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Freelance Java Developer for Hire

R

Rahul Saliya

Freelancer

In Business SinceMar, 2021
Projects2
Java DeveloperLogoAndroid App DevelopmentPHPWordpress-Maintainer
Starting FromINR 5000
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N

NERVEMATE

Agency

In Business SinceAug, 2019
Projects2
Java DevelopmentSEOMobile App ServicesWindows SoftwareWebsite Development Services
Starting FromUSD 399.99
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T
Tarun Gupta

Tarun Gupta

Freelancer

In Business SinceJun, 2013
Projects2
Java DevelopmentSoftware DeveloperData ScientistPython DevelopmentChatbot Integration
Starting FromUSD 30
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e
emphuture

emphuture

Agency

In Business SinceNov, 2018
Projects2
Java DevelopmentDevOpsPythonAI SolutionsAndroid Devloper
Starting FromUSD 600
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In Business SinceDec, 2018
Projects0
Java DeveloperWebsite DeveloperLogo DesignerUI DesignerApp DeveloperSocial Media DesignerBanner Designer
linkee
aditi
riday
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"Why Hire Freelance Java Developers from Refrens?"

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Frequently Asked Questions (FAQ)

Why should I hire from Refrens?

Refrens will provide you people with deep expertise in their field. We will provide you people who have done similar work as yours in past. Our escrow based payment protection system ensures your payment is safe and secure.

Are Refrens freelancers reliable?

We do our screening and ensure we share reliable & verified profiles- but incase if you have any apprehensions related to a freelancer we have an escrow system in place to safeguard the interests of both parties.

Should the payment happen from your platform?

Not necessarily. You can choose to pay directly as well. In case you have any apprehensions, the Escrow system can be used to safeguard.

In case we don't go ahead with you then?

In case for some reason it does not work out with the initial few profiles, we can share more expert profiles within 24hrs. In case if you go ahead with someone from your own network, that’s fine as well.

Is the budget mandatory to be shared with you?

No, it is not mandatory. You can submit a requirement without the budget as well. However, with a budget, the requirement becomes more clear and we know about your expectations in more detail.

Expert Freelance Java Developers for Hire

Technology preferences change frequently, with businesses choosing technologies based on their needs. However, there is one constant in the ever-evolving technology landscape: Java. Regarded as a critical computing platform and widely-used programming language, Java covers a wide range of areas, including the web, electronics, and servers.

Java is in demand also due to its versatility, scalability, security, and wide range of uses in desktop software, mobile apps, enterprise systems, and cloud-based solutions. Its extensive library of tools and frameworks, as well as strong security features, make it a popular choice for developers and businesses.

Furthermore, Java has a large community of developers and a wealth of libraries, making it easier to find solutions to development problems and build more robust and scalable applications.

Why Consider A Java Developer?

The main reason for hiring Java developers is that without understanding Java libraries, tools, and documentation, a developer will have to start from scratch, wasting time. When compared to a developer who is familiar with Java libraries and frameworks, this is a significant disadvantage. The role of Java developers and their knowledge, experience, talent, and skills will definitely boost business sales. In fact, considering Java developers is favorable for businesses if they wish to take up newer technologies like a cloud or AI and many more.

  • Scalability - Java is known for its scalability and the ability to handle complex applications, making it a popular choice for large organizations.

  • Cross-platform compatibility - Java is platform-independent, making it possible to run the same code on different devices and operating systems.

  • Robustness - Java has a strong type-checking system, making it less prone to errors, and ensuring robust and reliable code.

  • Large community - Java has a large and active community of developers, meaning there is always support and resources available for complex problems.

  • Wide usage - Java is used in a variety of applications, from the web and mobile development to financial applications, making it a versatile and in-demand language.

  • Strong security - Java has built-in security features and a focus on security in the development process, making it ideal for secure applications.

How To Hire A Java Developer?

  1. Define Your Need

It is important to pen down your expectations before even starting to look. These specifications must align with your company's objectives to guarantee that the final product satisfies expectations. It is imperative to consider various factors such as processes that enhance the application, long-term goals, specialized features, and user requirements, among others.

Understanding the requirements is the first stage in initiating the development process for Java applications, and acting accordingly. Once you have established what you aim to create, the implementation process becomes more straightforward.

