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59 principle developer jobs at 41 companies in Monterey Park, CA

1w
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Java Developer
Los Angeles, California, United States
OnsiteFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
Strong Java development experience, software engineering principles, computer science fundamentals, technical solution design, communication, collaboration, and problem-solving skills.
Java, Kubernetes
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1mo
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Principal Engineer Circuit Design /Senior Principle Engineer Circuit Design
Manhattan Beach or Redondo Beach
$114k-$171k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEBachelor's degree in STEM with 5+ years (or advanced degree with fewer years), experience designing and testing analog and power circuits, proficiency with PSpice/Simplis/Simetrix/LTSpice and MathCAD, knowledge of control systems, and ability to obtain Top Secret/SCI clearance.
PSpice, Simplis, Simetrix, LTSpice, MathCAD, Earned Value Management Systems
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1mo
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Principal Engineer Circuit Design /Senior Principle Engineer Circuit Design
Manhattan Beach or Redondo Beach
$114k-$171k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
5+ YOEBachelor's in STEM plus 5+ yrs (Principal) or 8+ yrs (Senior) engineering experience; analog/power circuit design; PSpice/Simplis/Simetrix/LTSpice and MathCAD proficiency; control systems knowledge; ability to obtain Top Secret/SSBI/SCI clearance.
PSpice, Simplis, Simetrix, LTSpice, MathCAD, Earned Value Management Systems
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2d
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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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1w
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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 firm providing banking and investment solutions.
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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3w
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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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3w
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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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1mo
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Manufacturing Engineer (CA, Fullerton)
Fullerton, California, United States
OnsiteFull Time
Hydraflow
Hydraflow: Designs and manufactures fluid transfer components for the aerospace industry.
Develop and improve manufacturing processes, apply lean and 5S principles, ensure GMP and regulatory compliance, analyze workflow and costs, design testing methods, and produce process reports.
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2mo
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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
Snail GamesNasdaq: SNAL: Develops and publishes interactive video game entertainment.
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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1mo
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Sr Engineer
Thousand Oaks, California, United States
$115k-$156k/yr OnsiteFull Time
Amgen
AmgenNASDAQ: AMGN: Develops and manufactures biotechnology medicines for serious diseases.
Provide technical leadership for parenteral drug product process design, characterization, tech transfer and pilot-plant operations; apply scientific and engineering principles; support GMP manufacturing and cross-functional teams.
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3w
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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: Develops advanced radar and sensing systems for modern defense.
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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3w
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Model & Applications Developer
Lake Forest or Houston
$87k-$154k/yr HybridFull Time
AVEVA
AVEVA: Industrial software for engineering and operational performance management.
Degree in chemical engineering (or equivalent), ability to derive first-principles equations, strong transport/thermodynamics knowledge, familiarity with equation-oriented solving, and programming experience in Python/C++/C#.
AVEVA, Aspen, Python, C++, C#, Git
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4w
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Train Engineer
Buena Park, California, United States
$20/hr OnsitePart Time
Six Flags Entertainment Corporation
Six Flags Entertainment CorporationNYSE: FUN: Operates theme parks and water parks in North America.
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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1d
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Product Development Engineer I
El Segundo, California, United States
$75k-$87k/yr OnsiteFull Time
Mattel
MattelNASDAQ: MAT: Designs, manufactures, and markets toys and family entertainment franchises.
Bachelor's degree in mechanical engineering or equivalent experience; knowledge of engineering principles, plastics manufacturing, assembly, raw materials, statistics, and CAD software such as SolidWorks or Creo.
CAD, SolidWorks, Creo
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5d
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Dynamics Engineer I
Santa Clarita, California, United States
$86k-$96k/yr OnsiteFull Time
Element U.S. Space & Defense
Element U.S. Space & Defense: Testing and evaluation services for space and defense industries.
0+ YOEBachelor's degree in engineering; 0–3 years of experience; engineering principles, dynamics, testing, troubleshooting, data interpretation, mathematics, and standard testing equipment knowledge.
SLS
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1mo
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Manufacturing Engineer
Torrance, California, United States
OnsiteFull Time
Helicon
Helicon: Building autonomous factories to mass produce composite fiber parts.
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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1mo
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Application Engineer
Santa Ana, California, United States
$75k-$85k/yr OnsiteFull Time
HEICO
HEICONYSE: HEI: Manufactures specialty electronic components and niche aircraft parts.
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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2mo
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Mechanical Engineer, Production
Costa Mesa, California, United States
$129k-$171k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
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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3w
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Sr Quality Engineer (Aerospace)
Torrance, California, United States
$95k-$117k/yr OnsiteFull Time
Howmet Aerospace
Howmet AerospaceNYSE: HWM: Manufactures high-performance metal components for aerospace and transportation.
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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