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Lead Python Developer Jobs in Pasadena, CA, US
140+ lead python developer jobs from 83 companies hiring in Pasadena, CA, US.
2w
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Senior Product Engineer
Culver City, California, United States
$147k-$182k/yr HybridFull Time
5+ YOE5+ years building and shipping software; experience leading cross-functional initiatives; strong collaboration with product, design, and non-technical stakeholders.
AWS, Python, PostgreSQL, React, React Native, TypeScript
1w
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Senior Backend Engineer
San Francisco or Toronto or Los Angeles or Raleigh
$168k-$210k/yr HybridFull Time
5+ YOE5+ years backend or full-stack experience; 1–2+ years in senior/lead roles; Node.js with TypeScript; GraphQL/REST APIs; distributed systems; strong CS fundamentals; ability to own projects end-to-end; AI tooling experience preferred.
Node.js, TypeScript, GraphQL, REST, Docker, Kubernetes, Python
1mo
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Staff Software Engineer
Los Angeles, California, United States
$101k-$204k/yr RemoteFull Time
7+ YOEBachelor's in CS or related; 7+ years software engineering; 3+ years leading multi-team initiatives; strong Java, Spring, SQL; cloud, containers; ability to mentor.
Java, Python, Go, C++, JavaScript, REST, gRPC, Apache Kafka, Apache NiFi, Amazon SQS, MS MQ, Apache Camel, Docker, Kubernetes, AWS, Google Cloud, Azure, DevSecOps, distributed systems, microservices, SQL databases, NoSQL, caching, message queues, data streaming, APIs, cloud platforms
2mo
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Senior Firmware Test Engineer
Culver City, California, United States
$130k-$160k/yr OnsiteFull Time
7+ YOE7+ years in firmware/embedded development with lead experience; strong Python and C/C++, RTOS, hardware-in-the-loop; BS in Electrical/Computer Engineering or related; US work authorization.
Python, C/C++, RTOS, Oscilloscopes, Logic Analyzers, Digital Multimeters, UART, SPI, I2C, TCP/IP, RS-485, Ethernet/IP, TLS/X.509
1mo
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Lead Full Stack Engineer, Insights
Berlin or London or New York or Los Angeles
HybridFull Time
Architect and scale backend systems; proficient in Scala or Go; strong frontend with Next.js/React; Terraform; AI-native tooling; leadership and communication skills; cloud (GCP/AWS) experience preferred.
Scala, Golang, BigQuery, SQL, Next.js, React, Terraform, AWS ECS, Python, Airflow, GCP
1d
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Senior Backend Software Engineer
El Segundo or Chantilly or Colorado Springs
$129k-$194k/yr OnsiteFull Time
8+ YOE8+ years in software/data architecture; strong cloud-native data-intensive software; experience leading teams; security clearance eligibility; onsite in El Segundo, CA with possible relocation.
Java, Python, Go, Kubernetes, Apache Airflow, Apache Spark, Neo4j, AWS Neptune, Palantir Warp Core, CKAD
2mo
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Senior Guidance, Navigation, and Controls Engineer (GNC)
El Segundo, California, United States
$155k-$190k/yr OnsiteFull Time
5+ YOELead end-to-end GNC development, simulate and test hardware-in-the-loop, design autonomous attitude control; strong C++/Python; aerospace systems knowledge.
C++, Python, MATLAB/Simulink, GMAT
1mo
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Space Payload RF Engineer, Lead
Chantilly or Aurora or El Segundo
$99k-$225k/yr OnsiteFull Time
8+ YOE8+ years RF/microwave design; space payload experience; TS/SCI clearance; BS in Electrical Engineering; leadership/mentorship experience.
AWR Microwave Office, HFSS, FEKO, MATLAB, Python, GitHub, CAMEO Enterprise Architecture
1mo
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Advisory Lead, Software-TTS (SPAM)
Chicago or Boston or Dallas or Los Angeles or Minneapolis or New York City or San Francisco or Seattle or Washington D.C.
