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What does a Junior Java Developer do?

Photo of Brenna Goyette
Brenna Goyette
Certified Professional Resume Writer, Career Expert

Published 4 min read

A Junior Java Developer is responsible for the development and maintenance of applications written in Java. They work closely with senior developers and other members of the software engineering team to create high-quality and scalable software. In addition, they are also responsible for troubleshooting and fixing bugs in existing applications.

Junior Java Developer job duties include:

  • Actively participate in the software development cycle including the development of high-quality and stable software based on customer, business, and technical requirements.
  • Engage with senior developers, architects, and other team members in design and code reviews to ensure that solutions are fit for purpose and meet non-functional requirements such as performance, security, and maintainability.
  • Understand testing methodologies (e.g. unit vs. integration tests) and tools (e.g. JUnit) to ensure that delivered solutions are fit for purpose.
  • Use object-oriented programming techniques and design patterns to implement software solutions.
  • Write clean, well-documented, and easily maintainable code following company coding standards.
  • Use appropriate version control tools (e.g. Git) to manage code changes throughout the software development cycle.
  • Perform regular builds and deployments of software solutions to test and production environments.
  • Monitor systems in production environments and identify potential issues before they impact end users.
  • Investigate, troubleshoot, and resolve technical issues raised by end users or other teams within the organization.

Junior Java Developer Job Requirements

A Junior Java Developer typically needs a Bachelor's degree in computer science or a related field. They should also have experience in Java development and knowledge of Java EE technologies. Certification is not required, but it can be helpful.

Junior Java Developer Skills

  • Java
  • OOP
  • Algorithms
  • Data Structures
  • Databases
  • SQL
  • HTML
  • CSS
  • JavaScript
  • AJAX
  • JQuery

Related: Top Junior Java Developer Skills: Definition and Examples

How to become a Junior Java Developer

There are many ways to become a Junior Java Developer. One way is to have a degree in computer science or a related field. Another way is to have experience with the Java programming language and be able to show potential employers that you have the skills necessary to be a Junior Java Developer.

The most important thing for becoming a Junior Java Developer is to have a strong understanding of the Java programming language. It is also important to be able to use development tools such as Eclipse and Ant. Additionally, it is helpful to be familiar with application servers such as Tomcat and JBoss.

If you are interested in becoming a Junior Java Developer, there are many resources available to help you learn more about the Java programming language and how to use development tools. You can find online tutorials, books, and online courses. There are also bootcamps that teach everything you need to know about becoming a Junior Java Developer in a short amount of time. Whichever route you choose, make sure you put in the time and effort to learn as much as possible about the Java programming language and development tools.

Related: Junior Java Developer Resume Example

Related: Junior Java Developer Interview Questions (With Example Answers)

Editorial staff

Photo of Brenna Goyette, Editor

Editor

Brenna Goyette

Expert Verified

Brenna is a certified professional resume writer, career expert, and the content manager of the ResumeCat team. She has a background in corporate recruiting and human resources and has been writing resumes for over 10 years. Brenna has experience in recruiting for tech, finance, and marketing roles and has a passion for helping people find their dream jobs. She creates expert resources to help job seekers write the best resumes and cover letters, land the job, and succeed in the workplace.

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