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Hire Java Developers to Infuse your Business with Innovative Solutions that Boost your Digital Presence

Automate and streamline your operations by exploiting Java functionalities with the help of our Java experts. eSparkBiz has a wide range of Java experts for you to choose the best-fit talent for various needs from a PM to handle complex projects to extend your development team faster. Hire Java developers on flexible, cost-effective engagement models for enterprise-grade responsive sites, apps & modern Java solutions.

  • Hire Java coders pre-vetted, certified, & with impressive work in every development stage & Java 19, the new version.
  • Expert in Hibernate, J2EE, Spring Boot, OpenXava, Core, Struts, Blade, Groovy, etc.
  • Well-known for their clean, simple, & scalable codes.
  • Craft sophisticated, low maintenance, & extensible customized modern web apps.
  • Infuse your large-scale apps, software, & microservices that can seamlessly leverage a variety of databases.
  • Perform better with Java-powered memory management, threading, security, & synchronization.
  • Extend your features by exploiting Laravel using Blade for complex large-scale enterprise web apps.
  • Hire Java programmers efficient in multiple web app frameworks for full-stack solutions and easy integrations.
  • Go digital with user-friendly, secured, & reliable myriad Java solutions as you hire dedicated Java developer for complex to simple projects & business niches.

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Engage with the top 10% of the Industry-best Java Developers in India

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Lock-in is the obligatory agreement between the client & the company for the specified time period or completion of the said project.
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Java Development Service for Stable, Real-time, & Dynamic Web Solutions

Our competent Java developers for hire are experts in Java Development kit (JDK), Java Virtual Machine (JVM), & Java Runtime Environment (JRE) to offer end-to-end core Java development services for your various needs. And build your Android apps, enterprise software, Big Data, Scientific Computing, & hardware devices, or upgrade to a Java ecosystem powered by J2EE, J2ME, Apache, JBoss, GlassFish, AWS-EC2, ElastiCache, & more. Exploiting Java’s easy-to-use OOP, platform independence, auto memory management & data utility, & distributed environment threading, our developers rapidly develop & launch enterprise-grade Java solutions in the shortest time.

Java Software Development

Hire dedicated Java developers in India for their Java software development services to develop software solutions & easily take your business’s IT Infrastructure to the next level. Also, solve technical glitches, protect user datasets, establish DevOps, & even scale up according to current market demands. Plus, enhance your CX to earn more revenues for your overall business.

Java CMS Development

Our experts can build custom CMS on the Java platform for your specific business needs. Hire core java developers for features to be included in your CMS, a navigation roadmap for easier usability, better performance, and increased productivity. Notably, they are highly scalable so that the usable bandwidth can be increased as your business progresses.

Custom Java Development

A Custom Java website or application will be the perfect replica of your business & exemplify the features and functions of the same. Hire Java developers who will help you to take your user experience to the next level with strategized UI/UX designs to attract & retain more customers. And easily integrate your business plan digitally with clean & scalable code.

Java Mobile App Development

Hire Java developers with us to create affordable, innovative, & highly intuitive mobile app development with easy-to-use interfaces, following the current market trends, & top-notch techs. With hands-on experience in native, iOS, Android, or Hybrid apps with fast apps that run seamlessly on any screen & easily handle your heavy traffic for high conversion.

Java Web App Development

Develop SEO-friendly & feature-rich web applications with our Java developers for hire generating high revenue. Extending the native features of the OS, they efficiently develop SPAs, PWAs, CMS, ERPs, responsive web pages, & more that are lightweight & highly functional. With the best SLA practices & JSP, Java Servlet API, JSTL, JDBC API, & IDEs, they offer you custom end-to-end web app development.

Full Stack Development

Our experts specialize in JSPs and Java Servlets to write the HTML codes offering you a best-in-class full stack development covering modern front-ends & sturdy back-ends based on Java tools & compatible technologies. Hire Java developer with us for the fastest turnaround & rapid launch, enhance performance, craft amazing CX, & expand your user reach globally.

Java eCommerce Development

Economize your ideas with fully-functional, dynamic, & intuitive e-commerce platforms developed by our experts. Hire remote Java developer to blueprint custom eCommerce solutions that offer maximum safety, reliability, and performance to your end users. Using J2EE, they enable CRM, ERP, payment gateway, scalability & interactive features on your eCommerce platforms to ace the domain.

Java Migration and Integration

Hire dedicated Java developer to migrate your current IT infrastructure or any particular software to Java while ensuring no functionality or performance are compromised. Also, you can hire Java coder with us to optimize code & reduce the load time, develop customized integrations based on Java and extend the functionalities of your website or application.

Java Consulting

Whether you are a Startup, Enterprise, or SME, hire Java developers & professional Consultants to give you phenomenal consultation with valuable insights, plans, and problem-solving tactics that will make your Java development process smooth. And give you an all-around final product aligned with your business objectives to enable valuable CX to your end-users.

J2EE/J2ME Solutions

Hire Java coder to get excellent J2EE and J2ME solutions with innovation in every approach. Our developers are proficient in both J2EE Enterprise Edition & J2ME or Java micro edition to effectively render the software on the server side or software from resource-constrained devices. And offer you the best, most robust, & highly scalable solutions to suit your business needs without risks.

