3,695 python jobs at 771 companies in Ontario, CA

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Python Test Automation Engineer
Los Angeles, California, United States
$140k-$150k/yr OnsiteFull Time
EPAM Systems
EPAM SystemsNYSE: EPAM: Provides global digital platform engineering and software development services.
Bachelor's in a relevant engineering or CS field; proven experience building Python-based test automation frameworks, robotic automation fixtures integration, Git/GitHub/GitLab, UNIX, and Jenkins; sensor validation experience; Master's degree preferred.
Python, UNIX, Jenkins, Git, GitHub, GitLab, CI/CD, Anthropic Claude, Claude Code, LinkedIn Learning
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Credit Risk Python Architect
Charlotte or Atlanta or Minneapolis or San Francisco or New York or Chicago or Cincinnati or Los Angeles
$112k-$131k/yr HybridFull Time
U.S. Bank
U.S. BankNYSE: USB: Provider of personal, business, and institutional financial services.
4+ YOEBachelor’s or higher in quantitative field with 4+ years (PhD 4+; MA/MS 5+); strong Python, DevOps, data platforms; experience with risk models and data pipelines.
Pandas, Polars, FastAPI, Docker, Kubernetes, Helm, Git, Apache Airflow, SQL
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GenAI Python Systems Engineer-Manager
Chicago or Raleigh or Charlotte or Cincinnati or Cleveland or Columbia or Columbus or Dallas or Baltimore or Rochester or Rosemont or Sacramento or Boston or St. Louis or Salt Lake City or San Antonio or San Diego or San Francisco or Silicon Valley or Seattle or Albany or Stamford or Tampa or Atlanta or Toledo or Houston or Irvine or Jacksonville or Kansas City or Los Angeles or Louisville or Fayetteville or Melville or Miami or Milwaukee or Minneapolis or Nashville or New Orleans or Los Angeles or New York or Portland or Philadelphia or San Antonio or Denver or Des Moines or Indianapolis or Irvine or Fresno or Hartford or Tampa or Miami or San Francisco or Washington or New York or Portland or Philadelphia or Phoenix or Pittsburgh or Seattle or Denver or Portland or New York
$99k-$232k/yr OnsiteFull Time
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
5+ YOE5 years of experience in data, analytics, and AI; proficient in Python and SQL; Docker experience; cloud (AWS/Azure/GCP); AI/LLM techniques; prompt engineering; DevOps with cloud services; travel up to 80%
Python, SQL, Docker, AWS, Azure, GCP, Terraform, CloudFormation
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Principal Software Engineer (Python)
Irvine or Oklahoma City or Sunrise or Oxford or Dallas or Austin
$155k-$180k/yr HybridFull Time
Cotality
Cotality: Provider of property intelligence, data, and analytics solutions.
10+ YOE10+ years professional software engineering experience; expert Python/FastAPI; semantic, graph, and RAG/Vector retrieval experience; cloud (GCP/AWS/Azure); leadership, TDD, and AI/LLM/SLM familiarity.
Git, Unix, Python, FastAPI, FastMCP, ADK, LLM, SLM, GraphRAG, Vector Databases, RAGAS, DeepEval, GCP, AWS, Azure
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Principal Software Engineer (Python)
Irvine or Oklahoma City or Sunrise or Oxford or Dallas or Austin
$155k-$180k/yr HybridFull Time
Cotality
Cotality: Provides property data, analytics, and workflow intelligence solutions.
10+ YOEMaster's or Bachelor's in CS/AI (required), 10+ years software engineering, expert Python/FastAPI, semantic/graph and RAG experience, cloud (GCP/AWS/Azure), Git/Unix, ADK, vector DBs, strong communication and leadership.
Git, Unix, Python, FastAPI, FastMCP, ADK, Vector Databases, GraphRAG, RAGAS, DeepEval, HyDE, GCP, AWS, Azure
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Senior Product Software Engineer (Python)
San Francisco or Chicago or Los Angeles
$160k-$200k/yr HybridFull Time
Tyba
Tyba: AI software for modeling and operating renewable energy projects.
