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Python Software Developer Jobs in Castaic, CA, US
590+ python software developer jobs from 180+ companies hiring in Castaic, CA, US.
1mo
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Sr. Power Electronics Software Engineer
Torrance, California, United States
$135k-$168k/yr OnsiteFull Time
2+ YOEEmbedded C, real-time software, Git/GitLab, Python scripting, Bazel/CMake/Makefile, 2+ years exp; Bachelors in CE/EE/CS (Masters a plus).
C, GitLab, Python, Bazel, CMake, Makefile
2mo
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Staff Software Engineer, Growth Notifications, Level 6
Bellevue or Los Angeles
$229k-$343k/yr OnsiteFull Time
9+ YOE9+ years software development; backend/distributed systems; leadership across teams; observability and reliability focus.
Java, Go, C++, Python, Kafka, Google Cloud, AWS, Memcached, Redis, Cloud Tasks, Pub/Sub
3mo
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Software Test Engineer
Los Angeles, California, United States
$36-$43/hr OnsiteFull Time
Bachelor's degree in CS/EE, strong Python/C/C++, testing and networking basics, US citizen.
Wireshark, TCPDump, Putty/Minicom, Web browser developer tools
2w
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Senior Software Engineer (Robotics & Intelligence)
Rancho Dominguez, California, United States
$110k-$130k/yr OnsiteFull Time
8+ YOE8+ years in embedded software, robotics or autonomous systems; NVIDIA Jetson/ARM64; ROS 2; GPU/edge ML; LTE/5G; security; C++/Python.
NVIDIA Jetson, ROS 2, DDS, GStreamer, RTSP, WebRTC, Ansible, AIDE, Elastic Agent, OSSEC, TLS, AES-256, FIPS
1d
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Software Development Engineer II
Los Angeles, California, United States
$159k-$255k/yr OnsiteFull Time
3+ YOEBackend engineer with SQL/postgreSQL, Python, ETL, REST APIs, AWS, Docker, CI/CD; strong problem-solving and collaboration.
SQL, PostgreSQL, Python, ETL, RESTful APIs, AWS, Docker, CI/CD, Terraform
6d
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Embedded Software Engineer (III) - Lunar Permanence
Greater Seattle Area or Space Coast or Denver or Los Angeles
$165k-$231k/yr HybridFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
6+ YOE6+ years embedded software design/development in C/C++/Rust with Linux; board support packages; hardware debugging; experience with HW/SW interaction; strong teamwork.
GDB, XSDB, GRMON, Logic Analyzer, Oscilloscope, JTAG, Wireshark, Matlab, Python, Git
6d
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Software Engineer II, Onsite
El Segundo, California, United States
$76k-$144k/yr OnsiteFull Time
2+ YOESTEM degree with 2+ years experience; C++ on Linux/VxWorks; real-time software; scripting; active Top Secret clearance.
C++, Linux, VxWorks, Shell, Perl, Python
19h
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Software Development Engineer I
Washington or Reston or San Diego or San Francisco or Wilmington or Phoenix or Los Angeles or Houston or Boston or Austin or Atlanta or Raleigh or Baltimore or New York or Dallas or Palo Alto or Short Hills or Minneapolis or Chicago or Seattle or Philadelphia or Miami
$37-$59/hr HybridFull Time
1+ YOE1-3 years programming with Node.js, Python, C#, Razor, MVC; SQL databases; JavaScript frameworks; HTML/CSS; strong communication.
Node.js, Python, C#, Razor, MVC, Visual Studio Code, MS Graph, APIs, Git, Azure DevOps, SQL, HTML, CSS, JavaScript
1mo
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Senior Software Engineer, GeniusIQ
Los Angeles or New York City
$175k-$220k/yr HybridFull Time
Senior software engineer to design, build, and operate real-time data systems powering GeniusIQ; collaborate with CV and ML teams; own end-to-end features across the stack.
Rust, Elixir, TypeScript, Go, C++, Python, PostgreSQL, Relational databases, React, Three.js, HTML5 Video, Canvas, REST, GraphQL, gRPC, AWS, Temporal.io, Docker, Kubernetes, Pulsar, RabbitMQ, WebAssembly
1mo
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Senior Software Engineer, Robotics
Torrance, California, United States
$141k-$194k/yr OnsiteFull Time
5+ YOEBachelor’s in Computer Science, Robotics, or related field; 5+ years of experience; proficient in C++ and Python; knowledge of robotics concepts, planning/vision; ROS/MoveIt experience; CI/CD; Docker/Kubernetes; strong collaboration.