HybridFull Time
8+ YOE8-10+ years of hands-on software development; experience with complex systems integration, SDLC; Agile/Lean project management; ability to lead executive-facing engagements; strong communication.
C#, Java, Python, SDLC
1mo
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Principal GNC Engineer
Denver or Long Beach
$180k-$260k/yr OnsiteFull Time
15+ YOELead end-to-end GNC design, testing, and operations; develop flight software; perform state estimation, sensor fusion, and navigation analyses; mentor engineers.
C++, Python, GNC flight software, Star trackers, IMUs, GNSS, 6-DOF simulations, SIL/HIL, Monte Carlo, covariance analysis
1w
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Senior Data Engineer
Playa Vista, California, United States
$165k-$190k/yr HybridFull Time
Senior data engineer with hands-on Python, DBT, Airflow; strong SQL/Snowflake; data lake/warehouse experience; able to lead data architecture discussions.
Python, DBT, Airflow, SQL, Snowflake, Terraform, GitHub, Jenkins, Kafka, AWS Kinesis, Spark
1mo
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Senior Engineer III - Billing Systems
Los Angeles or Las Vegas
$140k-$198k/yr RemoteFull Time
12+ YOE12+ years of software development; 5+ years leading cross-functional architectural initiatives in high-compliance (FinTech/Banking/E-commerce); expert Java; maintain/refactor VB6, Python, Node.js; cloud-native architecture; SOX/PCI-DSS awareness.
Java, VB6, Python, Node.js
1mo
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IC Design Engineer
Irvine or San Jose
$108k-$192k/yr OnsiteFull Time
8+ YOEBachelor's or higher with 8+ years in IC design; lead ASIC development; verify, timing, power analysis; project leadership.
Verilog, VHDL, Python, EDA tools
5d
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Sr Principal Engineer Embedded Software- IPT Lead (AHT)
Northridge, California, United States
$142k-$213k/yr OnsiteFull Time
8+ YOEBachelor’s degree in CS or engineering; 8+ years experience (or 6+ with Master); C++ OOP; embedded Linux/VxWorks; Python/Bash; software architecture; version control (Git, GitLab/GitHub/Bitbucket/ ClearCase); Agile/Waterfall; US citizen with Active Secret clearance.
C++, Linux, VxWorks, Python, Bash, Git, GitLab, GitHub, Bitbucket, ClearCase, Jira, Rally
2mo
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Senior Flight Test Engineer
Long Beach, California, United States
$130k-$170k/yr OnsiteFull Time
10+ YOE10+ years in experimental flight test; lead test activities; strong aircraft systems knowledge; MATLAB/Python proficiency.
MATLAB, Python
1d
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Senior Technical Lead, AI & Automation
Glendale, California, United States
$140k-$185k/yr HybridFull Time
7+ YOE7+ years Python development; experience with LLMs and AI frameworks; cloud AI workloads; strong system design; aware of AI safety and ethics.
Python, LLMs, LangChain, LlamaIndex, RAG, Vector databases, GCP, AWS, Azure, Docker, Kubernetes, React, Next.js
1w
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Workplace Research Lead
Chicago or Los Angeles or Arlington or San Francisco or Seattle or Boston or San Jose
OnsiteFull Time
3+ YOEPhD preferred or Master’s in I/O psychology/related field; 3+ years applied research in industry; experience with mixed methods, client-facing work, and AI tools.
Power BI, Python, R
1mo
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Principal Guidance, Navigation, & Control (GNC) Engineer
Los Angeles or United States
$190k-$260k/yr RemoteFull Time
Lead GNC architecture, perform trade studies, verification/validation, and develop GNC software and 6-DOF simulation; mentor engineers.
Python, Julia, C/C++, Matlab
1w
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Principal Mechanical Engineer
Irvine, California, United States
$210k-$239k/yr OnsiteFull Time
Neon Aero: Designs and builds AI-native aerospace hardware and flight systems.
12+ YOE12+ years in developing and shipping complex mechanical systems; strong NX, GD&T, and production drawing release expertise; capable of leading cross-functional technical decisions.
