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2,240 junior developer jobs at 903 companies in Simi Valley, CA

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Junior Engineer (Agile Scrum)
Port Hueneme, California, United States
OnsiteFull Time
Engineering Services Network
Engineering Services Network: A defense-focused engineering and solutions provider delivering mission-critical services to military and government customers.
3+ YOEJunior Engineer with 3-5 years in engineering/software; BS in Engineering; experience with Agile Scrum; strong problem-solving and communication skills; capable of coordinating product teams and stakeholders.
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1mo
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Junior Design Engineer, Americas
New York or San Francisco or Austin or Portland or Los Angeles or Seattle or Boston or Chicago or Denver or United States
$98k-$165k/yr RemoteFull Time
Ashby: Provides all-in-one recruiting software for high-growth businesses.
0+ YOEDesign and implement UI/UX and production-quality code; proficiency with TypeScript, React, CSS; familiarity with backend technologies (Node.js, GraphQL, Postgres, Redis); strong visual design and product thinking. Junior applicants: 0–2 years industry experience.
TypeScript, React, GraphQL, Node.js, Postgres, Redis, CSS
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1mo
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Junior Packaging Engineer
Los Angeles, California, United States
HybridFull Time
Kitsch
Kitsch: Sells sustainable hair accessories and personal care products.
1+ YOE1–3 years packaging engineering or packaging operations experience; proficiency with Asana and supplier communication; knowledge of packaging materials and manufacturing processes; strong documentation and organizational skills.
Asana, Slack
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5d
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Junior Mechanical Engineer
Santa Fe Springs, California, United States
OnsiteFull Time
Halma
HalmaLondon Stock Exchange: HLMA: Manufactures life-saving safety, health, and environmental technology products.
1+ YOEBachelor's in Mechanical/Materials/Industrial Engineering,1–3 years manufacturing experience,proficiency with AutoCAD/Autodesk Inventor,knowledge of ASME/ASTM and PED documentation,ability to read drawings and BOMs,strong attention to detail.
AutoCAD, Autodesk Inventor, Epicor, Jira
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2d
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Junior Fluid Engineer
El Segundo, California, United States
$100k-$130k/yr OnsiteFull Time
The Advanced Manufacturing Company of America
The Advanced Manufacturing Company of America: Manufacturer of critical components for aerospace and defense platforms.
0+ YOEBachelor's in mechanical/aerospace, 0-2 years experience, knowledge of fluid dynamics/hydraulics/pneumatics, proficiency in 3D CAD (Creo, SolidWorks, NX), GD&T understanding, strong analytical skills.
Creo, SolidWorks, NX, ANSYS Fluent
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2mo
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Full Stack Software Engineer (Entry-Junior)
Los Angeles, California, United States
OnsiteFull Time
Revel
Revel: Modern software platform for controlling complex hardware systems.
2+ YOE2+ years professional software engineering experience, proficiency with JavaScript/TypeScript and React, basic backend/API/database knowledge, bachelor's degree in CS or equivalent experience, strong problem-solving and collaboration skills.
JavaScript, TypeScript, React
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Senior Developer, Back-End
Los Angeles or Tempe
$143k-$165k/yr HybridFull Time
Fox Corporation
Fox CorporationNasdaq: FOXA: Broadcasts news, sports, and entertainment via television and streaming.
5+ YOE5+ years software development experience; expertise in AWS serverless (Lambda, SQS, RDS, Step Functions), TypeScript; proficiency with CloudWatch/Datadog, CI/CD (GitHub Actions), OpenSearch, and mentoring/junior developer leadership.
AWS Lambda, SQS, RDS, Step Functions, TypeScript, Python, Java, AWS CloudWatch, Datadog, OpenSearch, GitHub Actions, npm, CloudFormation, Terraform, Docker, ECS, EKS
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2mo
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Junior Construction Cost Estimator
Los Angeles, California, United States
$115k-$130k/yr OnsiteFull Time
The Greenridge Group
The Greenridge Group: Provides project and construction management services for public infrastructure.
2+ YOE2+ years of construction estimating experience; knowledge of local costs; change orders and scope development; analyze estimates; strong analytical, communication, and problem-solving skills; bachelor’s in Engineering, Architecture, or Construction Management
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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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1w
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Software Engineer, Product Development (Starshield)
Hawthorne, California, United States
$125k-$175k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
2+ YOEBachelor's in CS/engineering/math or 2+ years software development experience; development experience in C, C++, or Rust; Linux experience; containerization and relational DB experience; ability to obtain Top Secret/SCI clearance.
C, C++, Rust, Linux, Docker, Kubernetes, PostgreSQL, CockroachDB
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2w
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Senior Software Engineer, Frontend
Calabasas, California, United States
$120k-$145k/yr OnsiteFull Time
AmaWaterways
AmaWaterways: Provides luxury river cruise vacations on international waterways.
5+ YOE5+ years building web applications with React and Next.js, strong TypeScript, frontend performance, accessibility, REST/GraphQL integration, Builder.io experience, and ability to mentor junior developers. Bachelor's degree or equivalent experience.