C++, Python, ROS, MoveIt, OpenCV, PCL, Docker, Kubernetes
2w
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Senior Software Engineer (Teradyne, Agoura Hills) (Agoura Hills, CA, US)
Agoura Hills, California, United States
$162k-$259k/yr HybridFull Time
10+ YOE10+ years software development; embedded Linux BSP and drivers; C/C++, Python; Linux environment; Git, CMake, Yocto, Docker; hardware interfaces; cross-functional teamwork; BS in engineering; EOE.
GIT, CMake, Yocto, Docker, Linux, Python, C, C++, bash
2mo
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Staff Software Engineer, Growth Notifications, Level 6
Bellevue or Los Angeles
$229k-$343k/yr OnsiteFull Time
9+ YOE9+ years software development or advanced degree with substantial experience; strong cloud, distributed systems, observability, and incident response skills; leadership capabilities.
Java, Go, C++, Python, NoSQL, Memcached, Redis, Google Cloud, AWS, Kafka, Google Pub/Sub, Cloud Tasks
3w
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Sr. Software Engineer, Perception
Torrance, California, United States
$132k-$183k/yr OnsiteFull Time
5+ YOEBachelor's degree in CS/CE/Robotics/Aerospace or related field; 5+ years in perception/robotics; production deployment of perception systems; strong CV, state estimation, and sensor fusion experience; C++/Python; ROS2 knowledge
C++, Python, ROS 2, OpenCV, GStreamer, ROS, MATLAB, Jetson or similar edge computing platforms
1mo
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Staff Software Engineer - Data Foundations
Los Angeles, California, United States
$193k-$269k/yr OnsiteFull Time
7+ YOE7+ years of Python and SQL experience; strong data engineering concepts and pipelines; Agile/DevOps experience.
Python, SQL, Airflow, Luigi, Open Source ETL
2mo
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Senior Product Software Engineer, Applied Technologies
New York or San Francisco or Los Angeles
$210k-$240k/yr HybridFull Time
8+ YOE8+ years software engineering; 2+ years product development in client-facing role; cross-functional collaboration; impact on real-world customers.
Docker, AWS, Google Cloud, Terraform, Python, React, Claude Code, Cursor, MCP (LLM integrations)
1mo
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Senior Flight Software Engineer
Los Angeles, California, United States
OnsiteFull Time
5+ YOE5+ years in software/embedded systems; C/C++; RTOS/embedded Linux; aerospace experience preferred.
C/C++, RTOS, Embedded Linux, Python, MATLAB
2mo
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Senior Software Engineer: Trading Infrastructure
New York City or San Francisco or Los Angeles or United States or Canada
$185k-$225k/yr RemoteFull Time
6+ YOE6+ years professional software engineering; proficient in Python, Rust, and JavaScript/TypeScript; experience with low-latency/distributed systems; Web3 data ingestion; cloud and containerization; SRE practices; security fundamentals.
Python, Rust, JavaScript/TypeScript, Kafka, Pub/Sub, PostgreSQL, ClickHouse, GCP, Docker, Kubernetes, RPC, On-chain data ingestion
3w
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Software Integrity Engineer, Video Apps
Culver City or Cupertino or San Diego
OnsiteFull Time
1+ YOE1+ year in consumer-facing media/video apps; strong SDLC/QA knowledge; Bachelor's in CS or 5+ years experience; QA/testing, process improvements; automation with Swift or Python is a plus.
Swift, Python, Final Cut Pro, Motion, After Effects, DaVinci Resolve, Fusion, FXPlug, Non-linear editing software
1mo
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Senior Software Engineer
Redondo Beach, California, United States
$150k-$200k/yr HybridFull Time
7+ YOE7+ years engineering, systems-level thinker, strong design judgment, mentorship, full-stack expertise, collaborative, reliable communication.
Ruby on Rails, TypeScript, React, Python, PostgreSQL, AWS, CI/CD, Observability Tools
6d
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Senior Software Engineer
El Segundo, California, United States
$155k-$165k/yr HybridFull Time
Secret security clearance (active) with potential upgrade to Top Secret; strong English; full stack dev; web app design; API and database work; code reviews; CI/CD; Jira/Confluence; Jira Data Center; AI tools; strong communication; remote with IL5/IL6 onsite; up to 25% travel.
