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Python Software Developer Jobs in Walnut, CA, US
780+ python software developer jobs from 250+ companies hiring in Walnut, CA, US.
2mo
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Matterport - Lead Software Engineer
Irvine, California, United States
$170k-$222k/yr HybridFull Time
8+ YOE8+ years of SaaS development using Java/Kotlin; microservices with Docker/Kubernetes; relational databases; strong engineering practices.
Docker, Kubernetes, RabbitMQ, Kafka, MySQL, PostgreSQL, Java, Kotlin, Python, Elasticsearch, React, Angular, C#, .NET
1w
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Software Engineer in Test (SET)
Orange or New Braunfels
$95k-$110k/yr HybridFull Time
3+ YOEBachelor’s degree in computer science, engineering, or related field; 3+ years in software testing with test automation; programming in Java, C#, Python, or JavaScript; experience with Playwright, Selenium, or Cypress; strong QA lifecycle and CI/CD knowledge.
Playwright, Selenium, Cypress, Java, C#, Python, JavaScript, .Net, REST, GraphQL, CI/CD
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
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
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
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
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
2w
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Full stack Software Engineer
Irvine, California, United States
$120k-$140k/yr OnsiteFull Time
Proficiency in Go, PostgreSQL, Redis; frontend with React/JS/TS; Python scripting; REST/gRPC; Docker; CI/CD; strong problem-solving.
Go, PostgreSQL, Redis, React, JavaScript, TypeScript, Python, Git, Docker, CI/CD, REST, gRPC
10h
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Senior Flight Software Engineer
Irvine, California, United States
$140k-$190k/yr OnsiteFull Time
4+ YOE4+ years embedded systems programming; C/C++ proficiency; design, build, and test embedded software; mentoring ability.
C/C++, Linux, CCSDS, CAN, Ethernet/IP, SPI, Yocto, Buildroot, cFS, F Prime, Git, GTest, Python
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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Staff Embedded Software Engineer
Brea, California, United States
$129k-$155k/yr HybridFull Time
10+ YOEBachelor's in Computer Engineering or Computer Science; 10+ years embedded experience; Linux embedded systems; C/C++, Python; ARM SoCs; bus interfaces; video stack; DRM; board bring-up and kernel work.
Linux, Yocto, ARM, C, C++, Python, bash, I2C, PCIe, SPI, MDIO, CAN, KMS, Mesa, OpenGL, Weston, Wayland, MPEG-2, MPEG-4, H.264, H.265
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
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
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
3d
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Software Engineer Intern - AI
Santa Ana, California, United States
$19/hr OnsiteInternship
Enrolled in associate or bachelor's program; basic programming skills; 20 hours/week; GPA 3.0+; Winter 2026 graduation or later; strong teamwork and communication
Python, Java, C#
2mo
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Software Automation and Integration Engineer
Rancho Cucamonga, California, United States
$65k-$85k/yr OnsiteFull Time
3+ YOE3+ years in systems integration or automation; API/webhook experience; scripting (Python/JavaScript); familiarity with ERP/CRM/project management platforms.
APIs, Webhooks, Scripting, ERP, CRM, Project management platforms, Zapier, Make, Power Automate, Python, JavaScript
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
2mo
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Forward Deployed Software Engineer Internship
Irvine, California, United States
$250-$625/hr OnsiteMultiple Commitments Available
Part-time internship for a student; strong programming skills across Python/Java/C++/TypeScript; collaboration with technical and non-technical stakeholders; able to work independently and 10-25 hrs per week.
Python, Java, C++, TypeScript/JavaScript, Cloud, Front-end frameworks
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
6d
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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
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
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
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
3mo
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Software Engineering Intern
Rancho Cucamonga, California, United States
$20-$22/hr OnsiteInternship
2+ YOEPursuing a technical BS with 2+ years completed; strong coding skills; git proficiency; knowledge of data structures and OS principles; experience in C/C++/Rust or Python/MATLAB; able to develop executable Python packages and work in a team.
C++, Rust, C, Python, Matlab, Git, Linux
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 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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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
1w
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Software Engineer - AI Engineer II/III
Rancho Santa Margarita, California, United States
$80k-$140k/yr OnsiteFull Time
2+ YOEBachelor’s or Master’s in Computer Science or related field; 2+ years AI/ML experience; strong Python; experience with ML frameworks; knowledge of MCP, LLMs, AI agents; on-site collaboration.
Python, Git, Flask, PyTorch, TensorFlow, LangChain, LangGraph, AutoGen, Docker, Kubernetes, Pinecone, Milvus, ChromaDB, FAISS, OpenAI, HuggingFace
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
1mo
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Software Intern
Irvine, California, United States
$25-$40/hr HybridFull Time, Internship
2+ YOEUndergraduate student (rising senior in Summer 2026) pursuing CS/CE/Math or related field; strong communicator; experience with Python/JavaScript/C#/C++; REST APIs; JSON; cloud basics; excellent interpersonal skills.
Python, JavaScript, C#, C++, REST, JSON, AWS, GCP, Azure, Google Workspace
1mo
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Application Developer
Pasadena, California, United States
HybridFull Time
2+ YOE2+ years Python development; 2+ years Linux/Unix; SQL experience; Bachelor's degree or equivalent; good communication; U.S. person per ITAR.
Python, Linux, SQL, AWS, Apache Kafka, C
HiringCafe market data
Python Software Developer Jobs market signals in Walnut, 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
780+
Hiring companies
250+
Fresh sample
42% new in 30d
Salary visibility
81% show pay
Companies appearing in this market
AppleCaltechGalaxia TechnologiesHermeusMachina LabsSabel SystemsAXON NetworksCanon U.S.A.
Work location mix in visible results
Onsite: 42Hybrid: 23Remote: 4