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Python Developer Jobs in Simi Valley, CA, US
1,400+ python developer jobs from 320+ companies hiring in Simi Valley, CA, US.
3w
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Software Engineer
Sherman Oaks, California, United States
$115k-$135k/yr OnsiteFull Time
3+ YOE3+ years software engineering; BS or MS in CS/SE or related field; full‑stack with TypeScript/Python/Node.js; React/Angular; REST APIs; AWS; SQL/NoSQL; CI/CD; scalable, reliable systems.
TypeScript, Python, Node.js, React, Angular, REST APIs, AWS, SQL, NoSQL, CI/CD
1w
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Gameplay Engineer
El Segundo, California, United States
$125k-$142k/yr HybridFull Time
4+ YOE4+ years software engineering in online games; 3+ years C++; BS in Computer Science/Engineering; strong C++ and game development knowledge.
C++, Lua, Python
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
6d
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AI Engineer
Woodland Hills or Jersey City or Houston
$122k-$148k/yr HybridFull Time
5+ YOE5+ years in AI/ML, design/build/deploy AI solutions, strong Python, foundation models/RAG, prompts, APIs; AWS/Docker/CI-CD; LangChain/Semantic Kernel; degree in CS/AI; cloud experience.
Python, LangChain, Semantic Kernel, APIs, AWS, Docker, CI/CD, Sagemaker, Bedrock, Guardrails, AgentCore
3w
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Prompt Engineer, AI
Los Angeles, California, United States
RemoteFull Time
5+ YOE5+ years in AI/ML/NLP with focus on LLMs and prompt engineering; strong testing, experimentation, and ethics in AI; Python for automation; experience with LLM APIs and RAG.
Python, OpenAI API, Anthropic API, Azure OpenAI, Vector databases, RAG
3w
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Principal DevSecOps Engineer
Palmdale or Fort Worth
OnsiteFull Time
8+ YOEBachelor's degree in STEM; 8+ years DevSecOps; Python & YAML; on-prem, air-gapped, security-focused pipelines; leadership across teams; able to work onsite 100%.
Python, Yaml, Kubernetes, Make, CMake, Ansible, Terraform, Helm, Docker, Git, Bitbucket, Gitlab, Confluence, JIRA
2w
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Senior AI Engineer
Los Angeles or New York
$170k-$200k/yr OnsiteFull Time
6+ YOE6+ years software engineering; 2+ years in production AI/LLM apps; strong Python; LLM APIs; data pipelines; Airflow; AWS; product-quality focus
Python, SQL, Snowflake, Airflow, AWS, GitHub, Datadog, OpenAI, Anthropic, TypeScript, React, Scala, Java
1d
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DevOps Engineer (Intermediate)
Los Angeles, California, United States
$120k-$130k/yr HybridFull Time
2+ YOE2–4 years in DevOps/SRE/Software Eng; Go or Python; cloud and containers; IaC; CI/CD with GitHub Actions and ArgoCD; AI/LLM curiosity a plus.
Go, Python, Docker, Kubernetes, Terraform, GitHub Actions, ArgoCD, CLI, APIs, HTMX
2d
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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
1w
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Senior AI Engineer
Boston or Los Angeles
$143k-$215k/yr RemoteFull Time
5+ YOE5+ years in production software; 2+ years with LLM-based apps; Python production experience; LangChain/DeepAgent or similar; API integrations; multi-agent systems; strong prompt engineering
Python, LangChain, DeepAgent, LangGraph, CrewAI, AutoGen, API integrations, Celery, RQ, Temporal, Weaviate, Pinecone, pgvector, CLAUDE, Cursor, Copilot, LLM APIs
1mo
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Quality Engineer, Level 4
Los Angeles or Santa Monica
$107k-$161k/yr OnsiteFull Time
2+ YOE2+ years QA experience; strong automation skills in Python, C/C++, Java; Jira/Git proficiency; test planning and documentation.
Python, C/C++, Java, Jira, Git
1w
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Sr. Software Engineer
Los Angeles, California, United States
$120k-$180k/yr OnsiteFull Time
Experience building large-scale SaaS platforms; strong JavaScript (React/Vue/Angular), Python; cloud deployment and DevOps.
JavaScript, Python, React, Vue, Angular, AWS, GCP, Azure, Docker, Kubernetes, PostgreSQL, MongoDB, Redis, FastAPI, Django, Flask, Airflow, Dagster, Kafka, RabbitMQ, Authentication, Authorization
2w
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Senior Software Engineer
Redmond or New York or San Francisco or Los Angeles
$120k-$235k/yr OnsiteFull Time
4+ YOE4+ years engineering experience; proficient in C/C++/C#/Java/Python; Bachelor's in Computer Science or related field.
C, C++, C#, Java, JavaScript, Python, Go, Rust
1mo
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Senior AI Engineer
Atlanta or Boston or Charlotte or Chicago or Dallas or Los Angeles or New York or San Francisco
$145k-$230k/yr HybridFull Time
3+ YOE3–8+ years software engineering experience with AI/ML systems; production LLM apps (RAG, agentic workflows); Python; LangChain/LangGraph/AutoGen/DSPy; strong data engineering basics.