5+ YOE5+ years full-stack engineering experience; strong Python and React; production GraphQL experience; willingness to learn ClojureScript; familiarity with AI-assisted coding tools; strong cross-functional communication.
Python, React, GraphQL, Strawberry, ClojureScript, Cursor, Copilot, Claude Code, Warp Agent Mode, Recharts, ECharts, dbt, Snowflake, Redshift, PyTorch, AWS, PostgreSQL, Fulcro, Tailwind CSS, Clojure, Kotlin
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Front End Developer Tableau/Python
Norco, California, United States
$70k-$143k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOEActive Secret clearance and U.S. citizenship required. Bachelor’s in CS/Engineering, 5+ years software development, proficiency with Python, SQL/relational DBs, Tableau, front-end frameworks, cloud platforms, Git, and Agile.
Tableau, Python, SQL, Java, C#, JavaScript, Oracle, PostgreSQL, MySQL, React, Angular, Vue.js, Node.js, .NET, AWS, Azure, Google Cloud, Git, CI/CD
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Front End Developer Tableau/Python
Norco, California, United States
$70k-$143k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEActive SECRET clearance and U.S. citizenship required; Bachelor’s in CS/Engineering; 5+ years software development; proficiency with Python, SQL, Java/C#/JavaScript, relational DBs, Tableau, front-end frameworks, cloud platforms, Git, and Agile.
Tableau, Python, SQL, Java, C#, JavaScript, Oracle, PostgreSQL, MySQL, React, Angular, Vue.js, Node.js, .NET, AWS, Azure, Google Cloud, Git, CI/CD, Agile
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Senior Software Engineer, Data Systems (Python)
Canada or United States or San Francisco or Los Angeles
$170k-$200k/yr RemoteFull Time
Northbeam
Northbeam: Marketing intelligence and attribution platform for eCommerce brands.
5+ YOE5+ years in data/software/integration engineering; strong Python, ETL, API/REST/GraphQL/Webhooks, auth flows; SQL and BigQuery; Airflow; Docker/Kubernetes; strong problem solving and observability skills.
Python, ETL, APIs, REST, GraphQL, Webhooks, OAuth 2.0, API keys, SQL, BigQuery, Airflow, Docker, Kubernetes
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Software Automation and Controls Engineer - Python & PLCs
El Segundo, California, United States
$131k-$184k/yr OnsiteFull Time
Varda Space Industries
Varda Space Industries: Develops in-orbit manufacturing platforms and reentry capsules for pharmaceuticals.
2+ YOEBachelor's in engineering,2+ years in test automation or controls,strong Python,PLC and EtherCAT/Modbus/serial integration experience,and hands-on electrical and panel wiring skills.
Python, EtherCAT, Modbus, RS-232, RS-485, TwinCAT 3, IEC 61131-3, Docker, Linux, Grafana, InfluxDB
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Staff Systems Engineer (C++/Python)
New York or Los Angeles County
$220k-$260k/yr RemoteFull Time
NBCUniversal
NBCUniversalNASDAQ: CMCSA: Produces and distributes entertainment content and theme park experiences.
5+ YOEBachelor's in CS/Engineering/Math, 5+ years industry experience, strong C++ systems development, familiarity with machine learning/computer vision, Git and Unix shell proficiency, experience deploying/testing on cloud and large geospatial datasets.
C++, Python, Git, Mercurial, CMake, Linux, macOS, bash, Unreal Engine
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Senior Backend Engineer (Ruby on Rails/Python) - Content Foundations
San Francisco or Atlanta or Austin or Boston or Chicago or Dallas or Denver or Houston or Jacksonville or Los Angeles or Miami or New York City or Phoenix or Portland or Sacramento or Salt Lake City or San Diego or Seattle or Washington, D.C. or Ottawa or Toronto or Vancouver or Mexico City
$120k-$217k/yr HybridFull Time
Scribd
Scribd: Subscription-based digital library for e-books, audiobooks, and documents.
