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How to Hire a Java Developer in Your Project in 2022?
The world where new technologies are developing every day gives us the opportunity to choose the best one. Businesses base the choice of technology on their needs. But there is the number one leader amongst all. And that is Java.
According to recent research on Statista, Java is the most widespread programming language worldwide. It has gained popularity due to its simplicity, security, and object orientation (OOP). Plus, Java is user-friendly for all types of devices starting from laptops to data centers.
Developers that use Java as their main language are the most sought-after specialists in the market. If you’re looking for a Java Developer for your project, this article is here to help you. Hiring is never easy, so the guide gathers all the essentials you need to know when searching for the best employee.
Let’s get started!
What skills are needed for a Java Developer?
People are the biggest investment when it comes to creating stable, user-friendly products. And finding the right person to streamline your project can be quite challenging. What skills you should look for when hiring a Java Developer? What is the difference between Junior, Middle, and Senior?
Let’s dig deeper to find out the answers.
Junior Java developer
A Junior Java Developer is a person who has recently started the journey in programming. It’s usually a “just-graduated” coder who needs to learn a lot about this new profession.
Juniors should be able to do simple tasks like fixing minor bugs, preparing reports and manuals, writing and maintaining the code. There are some essential skills that all Junior Developers must have:
· Have up to 1 year of experience and interest in learning;
· Practical experience in programming and code writing;
· Knowledge of Java syntax, collections, and multithreading;
· Working with tools for coding (Eclipse, NetBeans, IntelliJ IDEA);
· Basic knowledge of HTML5/CSS3;
· Understand how databases and operating systems work;
· Be a team player.
When hiring Junior Developers, remember that they still have a lot to learn. Juniors need guidance throughout the whole process. It’s better to put them in pairs with a more experienced specialist and give them time to grow.
Middle Java developer
Mid-level Developer is an experienced programmer who has worked in this profession for 2-4 years. Such a specialist can to work on tasks without constant supervision.
Middle Java Developers have a clear understanding of the code and technologies used in the project. Due to higher expertise level, they also have more responsibilities.
The list of requirements for Mid-level coders depends on a company hiring policies, but here are the main ones:
· Have up to 4 years of working experience on different projects;
· Full development expertise in a Java technology stack;
· The ability to write high-quality code;
· Knowledge of different frameworks (Spring, Hibernate, Maven, Gradle);
· Experience with Databases such as MySQL and PostgreSQL;
· Be detail-oriented, able to work independently, and self-motivated;
· Be a proactive team player.
When looking to hire a Mid-Java Developers, remember that they aren’t professionals yet and some complicated projects require supervision.
Senior Java Developer
A Senior Java Developer is a person who has significant experience and skills in building Java-based applications. They can work autonomously and perform all the tasks at the highest level. Seniors also act as mentors for Junior and Mid-level coders.
There are some technical requirements that a Senior programmer needs to meet:
· Have 5 or more years of experience;
· Extensive knowledge of OOPS concepts;
· Have experience with Oracle databases;
· Knowledge of current frameworks, SDKs, APIs, and libraries;
· Experience with Object-Oriented Design.
But besides technical skills, Senior Developers should have:
· Good organizational and time management skills;
· Ability to motivate and lead other team members;
· Be responsible;
· Have problem-solving skills.
Seniors are professionals. They can bring your project to the next level and organize the workflow inside the team. It’s crucial to pay attention to soft skills when searching for a specialist of such level.
Java Developer’s hard skills
There are some basic hard skills that every-level programmers should have:
1. Know the basics
Every developer must know the basics, which include:
· Object-oriented programming principles;
· CSS, HTML and JQuery;
· BitBucket and Git.
2. Spring Framework
This is the most widespread tool for development so knowing Spring Boot, Spring MVC, and Spring Cloud is a must.
3. Know additional language or technology
SQL is crucial when it comes to analyzing data. That’s why every programmer needs to know it. Also, learning Kotlin is a must for those developing Android apps.
4. Java testing tools
A Java Developer must be able to test their programming. Tools like TestNG and Junit reduce the programmer’s time spent on debugging.
5. DevOps tools
The knowledge of DevOps tools like Jenkins, Chef, and Maven enables developers to conduct continuous deployment and integration.
Java Developer’s soft skills
Soft skills are as much important as hard skills. When searching for a Java developer, ensure to evaluate both skill sets. Some people can be tech experts but fail to communicate clearly with the team.
1. Teamwork and communication
Creating a product is not a one-person job. It requires a joint effort of different people. A good developer should be able to work in a team and explain tech details to non-tech colleagues.