Node.js, Python, Express, Django, HTML, CSS, JavaScript, Groovy, Jira, Confluence, ScriptRunner, SQL, MySQL, PostgreSQL, MongoDB, Bitbucket, GitLab
1w
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Software Systems Engineer V
Pasadena, California, United States
$201k-$255k/yr OnsiteFull Time
12+ YOEBachelor’s degree in CS/IT with extensive enterprise software support; TS/SCI clearance with CI poly; IAT II/III or IAM II/III certs; 12+ years experience or 10+ with MS; active clearance.
Ansible, Ansible AWX, VMware, Jenkins, Gitlab, Artifactory, Jira, Confluence, Teamcenter, Thermal Desktop, LDAP, Active Directory, Kerberos, SSO, RSA MFA, Python, PowerShell, BASH, TrueNAS, NetApp, VergeIO, Docker, Kubernetes, Nomad, Podman, Red Hat Enterprise Linux, AWS GovCloud, USG Classified Cloud
1mo
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Senior Backend Software Engineer, Rodeo
San Francisco or Los Angeles or Oregon or California or Washington
$145k-$190k/yr HybridFull Time
7+ YOE7+ years backend systems, Python, cloud (AWS/GCP), microservices, video processing tools, and ML model integration.
Python, AWS, GCP, Docker, Kubernetes, FFmpeg, SageMaker, Triton, TorchServe
1w
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Software Engineering Internship
Torrance, California, United States
OnsiteFull Time, Internship
Internship requiring strong programming fundamentals, Python or TypeScript, APIs, cloud, and collaboration.
Python, TypeScript, APIs, AWS, React, SQL
2mo
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Senior Software Engineer (Full-Stack)
Los Angeles, California, United States
HybridFull Time
5+ YOE5+ years of progressive software engineering experience; strong backend and frontend expertise; cloud and database proficiency; mentoring capabilities.
Python, Go, Node.js, React, Vue, Angular, PostgreSQL, MySQL, MongoDB, AWS, GCP, Azure, Docker, Kubernetes
3w
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Lead Sr Staff Software Engineer - Front End Fundamentals
Bellevue or Boulder or Chicago or Denver or Irvine or Los Angeles or New York or San Francisco or San Jose or Seattle or Ventura
$166k-$305k/yr HybridFull Time
13+ YOE1+ MgmtSenior frontend leadership role requiring 13+ years of software development, 1+ year of people management, strong TypeScript/JavaScript or other languages, cloud and distributed systems experience, and mentoring.
TypeScript, JavaScript, C#, Java, C, C++, Python, SQL, Scala
2w
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Senior Software Engineer, DevOps and Infrastructure
Santa Monica, California, United States
$170k-$200k/yr OnsiteFull Time
7+ YOE7+ years in DevOps/infrastructure/SRE with AWS, Terraform, CI/CD security; Kubernetes; HIPAA knowledge; Bachelor's degree.
AWS, Terraform, Django, Python, Node, Typescript, GraphQL, PostgreSQL, Datadog, Git
1w
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DevOps Engineer – Flight Software
Atlanta or Los Angeles
$177k-$205k/yr OnsiteFull Time
CI/CD expertise, Docker, AWS, Terraform, Python/Bash scripting, Linux, and experience with SIL/HIL testing.
GitLab, Docker, Amazon Web Services, Terraform, Python, Bash, PyTest, GoogleTest, Linux
1mo
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Software Engineer in Test (SET)
Chatsworth, California, United States
$140k-$165k/yr OnsiteFull Time
Bachelor’s degree in Engineering or Computer Science; experience in test automation, CI/CD, and production release processes; strong problem-solving and communication skills.
TypeScript, React, Next.js, Python, Azure GCC High
2mo
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Principal Software Engineer
Los Angeles, California, United States
$220k-$320k/yr HybridFull Time
10+ YOE10+ years software engineering; architecture leadership; cloud-native; Python, Rust or Go; DevOps; strong communication; 30% coding, 70% leadership.
Python, Rust, Go, CI/CD, infrastructure-as-code
1w
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Full Stack Software Engineer – UI/UX & Web Engineering (Azure)
New York or Washington or Denver or Seattle or Los Angeles or Chicago or Austin or Dallas
OnsiteFull Time
12+ YOEBachelor's degree; 12+ years full-stack experience; strong React/Vue; REST APIs; Python/Node/.NET; Azure services; DevOps; Git; Agile.
React, Vue, Python, Node.js, .NET, REST APIs, Azure, Azure App Services, Azure Functions, Cosmos DB, Azure Storage, CI/CD, Git
2w
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Principal Software Engineer
Tampa or Thousand Oaks
$157k-$212k/yr HybridFull Time
Senior software engineer role requiring advanced cloud, full-stack development, AI/ML concepts, and team leadership.
