10 Hard Skills Every Java Developer Should Have

Skills required for a java developer

Introduction

Java ranks as the 2nd most popular programming language in terms of development. Programmers prefer a career as a Java developer for it is in demand in 2022. Be it large-scale or medium-scale, all organizations prefer hiring Java developers. A Java developer should have a wider set of skills to earn lucrative salary packages. Basic Java development skills include an understanding of the basics to a thorough knowledge of the latest developments. In this article, we shall explore the hard skills required for a java developer in detail.

Java Developers — An Overview

Before learning Java developer skills, let us see what is a Java developer. A Java developer is a programmer who designs websites and mobile applications using Java programming. These professionals also propose, design, manage, and test the product.

10 Must-Have Hard Skills for Every Java Developer

1. Software Design and Architecture

System design and architecture are two of the most crucial skills in the software development process. A java developer can design software only if he knows the suitable architecture and technology stack. Clear knowledge about system design also helps to make a software development project modular. Developers can easily detect errors in modules and make simple changes in the future. Thus, this hard skill makes the entire development process simpler.

2. DevOps Tools

DevOps is one of the most important java developer skills for all java developers. To be a good java software professional, you must have in-depth knowledge of DevOps tools. These tools include Docker, Chef, Kubernetes, Maven, and Jenkins. It teaches developers integration, deployment, and implementation throughout the development process.

3. Object Oriented Programming

A java developer should have proper knowledge of OPPs programming. Object-oriented programming includes abstraction, encapsulation, polymorphism, inheritance, predefined types, and operations. With skills in OOPs, developers benefit a lot. Oops supports faster development speed, lesser development costs, and enhanced productivity during software development.

4. Big Data

The hiring companies check if Java developers have some experience with big data or not. They prefer such professionals who at least have a basic understanding of big data. So, big data is a must hard skill. It helps developers analyze and extract data from massive datasets. Hadoop and Spark are two examples of powerful Big Data technologies.

5. Web Technologies

Java software developers can create dynamic web content fast and effortlessly via web technology. This hard skill helps communicate better with the host. Java developers should be familiar with some of the actively used web languages like HTML, JQuery, and CSS.

6. Learn APIs

Java developers have to be experts with certain APIs (Application Programming Interfaces). So, a developer should learn the APIs like — XML Processing APIs, JSON Processing APIs, Logging APIs, and Date & Time APIs. This hard skill improves business techniques, creates powerful applications, and streamlines operating procedures.

7. Design Patterns

Java developer role includes making code that’s more flexible, reusable, and maintainable. Clear knowledge of design patterns also helps developers create a standard approach to projects. Some of the key design patterns which developers need to learn to include Creational Patterns, Structural Patterns, and Behavioral Patterns.

8. Unit Testing

An ideal java software developer must be skilled in unit testing. Unit testing helps them design, execute, record, and analyze the test results of each code unit easily & fast. Hence, java developers must learn unit testing tools such as JUnit and TestNg.

9. Code Version Control

Version control is the process of storing and managing changes to software code. One of the skills required for a java developer includes knowledge of Code Version control systems (VCS). With a clear understanding of code version control software tools, software development developers work faster and smarter. Some of the popular version control platforms include Github, BitBucket, GitLab, and BeanStalk.

10. Application Containers

An application Container is a software building unit that helps java developers design application programs. This is a must-have hard skill that helps developers handle a wide range of functions — authentication, logging, and database connection.

Conclusion

So, now you know the top 10 hard skills every Java developer needs to pick. These skills are a must to develop a technology stack & become a proficient Java developer. The best part of acquiring these skills is that Those who manage to master the skills can earn between ₹ 2.0 Lakhs to ₹ 9.0 Lakhs annually giving quite a boost to your development career.