5 Steps To Successfully Hire A Dedicated Java Developer

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5 steps for hiring a Java developer are: Step 1: Specify What You Need; Step 2: Post Recruitment Ads on Career Forums; Step 3: Conduct Interviews;...

5 Steps To Successfully Hire A Dedicated Java Developer

Table of Contents

Is your project or business in need of Java developers? To guarantee the success of your software projects, it is essential to hire qualified and skilled Java developers. Due to its adaptability and stability, Java is still widely used in many different contexts, including enterprise solutions, backend systems, web and mobile development, and more. This post will walk you through the steps of hiring Java developers.

>> Read more about guide for hiring other developers:

Java Developer Job Description

Java developers are highly skilled programmers who specialize in creating applications using the Java programming language.

They are in charge of creating and testing software, determining app features and functionality and recommending improvements to current Java-based applications. They also oversee the Java software application development process, analyze customer or user needs, and assist with upgrades or maintenance.

Java Developer Job Description
Java Developer Job Description (Source: Internet)

Are Java Developers in High Demand in 2024?

Many studies show that the demand for Java developers will remain high, even continue to significantly increase in the coming years. It’s irrefutable that Java's flexibility, durability, and widespread use across sectors have made it a popular programming language for years. The following lines will explain more why Java developer demand is rising.

Java's Ever-Present Importance: 

Java's lengthy history in software development has established its value. Java underpins many systems and applications, from enterprise software to Android apps. These systems need constant maintenance, upgrades, and enhancements, thus expert Java developers are needed to support and optimize them.

Many Enterprise Applications Use Java: 

Java is the leading enterprise development language. It provides powerful frameworks and libraries like Spring and Hibernate to simplify development and create scalable and secure applications. Java developers will be needed to construct and maintain enterprise-level apps as firms digitize.

Prominence in Android Development: 

Java is the major Android app programming language. With the rise of smartphones and mobile apps, talented Java developers are needed to construct Android apps. Java developers who stay current will be in demand as the Android ecosystem grows and new features and APIs are added.

IoT Development and Java: 

The rise of IoT devices offers Java developers another chance. Java is suitable for IoT applications because of its compatibility, portability, and security. Java developers will be in high demand for designing and managing software solutions to link and control devices as the IoT market grows.

Java and Emerging Tech: 

Java stays relevant in the ever-changing tech market by adapting to new technology. Apache Hadoop and Apache Spark are two examples of big data processing platforms that heavily utilize Java. 

Furthermore, JavaServer Faces (JSF) and Java Servlets are two of the most well-known frameworks for server-side development in Java. Java's elasticity and agility will help developers master new technologies.

Java in Cloud Computing: 

Cloud computing is growing, and Java is well-positioned to succeed. Java is great for cloud-based application development due to its resilience, platform freedom, and wide library support. Cloud service companies like Amazon Web Services (AWS) and Google Cloud Platform (GCP) are projected to keep demand for Java developers with cloud computing expertise high.

Java and Microservices Architecture: 

Scalable and modular microservices architecture has grown in popularity. Java's object-oriented nature and frameworks like Spring Boot support microservices-based app development. As businesses use microservices to design flexible and scalable systems, demand for microservices-savvy Java engineers will rise.

Given the causes outlined, Java developer demand is strong and likely to expand in 2023. As new languages and frameworks develop, the enormous existing codebase, the need for legacy system maintenance, and the widespread use of Java in vital areas ensure a continual demand for competent Java workers. Java's adaptability lets developers switch to other technologies and domains, boosting their career options.

Java Developer Roles and Responsibilities Based On Experience Level

Entry-Level Java Developers

Entry-level jobs are identified with titles such as associate Java programmer or assistant Java developer. Most entry-level Java developers need professional experience:

  • Develops and maintains internet/intranet apps for user information solutions.
  • Determines site goals by analyzing user needs.
  • Designs and develops internet/intranet apps' user interfaces by setting expectations and features priorities, programming using languages and software packages, and testing.
  • Designs database architecture and server scripting to integrate applications.
  • Studies and connects network systems, search engines, and information servers.
  • Builds multimedia apps using authoring tools.
  • Participates in team meetings and troubleshoots development and production issues to develop applications.
  • Helps users with documentation and assistance tools.
  • Researches new internet/intranet technologies and software items, attends educational events, reads professional publications, maintains personal networks, and joins professional organizations to update job knowledge.
  • Accepts new requests and seeks ways to improve job performance to boost company reputation.

