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Java App Developer Jobs in Hawthorne, CA (NOW HIRING)

Jobsbridge

Mobile QA

Glendale, CA · On-site

... Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. 5+ years of experience as a QA engineer 2+ years of Mobile Experience - Native app testing is a must ...

Snapchat

People Application Developer

Los Angeles, CA · On-site

The Company operates Snapchat, a visual messaging app that enhances your relationships with friends ... Experience with Java and/or Python * Experience with SQL and/or NoSQL solutions * Experience with ...

Snapchat

People Application Developer

Los Angeles, CA · On-site

The Company operates Snapchat, a visual messaging app that enhances your relationships with friends ... Experience with Java and/or Python * Experience with SQL and/or NoSQL solutions * Experience with ...

ZipRecruiter

Software Engineer III

Santa Monica, CA · Remote

$135K - $165K/yr

ZipRecruiter has the #1 rated job search app on iOS & Android. About the Team: As a Software ... Lead the migration and transition of legacy services over to a modern, robust Java Spring Boot ...

ZipRecruiter

Software Engineer III

Santa Monica, CA · Remote

$135K - $165K/yr

ZipRecruiter has the #1 rated job search app on iOS & Android. About the Team: As a Software ... Lead the migration and transition of legacy services over to a modern, robust Java Spring Boot ...

ZipRecruiter

Software Engineer III

Santa Monica, CA · Remote

$135K - $165K/yr

ZipRecruiter has the #1 rated job search app on iOS & Android. About the Team: As a Software ... Lead the migration and transition of legacy services over to a modern, robust Java Spring Boot ...

ZipRecruiter

Software Engineer III

Santa Monica, CA · Remote

$135K - $165K/yr

ZipRecruiter has the #1 rated job search app on iOS & Android. About the Team: As a Software ... Lead the migration and transition of legacy services over to a modern, robust Java Spring Boot ...

ASSA ABLOY

Principal Firmware Engineer

Cypress, CA · On-site

Python, C#, Typescript, Java, Kotlin, Swift, GoLang, Cuda * Documented knowledge in Secure-Element ... Mobile App development * Distributed systems development What we can offer you: * Competitive ...

BlackLine

Staff Cloud Platform Engineer

Woodland Hills, CA · On-site

$180K - $226K/yr

Rust, C#, Python, Go, Java, or equivalent) for platform engineering and SaaS development. Understanding of contrainer-targeted application development, such as with Docker, Swarm, Kubernetes, or App ...

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All JobsJava App Developer JobsJava App Developer Jobs in Hawthorne, CA

Java App Developer information

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How much do java app developer jobs pay per hour?

As of Jul 10, 2026, the average hourly pay for java app developer in Hawthorne, CA is $57.64, according to ZipRecruiter salary data. Most workers in this role earn between $49.86 and $64.52 per hour, depending on experience, location, and employer.

What is the difference between Java App Developer vs Android Developer?

AspectJava App DeveloperAndroid Developer
Required SkillsJava programming, software development, object-oriented designJava/Kotlin, Android SDK, UI/UX design
Work EnvironmentVarious platforms including desktop, web, mobilePrimarily mobile app development for Android devices
CertificationsJava certifications, software development coursesAndroid developer certifications, Java/Kotlin skills

Java App Developers focus on creating applications using Java across multiple platforms, while Android Developers specialize in building mobile apps specifically for Android devices. Both roles require Java knowledge, but Android Developers also need expertise in Android SDK and UI design. The choice depends on whether you prefer general Java application development or mobile app specialization for Android.

What job categories do people searching Java App Developer jobs in Hawthorne, CA look for? The top searched job categories for Java App Developer jobs in Hawthorne, CA are:
What cities near Hawthorne, CA are hiring for Java App Developer jobs? Cities near Hawthorne, CA with the most Java App Developer job openings:
Java App Developer jobs near you
Sr Principal Engineer - Software