Python, JavaScript, SQL, NoSQL, AWS, Langchain, llamaIndex, DevOps, MLOps, API integration
1mo
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Staff Backend Engineer
Mountain View or New York City or Los Angeles or San Francisco
$200k-$250k/yr OnsiteFull Time
8+ YOE8+ years’ software development experience; strong Python/Go backend skills; experience with containers and cloud; excellent communication; ability to ship quickly.
Python, Go, FastAPI, Flask, Docker, Kubernetes
4d
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Director of Software Engineering
Hawthorne, California, United States
$170k-$220k/yr OnsiteFull Time
10+ YOE2+ MgmtTen or more years in software development with leadership experience; strong embedded software, architecture, and Agile skills.
Jira, Confluence, C, C++, Java, Linux, MATLAB, Python, Bash, Microsoft Office
2mo
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Software Engineer, Data
Los Angeles or Palo Alto or San Francisco
$180k-$220k/yr HybridFull Time
3+ YOE3-5+ years backend data processing; Python and SQL; Kafka, Spark; Snowflake/Databricks; AWS/GCP; CS/Engineering degree.
Python, SQL, Kafka, Spark, Snowflake, Databricks, AWS, GCP
1d
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Senior Gen AI Developer
El Segundo, California, United States
$182k-$228k/yr RemoteFull Time
15+ YOE15+ years software development; experience with generative AI/LLMs; strong Python; AI/ML pipelines; SDLC/DevOps; cloud; security clearance preferred/required.
Python, LangChain, LlamaIndex, Semantic Kernel, Azure, Kubernetes, CI/CD
1mo
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Senior AI Engineer
South San Francisco or Princeton or Thousand Oaks or Bellevue or New York
HybridFull Time
AI Engineer with software development and LLM solution experience; strong Python, LLM patterns/tools, cloud platforms (AWS, Databricks, Azure), and DevOps; design and deliver scalable software; cross-functional collaboration.
Python, Javascript, FastAPI, Django, AWS, Databricks, Azure, Terraform, CloudFormation, React, Next.js, Tailwind CSS, LangChain, DSPy, Docker, Kubernetes, Redis, Unity Catalog, OpenAI API, Anthropic, AWS Bedrock, RAG, Vector DB, PEFT, LoRA
1mo
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Application Developer
Pasadena, California, United States
HybridFull Time
2+ YOEBachelor’s degree or equivalent; 2+ years Python development; Linux/Unix; SQL; good communication; U.S. person for ITAR.
Python, Linux, SQL, AWS, Apache Kafka, C
1mo
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Senior Software Engineer, Data Platform
Denver or San Francisco or New York or Los Angeles or Seattle or Toronto
$163k-$247k/yr HybridFull Time
7+ YOE7+ years software engineering; cloud/AWS experience (Redshift, MSK, EMR); OLAP (Clickhouse); data pipelines (Airflow, Python); streaming (Kafka/Kinesis); strong requirements translation; production data stack ownership.
AWS, Redshift, MSK, EMR, Clickhouse, Airflow, Python, Kafka, Kinesis
1mo
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SME - Software Engineering (DC)
Los Angeles or Washington
$200k-$310k/yr HybridFull Time
12+ YOE12+ years in software development; 10+ years in leadership; BS CS/SE or MS degree; proficient in Python/Java/C++; Agile/DevSecOps/SRE/CI/CD; TS/SCI clearance with CI polygraph.
Python, Java, C++, Agile, DevSecOps, Site Reliability Engineering, CI/CD
3w
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Phantom Works Software Lead
Berkeley or Arlington or Mesa or El Segundo or Colorado Springs
$184k-$286k/yr OnsiteFull Time
5+ YOE5+ MgmtBachelor’s degree; 5+ years in leading software/architecture; Agile lead; DevSecOps and CI/CD experience; scripting (Python/Bash).
Git, Jenkins, CI/CD, Config Management, Python, Bash, JIRA, Collaborator, Beyond Compare, VersionOne
HiringCafe market data
Python Software Developer Jobs market signals in Castaic, CA, US
These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.
Open jobs
590+
Hiring companies
180+
Fresh sample
44% new in 30d
Salary visibility
85% show pay
Companies appearing in this market
SnapAppleGalaxia TechnologiesHermeusMachina LabsRTXSilvus TechnologiesBlue Origin
Work location mix in visible results
Onsite: 50Hybrid: 22Remote: 6