27 numpy jobs at 18 companies in Lancaster, CA

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Category User Growth Project Intern (TikTok Shop - US Operation) - 2026 Start (BS/MS)
Los Angeles, California, United States
OnsiteInternship
TikTok
TikTok: Global short-form video hosting and social media platform.
Currently pursuing a Bachelors or Masters in a quantitative field; strong analytical/problem-solving skills; proficiency in SQL and Python (Pandas, NumPy); ability to work independently and communicate insights.
SQL, Python, Pandas, NumPy
1mo
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Machine Learning Engineer, Causal Inference, Level 5
Santa Monica or Los Angeles or San Francisco or Palo Alto or New York City
$178k-$313k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Develops social media applications and augmented reality technology.
5+ YOE5+ years post-Bachelor's ML experience with expertise in causal inference, experimentation, uplift modeling, and productionizing models; proficient in Python, pandas, NumPy, scikit-learn; strong communication and mentorship skills.
Python, pandas, NumPy, scikit-learn, CausalM, CausalML, EconML, DoWhy
1mo
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Data Science Intern
Los Angeles, California, United States
$30/hr HybridInternship
Centerfield
Centerfield: Drives customer acquisition through performance marketing and digital brands.
Currently pursuing a quantitative degree; strong Python and SQL skills; experience with pandas, NumPy, scikit-learn; working knowledge of ML and statistics; interest in LLM/GenAI; strong communication and self-starter mindset.
Python, pandas, NumPy, scikit-learn, SQL, GCP, BigQuery, Vertex AI, Neo4j, Dugout
1mo
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Scientific Computing Software Engineer
Northridge, California, United States
$90k-$165k/yr OnsiteFull Time
Areté
Areté: Develops advanced sensing and signal processing solutions for national security.
College degree in a scientific discipline or CS with focus on scientific computing; strong Python (numpy, scipy, pandas) and C/C++ skills; ability to obtain TS/SCI clearance; excellent communication and algorithm assessment skills.
Python, numpy, scipy, pandas, C, C++, Linux, CUDA, MPI, OpenMP
3mo
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Data Engineering Focused Consultant (Ph.D.)
Los Angeles or Irvine
$133k-$145k/yr OnsiteFull Time
Exponent
ExponentNASDAQ: EXPO: Provides multidisciplinary scientific and engineering consulting for complex problems.
3+ YOEPhD in CS or related field; 3+ years Python (NumPy, Pandas, SciPy); strong data engineering, cloud, and DB skills; experience with PySpark/ R/ MATLAB/ Java; production-grade software; excellent communication; independent and collaborative work
Python, NumPy, Pandas, SciPy, PySpark, R, MATLAB, Java, Power BI
1w
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Data Scientist Intern
Pasadena, California, United States
OnsiteInternship
Expatiate Communications
Expatiate Communications: Provides special education management and therapeutic services to school districts.
Pursuing or recently completed degree in CS/data-related field; proficiency in Python, Selenium, pandas, NumPy; experience with web scraping, data cleaning, EDA, and basic ML; must pass Live Scan background check and provide TB clearance.
Python, Selenium, pandas, NumPy, scikit-learn, BeautifulSoup, Matplotlib, Seaborn, SQL, NoSQL, AWS, GCP, Azure, Microsoft Power BI, Git
2mo
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Navigation Engineer, GNC
Los Angeles, California, United States
OnsiteFull Time
Furientis
Furientis: Develops cost-effective, high-volume interceptor missile systems.
7+ YOE7+ years navigation/estimation experience, designed and flown an EKF, deep inertial/GNSS expertise, flight-grade C/C++ or Rust and Python (NumPy/SciPy), hardware-in-the-loop and sensor characterization experience, U.S. Person, on-site Los Angeles with monthly weekend travel.
C/C++, Rust, Python, NumPy, SciPy, Claude Code, Codex, HWIL, GNSS RF simulator, IMU, GNSS receiver
3mo
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Financial Engineer
Pasadena, California, United States
OnsiteContract, Full Time
GalaxE.Solutions
GalaxE.SolutionsNYSE: DAVA: Provides IT consulting and software development for global enterprises.
Design and implement quantitative models; validate analytics; build data pipelines; collaborate with traders and software teams.
Python, Monte Carlo simulations, SQL, NoSQL, AWS, Azure, GCP, QuantLib, Pandas, NumPy, SciPy, Bloomberg, Refinitiv, FactSet, YieldBook, Intex, Aladdin
1mo
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Software Engineer, R&D Platforms
Los Angeles, California, United States
$112k-$200k/yr OnsiteFull Time
Antares
Antares: Designing and manufacturing microreactors for defense and space missions.
