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Python Developer Jobs in Pasadena, CA, US
1,700+ python developer jobs from 450+ companies hiring in Pasadena, CA, US.
1mo
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Epic Clarity Analyst/ SQL Developer - Remote
Los Angeles, California, United States
$96k-$140k/yr RemoteFull Time
3+ YOE3+ years SQL with various query tools; Epic Clarity, Tapestry, Reporting Workbench, Radar; healthcare data; Bachelor in CS/IT; Epic and SQL Server certs preferred.
SQL, Python, R, Oracle, SAS, Crystal Reports, Business Objects, Microsoft SQL, Tableau
1mo
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Principal R&D Design Engineer
Irvine, California, United States
$118k-$167k/yr OnsiteFull Time
6+ YOEBachelor/Master/PhD in engineering with relevant experience; FE modeling and software; CAD; nonlinear mechanics and fatigue.
SolidWorks, Creo, ABAQUS, LS-DYNA, Python, MATLAB, FE modeling
1w
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Field Service Engineer II - West
San Francisco or Los Angeles or United States
$90k-$100k/yr RemoteFull Time
3+ YOE2-4 years in a customer-facing technical service role; bachelor’s degree in life sciences or engineering; remote field service with substantial travel.
Python, Git, GitHub, Salesforce, CRM, Google Workspace, Liquid-handling automation systems
3w
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Senior Quality Engineer (Valencia, CA, US, 91355)
Valencia, California, United States
$115k-$145k/yr OnsiteFull Time
5+ YOEBachelor's degree in engineering; 5-10+ years in quality/manufacturing engineering; strong AS9100/ISO 9001 knowledge; PPAP/FAI/MRB experience; root cause analysis; statistical tools; strong communication.
Minitab, JMP, Python, SPC, MSA
2mo
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Sr Embedded Software Test Engineer I
Orange County, California, United States
$115k-$149k/yr HybridFull Time
5+ YOE5+ years software QA; 3-4 years testing desktop/embedded systems; QA in regulated environments; experience with electronic test equipment; strong QA processes; problem solving; able to work independently or in teams.
Linux, Python, C/C++, C#, .NET, MySQL, Test-Driven Development, JUnit
1mo
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Associate AI/Machine Learning Engineer
Long Beach, California, United States
OnsiteFull Time
0+ YOE0–2 years of experience; foundation in SQL and programming; basic ML knowledge; willingness to learn.
SQL, Python, PHP, MySQL HeatWave, HeatWave ML
3w
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Manager Procurement Principal Cost Engineer
West Chester or Cincinnati or Raritan or Irvine
$102k-$177k/yr HybridFull Time
10+ YOE10+ years in electronics cost engineering with EMS experience; bachelor's degree required; strong cost modeling and negotiation skills.
Microsoft Excel, PLM, ERP, BOM management, EDA tools, SQL, Python, Tableau, Power BI
1w
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Senior Cybersecurity & Network Security Engineer
Laguna Hills, California, United States
$115k-$135k/yr OnsiteFull Time
5+ YOELead security strategies; 5–10+ years in cybersecurity; healthcare regulatory experience (HIPAA/PHI preferred).
Google Workspace Admin, Bitdefender, NinjaOne, AWS, Azure, GCP, Python, PowerShell, SAST, DAST, EDR, XDR, SIEM
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
2mo
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Marine Structural Engineer - Long Beach (Long Beach, CA, US)
Long Beach, California, United States
$130k-$149k/yr OnsiteFull Time
8+ YOE8+ years in detailed design of port/marine structures; PE license or able to obtain; strong communication; travel willingness; proficiency in MS Office and structural software.
SAP2000, AutoCAD, Staad Pro, OPTIMOOR, MATLAB, Python, Abaqus
2mo
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Distribution Automation Engineer 3 (Santa Ana, CA, US, 92705)
Santa Ana, California, United States
HybridFull Time
5+ YOEBachelor's degree in engineering or related field; 5+ years engineering experience in operations/production; valid driver's license.
VBA, SQL, Python, DMS/SCADA, EMS, CYME, Power Apps, Excel
3d
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Graduate Mechanical Engineer in Los Angeles, California, United States
Los Angeles or San Francisco
HybridFull Time
0+ YOERecent graduate with degree in mechanical engineering; internship or project experience; strong communication; leadership and teamwork; eligible to work in the US; interest in sustainable built environment.
Revit MEP, Energy modeling, CFD, Dynamo, Python, Grasshopper
3d
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Graduate Mechanical Engineer in Los Angeles, California, United States
Los Angeles or San Francisco
HybridFull Time
Bachelor’s degree in Mechanical Engineering or related field; strong interest in built environment and sustainability; internship or project experience preferred.
Revit MEP, CFD, Dynamo, Python, Grasshopper
2w
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Principal Mechanical Engineer (Thermal Analyst) (Cypress, CA, US, 90630)
Cypress, California, United States
$113k-$176k/yr OnsiteFull Time
10+ YOEBachelor's in Mechanical or Aerospace Engineering; 10+ years thermal analysis experience; 5+ years spacecraft thermal analysis tools; TVAC testing experience; strong communication; security clearance.