Senior Java Developers

Senior Java developers handle most of the above responsibilities but must also enjoy project management. Experienced Java developers are required these advanced roles and responsibilities:

  • Software architecture and design;
  • Planning and implementing networks;
  • Presenting tech info;
  • Web development;
  • Making budgets;
  • Managing projects.

Skills and Qualifications Required for A Java Developer


In fact, college degrees are not really crucial when evaluating and hiring a competent Java developer. However, they can help you ensure that your candidates are highly-professional trained, reducing time spent screening candidates. 

There is no set minimum or maximum educational qualification for a top-notch Java developer. A Bachelor's or Master's degree in Computer Science, Engineering, or a Mathematically-Related Discipline is the most frequent. Courses often cover programming and software development. They also teach advanced Java programming and train students for leadership jobs.

However, it doesn’t mean that Java developers without formal degrees are not ideal choices. In fact, candidates with hands-on software development experience will help businesses reduce training cost and time compared to the ones with only theoretical knowledge. Substantial work experience could supplant formal education altogether.


Technical Skills:





Data storage, organization, and manipulation into application-interactive databases.

Use the Latest Java Version

Benefit from new features and bug fixes without compatibility issues.

Core Skills

Object-Oriented Programming

Organize data into reusable classes which are blueprints for ‘objects’.

Data Structures & Algorithms

Provide solutions to common code issues and design appropriate data structures.

Java Frameworks & Libraries

(Spring, Hibernate, Spring Boot, etc)

Use pre-built, optimized code to speed up app development.



Build multiplatform rich web and desktop apps.

Agile Methodologies

Get requirements, prioritize tasks, and work with others to write and test clean code.

Popular Java Development Tools

(Eclipse IDE, Maven, Git, Jenkins)

Eclipse IDE for coding.

Git for version control.

Maven for dependencies.

Jenkins for CI.


Multithreading & Concurrency

Develop multitasking apps

Design Patterns

Determine common coding issues and use common patterns (Singleton, Observer, Factory).

Advanced Java

Developing highly scalable software for corporations and organizations requires advanced Java concepts like concurrency, network programming, distributed computing, and data storage. 

Apache Tomcat & Jetty Web Servers

Rapidly deploy web apps without third-party services or software.

Big Data Concepts & Technology

Big data processing (distributed and real-time) with Apache Hadoop, Spark, and Kafka.

Unit Testing

Write automated tests (fail first) before any code. Apply Red/Green/Refactor cycle.

Jakarta EE

Create web apps or APIs for cloud-based microservices and containers.

Linux OS & Windows Server Environments

Manage file systems, networking, and deploy shell scripting.

Soft Skills:

Communication: Seek Java developers proficient in: 

  • Effectively communicate with teammates using active listening and empathy.
  • Explain non-technical team members, management, or clients sophisticated technological concepts.
  • Constructively resolve disagreement 
  • Give and get comments gracefully
  • Clear communication reduces misunderstandings, disputes, and costly mistakes.

Critical thinking and problem-solving: Software development involves problem-solving and novel approaches to challenging issues. Critical thinking helps engineers evaluate information, see the larger picture, and make decisions that support team goals. 

Time management: Java developers must manage their time to meet project deadlines. They should be able: 

  • Rate tasks by urgency and significance.
  • Estimate work durations accurately.
  • Organise their schedule effectively using, for instance, Time blocks. 
  • Follow their plan and avoid interruptions.
  • Ask for aid when needed.

5 – Step Guide to Hire Java Developers

Step 1: Specify What You Need

Specify in detail the education, work history, and technical abilities that you are looking for in Java developers. If you require knowledge of specific Java frameworks (such as Spring or Hibernate), front-end or back-end development, or any other applicable technologies, please indicate so. If you know what you need from a candidate for your project, you can narrow your search.

Step 2: Post Recruitment Ads on Career Forums

Write the job description for your position to market after determining your requirements. Refer to the following factors in your Java Developer job description:

Position: Java Developer for [type of project or industry] 

Location: [City, state or "remote"] 

Summary: We are a dynamic [small/midsize/large] company specializing in developing cutting-edge [type of application or technology]. We need a Java developer with experience in [type of project, f.e. iOS app development] to join our team and work on our upcoming projects.


In this role, you will:

  • Develop and test apps and features using Java and [additional technologies, programming languages, or frameworks].
  • Monitor deliverable quality and ensure smooth integration with current features.
  • Collaborate with other teams to ensure our app is responsive, performant, user-friendly, and bug-free.
  • Remove bottlenecks and bugs and create ways to mitigate them.
  • Maintain code quality and documentation.
  • Evaluate and implement new technologies to boost development efficiency.
  • Work with the UX/UI team to give users a great user experience.


