Find your next Java developer job on OfferZen

For a Java developer role, you’ll need a strong understanding of core Java, web development frameworks such as Hibernate or Spring, and database management.

Some key skills include:

• Proficient coding in Java and a popular framework, such as Spring Framework and Hibernate
• Good understanding of core Java concepts, data structures, algorithms and OOP
• Experience collaborating with frontend developers and an understanding of popular frontend technologies, such as JavaScript, React, Vue and Angular
• Familiarity working with cloud technologies (AWS, Azure, GCP)
• Understanding of database management systems such as SQL, MySQL and MongoDB
• Experience in microservices architecture and RESTful API services
• Analytical mindset and good problem-solving skills
• Experience in web development using Java-based technologies, such as Servlets and JSP
• Ability to write well-documented, clean code
• Ability to confidently communicate in English

Other nice to have skills:

• Good soft skills: teamwork, communication, time management, problem-solving and critical thinking
• Knowledge of CI/CD practices
• Familiarity with TDD practices
• Enjoys keeping up to date with emerging technologies and trends in Java development

• Entry level Java developers have less than 1 year of experience
• Junior Java developers have 1-2 years of experience
• Mid level Java developers have 2-6 years of experience
• Senior Java developers have 6-15+ years of experience

• What tech stack is being used for the project and how does Java fit in?
• How do you manage dependencies in your Java projects?
• Can you give me an example of a Java problem the team had to solve and how they approached it?
• How is testing for Java code handled and are any specific tools used?
• How does the company approach professional development related to keeping up with the latest Java trends?

For more guidance on how to prepare for interviews, check out the OfferZen Job Search Guide for Developers .

Java is one of the most widely used programming languages across the industry due to its versatility and robustness, offering abundant job opportunities and competitive salaries.

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Java is a high-level, class-based, object-oriented programming language known for its platform independence, robustness and security. Java can run on a variety of devices making it ideal for developers building a wide range of software applications.

Creator James Gosling released Java in 1995 with a team of researchers at Sun Microsystems, which was acquired by Oracle Corporation in 2009, as a secure and platform-independent programming language to develop applications for a variety of devices.