Thermal Desktop, SINDA/FLUINT, SINDA/G, TSS, Thermal Vacuum Chamber, Creo, Ansys Workbench, Fortran, MATLAB, Python, VBA
2mo
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Senior Airport Operations Planner/Analyst/Engineer
Los Angeles, California, United States
$165k-$186k/yr OnsiteFull Time
7+ YOE5-12 years in airport planning, operations, simulation, and data analysis; proficiency with CAST, Simio, data/software tools; degree in a related technical field.
CAST, Simio, Python, R, SAS, Excel, PowerBI, Tableau, GIS, AutoCAD, Revit, BIM
3mo
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IT AI/Machine Learning Engineer - Onsite - Irvine, CA
Irvine, California, United States
$82k-$107k/yr OnsiteFull Time
3+ YOEBachelor's or master's in CS/AI or related field; 2+ years AI as business solution; 3+ years IT; life science/pharma experience preferred; strong AI/ML, cloud ops, programming.
Python, Perl, Bash, Java, C++, C#, PowerShell, Git, GitHub
1w
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Director, Financial Systems Engineering (Product & Platform)
El Segundo, California, United States
$190k-$250k/yr OnsiteFull Time
9+ YOELead Python backend/frontend, distributed systems, Azure cloud, and data-driven financial platforms; 9+ years software development; AI-assisted tooling experience; strong communication and leadership skills.
Python, MySQL, PostgreSQL, MS SQL, Snowflake, MongoDB, Azure, Azure Functions, Azure SQL Database, Azure Kubernetes Service, Vue.js, Docker, Kubernetes, GitHub Copilot, Cursor, Sourcegraph Cody, CI/CD
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
1mo
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AI Solutions Architect
Calabasas, California, United States
$75k-$85k/yr OnsiteFull Time
2+ YOE2–3+ years in AI engineering or software development; Bachelor's in CS or related field; strong AI/LLM experience; Python, React, Node.js, Express.js; RESTful API design; AWS and DevOps; end-to-end solution thinking.
Python, React, Node.js, Express.js, SQL, PostgreSQL, AWS, CI/CD
1mo
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Postdoctoral Fellow - Radiation Oncology
Duarte, California, United States
OnsiteFull Time
0+ YOEPhD in biomedical or electrical engineering; strong MRI pulse sequence development; coding in C++, MATLAB, or Python; independent yet collaborative researcher.
MRI, C++, MATLAB, Python
3mo
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Data & Automation - Associate Development Program
Cerritos, California, United States
HybridFull Time
0+ YOEGraduates (May/June 2026) or soon-to-be grads; 40 hrs/week; Python familiarity; Pandas/NumPy or RESTful APIs; problem solving; agile environment.
Python, Pandas, NumPy, RESTful APIs
1mo
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Data Scientist for Analytics (Engineer/Scientist Support)
Norco, California, United States
$70k-$143k/yr OnsiteFull Time
Bachelor’s degree; U.S. citizen; DoD SECRET clearance; on-site in Norco, CA; willingness to travel occasionally; proficient in MATLAB or Python; strong analytical and communication skills.
MATLAB, Python
3w
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MU-Data Engineers II
Costa Mesa, California, United States
$129k-$130k/yr RemoteFull Time
2+ YOEBachelor's degree in computer science or related field and 2+ years data engineering experience with SQL and Python; experience with ETL, data pipelines, and AWS; knowledge of data warehousing and analytics tools.
SQL, Python, AWS (Lambda, S3, Glue, Redshift), Snowflake, Terraform, Bitbucket, Airflow, Jenkins, Tableau, Tealium, GA360, Braze
1w
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AI/ML Applied Data Scientist - Generative AI (Newport Beach, CA, US, 92660)
Newport Beach, California, United States
$90k-$199k/yr HybridFull Time
3+ YOE3+ years in data science; at least 1 year with LLMs and agents in production; strong Python and ML tooling.
Python, PyTorch, LangGraph, Langfuse, MLFlow, Weights & Biases, PEFT (LoRA, QLoRA), vLLM, TensorRT-LLM
1mo
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Intern, Backend Development
Burbank, California, United States
$30-$35/hr OnsiteFull Time
Graduate student in Computer Science or Software Engineering; strong .NET/C# skills; solid relational database knowledge; understanding of system design; able to work independently; experience with GenAI in software development.
.NET, C#, PostgreSQL, Python, Robot Framework, Docker, GitHub Copilot, Claude, ChatGPT
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
3w
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R&D Associate - Consumable Development
Irvine, California, United States
$62k-$65k/yr OnsiteFull Time
DOE experience; SolidWorks CAD; wet-lab hands-on; data analysis (Python/JMP); cross-functional collaboration.
SolidWorks, CAD, Python, JMP, 3D printing, CNC machining
1w
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Game Research & Development Intern, Engine Research
Los Angeles, California, United States
$28-$60/hr OnsiteFull Time
Strong coding skills in C++, Python, TensorFlow/Torch; knowledge of calculus, linear algebra; good communication and responsibility.
