time
TCW
TCW: Global asset management firm providing investment and advisory services.
5+ YOE5+ years fixed-income experience; MSc or equivalent; strong quantitative skills; Python proficiency; experience with factor models and portfolio optimization.
Python, Git, Docker
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Quantitative Analytics Senior
McLean or Los Angeles County or United States
$126k-$190k/yr OnsiteFull Time
Freddie Mac
Freddie MacOTCQB: FMCC: Purchases and securitizes home mortgages for the secondary market.
3+ YOEPhD in quantitative discipline or Master’s +3 years. Expertise in predictive modeling, econometrics, optimization, machine learning, Monte Carlo; proficiency in Python, R, C++, SQL, SAS; independent model development and data processing.
Python, R, C++, SQL, SAS
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2w
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Strategy& Deals Private Equity Value Creation - Working Capital Sr. Associate
New York or Los Angeles or San Francisco or Chicago or Boston
$77k-$202k/yr OnsiteFull Time
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
3+ YOEBachelor's degree and 3 years experience; strong financial analysis, working capital optimization, modeling, and client advisory skills; critical thinking and mentoring ability.
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3w
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Data Scientist
Los Angeles, California, United States
$184k-$234k/yr OnsiteFull Time
Atoms
Atoms: Building robotics and software to automate physical world industries.
3+ YOEBachelor's in a quantitative field, 3+ years data science/ML/OR experience, experience building and deploying production models, strong Python and SQL skills, and systems-thinking for optimization and simulation.
Python, SQL, LP/MIP
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Data Scientist
Los Angeles, California, United States
$184k-$234k/yr OnsiteFull Time
Lab37
Lab37: Developing automated robotic systems for commercial food production.
3+ YOEBachelor's in a quantitative field required, 3+ years data science/ML/OR experience, proven deployed models, strong statistical rigor, Python and SQL programming, and systems-thinking for optimization and simulation.
Python, SQL
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Digital - Senior Data Engineer / Data Engineer, Digital Technology
Seattle or Vancouver or Toronto or New York City or Los Angeles
$100k-$300k/yr OnsiteFull Time
Aritzia
AritziaToronto Stock Exchange: ATZ: Designs and sells everyday luxury women's clothing and accessories.
Design and optimize scalable batch and real-time data pipelines; build ETL/ELT workflows; deliver governed data models; enforce data quality, governance, privacy, and security; mentor junior engineers.
SQL, Google Cloud Platform (GCP), BigQuery, Snowflake, Redshift, Airflow, Pub/Sub, Customer Data Platform (CDP)
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Senior Consultant, Productivity
New York City or Seattle or Washington or Los Angeles or San Francisco or Chicago
$127k-$150k/yr OnsiteFull Time
West Monroe
West Monroe: Business and technology consultancy specializing in digital transformation.
4+ YOE4+ years consulting or analytical experience, bachelor’s degree, experience with process optimization, workforce analytics, quantitative modeling, AI/automation exposure, strong communication, and ability to travel ~50%; US work eligibility required.
Microsoft Excel
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Applied Scientist, Machine Learning Accelerator - Annapurna Labs
Austin or Cupertino or Los Angeles County
$143k-$193k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
3+ YOEPhD or Master's + experience in CS/CE/ML, 3+ years building models for business applications, publications/patents, programming in Java/C++/Python, and experience in algorithms, optimization, parallel/distributed or high-performance computing.
SMT solver, Java, C++, Python, Unix/Linux, Amazon S3, Amazon EC2
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3w
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Technology and Innovation - OneStream Manager
Atlanta or Dallas or San Jose or Miami or New York or Houston or Denver or Orange County or Chicago or Detroit or Washington
$116k-$160k/yr HybridFull Time
Riveron
Riveron: Provides business advisory and financial consulting services to companies.
5+ YOEBachelor's in Accounting/Finance/MIS, 5+ years implementing/optimizing OneStream or other CPMs, OneStream certification required, experience with vb.net/Visual Basic or C#, Microsoft Office, data modeling, and leadership of implementation teams.
OneStream, vb.net, Visual Basic, C#, Microsoft Office, Hyperion, Oracle, Adaptive
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Principal Machine Learning Engineer, Content ML, Level 7
Los Angeles or Santa Monica or Seattle or Bellevue or San Francisco or Palo Alto or New York City
$235k-$414k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Develops social media applications and augmented reality technology.
9+ YOE9+ years post-bachelor ML experience (or Master’s+8, PhD+5), 2+ years technical leadership, deep RecSys and large-scale ML experience, model design/deploy/optimization, strong software engineering and communication skills.
TensorFlow, PyTorch, Electronic Medical Records (EMR)
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3w
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Staff Applied Scientist, AdTech
Los Angeles or Portland or San Diego or Seattle
$175k-$200k/yr RemoteFull Time
Launch Potato
Launch Potato: Digital media operating a portfolio of consumer brands.
5+ YOE5+ years applied data science experience; proven digital/performance marketing experience; hands-on ML in AWS; strong modeling fundamentals; multi-armed bandit, recommendation/ranking, LTV/funnel optimization experience; expert Python and SQL.
AWS, Python, SQL, Looker, Google, Meta, LLMs
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Sr. Data Scientist (Irvine, CA, US)
Irvine, California, United States
$114k-$220k/yr OnsiteFull Time
Skyworks Solutions
Skyworks SolutionsNASDAQ: SWKS: Designs and manufactures analog and mixed-signal semiconductor solutions.
8+ YOEBS + 8 years in ML/CS/EE/applied math (PhD preferred); strong ML/DL (CNNs, transformers, time-series, probabilistic methods); Python and PyTorch/TensorFlow/Scikit-learn; statistics, optimization, model evaluation; cross-team collaboration.
Python, PyTorch, TensorFlow, Scikit-learn, Airflow, MLflow
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SENIOR APPLICATION DEVELOPER (DATA & ANALYTICS)
Los Angeles County, California, United States
$100k-$134k/yr OnsiteFull Time
County of Los Angeles
County of Los Angeles: Provides public services and healthcare to Los Angeles County residents.
3+ YOEBachelor's in Computer Science/Information Systems/Data Science and 3 years enterprise-level data & analytics experience building and optimizing Transact-SQL and PL/SQL; experience with Excel, Tableau, ETL, Business Objects, data modeling, transformations, and documenting requirements; valid California Class C driver or alternative transportation.
Transact-SQL (T-SQL), PL/SQL, Microsoft Excel, Tableau, ETL, Business Objects, Microsoft Azure, Amazon Web Services (AWS), Google Cloud Platform, JIRA, Electronic Data Interchange (EDI), Fast Healthcare Interoperability Resources (FHIR), CPT-4, ICD-10, SNOMED CT
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3mo
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Industrial Engineer (9440)
Newport Beach, California, United States
$80k-$138k/yr OnsiteFull Time
Tower Semiconductor
Tower SemiconductorNASDAQ: TSEM: Global manufacturer of specialty analog integrated circuits.
2+ YOEB.S in Industrial Engineering, Systems Engineering, or Computer Science; 2-3 years in semiconductor manufacturing; Master's preferred; experience in manufacturing and operations management; strong statistics, data analysis, and problem solving; knowledge of manufacturing science, scheduling/dispatching, TOC, Lean, inventory and capacity planning; e...
PROMIS, APF, RTD
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