For this role, you need: 

  • [BS/MS] Degree of [Name of Major].
  • Proven Java experience.
  • Knowledge of[Other technologies, languages, and frameworks].
  • Knowledge of Git and other code versioning systems.
  • Experience with third-party libraries and APIs.
  • Knowledge of the entire software development life cycle.
  • Experience working in Agile and DevOps teams.
  • Strong communication, problem-solving, and time-management skills.


If you join us, you'll get the following benefits:

  • Competitive salary ranging from [salary range].
  • Health and social insurance.
  • Chances for attending company-sponsored activities and workshops for professional development.
  • [Describe other benefits you offer.]

The Application Process

Explain your application process and mention skills tests if you use them to evaluate candidates.

Step 3: Conduct Interviews

Schedule video/face-to-face interviews to assess candidates' technical and problem-solving skills, and cultural fit. Technical talks and coding exercises can reveal their project contributions.

Java developer interviews can be difficult, but these five approaches can help:

  • Provide a clear introduction of your company to applicants: Make sure applicants know about your company before the interview. Describe your projects and company position.
  • Research candidates' job experience: Do your candidates have relevant experience? Prioritize asking about professional aspirations and Java experience.
  • Make sure your interview questions match the job position: Junior Java developers may be overwhelmed by expert-level interview questions, yet basic Java questions won't reveal senior developers' full skills. We will provide you with common Java Developer interview questions in the next part for references.
  • Review all applicants' responses to hire Java developers: Discuss candidate responses with your hiring team. Review assessment results to identify applicants with top skills based on objective data.
  • Create a training programme using interview results: If new hires lack some abilities, use their interview responses to figure out which ones they want to develop. Create a skill-training programme.

Step 4: Offer Competitive Compensation

Find out local salary expectations and offer competitive packages that match your needed abilities and expertise. Negotiate based on market prices and applicant skills. Let’s look through the Java developer salary in the final part for references.

Step 5: Display Growth Chances

List professional growth, skill development, and career progression options when working for your company. Opportunities to learn and grow encourage dedicated developers.

Java Developer Interview Questions

Junior Java Developers

  • What made you learn Java? Why do you like this programming language?
  • What are Java annotations? Give an example.
  • How can you handle exceptions in Java?
  • Differentiate ArrayList and LinkedList.
  • How does Java manage memory?
  • Explain OOP.
  • What are the four main OOP principles?
  • What are Java Lambda expressions and their benefits?
  • How is Java platform independent?
  • Ways for Java thread creation?

Senior Java Developers

  • What distinguishes fail-fast and fail-safe iterators?
  • How does Java's garbage collection work? Discuss garbage collection algorithms.
  • How would you handle versioning in RESTful APIs?
  • Distributed systems: how to maintain data integrity?
  • Explain thread pooling in Java.
  • What distinguishes microservices from monolithic architecture?
  • Mutable Java objects: what are the potential issues?
  • Describe how you would handle database migrations in a Java app.
  • How to handle backward compatibility in Java APIs?
  • Explain Java exception handling best practices.

Java Developer Salary

Factors Affecting Java Developer Salary

Understand the 5 typical elements that determine a Java developer's income before looking at figures.

  • Experience: Experience is frequently the biggest element impacting salary, from juniors learning Java development to veterans.
  • Skills: Certified skills and a strong portfolio can substantially impact a Java developer's fee.
  • Geography: Salaries vary greatly by country or city due to living standard, supply and demand, etc.
  • Specialization: Java developer roles, from frontend to backend, have different pay scales.
  • Complexity of Project: The complexity and size of your project can affect your developer compensation budget.

Knowing these variables can help you make better hiring decisions and provide insight into what a Java developer accomplishes in different roles.

Annually Average Salary of Java Developers

Let’s refer to the average annual salary of Java developers by country and level via the table below: 


Annually Avg. Salary

Junior Java developer 

Middle Java developer

Senior Java developer

United States












United Kingdom




























Viet Nam




>> Read more about the average salary of other developers:


When hiring Java engineers, there's no perfect solution. Java is popular, but many people learn it solely to code, making it challenging to locate skilled and motivated specialists. You may choose the best Java development outsourcing option now that you know the recruiting trends. I hope this blog helps you find suitable Java developers for your projects.

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