React, Next.js, TypeScript, JavaScript, HTML5, CSS3, Tailwind CSS, CSS Modules, styled components, Emotion, Builder.io, REST, GraphQL, Jest, React Testing Library, Cypress, Playwright, Git, GitHub, Vercel, Netlify, AWS, Azure, Lighthouse, Chrome DevTools, Web Vitals, Microsoft Office
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2mo
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Software Engineer
Los Angeles, California, United States
OnsiteFull Time
ALKEME Insurance
ALKEME Insurance: Insurance brokerage and risk management services provider.
Bachelor's degree in CS/Engineering or equivalent experience; proficiency in Java, Python, C#, or JavaScript; experience with development frameworks/tools; strong problem-solving and communication skills.
Java, Python, C#, JavaScript
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Software Engineer
El Segundo or Los Angeles or San Francisco or Berlin or United States or China
$100k-$130k/yr HybridFull Time
JustFab
JustFab: Membership-based online retailer of fashion footwear and accessories.
2+ YOE2+ years web and Shopify development experience; strong Liquid, React, HTML/CSS/JavaScript, and Shopify API skills; Bachelor’s degree in a related field; fluent English; U.S. work authorization; Mandarin preferred.
Shopify, Liquid, HTML, CSS, JavaScript, React, Shopify APIs, Shopify Plus, Microsoft Teams, Zoom
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Software Engineer III
Santa Monica or United States
$135k-$165k/yr HybridFull Time
ZipRecruiter
ZipRecruiterNYSE: ZIP: Online employment marketplace connecting job seekers and employers.
2+ YOE2+ years backend development experience with strong proficiency in Java and Spring Boot, solid CS fundamentals, experience modernizing distributed systems preferred.
Java, Spring Boot
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2w
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Software Engineer / Principal Software Engineer (AHT)
Manhattan Beach, California, United States
$92k-$138k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEUS citizen with DoD Top Secret clearance; Bachelor's in STEM (or Master's) with relevant experience; proficiency in C#/Java, CI/CD (Bamboo, Jenkins), scripting (YAML, Python, PowerShell), Windows technologies, and automated test development.
Bamboo, Jenkins, C#, Java, Microsoft Windows, YAML, Python, PowerShell, Batch, TypeScript, TestComplete 4, BitBucket, git, CVS, Microsoft .NET Framework, Windows Presentation Foundation (WPF), SQL, Jira, Confluence, Crucible, Fish-eye, Azure, AWS, Docker, Kubernetes, Ansible, Terraform, Chef, Puppet, DOORS, JMPS Framework, gRPC, REST
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2w
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Software Engineer, iOS, Level 4
Los Angeles or Santa Monica or New York City or Bellevue or Seattle or San Francisco or Palo Alto
$133k-$235k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Provides visual messaging software and augmented reality wearable devices.
2+ YOEBachelor's degree or equivalent, 2+ years post-Bachelor software development experience, iOS development experience, strong CS fundamentals, Objective-C/iOS expertise, multithreading and performance optimization skills.
Objective-C, Swift, C/C++, OpenGL, Metal
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1mo
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SENIOR APPLICATION DEVELOPER- FIRE EMERGENCY
Los Angeles County or Los Angeles
$100k-$134k/yr OnsiteFull Time
County of Los Angeles
County of Los Angeles: Provides public services and healthcare to Los Angeles County residents.
1+ YOEBachelor's in CS/IS plus 3 years coding experience OR 4 years coding experience OR 1 year as Application Developer II; valid California Class C driver or ability to use alternative transport.
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5d
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Senior AI Cloud Developer
New York City or Los Angeles or Washington
$110k-$164k/yr HybridFull Time
Protiviti
ProtivitiNew York Stock Exchange: RHI: Global consulting firm providing risk, advisory, and technology services.
2+ YOE2+ years designing and deploying analytics or ML projects,1+ year hands-on generative AI experience,Bachelor's in a relevant field,proficiency in cloud and AI development,security and responsible AI practices.
AWS, Microsoft Azure, Google Cloud, Python, R, SQL, TensorFlow, PyTorch, Scikit-learn, Langchain, Hadoop, Spark
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1w
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Software Engineer II
Los Angeles, California, United States
$172k-$225k/yr HybridFull Time
Sony Interactive Entertainment
Sony Interactive EntertainmentNYSE: SONY: Provides PlayStation gaming hardware, software, and digital network services.
2+ YOEMaster's in CS or equivalent +2 years experience with large-scale ETL using Microsoft SQL Server and Python, Java/JavaScript/Node.js development, Bash automation, Linux administration, and data analysis for analytics and anomaly detection.
Node.js, Spring Boot, WebFlux, Microsoft SQL Server, Python, Microsoft Excel, Java, JavaScript, Bash, Linux
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4d
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Software Engineer / Principal Software Engineer (TS Clearance) (AHT)
Manhattan Beach, California, United States
$92k-$138k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
2+ YOEUS citizen with adjudicated Top Secret clearance, STEM degree (or equivalent experience), 2+ years software experience, proficiency in C#/Java, Agile and CI/CD (Bamboo/Jenkins), scripting (yaml, Python, PowerShell), and test procedure development.
Bamboo, Jenkins, C#, Java, Microsoft Windows, yaml, Python, PowerShell, Batch, Typescript, TestComplete, BitBucket, git, CVS, .NET Framework, WPF, gRPC, REST, SQL, Jira, Confluence, Docker, Kubernetes, Ansible, Terraform, Chef, Puppet, Azure, AWS, DOORS, JMPS
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