Siemens NX, GD&T, Matlab, Python
1w
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Structural Dynamics Engineer - Level 4
Palmdale, California, United States
OnsiteFull Time
Bachelor's degree in Mechanical, Aerospace, or Aeronautical Engineering; experience with flutter analyses, structural dynamics, and vibroacoustic testing; proficient in MATLAB/Python; ability to lead technical work; active Secret clearance or eligibility.
MATLAB, Python, VBA, C++, ABAQUS, FEMAP, Patran, Hypermesh
2mo
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Manager Range & Performance Systems Engineer
Long Beach, California, United States
$163k-$309k/yr HybridFull Time
7+ YOE2+ MgmtLead range and performance studies; plan workstreams; hire and lead a high-performance team; develop physics-based models for EVs; ensure cross-functional delivery.
Python, Matlab, Simulink, Dymola, Microsoft Office, Confluence, Jira
2mo
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Structural Engineer | Senior Engineer
San Diego or Los Angeles or Orange
$120k-$137k/yr HybridFull Time
5+ YOESenior Structural Engineer with 5-7+ years, CA PE license, seismic design experience, and proficiency in ETABS, RAM, Revit, AutoCAD; capable of leading projects and mentoring staff.
ETABS, RISA, RAM, Revit, MathCAD, SAP2000, AutoCAD, Tekla, Python, Rhino, Grasshopper
4w
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Principal Operational Analysis and Modeling Engineer
Los Angeles, California, United States
$166k-$224k/yr OnsiteFull Time
5+ YOELead and build operational analysis and simulation; DoD/defense domain experience; strong modeling software; Top Secret/SCI clearance preferred; willingness to travel.
Python, AFSIM, DoD modeling software, MATLAB
16h
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Staff Data Engineer (Scala, Spark, & Gen AI)
Los Angeles, California, United States
OnsiteFull Time
8+ YOELead design and development of scalable data pipelines using Scala and Spark; integrate Generative AI; mentor engineers; AWS cloud experience.
Scala, Apache Spark, Python, Airflow, AWS, S3, EMR, Glue, Athena
1w
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Lead Particle Control Scientist
Foothill Ranch, California, United States
$140k-$170k/yr OnsiteFull Time
5+ YOEMinimum 5 years in plasma research with lab experiments, diagnostics, and data analysis; expertise in plasma fueling and wall conditioning; MS in Physics required, PhD preferred.
high voltage power supplies, voltmeter, oscilloscope, ionization gauge, pneumatics, high speed gas valve, cryogenics, Python, Matlab, IDL
1w
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Senior Electrical Engineer
El Segundo, California, United States
$120k-$160k/yr OnsiteFull Time
6+ YOEBachelor's in electrical/computer engineering; 6+ years in electronics; PCB design with Altium; embedded programming; hardware lead experience.
Altium, C++, C, Python, Rust, Embedded debugging tools, SPI, I2C, UART, CAN
1w
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Forward Deployed Engineer, Generative AI (GenMedia), Google Cloud
New York or Addison or Irvine or Washington D.C.
$153k-$222k/yr OnsiteFull Time
6+ YOEBachelor's in Engineering/CS or related field; 6 years in production AI solutions using Python; AI systems on cloud platforms; data pipelines with vector databases and RAG-like architectures; lead technical discovery sessions.
Python, Cloud platforms (GCP), vector databases, RAG-like architectures, MCP servers, LangGraph, CrewAI, ADK, OAuth
1w
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Lead Systems Designer – Player Progression & Reward Systems (Apex Legends)
Los Angeles or Vancouver or Madison
HybridFull Time
10+ YOE10+ years in systems design for live service games; strong collaboration; expertise in progression/reward systems; data-driven decision making; experience with scripting or tooling.
Excel, Google Sheets, Python, Scripting
3w
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Robotics Platform Security Engineer
Irvine, California, United States
$90k-$300k/yr HybridFull Time
Lead architect for robotics platform security; implement secure boot, hardware-backed keys, UNIX/Linux hardening, network isolation, and security tooling.
