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562 junior python jobs at 185 companies in Mission Viejo, CA

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Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
1mo
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Junior Consultant - US
New York City or Los Angeles or United States or North America
$85k-$95k/yr OnsiteFull Time
Artefact
Artefact: Global consulting firm specialized in data and AI transformation.
1+ YOEUndergraduate degree, 1-2 years relevant experience, strong Excel and PowerPoint skills, familiarity with SQL/R/Python, excellent communication and analytical skills for client-facing work.
Microsoft Excel, SQL, R, Python, Microsoft PowerPoint
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2w
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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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1mo
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JUNIOR SOFTWARE DEVELOPER (C++)
Norco, California, United States
$75k-$110k/yr OnsiteFull Time
VSolvit
VSolvit: Providing technology services and data solutions for government agencies.
0+ YOE0–4 years software development experience; proficiency in C++ for desktop applications; familiarity with OOP, multithreading, Git, CMake, and Python; U.S. Citizenship and active Secret DoD clearance required; CompTIA Security+ required.
C++, Git, CMake, Python, Jira, Confluence, SAFe, Agile
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2w
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Software Engineer - Test (Entry-Junior)
Los Angeles or San Francisco
$90k-$161k/yr OnsiteFull Time
Revel
Revel: Modern software platform for controlling complex hardware systems.
0+ YOEBachelor's degree in engineering/physics/computer science,0–2 years' software experience,foundational Python,interest in CI/CD,embedded testing and Linux familiarity,ability to work on hardware-in-the-loop systems,ITAR-eligible status required.
Python, Rust, Linux
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4d
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Junior Cybersecurity Administrator
Riverside, California, United States
$30-$45/hr OnsiteFull Time
T.M. Cobb
T.M. Cobb: Manufactures and distributes premium wood doors and building products.
0+ YOECompTIA Security+ (required or within 12 months), associate or bachelor\u0002s in related field or equivalent experience, 0-2 years IT/cybersecurity experience, familiarity with Rapid7, CrowdStrike, Proofpoint, Microsoft 365 Defender, basic scripting, strong communication and documentation skills.
Rapid7, InsightVM, InsightIDR, CrowdStrike Falcon, Proofpoint Essentials, Microsoft 365 Defender, PowerShell, Python
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1mo
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AI & Machine Learning Summer/Fall Co-Op (June '26 - Dec '26) (Irvine, CA, US)
Irvine, California, United States
$26-$48/hr OnsiteInternship
Skyworks Solutions
Skyworks SolutionsNASDAQ: SWKS: Designs and manufactures analog and mixed-signal semiconductor solutions.
0+ YOEUndergrad (junior/senior) in CS, data science, EE, ME, or IE; willing to relocate onsite June–Dec 2026; Python and PyTorch; VSCode; familiarity with Agentic AI, LangChain, LangGraph, Genie, Databricks.
Python, PyTorch, VSCode, Agentic AI, LangChain, LangGraph, Genie, Databricks
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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
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1mo
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Site Reliability Engineer, Kubernetes Platform (Starshield)
Hawthorne or Redmond
$125k-$175k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
1+ YOEBachelor's in CS/IT/engineering + 1+ year SRE/DevOps experience (or 3+ years experience), Linux, Terraform/Ansible, Kubernetes and OCI containers, Bash/Python scripting, development in Python/C++/Go, willingness to obtain Top Secret clearance.
Terraform, Ansible, OCI containers, Kubernetes, Bash, Python, C++, Go, Bazel, Makefiles, TCP/IP, Linux
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3mo
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Infrastructure Engineer - Early Career
Torrance or Washington
$77k-$104k/yr OnsiteFull Time
Northwood Space
Northwood Space: Manufacturing ground stations and providing satellite communication infrastructure.
0+ YOE0-2 years in infrastructure/DevOps; Linux, networking; Terraform; Git; Python/Go/Bash; strong communication.
Terraform, Kubernetes, Vault, AWS, Git, Prometheus, Grafana, CI/CD, Python, Go, Bash
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2w
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Postdoctoral Scholar - Research Associate
Los Angeles, California, United States
$64k-$66k/yr OnsiteFull Time
University of Southern California
University of Southern California: Private research university providing higher education and healthcare services.
0+ YOEPh.D. in a related field, programming expertise (Python, Matlab, TensorFlow), experience with neuroimage analysis, strong interest in neurodegenerative disease and neurogenomics.
