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Python Developer Jobs in Crestline, CA, US
410+ python developer jobs from 140+ companies hiring in Crestline, CA, US.
2mo
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Operations Reliability Engineer
Irvine, California, United States
$79k-$98k/yr OnsiteFull Time
5+ YOE5+ years IT Operations/Reliability Engineering with incident/change/reliability focus; strong monitoring/observability experience; excellent communication; Bachelor's in CS or Information Systems.
Datadog, Grafana, Kubernetes, Terraform, CloudFormation, Python, PowerShell, Bash, AWS, Azure, CI/CD, Infrastructure as Code
2w
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Network Engineer II
Anaheim, California, United States
$107k-$143k/yr OnsiteFull Time
3+ YOE3 years progressive data communications; 2 years enterprise telecom engineering; strong network design, implementation, and operations experience.
Cisco, Avaya, MPLS, DWDM, BGP, EIGRP, OSPF, TCP/IP, Firewalls, IPS, Load Balancer, QoS, IP Multicast, Wireless, RF Planning, Controllers, Automation, Scripting, Python, Ansible
6d
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NOC Engineer II
Brea, California, United States
$77k-$142k/yr RemoteFull Time
2+ YOE2-5 years NOC experience; BS in Computer Science or Information Technology; knowledge of monitoring tools (SolarWinds, PRTG, Splunk, etc.); some scripting; ITIL Foundations; CI/CD experience preferred.
SolarWinds, PRTG, Splunk, App Dynamics, ServiceNow, ExtraHop, CI/CD, Nagios, ScienceLogic, OpsView, BMC Helix, F5, load balancers, firewall, networking equipment, Python, Java, Perl, C, BASH, Shell, ITIL
1mo
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Geotechnical Earthquake Engineer
San Francisco or Oakland or Los Angeles or San Diego or Irvine or Sacramento
$81k-$101k/yr OnsiteFull Time
1+ YOEBachelor’s degree in Civil/Geotechnical Engineering; 1–3 years’ experience; knowledge of geotechnical earthquake engineering; familiarity with seismic hazard analysis; strong communication and teamwork.
DEEPSOIL, RSSeismic, ArcGIS, Slide, SLOPE/W, Python, Matlab
1mo
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Cloud Security Engineer- Bilingual Korean
Irvine, California, United States
$72k-$105k/yr OnsiteFull Time
3+ YOEKorean language proficiency required; 3+ years in a dedicated cloud security role; strong AWS security experience; scripting/automation; networking knowledge; OSS vulnerabilities awareness.
AWS, IAM, Security Hub, GuardDuty, Config, Firewall, WAF, Inspector, CWPP, CSPM, DAC, ChakraMax, Python, Terraform, CloudFormation
1w
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Transmission Line Engineer 2 - Grid
Pasadena, California, United States
$66k-$95k/yr HybridFull Time
2+ YOEBS degree from ABET-accredited program; 2+ years in transmission line engineering; proficiency in PLS-CADD/PLS-POLE; strong communication and MS Office skills.
PLS-CADD, PLS-POLE, AutoCAD, MicroStation, ArcGIS, CDEGS, MATLAB, Python, MS Office
3w
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QA Engineer 3 - FAST Enterprise Distribution - Xumo
Irvine, California, United States
$93k-$124k/yr OnsiteFull Time
3+ YOE3+ years QA in video/streaming, test planning, automation, and cross‑platform testing. Bachelor’s degree preferred.
Python, JavaScript, Bash/Shell, HLS, DASH
1w
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Senior Emissions & OBD Fleet Validation Engineer (Chino, CA, US, 91710)
Chino, California, United States
$98k-$125k/yr HybridFull Time
8+ YOEBachelor's in Mechanical or Electrical Engineering; 8+ years in powertrain calibration, emissions development, OBD calibration/validation; strong data analysis; travel up to 15%.
