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Intern Java Back End Developer Jobs in St Louis, MO

Jobs for Humanity

Java Backend Developer

O Fallon, MO

$47.25 - $61.25/hr

Design, develop, and maintain backend applications using Java 8 and the Spring Framework. * Build ... CI/CD and DevOps practices. * Unit testing (JUnit or Mockito). * Bachelor's degree in computer ...

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 ...

Zentek Infosoft Inc.

Java Engineer

O Fallon, MO · On-site

$48.50 - $66.50/hr

... Java Backend Developer * Here is the JD: Java Engineer * An ideal candidate for this role would have extensive experience in Java development and be well-versed in cloud-native applications ...

Auritas

Java Lead Backend Developer

Saint Louis, MO · On-site

$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

Scott Air Force Base, IL · On-site

$49.25 - $63.75/hr

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

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, ...

Leidos

Backend Software Engineer

Saint Louis, MO

$107.90K - $195.05K/yr

If you've spent the last few years building your expertise in backend engineering, Java or Python development, and missiondriven systems , and you're ready for work that actually moves the needle ...

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How much do intern java back end developer jobs pay per hour?

As of May 31, 2026, the average hourly pay for intern java back end developer in St. Louis, MO is $22.26, according to ZipRecruiter salary data. Most workers in this role earn between $17.98 and $23.61 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an Intern Java Back End Developer, and why are they important?

To thrive as an Intern Java Back End Developer, you need a solid understanding of Java, object-oriented programming, and database fundamentals, often backed by coursework in computer science or related fields. Familiarity with development tools such as Git, IDEs like IntelliJ or Eclipse, and frameworks like Spring Boot is commonly expected. Strong problem-solving abilities, eagerness to learn, and effective communication skills help you collaborate with team members and adapt quickly. These skills and qualities are crucial for building reliable server-side applications and integrating effectively into a professional development environment.

What types of projects and responsibilities can an Intern Java Back End Developer expect during their internship?

As an Intern Java Back End Developer, you can typically expect to work on tasks such as writing and testing server-side code, assisting with database integration, and supporting the development of RESTful APIs. You'll likely collaborate closely with senior developers and other interns during code reviews, debugging sessions, and team meetings. Interns may also be assigned to real-world projects where they can contribute to feature enhancements or bug fixes under supervision, providing valuable hands-on experience in a collaborative, agile environment.

What does an Intern Java Back End Developer do?

An Intern Java Back End Developer assists in designing, developing, and maintaining the server-side logic of web applications using the Java programming language. They typically work under the guidance of senior developers to write clean, efficient code, troubleshoot bugs, and learn about frameworks like Spring Boot or Hibernate. Interns may also participate in code reviews, testing, and collaborating with front-end developers to integrate user-facing elements with server-side logic. This role helps interns gain hands-on experience in building scalable and secure back-end systems.

What is the difference between Intern Java Back End Developer vs Intern Front End Developer?

AspectIntern Java Back End DeveloperIntern Front End Developer
Required SkillsJava, Spring, SQL, REST APIsHTML, CSS, JavaScript, React or Angular
Work EnvironmentServer-side development, database integrationClient-side interface, UI/UX design
Common Industry UsageBackend systems, enterprise applicationsWebsites, mobile app interfaces

Intern Java Back End Developers focus on server-side logic, database management, and API development, while Intern Front End Developers work on the visual and interactive aspects of websites and applications. Both roles often require programming skills and are used in web development environments, but they specialize in different parts of the software stack.

What cities near St. Louis, MO are hiring for Intern Java Back End Developer jobs? Cities near St. Louis, MO with the most Intern Java Back End Developer job openings:
Intern Java Back End Developer jobs near you

Java backend Developer

Purple Drive Technologies

Saint Louis, MO • On-site

$49 - $63.75/hr

Full-time

Posted 22 hours ago

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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