Python, LangChain, LangGraph, AutoGen, DSPy, SQL, NoSQL, Vector databases, ETL
1d
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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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AI Engineer (On-Site, Calabasas Office - Immediate Hire)
Calabasas, California, United States
OnsiteFull Time
2+ YOE2–3 years in AI engineering or software development; strong AI prompting; RESTful API design; Python, React, Node.js, Express.js, Ruby on Rails; SQL databases; AWS/Heroku; AI tools; onsite in Calabasas, CA; Bachelor's in CS.
Python, React, Node.js, Express.js, Ruby on Rails, SQL, MySQL, PostgreSQL, AWS, Heroku, GitHub CI/CD, Claude, Cursor, OpenAI, RESTful API
3w
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Software Engineer Intern
Camarillo, California, United States
$23-$40/hr OnsiteFull Time
Currently enrolled in engineering; strong academics; experience with Java, C#, C/C++, Python; able to obtain U.S. security clearance.
Java, C#, C/C++, Python
3w
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Sr. Software Engineer, Perception
Torrance, California, United States
$132k-$183k/yr OnsiteFull Time
5+ YOESenior software engineer to design, prototype, and productionize perception systems; strong in VIO, object detection, multi-object tracking, sensor fusion; proficient in C++/Python
C++, Python, ROS 2, OpenCV, GStreamer, ROS, GStreamer
6d
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Software Engineer, Compiling, Quantum AI
Mountain View or Los Angeles or Goleta
$147k-$211k/yr OnsiteFull Time
3+ YOEBachelor's degree in CS/Math/Physics or related field; 3 years C++ and Python; experience designing software systems.
C++, Python, Compiler design, Quantum computing
2mo
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Simulation Software Engineer
Los Angeles, California, United States
$100k-$200k/yr OnsiteFull Time
7+ YOE7+ years in building simulators for complex systems; strong C++/Python; modeling distributed/physical processes; validation against data or hardware-in-the-loop.
C++, Python
2mo
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Senior Software Engineer, Fullstack
Playa Vista, California, United States
$160k-$190k/yr RemoteFull Time
Thrive Market: Membership-based online retailer for organic and sustainable products.
5+ YOE5+ years full-stack experience; Python/Java/PHP; React.js, TypeScript, Next.js; REST/RPC APIs; AWS; observability; CI/CD; Agile; strong communication.
React.js, TypeScript, Next.js, PHP, Magento, Python, Java, AWS, Lambda, S3, CloudWatch, New Relic, Datadog, REST, RPC, Kafka
2mo
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Software Engineer Intern
Los Angeles, California, United States
OnsiteFull Time
Pursuing a bachelor’s in CS/Software Engineering; strong CS fundamentals; proficiency in Python, C/C++, or Rust; Git; good communication; junior or senior standing.
Python, C/C++, Rust, Git, AWS, GCP, Azure, Docker, CI/CD, Infrastructure as Code
2mo
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Test Automation Engineer (Propulsion)
Redondo Beach, California, United States
$105k-$160k/yr OnsiteFull Time
2+ YOEBachelor’s in engineering or related field; 2+ years in Python or OO language; experience with hardware control and data acquisition.
Python, Object Oriented Programming, Data Acquisition, Hardware Control, LabVIEW (preferred)
2mo
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Sr Software Engineer (Burbank, CA, US, 91505)
Burbank, California, United States
$124k-$170k/yr OnsiteFull Time
5+ YOE5+ years of software development; BS/MS in CS/engineering or related field preferred or equivalent experience; backend with Java, GraphQL, REST, microservices; cloud (GCP/AWS); Linux, Python, Spring; AI-assisted coding tools experience beneficial.
Java, GraphQL, REST APIs, Microservices, Linux, Python, Spring Framework, Docker, Kubernetes, Cloud platforms (GCP,AWS), AI-assisted coding tools
2mo
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Software Engineer Intern
San Francisco or Los Angeles or New York City
$35-$45/hr HybridInternship
0+ YOEPursuing CS degree, 2+ years of college, Python, SQL, math and stats, AI/ML project experience, 10-week commitment, able to work independently.
Python, SQL, MySQL, PostgreSQL, AI/ML tools
1d
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QA Automation Engineer
Los Angeles, California, United States
$150k-$175k/yr HybridFull Time
6+ YOE6+ years QA automation for enterprise apps; Selenium WebDriver; automation frameworks in Java, C#, or Python; API testing; CI/CD integration; cloud (Azure).
Selenium WebDriver, Java, C#, Python, TestNG, NUnit, JUnit, Azure DevOps, REST APIs, CI/CD, Azure
1mo
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Full Stack Engineer
Chatsworth, California, United States
$130k-$150k/yr HybridFull Time
4+ YOE4+ years software engineering; BS in CS/SE or equivalent; strong TypeScript with Next.js; Python; WebSockets; Docker/Kubernetes; strong communication; fast-paced with hardware integration.