MATLAB, Python, ETAS INCA, MDA
3w
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Kafka & SIEM Integration Engineer
Camp Pendleton North, California, United States
$125k-$145k/yr OnsiteFull Time
7+ YOEBachelor's/Master's in Electrical/Electronic/Computer Engineering, Computer Science, or Information Systems; 7 years system administration experience; DoD 8570 IAT Level II; DoD 8570 CSSP Infrastructure Support; active DoD SECRET eligibility.
Linux, SQL, KQL, Confluent/Kafka, SSL/TLS, Java, Python, Go, Node.js, JSON Schema, Avro, Schema Registry
1w
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Staff R&D Engineer
Irvine, California, United States
$103k-$171k/yr OnsiteFull Time
4+ YOEBachelor’s in Mechanical or Biomedical Engineering; 4+ years; experience with Class II/III medical devices; SolidWorks expert; injection-molded part design.
SolidWorks, CAD, CAE, 3D printing, Mold design, LabVIEW, Python, CFD
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
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
1mo
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Sr. Engineer, Retail Corporate Systems
Manhattan Beach or Rancho Belago
$130k-$150k/yr OnsiteFull Time
8+ YOESenior IT engineer for retail corporate systems; 8+ yrs IT/retail tech exp; o9 Solutions/OMFC; strong SQL; Agile.
o9 Solutions, Oracle Merchandise Foundation Cloud (OMFC), Oracle Cloud Infrastructure (OCI), SQL, Java, Python, C#, REST, XML, JSON, Git, CI/CD, JIRA, Confluence, Smartsheet, Incorta
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
3w
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Sr. Engineer II - Software Design
Irvine, California, United States
$125k-$140k/yr OnsiteFull Time
7+ YOE7-10 years of experience; Bachelor's degree in Computer Science or related field; secure web apps, AWS, RESTful APIs, databases; big data, AI/ML experience desired.
Java, Python, SQL, Shell, AWS, REST, Hadoop, Spark, Kafka, SAP, Angular, React
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
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
1mo
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Distribution Automation Engineer 3 (Santa Ana, CA, US, 92705)
Santa Ana, California, United States
HybridFull Time
5+ YOEBachelor's in Engineering or technical field; 5+ years in operations/maintenance; valid Class C Driver's License; California residency preferred.
VBA, SQL, Python, ADMS, DMS/DSCADA, EMS, CYME, Power Apps, Microsoft Excel
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
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
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
4w
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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
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
5d
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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++
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
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
5d
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Senior Scientist II/Principal Research Scientist I - Translational Program Science
Irvine, California, United States
$110k-$209k/yr OnsiteFull Time
4+ YOEPhD with 4+ years, or Master’s with 10+ years, or Bachelor’s with 12+ years; ophthalmology experience; programming in Python or R; in vivo preclinical experience; cross-functional collaboration; strong scientific communication.
Python, R, Computational Biology
1w
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Student Research Assistant - Industrial and Manufacturing Engineering #705037701
Pomona, California, United States
$18-$20/hr OnsitePart Time
Pursuing an undergraduate or graduate degree in science or engineering; US citizen or green card holder; Python, ML, optimization, CFD (ANSYS); literature review; strong English communication; reliable; team-oriented; proficient in MS Office and Canvas.
Python, Machine Learning, ANSYS CFD, Microsoft Word, Excel, PowerPoint, Canvas
1w
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Sr. Data Engineers
Irvine, California, United States
$159k-$173k/yr HybridFull Time
3+ YOEData mining, data modeling, NLP, ML; large data sets; real-time pipelines; SQL; scripting; web scraping; APIs; degree in CS/IS with experience.
SQL, Python, R, Spark, Hadoop, NLP, APIs, Web Scraping, Machine Learning, Statistics
3w
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Student Assistant - CA DMV Customer Services Division- Information Technology - Hybrid
Sacramento or Fresno or Riverside
$17-$21/hr HybridPart Time, Temporary
College student; basic web development and data analysis knowledge; HTML/CSS/JavaScript; Python; NLP interest; bilingual in Spanish and English; willing to work in a hybrid schedule.