7+ YOE7+ years software engineering; experience with ingestion pipelines, ETL, and content processing; proficient in Ruby, Python, or Go; AWS and distributed workflows; strong DB design; effective communicator.
Ruby, Python, Go, AWS, SQL, NoSQL, ETL, LLM
1w
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Advanced AI Engineer - Structural Analysis & Python
Torrance, California, United States
$185k-$231k/yr HybridFull Time
Honeywell International
Honeywell InternationalNASDAQ: HON: Designs and manufactures technologies for aerospace, buildings, and industry.
5+ YOEBachelor's in technical discipline, 5+ years aerospace/mechanical engineering, 2+ years physics-based AI model development, 3+ years simulation scripting, experience with CFD/structural analysis and NVIDIA physics‑AI tools.
Physics NEMO, Modulus, Warp, Python, PyTorch, TensorFlow, JAX, PyVista, Matplotlib, Plotly, Abaqus Python scripting interface, Ansys PyAnsys, APDL, MLOps
2mo
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Aerospace Engineer 2
Los Angeles, California, United States
$95k-$208k/yr OnsiteFull Time
University of California, Los Angeles
University of California, Los Angeles: A public research university providing higher education and research.
1+ YOE1+ years research in planetary astrophysics; 2+ years Python; 1-2 years teamwork; strong Python; interpret complex data; advise on technical approaches; proven research and communication.
Python
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gTech Product Deployment Engineer
San Francisco or Atlanta or Chicago or New York or Los Angeles or Sunnyvale
$126k-$181k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
3+ YOEBachelor's in engineering/CS or equivalent, 3+ years building proofs-of-concept with JavaScript/Python/SQL, system design or code reading in Java/C++/Python, strong communication and stakeholder skills.
JavaScript, Python, SQL, Java, C++, Google Ads, Google Marketing Platform, SA360, DV360, GA4, Google Cloud
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BUSINESS DATA ANALYST 2
Norco, California, United States
$88k-$120k/yr OnsiteFull Time
VSolvit
VSolvit: Providing technology services and data solutions for government agencies.
2+ YOEBachelor's degree,2+ years data-analysis experience,proficiency with Tableau,Python,SQL and Python libraries,Pandas/NumPy/Matplotlib,strong communication and analytical skills,US citizenship required.
Tableau, Python, SQL, Pandas, NumPy, Matplotlib, Power BI, Looker, AWS, Microsoft Azure, Google Cloud
3mo
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Wireless System Automation and Test Engineer
Los Angeles or San Francisco or San Diego
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Bachelor's degree; knowledge of wireless systems; programming in Python, Shell, C++, or C#.
Python, Shell, C++, C#, Signal Analyzers, Signal Generators, Spectrum Analyzers
2mo
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GNC Engineer, Beam Planning (Starshield)
Hawthorne, California, United States
$125k-$175k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
Bachelor’s in aerospace or computer science/engineering; software development experience in C++ or Python.
C++, Python, GNC, Software Development
3mo
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Lead ETL Engineer
New York or Birmingham or Miami or Tampa or Cincinnati or Los Angeles
$140k-$199k/yr HybridFull Time
Green Dot
Green DotNYSE: GDOT: Provides mobile banking and payment solutions to consumers and businesses.
8+ YOE8+ years in data warehousing with cloud platforms, ETL tools, Python, and technical leadership.
Informatica Cloud, Azure Data Factory, SQL Packages, Python, Jenkins, GitHub Actions, AWS Redshift, CI/CD
3mo
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Engineering Technician
Hawthorne, California, United States
$45k-$60k/yr OnsiteFull Time
Teledyne Technologies
Teledyne TechnologiesNYSE: TDY: Manufactures sensors, cameras, and electronics for aerospace and defense.
Hands-on diagnosis, repair, and testing of equipment; experience with RF devices and LabVIEW/Python is a plus.
LabView, Python, Spectrum Analyzer, Multimeter, Power Supply, Oscilloscope