Linux, UNIX, UEFI, Secure Boot, TPM, AppArmor, Python, C/C++, iptables, TLS, mTLS
1w
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Staff Mechanical Engineer (Mechanisms)
Long Beach, California, United States
$185k-$226k/yr OnsiteFull Time
8+ YOEDesign, analyze, and test mechanisms; lead full design cycle; collaborate across teams.
NX, TeamCenter, Ansys, Femap, Python, MATLAB
1w
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Integration Build Engineer
Long Beach, California, United States
$112k-$196k/yr OnsiteFull Time
4+ YOEBachelor's degree in mechanical, manufacturing, aerospace, or electrical engineering; 4+ years of related engineering experience; hardware integration and testing; leading multi-person teams; test planning experience.
Linux, Python, Test planning tools
1w
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Principal System Engineer (Contract)
Torrance, California, United States
$167k-$197k/yr OnsiteContract
8+ YOE8+ years in systems engineering with lifecycle experience; MBSE and SE tools; programming and version control knowledge; ability to lead across teams.
JAMA, Polarion, DOORS, MBSE, SparxEA, Capella, Python, Git, GitHub
2mo
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Scientific Computing Engineer, Digital Pathology
Aliso Viejo, California, United States
OnsiteFull Time
12+ YOELead infrastructure performance for on-prem HPC and storage; experience with Linux, HPC, networking, and cloud integration.
Linux, High-Performance Computing, Slurm, LSF, Grid Engine, Python, Bash, GPU, Networking, Storage
6d
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Knowledge Engineer / Semantic Expert for AI
Mountain View or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
HybridFull Time
12+ YOELead Knowledge Graph and AI solutions; design ontologies; build end-to-end data pipelines; team leadership; strong RDF/graph DB expertise.
RDF, SPARQL, LPG, SHACL, Neo4J, Stardog, Amazon Neptune, Python, TensorFlow, PyTorch, Airflow, NiFi, LLMs
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
2mo
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Architecture and System Design Engineer
Irvine, California, United States
$124k-$165k/yr OnsiteFull Time
5+ YOELead electronics architecture and system design; advanced degree in EE; experience with power, thermal, EMI/EMC, FPGA, PCB layouts; strong leadership and communication.
C, C++, Python, FPGA, CAD tools
2mo
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Sr. Mechanical Design Engineer, Motor
Tustin, California, United States
$108k-$135k/yr OnsiteFull Time
5+ YOEBS in Mechanical or Electrical Engineering; MS preferred; 5+ years leading validation in automotive/high-power; CAD tools and PLM; electromagnetic simulation; FEA; GD&T; hands-on motor integration/testing.
CAD, CATIA, 3DExperience, PLM, EM analysis software, FEA, MATLAB, Python
1mo
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Senior RF Payload Formulation Systems Engineer - Secret Clearance
Long Beach, California, United States
$120k-$210k/yr OnsiteFull Time
5+ YOELead RF payload formulation; 5+ years in aerospace RF systems; experience with satellite payloads; active Secret clearance with TS/SCI eligibility.
MATLAB, Python, STK, HFSS, CST
2w
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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
2mo
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Principal Information Systems Analyst - Lead EDI Developer (N387)
Los Angeles, California, United States
$48-$69/hr HybridFull Time
4+ YOEBachelor's in CS/Info Systems + 4 years IT experience; or senior IS analyst with required years; CA driver license; Live Scan clearance.
Python, SQL, ANSI X12, HIPAA, Cloud platforms, Git
HiringCafe market data
Lead 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
140+
Hiring companies
83
Fresh sample
56% new in 30d
Salary visibility
83% show pay
Companies appearing in this market
Northrop GrummanThe Aerospace CorporationBooz Allen HamiltonHermeusMotorola SolutionsNeoGenomicsRelativity SpaceVarda Space Industries
Work location mix in visible results
Onsite: 33Hybrid: 15Remote: 4
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