2. Time management
Java Developer needs to estimate how much time is necessary to complete a project. Once a deadline is set, a programmer must deliver a product within the expected time frame.
3. Attention to detail
Developers work with complex programming tasks. To ensure everything runs smoothly, a developer must focus on every detail.
Java coders may encounter system errors while working on a project. Problem-solving skills are essential to deal with different issues.
Hiring remote Java developer
In the last 2 years, the popularity of remote work has skyrocketed. Many companies are hiring remote employees as they can bring lots of benefits. However, before making a decision, it’s worth considering the pros and cons.
Here are key advantages of having remote developers:
· Access to a global pool of talent (you can hire experts from all over the world);
· Diverse and inclusive workforce;
· Cost-effective (no need to provide a workplace and equipment for an employee);
· Short-term projects (hire people when it’s necessary).
· Time zones differences (additional strategy required to plan the schedules for those working on the other side of the world);
· Managing a remote team can be challenging (it can be harder to keep track of remote employees’ occupancy during the day);· Lack of offline interactions (that means you’ll have to find a way to bring the team together).
Template for Java Developer job description
Here is a general template that you can use when looking for a Java developer. Feel free to modify and copy to recruiting platforms.
Make sure to write a short paragraph about your company to attract the attention of a potential employee. Explain what your company does, what are the main values and benefits.
Full job description
We are looking for a (Junior, Middle, Senior) Java developer responsible for building Java-based applications. This includes managing an application through the full software development cycle, from an idea to testing. You will be part of a talented software team that works on mission-critical applications. Our company embraces creativity, providing the best collaborative and cohesive environment.
What will you do:
· Building new applications and enhancing existing ones;
· Writing well-designed, testable, efficient code;
· Design, implement and support solutions for application development, security, analytics, and performance management;
· Identify code bottlenecks and bugs, providing a solution to these issues;
· (Add any other relevant responsibilities here).
Here’s what we are looking for:
· Up to 1/2/5 years of experience in Java;
· Experience with SQL and NoSQL Databases;
· Writing clear and testable code;
· Strong understanding of best practices, and SOLID principles;
· Solid knowledge of object-oriented programming;
· Experience in the Spring Framework;
· (Add other relevant requirements).
What questions should be asked at the Java developer interview?
After publishing a job opportunity on recruiting platforms, you’ll be getting a lot of CVs. The next logical step is to screen through all applications, choose the best ones and schedule an interview. Interviews often include questions to evaluate soft and hard skills. Such a comprehensive approach lets you ensure that you’ll choose the right person for your business.
Questions for hard skills
· Tell us about the main features of the Java Programming Language
· Could you explain what is JDK, JRE, and JVM?
· What are the differences between C++ and Java?
· Explain the full software development lifecycle, from concept to testing
· Why Java isn’t considered a purely object-oriented language?
· There’s something wrong with the code. How do you identify and solve the problem? Please explain the process step by step.
· Tell us something about the JIT compiler.
Questions for soft skills
· How would you describe a good team? What is necessary to work successfully?
· Imagine that I have no experience in programming. Explain DevOps and its impact.
· Some team members don’t agree with your vision for how to approach a new project. What do you do?
· You’ve realized that you won’t be able to meet the project’s deadline. How do you explain the delay to your senior or client?
· What’s more important: get the work done on time or ensure it’s of a high standard? Why?
· Suppose that you’ve discovered an error made by a senior. What are you going to do about it?
How to find and hire Java developers?
Here are some tips on where to find a Java developer for your project:
· Freelance platforms
Platforms like Freelancer, Upwork, Guru, and others let you see a developer’s portfolio, reviews, and a list of customers.
· Social networks
One of the most well-known networks for hiring is LinkedIn. You can see who is open to new offers, check their CV and find previous customers.
· IT outstaffing agencies
Outstaffing companies can provide a programmer of any level. They will specifically choose the person for your project and needs. A huge plus is that the outstaffing agency acts as a legal employer, so you don’t have to deal with paperwork and taxes.
· Developer’s forumsMany developers spend their time on different forums to share their work, ask for feedback and collaborate with others. The Verge, CodeProject, Stack Overflow, and GitHub are the most popular.
How can we help?
Our company helps businesses to find the right IT specialist for a project. We look for top developers from over 10 countries and make sure they’re the best fit for your company. This is how it works:
1. Understanding your goals and needs
We need to understand your goals, technical needs, and team dynamics. This information will help us find the right candidate.
You can expect to meet your future developer within days. We take care of details like screening resumes, conducting interviews, and further employment.
3. Trial period
We offer a trial period of work with a developer. That means you can pay only if you’re satisfied with the results. Such an approach lets you ensure that the employee will be the right fit.