  1. Select The Category

Every Java application development project is distinct and has its own technological requirements. Before you initiate the development, understand the requirements and select your category.

A Java development company can provide an array of Java projects, including Java web development, custom Java application development, Java game development, Java product creation, Java system integration, and Java maintenance and support, among others.

  1. Look For Ability To Leverage Frameworks

We are aware that Java is a widely used programming language for creating applications across different types of devices, including mobile and web applications. The Java framework offers a range of development services through its tools and frameworks, such as JSF, Grails, Strut, Play, Spring, Maven, and others.

To ensure that the app developer meets the profitability goals of your business, it is crucial to hire a Java developer with expertise in these technology frameworks, who can effectively utilize your data and information.

  1. Interview With The Right Questions

Prior to hiring a Java developer, it is crucial to conduct a thorough interview with the right set of questions.

The Java developer should have a comprehensive understanding of Java core, web technologies, the basics of class loading mechanisms, MVC, JDBC, and Java EE components such as Servlets, Java Beans, Java Server Pages, and RESTful services. In addition, they should possess strong knowledge of OOPS and OODS, Spring MVC, web services, algorithms, Relational Databases, complex SQL queries, and design patterns. Dig deeper to understand as much of this as possible.

  1. Select Right Methodologies

Professional Java application development firms mostly employ agile methodologies for software development to reduce the risk of failure. To ensure that the correct methodology is being used, it's essential to evaluate the products, features, advantages, and disadvantages of each Java application development company's services before hiring them.

Criteria To Judge A Java developer

When evaluating a potential Java developer, there are several key criteria to consider -

  • Technical skills

Ensure that the developer has strong Java programming skills and is familiar with the latest Java technologies. They should also have experience in developing, testing, and deploying Java-based applications. Here are some essential technical skills you should look for in a Java developer -

  1. Web Technologies: Java is widely used for web development, so the developer should have expertise in web technologies such as HTML, CSS, JavaScript, jQuery.handling, and I/O.

  2. Web Technologies: Java is widely used for web development, so the developer should have expertise in web technologies such as HTML, CSS, JavaScript, and jQuery.

  3. Class Loading Mechanism: Understanding the basics of the class loading mechanism is important for developers to ensure the optimal performance of Java applications.

  • Problem-solving skills

Look for a developer who is able to analyze complex problems and find effective solutions. They should also be able to troubleshoot and debug code efficiently. They should be able to analyze and identify the cause of a problem, then come up with solutions to fix it.

  • Experience

Consider the developer's experience in the field, including the types of projects they have worked on and the size of the teams they have managed.

One of the best ways to evaluate a Java developer's experience is to look at their past work. Check their portfolio, see the projects they have worked on, and assess the quality of their code. You can also check their GitHub account or any other public repositories to see their contributions to open-source projects.

You can also use online coding tests to evaluate a Java developer's experience. Platforms like HackerRank, Codility, and CodeSignal provide coding challenges that you can use to test a developer's knowledge of Java and other programming languages.

Also, look for any relevant certifications that the developer may have, such as Oracle Certified Java Developer, which indicates a certain level of experience and knowledge in Java development. However, keep in mind that certifications are not a substitute for real-world experience.

Common Pitfalls To Avoid While Hiring A Freelance Java Developer

When hiring a freelance Java developer, it's important to avoid common pitfalls to ensure a successful project outcome. Here are a few to keep in mind -

  • Focusing solely on technical skills - While technical skills are essential for a Java developer, it is not the only factor that determines their suitability for a role. Soft skills like communication, teamwork, problem-solving, and adaptability are equally important. Make sure to evaluate both technical and soft skills during the hiring process.

  • Not verifying their experience - It's crucial to verify a Java developer's experience and previous projects to determine if they can handle your specific requirements. Don't rely solely on their resume and make sure to ask questions about their experience and work samples.

  • Ignoring cultural fit - The best Java developer may not always be the best fit for your team or organization. Take time to evaluate if their personality, work style, and values align with your company culture.

  • Not conducting a coding test - Coding tests are essential to ensure that the developer can deliver quality code that meets your requirements. It also helps you assess their coding skills and problem-solving abilities.