Sr Principal Engineer - Software

Northrop Grumman Corporation

El Segundo, CA • On-site

Full-time

Medical, Life, PTO

Re-posted 7 days ago

Northrop Grumman rating

8.1

Company rating: 8.1 out of 10

Based on 349 frontline employees who took The Breakroom Quiz

109th of 527 rated manufacturers

Job description

RELOCATION ASSISTANCE: Relocation assistance may be available
CLEARANCE REQUIRED FOR START: No
CLEARANCE TYPE: Top Secret
TRAVEL: NoDescription
At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.
Northrop Grumman Aeronautics Systems Sector is searching for a Sr. Principal Engineer in our Research and Advanced Design (R&AD) Division in support of R&D activities spanning multiple sectors The location for this opportunity can be in El Segundo or San Diego, CA.
Responsibilities:
  • Engineer enterprise solutions that align with best practices to support mission critical objectives.
  • Work on 1-3 mid- to large-scale projects concurrently, assigned from program and internal leadership.
  • Participate in regular project design and incremental status meetings.
  • Collaborate with different teams across the program to discuss, analyze or resolve usability issues and work on projects.
  • Provide effective communication across multi-functional teams, stakeholders and end-users.

Basic Qualifications:
  • Senior Principal level: Bachelor's Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline and 8 years of related engineering experience; OR a Master's degree in a STEM discipline and 6 years of related engineering experience OR a PhD degree in a STEM discipline and 4 years of related engineering experience
  • Your ability to transfer and maintain the final adjudicated Top Secret clearance & SCI (DoD must be in-scope or enrolled in Continuous Evaluation) and any program access(es) required for the position within a reasonable period of time, as determined by the Company.
  • Enterprise Integration Patterns (EIP): Proficiency with Spring Integration or Apache Camel to build robust adapters and message routers.
  • Java 21+ Proficiency, microservice development and front-end interfaces
  • Experience with Observability technologies, health indicators, and dashboarding including Prometheus and Grafana
  • Experience with Apache Niagara Files (NiFi)
  • Deep knowledge of data flow technologies and networking, including UDP, TCP, and hybrid protocols
  • Hybrid S3 Integration: Ability to develop in Java 21+ using the AWS SDK for Java v2 for scenarios where a standalone microservice is more performant than a NiFi processor.
  • Dashboard Development:
  • Backend: Java 21+/Spring Boot service with a time-series or document-oriented store (e.g., MongoDB or Elasticsearch) for status history.
  • Frontend: Proficiency in Angular, React or Vue.js to build the custom "web app" for status display.
  • Real-time Updates: Implementation of WebSockets (via Spring WebSocket) or Server-Sent Events (SSE) to push prober status changes to the dashboard instantly.

Preferred Qualifications:
  • Active SCI and SAP security clearance.
  • Java 21+ Mastery: Leverage Virtual Threads (Project Loom) for high-concurrency probing and file processing tasks.
  • Protocol Translation: Deep experience with Protobuf (Google Protocol Buffers), JAXB/Jackson for XML (UCI) processing, and JSON schema validation.
  • Asynchronous Messaging: Mastery of JMS (Java Message Service) specifically with ActiveMQ Classic. Candidates should understand connection pooling, message persistence, and dead-letter queue (DLQ) management.
  • Resiliency Patterns: Implementation of Circuit Breakers (e.g., Resilience4j) to handle "Relay" failures without cascading into the main effort.
  • Data Pipeline Orchestration: Advanced knowledge of Apache NiFi. Looking for ability to design custom FlowFiles, use ListS3/FetchS3, and implement complex routing logic.
  • Containerization: Proficiency in Docker/OCI image optimization and deploying standalone Spring Boot apps in resource-constrained environments.
  • Testing: Mastery of Test containers for local integration testing of S3 (LocalStack) and ActiveMQ brokers.
  • Stream Processing: Familiarity with Project Reactor or Java Streams to process large file metadata efficiently without memory overflows.
  • Custom Observability: Experience extending Spring Boot Actuator to expose non-standard health indicators and custom metrics via Micrometer.
  • Schema-Driven Monitoring: Ability to design Avro or Protobuf schemas for transmitting custom observability data to ensure cross-org compatibility.

Primary Level Salary Range: $142,200.00 - $213,400.00
The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.
Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.
The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.
Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

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About Northrop Grumman

Sourced by ZipRecruiter

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible.

Industry

Space research administration

Company size

10,000+ Employees

Headquarters location

Falls Church, VA, US

Year founded

1939

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