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Freelance Java Backend Developer Jobs in Belleville, IL

Sigmaways Inc

Java Backend Developer

Saint Louis, MO · On-site

$49 - $63.75/hr

Excellent capabilities in Java applications and Object Oriented concepts * Deep functional ... Proficient oral and written communication skillsBS or MS in engineering, com * Hadoop - Nice to ...

Innova Solutions

Java Developer

Saint Louis, MO

$49.50 - $64.25/hr

As a Backend Engineer, you will be responsible for developing and maintaining robust Java applications, collaborating closely with cross-functional teams to define, design, and ship new features.

Auritas

Java Lead Backend Developer

Saint Louis, MO

$49 - $63.75/hr

* Strong Java developer with very good understanding of micro services * Develop and consume APIs using HTTP/Rest. * Skills on at least one major JS library /frame work. * Exposure to relational/non ...

Netrist Solutions, LLC.

Java Developer (Remote)

Shiloh, IL · Remote

$52.25 - $67.50/hr

Java Developer We are seeking a Java Developer to support a command and control system for the ... This role focuses on designing and maintaining mission critical backend services in Java and .NET, ...

Zortech Solutions

Java Developer (Backend)

Saint Louis, MO · On-site

$49 - $63.75/hr

Interview Process: 3 rounds will be Zoom Video • Strong Java developer with very good understanding of micro services. • Grasp of software engineering skills in modular design, data structures ...

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

As of Jun 19, 2026, the average hourly pay for freelance java backend developer in Belleville, IL is $53.06, according to ZipRecruiter salary data. Most workers in this role earn between $47.16 and $61.15 per hour, depending on experience, location, and employer.
What are the most commonly searched types of Java Backend Developer jobs in Belleville, IL? The most popular types of Java Backend Developer jobs in Belleville, IL are:
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Freelance Java Backend Developer jobs near you

Java backend Developer

Purple Drive Technologies

Saint Louis, MO • On-site

$49 - $63.75/hr

Full-time

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Overview:
Java Backend Developer
Job Description:
  • We are looking for an experienced Java Backend Developer to join our team and contribute to building high-performance, scalable, and reliable applications.
  • The ideal candidate will have strong expertise in core Java programming, backend development, and system design.

Key Responsibilities:
  • Design, develop, and maintain backend services and APIs using Java.
  • Ensure applications are secure, scalable, and optimized for performance.
  • Collaborate with cross-functional teams including frontend, QA, and DevOps to deliver robust solutions.
  • Write clean, maintainable, and testable code following best practices.
  • Troubleshoot and resolve technical issues across development and production environments.

Required Skills & Experience:
  • Proven hands-on experience in Java backend development.
  • Strong knowledge of object-oriented programming, multithreading, and design patterns.
  • Experience with REST APIs, microservices architecture, and database systems (SQL/NoSQL).
  • Familiarity with cloud platforms, containerization (Docker/Kubernetes), and CI/CD pipelines is a plus.
  • Excellent problem-solving, debugging, and communication skills.

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