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57 principle developer jobs at 37 companies in Buena Park, CA

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LoopNet - Software Engineer II
Orange County, California, United States
$118k-$154k/yr HybridFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Provides global real estate information, analytics, and online marketplaces.
4+ YOEBachelor's degree and 4+ years of C#/.NET production experience required. Experience with APIs, backend systems, testing, architecture, mentoring, and software design principles.
C#, .NET, .NET Core, AWS, Claude Code, GitHub Copilot, Vue.js, React, TypeScript, Microsoft SQL, MySQL, Amazon S3, Amazon SQS, DynamoDB, Amazon ElastiCache, Apache Kafka, Datadog, microservices, Docker, Kubernetes, CI/CD, DevOps, Infrastructure as Code, Git, BigQuery, Databricks, Snowflake, Python
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3w
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Site Reliability Engineer III
Irvine, California, United States
$133k-$185k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services and investment banking firm.
3+ YOE3+ years applied SRE experience, proficiency with SRE principles, one programming language (Python, Java/Spring Boot, .Net), observability, CI/CD, container orchestration, and cloud infrastructure.
Python, Java, Spring Boot, .Net, EKS, EC2, ALB, NLB, Route 53, Terraform, Kubernetes, TLS, mTLS, CloudWatch
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1mo
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Design Engineer, Core Snapchat
Los Angeles or Santa Monica
$209k-$313k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Provides visual messaging software and augmented reality wearable devices.
6+ YOE6+ years post-degree software development experience, iOS development (Objective-C/Swift), rapid functional prototyping, product strategy experience, BS/BA in technical field or equivalent, strong communication and problem-solving.
iOS, Objective-C, Swift, Figma, Sketch, Framer, Origami, Principle, AI
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2mo
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Systems Engineer – Algorithms (ONSITE)
Fullerton, California, United States
$76k-$144k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
2+ YOEProficiency in MATLAB and Simulink; knowledge of software development principles; STEM degree with 2+ years experience; ability to obtain SECRET clearance.
MATLAB, Simulink
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Design Engineer, Core Snapchat
Los Angeles or Santa Monica
$209k-$313k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Develops social media applications and augmented reality technology.
6+ YOE6+ years software development experience, iOS (Objective-C/Swift) expertise, rapid mobile prototyping, product strategy experience, strong communication and problem-solving skills.
iOS, Objective-C, Swift, AI, Figma, Sketch, Framer, Origami, Principle
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Front-End/UI Engineer – Egofold (Junior to Mid-Level)
Culver City, California, United States
$100k-$150k/yr HybridFull Time
Snail Games USA
Snail Games USANASDAQ: SNAL: Independent global video game publisher and developer creating interactive digital entertainment for gamers worldwide.
Proficiency with modern front-end frameworks (React, Vue), JavaScript/TypeScript, frontend architecture, UX principles, and experience with real-time or interactive systems.
React, Vue, JavaScript, TypeScript
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Engineer III - Transit
Los Angeles, California, United States
$96k-$150k/yr OnsiteFull Time
HNTB
HNTB: Infrastructure design and construction management services firm.
4+ YOEEngineering degree with 2–4 years of relevant experience; expertise in engineering design principles, Microsoft Office Suite, MicroStation/OpenRoads or AutoCAD Civil 3D; civil transit design preferred.
Microsoft Office Suite, MicroStation, OpenRoads, AutoCAD Civil 3D
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Staff Radar Systems Development Engineer
El Segundo or Hawthorne or Los Angeles or Washington or San Francisco or Seattle or London
$110k-$240k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Redefining modern defense with a multi-product portfolio.
10+ YOEBachelor's in STEM or equivalent,10+ years radar systems experience,expertise in radar principles,signal processing,DSP,RF systems,algorithm development,data analysis;proficiency with Python/MATLAB;ability to lead tests and mentor engineers.
C++, Python, MATLAB, FPGAs, DSPs
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Associate Process Engineer
Sylmar, California, United States
$99k-$133k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
1+ YOEBachelor's degree in a related STEM field and 1+ year of semiconductor processing experience; knowledge of SPC, statistical analysis, and lean principles is preferred.
Statistical Process Control (SPC), VBA, LabView, C, C+, C++, SQL
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Train Engineer
Buena Park, California, United States
$20/hr OnsitePart Time
Knott's Berry Farm
Knott's Berry FarmNYSE: FUN: California’s original theme park, bursting with attractions and entertainment for all student and youth groups.
2+ YOEMust be 18+, 2+ years mechanical maintenance experience, HS diploma/GED, knowledge of mechanical principles and pneumatic/hydraulic systems, able to work at height and pass background check.
