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Freelance Java Backend Developer Jobs in Costa Mesa, CA

... join our engineering team. The ideal candidate will have experience building scalable backend ... Proficiency in TypeScript; additional experience in Python or Java is a plus * Strong knowledge of ...

Mid Level Java/J2ee Developer

Los Angeles, CA · On-site

$55 - $71/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... and Shell script Strong backend experience to develop Data Layer using at least one of the ...

Mid Level Java/J2ee Developer

Los Angeles, CA · On-site

$55 - $71/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... and Shell script Strong backend experience to develop Data Layer using at least one of the ...

... Staff Back End Engineers to join our growing Engineering organization. We have multiple teams ... speed on modern tech stacks (Java, Spring Boot, Microservices, AWS, Postgres, Kubernetes)

What you'll do As a Backend Engineer on the Otter Verify team, you will design, implement, and ... Our stack heavily utilizes Java and Python, but we care more about your engineering fundamentals ...

Showing results 41-60

Freelance Java Backend Developer information

See Costa Mesa, CA salary details

$10

$58

$78

How much do freelance java backend developer jobs pay per hour?

As of Sep 3, 2026, the average hourly pay for freelance java backend developer in Costa Mesa, CA is $58.61, according to ZipRecruiter salary data. Most workers in this role earn between $52.12 and $67.55 per hour, depending on experience, location, and employer.

What cities near Costa Mesa, CA are hiring for Freelance Java Backend Developer jobs?

Cities near Costa Mesa, CA with the most Freelance Java Backend Developer job openings:

Java Developer - Solumina Manufacturing Execution System (MES).

Accord Technologies Inc.

Irvine, CA • On-site

$54.75 - $70.75/hr

Contractor

Re-posted 19 days ago


Job description

Java Developer - Solumina Manufacturing Execution System (MES).
Location : Irvine, CA - 100% onsite
VIsa: USCs
Position type: Open for both FTE/Contract
Client: Aerospace
 

Must have:

•            Must have experience in Solumina Manufacturing Execution System (MES) 

Key Requirements:

•            Experience in Java development

•            Expertise in SQL Server and Azure SQL Database

•            Strong understanding of MVC Pattern, JDBC, and RESTful web services

•            Familiarity with Java concurrency patterns and object-oriented programming principles

•            Ability to write reusable Java libraries

We are seeking a highly motivated, self-driven Java/MES Developer to deliver innovative digital solutions within our client's Java/MES enterprise platform, supporting various manufacturing sites.

In this role, you will:

•            Develop, enhance, and implement Manufacturing Execution System (MES) solutions

•            Integrate MES with other enterprise products for our internal operations customers

•            Write and maintain back-end Java code and contribute to a custom Windows front-end application using a mix of Java and SQL

•            Troubleshoot MES-related issues, resolve systems integration challenges, and support the application lifecycle

.             If you are passionate about delivering high-quality software solutions in a fast-paced manufacturing environment, we’d love to hear from you!