Next.js, TypeScript, Python, WebSocket, Docker, Kubernetes, CI/CD, GitHub Actions
2mo
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Senior Software Engineer
Los Angeles, California, United States
$160k-$190k/yr OnsiteFull Time
6+ YOE6+ years software experience; AI-native workflow; Python backend with ORM and async; TypeScript/React/Next.js frontend; AWS multi-tenant SaaS; GraphQL API design.
Python, Next.js, TypeScript, React, GraphQL, PostgreSQL, AWS, pytest, Jest
1w
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Senior AI/ML Engineer
New York or Santa Monica or Los Angeles or Palo Alto or Chicago or Washington D.C. or Boston or Colorado or Seattle or San Francisco or San Diego or Reston
OnsiteFull Time
5+ YOE5+ years in AI/ML; hands-on with Azure/AWS; Python; LLMs; data integration; LangChain or similar; cloud security and governance.
Python, Azure, AWS, LangChain, LangSmith, Pydantic AI, APIs, Data Ingestion, Data Lakes, Data Warehouses
1w
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Software Engineer (EMB) III
Moorpark, California, United States
$101k-$142k/yr OnsiteFull Time
5+ YOEBS in CS/Engineering or related field; 5-8 years’ embedded software experience; proficient in Python, C/C++, OpenCL; strong IDE and debugging skills; familiar with embedded protocols; willing to travel.
Python, C, C++, OpenCL, Visual Studio, Eclipse, RS-485, RS-232, CAN, I2C, SPI, USB, ROS, Linux
2d
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Lead Engineer for Health-Tech Startup
Culver City, California, United States
$180k-$250k/yr HybridFull Time
Strong hands-on coding in Python, PostgreSQL, AWS; ownership of deployment pipelines; autonomous work; balance of leadership and IC duties.
Python, PostgreSQL, AWS, React, TypeScript, Terraform
2mo
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Forward Deployed Engineer
Venice, California, United States
$120k-$150k/yr OnsiteFull Time
3+ YOE3+ years in technical post-sales or customer-facing role; strong cloud/SaaS/DevSecOps experience; production with LLMs; Python and other languages; strong communication and proactive, collaborative mindset.
Python, Typescript, Java, LLMs
2mo
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Senior blockchain gambling engineer with sports gambling experience
Santa Monica, California, United States
OnsiteFull Time
OleOle: Decentralized social and messaging super app for football fans.
5+ YOE5+ years blockchain development; Solidity, Rust, JavaScript, Python, Go; dApps and smart contracts; crypto payments; security audits; Layer 2; API/backend integration; regulatory knowledge in gambling.
Solidity, Rust, JavaScript, Python, Go, Mythril, Slither, MetaMask, Trust Wallet, Django, Express.js
2w
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Software Engineer, Builder Tools
Los Angeles, California, United States
$165k-$233k/yr OnsiteFull Time
5+ YOE5–8 years software engineering; 2–3 years in CI/CD or tooling; strong Go/Python/TypeScript; Docker/Kubernetes; Git; AI tooling exposure preferred; Bachelor’s in CS or related field.
Go, Python, TypeScript, Docker, Kubernetes, Git
3w
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Staff Fullstack Engineer
San Francisco or Los Angeles or Portland or Seattle
$214k-$235k/yr RemoteFull Time
Senior staff engineer focused on AI/ML-driven backends, with Node.js, Python, React, TypeScript, and cloud experience (AWS/GCP), building scalable APIs, data pipelines, and cross-stack collaboration.
Node.js, Python, React, TypeScript, AWS, GCP, Aurora, RDS, S3
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
4w
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Mid/SR. Full-Stack Engineer
Santa Monica, California, United States
$175k-$200k/yr HybridFull Time
Athlete to Athlete: Matches youth athletes with college mentors for 1-on-1 virtual coaching.
Full-stack engineer with React/Next.js, Python/Django, Postgres; AI-native mindset; startup experience.
React, Next.js, Python, Django, Postgres, Vertex AI, LLM APIs
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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Senior Software Engineer
Burbank, California, United States
HybridFull Time
5+ YOE5+ years of professional software engineering; strong Python with REST APIs; experience with AI/ML frameworks; data modeling, asynchronous programming, microservices; CI/CD; problem solving with AI use cases.
Python, FastAPI, Flask, Django, OpenAI, LangChain, Hugging Face, REST APIs, AWS, GCP, Azure, CI/CD
2mo
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Senior Software Engineer
Torrance, California, United States
$171k-$194k/yr OnsiteFull Time
5+ YOE5+ yrs C/C++; 3+ yrs embedded systems; experience with Python/Java/VHDL/Verilog/Go/Rust; multithreaded design; CS fundamentals; BS CS (MS preferred); on-site in Torrance, CA.
C, C++, Python, VHDL, Verilog, Go, Rust, Embedded Linux, Docker, Helm, Xilinx FPGA, FPGA firmware, DS P, CSP
HiringCafe market data
Python Developer Jobs market signals in Simi Valley, 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
1,400+
Hiring companies
320+
Fresh sample
52% new in 30d
Salary visibility
86% show pay
Companies appearing in this market
Capital GroupDLA PiperGeneral MatterGoogleHadrianHermeusImpulse SpaceKindo
Work location mix in visible results
Onsite: 71Hybrid: 30Remote: 5