4+ YOEBachelor's in a related technical field, 4+ years developing engineering/test/R&D software, strong Python and C++, experience with hardware integration, DAQ, test automation, and data workflows.
Python, C++, NumPy, pandas, SciPy, matplotlib, Plotly, Dash, Jupyter, LabVIEW, NI-DAQmx, cDAQ, NI hardware, DAQ, CAN, Modbus, TCP/IP, OPC UA, MQTT, SCPI, VISA
2w
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Data Scientist II
San Francisco or Ottawa or Phoenix or Toronto or Los Angeles or Denver or Salt Lake City or Atlanta or Chicago or Houston or Portland or New York City or Vancouver or San Diego or Washington, D.C. or Sacramento or Jacksonville or Seattle or Mexico City or Austin or Miami or Boston or Dallas
$97k-$184k/yr HybridFull Time
Scribd
Scribd: Subscription-based digital library for e-books, audiobooks, and documents.
3+ YOE3+ years building and deploying ML models at scale, proficiency in Python, SQL/PySpark, Spark/Databricks, experience with NLP, deep learning and generative models, BS/MS in quantitative field.
Scikit-learn, NumPy, PyTorch, Python, SQL, Apache Spark, Databricks, PySpark
1mo
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Production Test Engineer
El Segundo or Los Angeles or Washington or San Francisco or San Diego or Seattle or London
$120k-$160k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
3+ YOEBachelor's in EE/CE/CS or equivalent, 3+ years in test automation or hardware validation, Python, Ubuntu/Linux, Ansible, networking fundamentals, debugging hardware/software integration; RF and RF test equipment experience preferred.
Python, Ubuntu, Linux, Ansible, NumPy, pandas, Matplotlib, Plotly, tkinter, spectrum analyzers, signal generators, network analyzers
5d
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Satellite Applications Specialist
El Segundo, California, United States
$90k-$150k/yr OnsiteFull Time
Rainmaker
Rainmaker: Provides cloud seeding services using drones and radar.
Experience with satellite remote sensing, retrievals, and computational workflows; strong Python and scientific‑data skills; degree in a related field or equivalent demonstrated ability.
Python, NumPy, SciPy, pandas, xarray, Dask
1d
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AI Research Scientist, Learning & Evaluation
Beverly Hills, California, United States
$180k-$280k/yr OnsiteFull Time
StudyFetch
StudyFetch: AI-powered platform providing interactive study tools for students.
5+ YOEPhD or equivalent with 5+ years applying quantitative methods to products, experience evaluating LLMs, experimental design, causal inference, strong communication and analytics skills.
Python, Pandas, NumPy, SciPy, Jupyter, SQL, MongoDB, PostgreSQL, GCP
2mo
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Principal Software Engineer - Mobile Development
Valencia or San Diego or San Jose
$107k-$203k/yr HybridFull Time
Boston Scientific
Boston ScientificNYSE: BSX: Manufacturer of interventional medical devices and technologies.
8+ YOEBachelor's degree in CS/Software Engineering, 8+ years Android mobile development (≥2 years medical device apps), 3+ years AWS experience, expertise with Kotlin/Java/Android Jetpack, BLE and secure protocols, knowledge of medical device software standards.
Kotlin, Kotlin Multiplatform, Java, Android Jetpack, MVVM, Rx, XML data binding, Bluetooth Low Energy (BLE), AWS KMS, AWS S3, AWS DynamoDB, AWS Cognito, API Gateway, AWS EC2, AWS CloudWatch, Jenkins, Git, SonarQube, Atlassian Agile tools, TensorFlow, Pandas, NumPy, R, HTTPS, OAuth
1mo
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Machine Learning Engineer, Causal Inference, Level 5
Los Angeles or San Francisco or Palo Alto or New York or Santa Monica
$178k-$313k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Provides visual messaging software and augmented reality wearable devices.
5+ YOE5+ years post-Bachelor's ML experience (or Master's/PhD with reduced experience), strong causal inference and experimentation experience, proficiency in Python and ML libraries, production ML experience, strong communication and mentorship skills.
Python, pandas, NumPy, scikit-learn, CausalM, CausalML, EconML, DoWhy
1mo
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Inference Specialist, Creative Technology - InterPositive
Los Angeles, California, United States
$165k-$265k/yr OnsiteFull Time
Netflix
NetflixNASDAQ: NFLX: Global video streaming and media production service.