Python, Matlab, TensorFlow
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2mo
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Power Engineer
Irvine, California, United States
$65k-$108k/yr HybridMultiple Commitments Available
ETAP
ETAP: Electrical power system modeling and analysis software solutions.
Bachelor’s degree in Electrical Engineering; power systems knowledge; software troubleshooting; Windows OS; SQL/SQLite; Python; strong communication.
Windows, SQL Server CE, SQLite, Python, SQL, Microsoft Office
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2w
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Software Engineer I
Los Angeles, California, United States
$91k-$111k/yr HybridFull Time
Los Angeles Capital Management
Los Angeles Capital Management: Quantitative equity management for global institutional investors.
1+ YOEBachelor's in a quantitative field, 1+ year production software experience, strong Python and SQL skills, familiarity with testing and Git, and effective communication.
Python, FastAPI, Pydantic, GitHub Actions, Snowflake, Prefect, Git, SQL, Azure, Docker, Dagster, Airflow
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2w
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Software Engineering Internship - Fall 2026
Torrance, California, United States
OnsiteFull Time
Vital Lyfe
Vital Lyfe: Develops portable devices that produce clean drinking water anywhere.
Strong programming fundamentals; experience with Python or TypeScript; familiarity with APIs, web applications, cloud systems; practical problem-solving and ownership mindset.
Python, TypeScript, React, SQL, AWS
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2mo
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AI Engineer
New York or Los Angeles or Boston or Jersey City or Houston
$115k-$130k/yr RemoteAll Commitments Available
Makai Labs
Makai Labs: Provides AI-powered enterprise automation and human-machine teaming solutions.
Hands-on AI engineer with Python skills; experience building AI apps; internship/coursework/research or projects; ability to prototype and iterate quickly.
Python, API development, Backend services, Workflow automation, FastAPI/Flask, React/TypeScript, Docker, Testing (Python/TypeScript), LLM retrieval/search
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1w
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Software Engineer
Los Angeles, California, United States
OnsiteFull Time
ALKEME Insurance
ALKEME Insurance: Insurance brokerage and risk management services provider.
Bachelor's degree or equivalent experience; proficiency in Java, Python, C#, or JavaScript; experience with Agile and Git; strong problem-solving and communication skills.
Java, Python, C#, JavaScript, Agile, Git, AWS, Microsoft Azure, Google Cloud
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2mo
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Scientist - Plasma Diagnostics
Foothill Ranch, California, United States
$110k-$130k/yr OnsiteFull Time
TAE Technologies
TAE Technologies: Developing commercial fusion energy and advanced power management technologies.
PhD in plasma physics with in situ diagnostics; hands-on diagnostics experience; data analysis and reporting; programming in Python.
Langmuir probes, retarding field analyzers, fast ion loss detectors, pyrobolometers, thermo-optical arrays, DAQ systems, oscilloscopes, function generators, high-vacuum systems, Python
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3mo
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Software Engineering Intern
El Segundo, California, United States
$4k-$6k/mo OnsiteAll Commitments Available
Rainmaker
Rainmaker: Provides cloud seeding services using drones and radar.
Internship requiring strong Python fundamentals, data handling, APIs, and SQL with interest in geospatial or sensor data.
Python, APIs, SQL
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3mo
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WiFi Connectivity Validation Engineer
Irvine or San Diego or Sunnyvale
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Bachelor's degree; knowledge of IEEE 802.11; programming in Python, Shell/Perl/JS/C#; experience validating WiFi systems; preferred advanced degree.
Python, Shell, Perl, JavaScript, CSharp, WiFi test equipment, Wireshark, Iperf, CMW500
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1w
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Development and Operations Engineer I
Costa Mesa, California, United States
$102k-$126k/yr RemoteFull Time
Experian
ExperianLondon Stock Exchange: EXPN: Provides data and analytical tools to manage credit risk.
1+ YOE1+ year experience in DevOps/CI-CD, AWS (EC2,S3,Dynamo), Python with Boto3, Terraform and CloudFormation; Bachelor's in related field accepted.
GitHub Actions, Harness IO, AWS CodeBuild, AWS CodePipeline, GitHub, Artifactory, EC2, S3, Dynamo, Python, Boto3, Terraform, CloudFormation
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2mo
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Postdoctoral Scholar – Clinical Neuroscience Research
Irvine, California, United States
$69k-$83k/yr OnsiteFull Time
University of California
University of California: A public research university system providing education and healthcare.
Recent PhD (within 3 years) in relevant field, proficiency in R and/or Python, strong written/oral communication, experience with biostatistics/data science preferred.
R, Python
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