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Senior Java Backend Developer Jobs in Los Angeles, CA

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Java Developer

Irvine, CA · On-site

$54.75 - $70.75/hr

Develop backend services and APIs using Java-based frameworks * Build and enhance frontend ... Strong communicator who collaborates well with senior engineers and stakeholders

Prosum

Backend Java Engineer (Cloud/DevOps)

Glendale, CA · On-site

$53.50 - $69.25/hr

Strong programming experience in core Java, Python (someone who has built many tools/written many ... Implement new functionality in the UI and backend, including database access, integration through ...

Prosum Inc.

AI / Java Developer

El Segundo, CA · On-site

$130K - $160K/yr

Senior AI Software Engineer - AI Applications & Enterprise Product Innovation Location: Remote ... Develop integrations with APIs, databases, enterprise systems, and backend services * Participate ...

Fox

Senior Developer, Back-End

Los Angeles, CA

$143K - $165K/yr

ABOUT THE ROLE We are seeking a Senior Developer with expertise in AWS serverless development to ... Proficiency in TypeScript; additional experience in Python or Java is a plus * Strong knowledge of ...

PSG Global Solutions

Senior Java Developer

Burbank, CA

$61.25 - $78/hr

Java expert, who will help to build our next generation of client-server and web-based products and services while working closely with other talented engineers. The ideal candidate will be versatile ...

PSG Global Solutions

Java Tools Engineer

Burbank, CA · On-site

$55.25 - $76/hr

The Sr. Tools Engineer works as part of this Platform team and is responsible for designing and ... Java * backend development * developing REST API's * strong understanding of cloud technologies so ...

Prosum

Sr. Java Programmer

Glendale, CA · On-site

Able to escalate high-priority issues when necessary Qualifications * 8-10 years of Core Java development experience; * 5+ years of JEE programming experience using Spring 3.x and Struts 1.x and ...

Vast

Senior Software Engineer, Backend

Long Beach, CA · On-site

$159K - $226K/yr

Familiarity with DevOps practices and tools (Docker, Kubernetes). * Experience designing and ... Pay Range: * Senior Software Engineer, Backend: $159,000 - $226,000 * Staff Software Engineer ...

RAKS Group LLC

Sr Java Developer

Los Angeles, CA · On-site

$61.75 - $78.75/hr

Experience as an Google SRE * Hands on Able and willing to write welldocumented high performance reliable maintainable code * Excellent design and programming experience in Core JavaJEE Concurrency ...

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Senior Java Backend Developer information

See Los Angeles, CA salary details

$69K

$150.7K

$205.3K

How much do senior java backend developer jobs pay per year?

As of Aug 11, 2026, the average yearly pay for senior java backend developer in Los Angeles, CA is $150,678.00, according to ZipRecruiter salary data. Most workers in this role earn between $129,800.00 and $168,600.00 per year, depending on experience, location, and employer.

What is a senior Java backend developer?

A Senior Java Backend Developer is responsible for designing, implementing, and maintaining the server-side logic of applications using Java. They work with databases, APIs, and cloud services to ensure high performance and scalability. Additionally, they collaborate with front-end developers, DevOps teams, and business stakeholders to deliver robust and secure solutions. Seniors are expected to mentor junior developers and contribute to architectural decisions and best practices.

What are the typical daily responsibilities of a senior Java backend developer?

Senior Java Backend Developers usually spend their days designing and implementing backend components, reviewing code, and optimizing system performance. You may take part in architecture discussions, mentor junior developers, and troubleshoot complex technical issues. Collaboration with front-end developers, QA testers, and project managers is frequent to ensure seamless integration and successful product delivery. Additionally, you might be responsible for maintaining system documentation and keeping up-to-date with new technologies relevant to backend development. Overall, the role combines hands-on coding with leadership and cross-functional teamwork.

What are the key skills and qualifications needed to thrive in the senior Java backend developer position, and why are they important?

To thrive as a Senior Java Backend Developer, you need deep knowledge of Java, object-oriented design, RESTful APIs, and database systems, typically backed by a degree in computer science or related field and several years of relevant experience. Expertise in frameworks like Spring, ORM tools such as Hibernate, version control systems like Git, and, often, certifications such as Oracle Certified Professional Java Programmer are valued. Strong problem-solving, leadership, and clear communication skills help in mentoring junior developers and collaborating across teams. These competencies ensure robust, scalable backend solutions and effective team coordination in complex software projects.

What are the most commonly searched types of Java Backend Developer jobs in Los Angeles, CA? The most popular types of Java Backend Developer jobs in Los Angeles, CA are:
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Senior Java Backend Developer jobs near you
Infographic showing various Senior Java Backend Developer job openings in Los Angeles, CA as of August 2026, with employment types broken down into 81% Full Time, 5% Part Time, and 14% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $150,678 per year, or $72.4 per hour.

Senior Backend Software Engineer

GOODCONNEX INC

Irvine, CA • On-site

Full-time

Retirement, PTO

Re-posted 4 days ago

Job description

About the Role

We’re building a mobile-first information platform and are approaching production launch. We’re looking for a Senior Backend Software Engineer to co-own our backend architecture and ensure the system is scalable, reliable, and production-ready.

This role is ideal for someone who enjoys designing systems and running them in the real world — handling performance bottlenecks, debugging production issues, and improving reliability as usage grows.

You’ll work closely with a small team and have meaningful influence over architecture, infrastructure decisions, and engineering practices.

What You’ll Do

System Design & Scalability

  • Review and improve backend system architecture for scale and reliability
  • Identify and resolve performance bottlenecks across services, databases, and caches
  • Design data models and APIs that scale as traffic and usage grow
  • Improve caching strategies and consistency patterns

Database & Performance

  • Optimize MySQL schemas, queries, and indexing strategies
  • Analyze slow queries and improve transaction performance
  • Plan for read scaling (replicas, partitioning strategies, etc.)

Production Reliability & Operations

  • Improve observability: logging, metrics, tracing, dashboards, and alerts
  • Debug and resolve production issues, including intermittent and edge-case failures
  • Design systems with resilience in mind (timeouts, retries, circuit breakers)
  • Participate in on-call and incident response as needed

Release Safety & Engineering Discipline

  • Improve deployment safety (blue-green, canary, rollback strategies)
  • Design safe database migration and backward-compatible changes
  • Contribute to engineering best practices and post-incident improvements

Our Tech Stack

  • Backend: Java, Spring Boot
  • Infrastructure: AWS ECS (Fargate), ALB, CloudWatch
  • Database: MySQL (RDS)
  • Caching: AWS ElastiCache (Redis)
  • Client: React Native (mobile)
  • CI/CD: GitHub Actions

Experience with similar stacks is welcome; deep backend and system design fundamentals matter most.

What We’re Looking For

Required

  • 5+ years of backend engineering experience
  • Strong system design and distributed systems fundamentals
  • Experience building and operating production backend services
  • Solid understanding of relational databases and query optimization
  • Experience with cloud infrastructure (AWS preferred)
  • Ability to debug complex issues under real-world constraints
  • Fluent spoken Mandarin required; ability to participate in technical discussions and collaborate with Mandarin-speaking stakeholders.

Strong Plus

  • Experience with Spring Boot in high-traffic systems
  • Hands-on experience with MySQL performance tuning
  • Experience with caching systems
  • Familiarity with observability tools (metrics, tracing, logging)
  • Startup or small-team experience with high ownership

Company Description

GoodConnex is decentralized digital bulletin board helps you discover, offer, and exchange local services—without commissions, algorithms, or corporate middlemen getting in the way.