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Project Engineer
Indianapolis or Arizona or Puerto Rico or Los Angeles County
$82k-$100k/yr OnsiteFull Time
RayzeBio
RayzeBio: Clinical-stage radiopharmaceutical therapeutics developing targeted cancer medicines for people with solid tumors.
3+ YOEBachelor's degree in engineering and 3+ years of engineering experience required, preferably in pharmaceuticals. Requires project coordination, technical documentation, engineering principles, and ability to work in a radiation-controlled GMP environment.
Hot Cell, automation, GMP, SOPs, URSs, EHS
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Manufacturing Engineer
Torrance, California, United States
OnsiteFull Time
Helicon Industries
Helicon Industries: American advanced-composite manufacturer building autonomous factories to mass-produce parts for unmanned commercial and defense systems.
Strong engineering fundamentals and first-principles physics, experience with tooling for robotic/industrial applications, sensor and mechanical integration, composites and hydraulic press processes, and customer-facing work. ITAR eligibility required.
Argos
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Application Engineer
Santa Ana, California, United States
$75k-$85k/yr OnsiteFull Time
HEICO Corporation
HEICO CorporationNYSE: HEI: Aerospace and electronic technology manufacturing and repair.
1+ YOEBachelor's in STEM (or equivalent), 1+ year customer service and technical sales experience, ability to interpret electrical schematics, apply engineering principles to sales, strong communication, Microsoft Office and Salesforce proficiency, willingness to travel (~5%).
Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint, Microsoft Project, Salesforce
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3mo
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Mechanical Engineer, Production
Costa Mesa, California, United States
$129k-$171k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology developing AI-powered autonomous military systems.
2+ YOEDesign ownership, BOM/drawings in PLM, CAD proficiency, engineering first principles, 2+ yrs mechanical exp, BS in engineering, US person status, RCA/PCA experience.
NX, Teamcenter, CAD, PLM, BOM
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Sr Quality Engineer (Aerospace)
Torrance, California, United States
$95k-$117k/yr OnsiteFull Time
Howmet Global Fastening Systems Inc.
Howmet Global Fastening Systems Inc.NYSE: HWM: Provides advanced engineered solutions for aerospace and industrial markets.
6+ YOEBachelor's in STEM, minimum 6 years quality experience in production/manufacturing, US work authorization required, experience with root cause analysis and quality engineering principles.
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2w
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Intern/Associate Engineer - All Roles
Hawthorne or Los Angeles
$70k-$90k/yr OnsiteInternship
Starpath Robotics
Starpath Robotics: Space technology developing power and propellant technologies for permanent human civilization on the Moon and Mars.
0+ YOEEngineering, chemistry, materials science, physics, or computer science education; CAD or discipline-specific tools, hands-on fabrication or laboratory skills, engineering first-principles competence, and U.S. Person status required.
CAD, NX, Teamcenter, SolidWorks, Onshape, FEA, CFD, embedded C, PCB
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3mo
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Entry-Level Engineer
Pleasanton or Sacramento or Millbrae or Sherman Oaks or Los Angeles or Irvine or Temecula or San Diego
$74k-$94k/yr OnsiteFull Time
The Whiting-Turner Contracting Company
The Whiting-Turner Contracting Company: National construction management and general contracting firm.
0+ YOEBachelor of Science in an engineering discipline; knowledge of engineering principles; ability to read technical specs and manage costs; proficient in MS Office; construction project experience.
Microsoft Project, Primavera, Suretrak, Microsoft Office Suite, Excel, Word
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Staff Vehicle Engineer
Playa Vista, California, United States
$161k-$221k/yr OnsiteFull Time
Inversion Space
Inversion Space: Privately held aerospace building autonomous reentry vehicles for defense, logistics, and rapid cargo delivery from orbit.
8+ YOEBachelor's in relevant engineering or equivalent experience, typically 8+ years in aerospace vehicle design and integration; proficiency in CAD; strong first-principles background across structures, thermal, avionics, GNC; excellent communication.
CAD
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Field Service Engineer
Phoenix or Denver or Costa Mesa or Dallas or Farmington or United States
$28-$44/hr FieldFull Time
TRUMPF
TRUMPF: Manufactures industrial machine tools and laser technology systems.
Associate degree or technical school education in engineering principles, or equivalent education and work experience; technical equipment experience helpful; clean, valid driver's license required.
CNC
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Computer Vision Engineer
Los Angeles, California, United States
$190k-$230k/yr HybridFull Time
Observable Space
Observable Space: Vertically integrated U.S. space technology building optical systems for satellite communications, sensing, and in-space observation.
10+ YOERequires 10+ years in relevant research, strong mathematics and C++ or C programming, first-principles engineering, complex research management, PyTorch or TensorFlow, and OpenCV. Master's or Ph.D. preferred.
C++, C, PyTorch, TensorFlow, OpenCV, Unet, Vision Transformer
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