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Intern Java Backend Developer Jobs in Denver, CO

Spire

Senior Backend Software Engineer

Boulder, CO · Hybrid

$127K - $167K/yr

Experience with at least one compiled language such as Rust, C++, Go, Java, or C * Strong backend engineering experience building and maintaining production systems * Experience working with AWS ...

Quantix

Java / Spring Engineer

Lakewood, CO

$51.75 - $71/hr

Client located in Lakewood, Colorado is seeking a Java / Spring Engineer for a long term contract ... Responsibilities included full lifecycle development with an emphasis on Spring and backend ...

Spire

Senior Backend Software Engineer

Boulder, CO · On-site

$130K - $171K/yr

Experience with at least one compiled language such as Rust, C++, Go, Java, or C * Strong backend engineering experience building and maintaining production systems * Experience working with AWS ...

Spire

Senior Backend Software Engineer

Boulder, CO · Hybrid

$130K - $171K/yr

Experience with at least one compiled language such as Rust, C++, Go, Java, or C * Strong backend engineering experience building and maintaining production systems * Experience working with AWS ...

INENT INC

Java lead

Denver, CO · Hybrid

... engineering solutions that meet those requirements along with good problem solving and time ... Backend services are SOAP, REST, MULE, RMI Interaction w/data model is JDBC and Spring JDBC ...

HonorVet Technologies

Angular Developer

Denver, CO · On-site

$56.25 - $69/hr

Experience with backend technologies (Node.js, .NET, Java, etc.) is a plus but not mandatory. * Bachelor''s or Master''s degree in Computer Science, Engineering, or related field.

bet365

Senior Back-End Engineer, Sports Platform

Denver, CO · On-site

$125K - $155K/yr

As a Senior Back-End Engineer, you will be responsible for developing, maintaining and evolving our US Sports platform. We are building a team and trading platform to help us become a leader in the ...

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

As of Jul 8, 2026, the average hourly pay for intern java backend developer in Denver, CO is $56.23, according to ZipRecruiter salary data. Most workers in this role earn between $50.00 and $64.81 per hour, depending on experience, location, and employer.

What kinds of projects and tasks can I expect as an Intern Java Backend Developer?

As an Intern Java Backend Developer, you’ll typically work on tasks such as writing and testing APIs, fixing bugs, and implementing core backend features under the guidance of senior developers. You may also participate in code reviews, collaborate with frontend and QA teams, and help with database management or performance optimization. These projects are designed to give you hands-on experience with Java frameworks, version control systems, and agile development practices, all while contributing to real-world applications.

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

To thrive as an Intern Java Backend Developer, you need a solid understanding of Java programming, object-oriented principles, and basic knowledge of backend frameworks like Spring, often supported by coursework or relevant projects. Familiarity with databases (such as MySQL), version control systems like Git, and build tools (e.g., Maven or Gradle) is typically expected. Strong problem-solving abilities, eagerness to learn, and effective communication skills help you collaborate and adapt in team environments. These skills and qualities are crucial for contributing to real projects, growing your technical expertise, and supporting overall team success.

What does an Intern Java Backend Developer do?

An Intern Java Backend Developer assists in building and maintaining the server-side logic of web applications using Java. They typically work under the guidance of senior developers, writing code, fixing bugs, and learning about frameworks like Spring or Hibernate. Their responsibilities often include database interaction, API development, and ensuring applications are scalable and efficient. Interns gain practical experience with industry-standard tools and workflows, helping prepare them for a full-time backend development role.
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ONLY W2 | Java Android Application Developer@ Denver, CO

ONLY W2 | Java Android Application Developer@ Denver, CO

Palnar

Denver, CO • On-site

Full-time

Re-posted 20 days ago

Job description

Job Summary,
  • We are seeking a skilled Lead Java Developer with strong Android application development experience to design, develop, and maintain high-quality mobile applications. The ideal candidate will have hands-on experience with Java, Android SDK, and backend integrations using Spring Boot and Kafka, along with a solid understanding of modern mobile architecture and Agile delivery practices.

Required Key Skills,
  • Strong hands-on experience in Java
  • Extensive experience in Android Application Development Proficiency with Android SDK, Android Studio, and Gradle
  • Experience working with Spring Boot and Kafka for backend/messaging integration
  • Hands-on experience with REST APIs, JSON, and XML
  • Knowledge of mobile architecture patterns: MVVM / MVP / MVC
  • Experience with SQLite, Room, or other mobile databases
  • Familiarity with Git or other version control systems
  • Strong understanding of mobile application security and performance optimization

Apply