C++, Python, TensorFlow, PyTorch
3w
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AI Creative Technologist
Los Angeles, California, United States
$160k-$180k/yr OnsiteFull Time
Portfolio required; AI-native work; strong experience with AI tools (ComfyUI), Python; production and pipeline expertise; ability to travel up to 25%; excellent communication.
ComfyUI, Python, After Effects, Premiere, Houdini, Nuke, DaVinci Resolve, Maya, Blender, Unreal Engine, Unity
3w
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Sr. Professional, Software Engineering
Irvine or Dallas
$130k-$160k/yr RemoteFull Time
8+ YOE8+ years software engineering; strong Snowflake, Databricks, Python, SQL; cloud platforms; large-scale production systems; mentoring; AI/ML data capabilities.
Snowflake, Databricks, Apache Spark, Python, SQL, Cloud Platforms, Airflow, Dagster, Terraform, Tableau, Looker, Kafka, Pub/Sub
4d
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Simulation Platform Partner Product Owner, Architect
Lake Forest or Houston or Philadelphia
$142k-$271k/yr HybridFull Time
7+ YOE7+ years in process industry; MS in Chemical Engineering; domain expert in chemical process simulation; experience with AVEVA Process Simulation or similar; Python coding ability; agile experience.
Python, C#, C++
3w
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Data Scientist II
Irvine or Remote
$83k-$127k/yr HybridFull Time
2+ YOE2–5+ years of data science experience; Bachelor's in CS/DS/Engineering/Math; production ML deployment; cloud platforms (Azure/AWS); Python and SQL; strong communication.
Python, SQL, Azure Machine Learning, AWS, SageMaker, LLMs, NLP
3w
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Research Programmer I
Los Angeles, California, United States
$46-$51/hr RemoteFull Time
3+ YOEMS in CS/Statistics/Mathematics; strong TypeScript/JavaScript and Python; 5 years React; 3 years Django/Flask/FastAPI; experience with MySQL/PostgreSQL; Git/GitHub; ability to work independently.
Python, TypeScript, JavaScript, React, Django, Flask, FastAPI, MySQL, PostgreSQL, Git, GitHub, Highcharts
3mo
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SDET Programmer
Santa Monica, California, United States
$111k-$138k/yr HybridFull Time
3+ YOESDET role requiring CI experience, Python and C++, Perforce, 3+ years in game industry, shipped AAA title, BS in CS/Math or equivalent, hybrid work in Santa Monica, CA.
Continuous Integration, Python, C++, Perforce, Ansible, Databases, Frontend Web Development, HTML, JavaScript
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
2mo
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Agentic AI Architect
Irvine, California, United States
$159k-$270k/yr OnsiteFull Time
10+ YOE10+ years software engineering and AI/ML systems; 5-7 years in architecting distributed AI systems; deep agentic AI, LLMs; Python and ML libraries; software architecture; MLOps/LLMOps; data engineering and cloud platforms.
Python, TensorFlow, PyTorch, scikit-learn, Hugging Face Transformers, LangChain, AutoGen, CrewAI, LlamaIndex, Google Vertex AI, Microsoft Semantic Kernel, APIs, microservices, MLOps, LLMOps, data pipelines, vector databases, knowledge graphs, cloud platforms
3w
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Product Development Scientist
Irvine, California, United States
$77k-$120k/yr OnsiteFull Time
3+ YOEMaster’s with 3+ years or PhD with 1+ year; expertise in NGS, PCR-based assays; molecular biology (PCR/MSP), DNA extraction; FDA QSR/ISO knowledge; data analysis with R/Python; strong communication.
NGS, PCR, MSP, DNA extraction, R, Python
1w
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Research Technician
Claremont, California, United States
$20-$22/hr OnsiteFull Time
Bachelor’s degree in physics or related field; strong communication; Python/LaTeX; advise undergraduates; Workday experience a plus.
Python, LaTeX, Microsoft Office, Scientific computing software
3w
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Post-Baccalaureate Research Assistant, Rosenberg HuMan Lab
Claremont, California, United States
$20/hr OnsitePart Time
BA in neuroscience or psychology; proficiency with Python or R; part-time, 5-15 hours/week; temporary, non-benefits-eligible; California resident.
Python, R, Excel
1mo
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Research Scientist
Costa Mesa, California, United States
$125k-$150k/yr HybridFull Time
5+ YOEPhD in neuroscience or related quantitative field; experience with neuroimaging research and machine learning; proficient in Python/MATLAB/R; familiarity with SPM, FSL, AFNI or Nilearn.
Python, MATLAB, R, SPM, FSL, AFNI, Nilearn
HiringCafe market data
Python Developer Jobs market signals in Pasadena, 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
1,700+
Hiring companies
450+
Fresh sample
55% new in 30d
Salary visibility
85% show pay
Companies appearing in this market
City of HopeGalaxia TechnologiesUniversity of Southern CaliforniaCanon U.S.A.ArupCACICedars-SinaiCotality
Work location mix in visible results
Onsite: 36Hybrid: 21Remote: 5
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