HTML, CSS, JavaScript, Python, Jupyter, LangChain, Bedrock, Pinecone, FAISS
2mo
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Senior Model Risk Manager
Pasadena, California, United States
$150k-$200k/yr OnsiteFull Time
10+ YOEMaster’s in quantitative field; strong math, statistics; Treasury/ALM knowledge; SQL, R, Python; MS Office; 10+ years in statistics, model development/validation; Treasury models preferred.
SQL, R, Python, MS Office
1mo
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Senior Scientist, Clinical Data
Pasadena or San Diego
$140k-$170k/yr OnsiteAll Commitments Available
3+ YOEPhD in biological/biomedical/medical field; 3+ years in biotech/pharma data analysis; strong clinical data analysis and medical writing; experience with early-stage development; SAS/R/Python experience.
SAS, R, Python, Data Visualization
3w
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Intern, Automation & AI Development
Tustin, California, United States
$20/hr OnsiteInternship
Currently pursuing a degree in biotechnology/biology/biochemistry/chemical engineering/bioengineering or related field; Excel data handling; interest in AI/ML; quick learner of new tools; strong analytical and communication skills; available for 10-week, full-time internship at the Tustin, CA facility.
Excel, Python, Java, C++, AI/ML tools
3w
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Senior Scientist
Riverside or Aguadilla
OnsiteFull Time
10+ YOESenior Scientist with 10+ years experience in C4I, AMOSS, ISR; DoD/DHS environment exposure; travel; Secret clearance.
Python, R, Data visualization tools, Microsoft Office
2mo
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Biometrics and AI Research Scientist
Pasadena, California, United States
$137k-$228k/yr HybridFull Time
2+ YOEMaster’s with 2+ years in electrical engineering, computer science, or related field; PhD also acceptable. Strong coding in C/C++. Experience in biometrics and computer vision; publications preferred. Collaborative, diverse-team experience.
C/C++, Python, PyTorch, TensorFlow, OpenVINO, CUDA
1mo
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10512 - Program Manager, Applications Development & Management
Irvine, California, United States
$119k-$183k/yr OnsiteFull Time
10+ YOE2+ MgmtBachelor's degree or equivalent; 10+ years IT experience across web development, solution architecture, AWS, AI, project management, QA, and Adobe Experience Cloud; strong communication and leadership.
AWS, Adobe Experience Cloud, AEM, Analytics, Target, JavaScript, Python, CI/CD
3w
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Sr. Quantitative Modeler
Irvine, California, United States
HybridFull Time
8+ YOELead design and development of predictive models; provide analytic support; collaborate with auditors and stakeholders.
SAS, Python, R
1mo
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Data Reporting and Analytics Master's Intern
Pasadena, California, United States
$31-$40/hr HybridMultiple Commitments Available
0+ YOEPursuing/holding graduate degree; data analytics internship; strong Office and programming skills; report development and analytics; project management; strong communication.
MS Word, Excel, PowerPoint, SQL, Python
2mo
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Managing Consultant - CEQA
Anaheim or San Diego
$85k-$115k/yr RemoteFull Time
5+ YOELead CEQA/air quality projects; perform modeling (EMFAC/CalEEMod/MOVES/AERMOD); prepare CEQA/NEPA documents; supervise staff; drive business development; travel up to 25%.
EMFAC, CalEEMod, MOVES, AERMOD, CEQA, NEPA, ArcGIS, Python, SQL
HiringCafe market data
Python Developer Jobs market signals in Crestline, 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
410+
Hiring companies
140+
Fresh sample
61% new in 30d
Salary visibility
88% show pay
Companies appearing in this market
City of HopeCal Poly Pomona FoundationCanon U.S.A.CACICotalityEast West BankEdison InternationalKarma Automotive
Work location mix in visible results
Onsite: 35Hybrid: 18Remote: 3