4+ YOE4+ years in ML production/VFX/technical production; hands-on GPU inference for image/video/audio; Python and Linux command-line experience; strong debugging, deep learning inference knowledge, and video format familiarity.
Python, Linux, Git, PyTorch, CUDA, ffmpeg, OpenCV, NumPy, safetensors, Slurm
1mo
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Inference Specialist, Creative Technology - InterPositive
Los Angeles, California, United States
$165k-$265k/yr OnsiteFull Time
Netflix
NetflixNASDAQ: NFLX: Provider of global streaming entertainment and video content.
4+ YOE4+ years running GPU-based ML inference or related technical production; hands-on Python/Linux/GPU experience; debugging production runs; knowledge of deep learning inference and video/image formats; strong communication and collaboration skills.
Python, Linux, Git, PyTorch, CUDA, ffmpeg, OpenCV, NumPy, safetensors, Slurm
1w
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Machine Learning Engineer II
Diamond Bar, California, United States
$100k-$146k/yr OnsiteFull Time
Niagara Bottling
Niagara Bottling: Manufactures and distributes private label bottled water and beverages.
5+ YOEBachelor's in a quantitative field required (Master/PhD preferred); strong Python and ML framework experience (PyTorch/TensorFlow); production MLOps, cloud, and industrial data experience; preferred 5+ years in ML/industrial AI.
Azure Machine Learning Studio, Azure Machine Learning, XGBoost, Random Forests, LSTMs, Autoencoders, Isolation Forests, One-Class SVMs, Dynamic Time Warping, PCA, MLflow, Kubeflow, Docker, Kubernetes, PySpark, Databricks, Python, C++, C#, JavaScript, R, PyTorch, TensorFlow, Scikit-Learn, NumPy, Pandas, SciPy, SQL, NoSQL, InfluxDB, TimescaleDB, Google Cloud Platform, AWS, GCP, LangChain, LlamaIndex, Microsoft Semantic Kernel, AutoGen, CrewAI, Azure AI Foundry, OpenAI API, Hive, Pig, MATLAB, Weka, Matplotlib
1w
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Manufacturing Data Scientist
City of Industry, California, United States
$100k-$135k/yr RemoteFull Time
TriMas
TriMasNASDAQ: TRS: Manufactures engineered products for packaging, aerospace, and industrial markets.
3+ YOEBachelor's in a quantitative field, 3+ years data-science experience, 2+ years with ERP operational data, fluency in Python and SQL, BI tool experience, strong communication and manufacturing domain knowledge.
Python, SQL, ERP, MES, HCM, Power BI, Tableau, Looker, pandas, NumPy, scikit-learn, Git, dbt, LLM APIs
1mo
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Tax Artificial Intelligence Manager
Chicago or Los Angeles or New York or Oakbrook Terrace or San Francisco or Hartford or Nashville or South Bend or Tampa or Atlanta or Boston or Cleveland or Dallas or Denver or Fort Lauderdale or Houston or Grand Rapids or Austin or Charlotte or Indianapolis
$96k-$195k/yr OnsiteFull Time
Crowe
Crowe: Global professional services firm providing audit, tax, and consulting.
7+ YOE2+ Mgmt7+ years software engineering experience, 2+ years leading engineers, strong Python and cloud (Microsoft Azure) expertise, experience with async processing, CI/CD, security, and stakeholder communication; Bachelor's degree required.
Python, FastAPI, AsyncIO, Pydantic, Uvicorn, Gunicorn, SQLAlchemy, Alembic, Microsoft Azure PostgreSQL, Microsoft Azure, Microsoft Azure App Service, Microsoft Azure Functions, Microsoft Azure Service Bus, Microsoft Azure Blob Storage, Microsoft Azure Key Vault, Microsoft Azure API Management, Microsoft Managed Identity, Microsoft Azure Monitor, Microsoft Application Insights, Microsoft Azure Foundry, Microsoft Azure AI Document Intelligence, OpenAI Python SDK, Microsoft Azure OpenAI, OpenAI APIs, Microsoft Agentic Framework, FAISS, scikit-learn, RapidFuzz, PyMuPDF, pypdf, pandas, numpy, Microsoft Entra ID, Microsoft Azure AD, Okta, OAuth2, OIDC, JWT, Microsoft Azure DevOps Pipelines, Octopus Deploy, Veracode, pytest, pytest-asyncio, pytest-cov, OpenTelemetry, structlog, Jinja2, HTML/CSS, JavaScript