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Senior Java React Jobs in Long Beach, CA (NOW HIRING)

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Senior Front End Web Developer

Irvine, CA · On-site

  • Medical

... React, CSS, and UI design. A degree in either computer science or computer engineering is also mandatory. Skills in c#, SQL, and Java are a plus as well. Pay will be based on experience. Company ...

Staffingine LLC

Sr. AWS Developer / Engineer

Irvine, CA · On-site

Job Title: Sr. AWS Developer / Engineer Job Location: Irvine, CA Job Type: Contract * API Migration ... Experience with Java, Node.js, React/Angular, and PostgreSQL. * Familiarity with Docker, Kubernetes ...

K2 Space

Senior Ground Software Engineer

Torrance, CA · On-site

$127K - $167K/yr

... C++, Java, C#, TypeScript) • Experience with JavaScript/TypeScript and modern frontend ... React, Svelte) • Experience with version control, continuous integration, build, deployment ...

Jobsbridge

Senior Node.js Developer

Los Angeles, CA

$58.75 - $77.50/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... and React Understanding of front-end technologies, such as HTML5, and CSS3 Experience with ...

TWG Global AI

Senior Engineer, AI Engineering

Manhattan, NY · On-site

$190K - $200K/yr

The Role We're looking for a Senior Engineer, AI Engineering with deep experience across the stack ... React and/or Java experience a plus * Demonstrated experience building real-world AI applications ...

Hop

Full Stack Software Engineer

Los Angeles, CA

... Java and Spring Boot backend services supporting production business applications. Build React and ... Collaborate with senior engineers on architecture decisions, technical implementation, and delivery ...

Hop

Full Stack Software Engineer

Los Angeles, CA · On-site

... Java and Spring Boot backend services supporting production business applications. * Build React ... Collaborate with senior engineers on architecture decisions, technical implementation, and delivery ...

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How much do senior java react jobs pay per hour?

As of Aug 13, 2026, the average hourly pay for senior java react in Long Beach, CA is $66.06, according to ZipRecruiter salary data. Most workers in this role earn between $57.88 and $73.80 per hour, depending on experience, location, and employer.

What is the difference between Senior Java React vs Java Spring Developer?

AspectSenior Java ReactJava Spring Developer
Required CredentialsBachelor's in CS or related, Java, React, experienceBachelor's in CS or related, Java, Spring Framework, experience
Work EnvironmentFront-end and back-end development, collaborative teamsBack-end development, server-side applications, enterprise projects
Industry UsageWeb applications, SaaS, startups, tech companiesEnterprise software, banking, healthcare, large-scale systems
Common Search/ComparisonSenior Java React vs Java Spring DeveloperSenior Java React vs Java Spring Developer

Both roles require Java expertise, but Senior Java React focuses on full-stack development combining React for front-end and Java for back-end, while Java Spring Developer specializes in server-side development using the Spring Framework. The choice depends on whether you prefer front-end or back-end specialization within Java-based projects.

What does a senior Java React developer do?

A Senior Java React developer is responsible for designing, developing, and maintaining complex web applications using both Java (usually for backend services) and React (for the frontend user interface). They collaborate with cross-functional teams to define project requirements, write efficient code, and ensure high-quality software delivery. In addition to coding, they often mentor junior developers, participate in code reviews, and help set technical standards for the team. Their role bridges server-side logic and client-side experiences, making them key contributors to modern web projects.

What are the key skills and qualifications needed to thrive as a senior Java React developer, and why are they important?

To thrive as a Senior Java React Developer, you need advanced proficiency in Java, React.js, and related frameworks, along with a bachelor's degree in computer science or a related field. Experience with tools like Spring Boot, RESTful APIs, version control systems (e.g., Git), and CI/CD pipelines is typically required. Strong problem-solving, leadership, and communication skills help you manage complex projects and mentor junior team members. These capabilities ensure the delivery of robust, scalable applications and smooth collaboration within cross-functional teams.

How does a senior Java React developer typically collaborate with cross-functional teams in agile environments?

Senior Java React developers often work closely with product managers, UX/UI designers, and QA engineers within agile teams. They participate in sprint planning, code reviews, and daily stand-ups to ensure that both backend (Java) and frontend (React) components are seamlessly integrated. Effective communication and the ability to translate business requirements into technical solutions are essential, as is mentoring junior developers and driving best practices across the team.

What cities near Long Beach, CA are hiring for Senior Java React jobs?

Cities near Long Beach, CA with the most Senior Java React job openings:

Senior Java React jobs near you

Sr Principal Engineer Software

Northrop Grumman Corporation

El Segundo, CA • On-site

$142K - $213K/yr

Full-time

Medical, Life, PTO

Re-posted 10 days ago

Northrop Grumman rating

8.2

Company rating: 8.2 out of 10

Based on 362 frontline employees who took The Breakroom Quiz

88th of 538 rated manufacturers

Job description

RELOCATION ASSISTANCE: Relocation assistance may be available
CLEARANCE REQUIRED FOR START: No
CLEARANCE TYPE: Top Secret
TRAVEL: Yes, 10% of the TimeDescription
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 Senior Principal Software Engineer to join the Research and Advanced Development division working on exciting new next generation technologies. This position can be located in either San Diego, CA or El Segundo, 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:
  • Bachelor's Degree in Science, Technology, Engineering or Mathematics (STEM) from an accredited university and at least 9 years' relevant experience, or STEM master's degree with 7years' relevant experience, or a STEM PHD with 3 years' relevant experience
  • Your ability to transfer and maintain the final adjudicated Top Secret clearance (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 Testcontainers 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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