By avoiding these pitfalls, you can increase the chances of finding the right freelance Java developer for your project.

Final Deliverables You Can Expect From A Java Developer

A Java developer can deliver a range of software products and applications, including desktop, web and mobile applications. The following are some of the final deliverables you can expect from a Java developer -

  1. Custom software solutions built with Java, designed to meet specific business requirements.

  2. Web-based applications that use Java technologies such as JavaServer Pages (JSP), Java Servlets and JavaServer Faces (JSF).

  3. Mobile applications that are developed using Java for Android devices.

  4. Secure, scalable, and high-performance software applications that are optimized for various platforms.

  5. Integration of third-party services and APIs into the Java software solution.

  6. Code documentation and software testing to ensure the final product meets the required standards.

  7. Support and maintenance services to keep the software solution up-to-date and running smoothly.

Different Levels Of Java Developers

In general, there are several levels of Java developers, each with different skills, experience, and responsibilities. It is important to categorize your project and select a developer accordingly.

  • Junior Java Developer - A junior Java developer is an entry-level developer who has some basic knowledge of Java and its related technologies. They may have some experience with developing simple applications, but they usually need guidance and supervision to work on more complex projects.

  • Mid-Level Java Developer - A mid-level Java developer has more experience than a junior developer and can work independently on more complex projects. They have a good understanding of Java programming and related technologies, and they can write code that is well-structured, maintainable, and efficient.

  • Senior Java Developer - A senior Java developer has extensive experience in Java programming and related technologies. They are responsible for designing and developing complex applications, as well as leading development teams. They have a deep understanding of software architecture and design patterns, and they can provide guidance and mentorship to junior developers.

  • Technical Lead/Architect - A technical lead or architect is a senior developer who is responsible for the technical direction of a project. They provide guidance on software architecture, design, and development, and they are responsible for ensuring that the project meets technical requirements and quality standards.

  • Java Development Manager - A Java development manager is responsible for overseeing the development process, managing development teams, and ensuring that projects are delivered on time and within budget. They have experience in managing teams and projects, as well as a deep understanding of Java programming and related technologies.

It is also important to note that these levels are not strictly defined, and there may be variations in the roles and responsibilities of Java developers across different organizations.

Cost Of Hiring A Freelance Java Developer

The cost of hiring a freelance Java developer depends on several factors such as their level of expertise, location, project scope and duration, and the current demand for their skills.

On average, the hourly rate for a freelance Java developer can range anywhere from $35 to $150 or more. However, the final cost will depend on the specific requirements and complexity of the project. It's important to have a clear understanding of the project scope and budget before starting the hiring process.

Different Projects For a Freelance Java developer & Average Charges

The cost of hiring a freelance Java developer depends on several factors including their experience, location, the complexity of the project, and the number of hours they will work. Some common Java development projects include -

  • Web Development - building a website, developing web applications, or customizing existing ones. The average cost of this project is around $50 to $200 per hour.

  • Software development - creating custom software or modifying existing ones. The average cost is around $50 to $300 per hour.

  • Mobile app development - creating mobile applications for Android or iOS platforms. The average cost is around $50 to $200 per hour.

  • E-commerce development - building an online store using platforms such as Magento, WooCommerce, or Shopify. The average cost is around $50 to $200 per hour.

  • Game development - developing games for desktop, web, or mobile platforms. The average cost is around $50 to $200 per hour.

Keep in mind that these are just rough estimates, and the actual cost may vary depending on the project requirements and the developer's experience.

FAQs For A Java Developer

  1. What are your primary Java development skills?

This question can help you assess a developer's technical expertise in Java programming and related technologies. Look for answers that show a strong understanding of core Java concepts, as well as relevant frameworks and tools.

  1. Have you worked with any specific Java frameworks or tools?

This question can help you assess a developer's experience with specific Java frameworks and tools that are relevant to your project. Look for answers that demonstrate experience with frameworks like Spring, Hibernate, and tools like Maven or Gradle.

  1. What is your experience working in Agile development environments?

This question can help you assess a developer's familiarity with Agile development methodologies and their ability to work collaboratively in a team. Look for answers that demonstrate experience with Agile processes like Scrum or Kanban, as well as experience with related tools like Jira or Trello.