Java Cloud Development Solutions

Our freelance java developer is well-versed in Azure, DynamoDB, Elasticache, Redshift, & Oracle Cloud compatible with Java framework to develop & deploy any software on a cloud network. Moreover, our proficiency in SaaS, PaaS, & IaaS allows using Java to help you establish remote performance with high scalability & flexibility. And give your business a competitive edge on the digital platform.


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Java Integration

Java with React
Java with Angular
Java with Python
Java with Docker
Java with Oracle
Java with MongoDB
Java with PostgreSQL
Java with Hadoop

Java with React

Hire Java developers for full stack development solutions for powerful web applications. Integrate ReactJS to handle the front-ends and Spring Boot to handle the back-end functionalities and features of the software to be developed.

Java with React

Java with Angular

Increase the security and robustness of your software as you hire Java programmers with us. And integrate your Java framework with one of the most powerful front-end frameworks AngularJS to craft high-end user experiences.

Java with Angular

Java with Python

Our Java developers for hire combine the two most powerful programming languages – Java and Python- to create and launch the most innovative & highly customized IT solutions. So you can explore wider business opportunities for growth.

Java with Python

Java with Docker

Utilize the Docker deployment tool to speed up your Java development process and release the codes into various environments for testing. With the help of our easy dockerization, you can get easy access to high-quality results.

Java with Docker

Java with Oracle

Hire Java programmers with us proficient in integrating your Java program with Oracle – the topmost database in the world, for data storage and patching. And expertly leverage this amazing and vast DB to get you consistent, robust, fast, & customized Java apps based on Oracle JDBC drivers.

Java with Oracle

Java with MongoDB

Integrate your Java program with MongoDB to use its potent querying and analytical tools to get deeper insights into your business and the market. Moreover, you can store your data in the most secure database solutions and ensure no one has access to the information that makes your business.

Java with MongoDB

Java with PostgreSQL

With the help of JDBC API, we can seamlessly integrate PostgreSQL with your Java program for an object-oriented database to make your project more robust. Rent a Java coder to fuse your apps with high extensibility & adaptability.

Java with PostgreSQL

Java with Hadoop

Build extraordinary software for the Internet of Things with the hands-on expertise of Java coders for hire from eSparkBiz by integrating your Java apps with Hadoop. And take your user experience to the next level.

Java with Hadoop
  • Why Choose Java for Web Development?

    Although several programming languages have become popular for web development, Java has a special fanbase.

    It is a high-level programming language that helps developers implement objects and classes to divide the entire code into multiple modules. As a result, debugging and process functions can be improved with ease.

    Developed by James Gosling of Sun Microsystems in 1995. And later acquired by Oracle. Java is voted as the most popular programming language according to GitHub.

    More than 10k companies are using Java for their dynamic business sites. Some of the big heads among them are Uber, Microsoft, Paypal, LinkedIn, Airbnb, eBay, Spotify, Pinterest, Intel, and Netflix.

    With our freelance java developer, you can easily develop any software, sites, mobile applications, progressive web apps, single-page webpages, client-server web apps, etc functional on any OS.

    Since the question of why Java is preferred for web development is still in the air, we have explained some of the reasons. The following will provide you with all the needed motivation to make you choose Java for your business software.

    1. Wide Community

      Java comes with an excellent community of developers, testers, and other software professionals. Therefore, you can easily communicate with them, gain in-depth knowledge about the language and advanced Java version, share your opinions, and join multiple forums. It will give you much-required exposure and help you learn many real-time programming language applications.

    2. Highly Secure

      Security is one of the powerful features of Java. It offers excellent protection features for the collected user data and those stored in integrated databases. As you hire Java experts, you can ensure that the developed software complies with all the security laws and protocols. From the 128-bit encryption layer to the double-layered user authentication portal, many such features can be added to the software through Java.

    3. Excellent Documentation Support

      As one of the oldest programming languages, Java is the first object-oriented language. Therefore, you can easily find the updated and latest documents on the official website of Java in detail. They are trustworthy and accurate. Further, you can take help from these documents to understand the functions of the built-in library functions and packages of Java, get to know the changes introduced in the latest JVM versions, and so on.

    4. Open-source Programming Language

      Java is an open-source programming language. It means you will have access to the projects developed with the language and whose codebases are already uploaded to the repository. So, you won’t have to worry if you get stuck at some point and cannot understand what logic to apply to encode a particular feature or functionality of the software. Easily ask for help from the community, and the industry experts will guide you without any hassle.

    5. High-performance

      Any web apps & sites or solutions built on Java are bound to perform excellently and much differently than other object-oriented programming languages. It ensures consistent performance without sacrificing productivity or the overall load time. Moreover, these solutions are extremely scalable and encompass trending features to help businesses meet market demands and user expectations.

    6. Powerful Frameworks

      Java comes with some of the best frameworks with built-in library functions and packages, import functions, lightweight features, and so on. Significantly, Eclipse and Selenium are the two most important frameworks where Java codes are developed in the IT world. Both frameworks come with features that help in easier code development and compilation of multiple projects. Also, they can be integrated with other applications too like Postman for API testing, SQL database, etc.

    7. Neutral Architecture

      A neutral architecture makes a language independent of any support to decode information. Impressively, Java does not depend on any hardware system, operating system, or another platform to decode the binary information and run the compiler for further execution. Therefore, it is known as a machine-independent language. If your code is in one device, you can execute the same in another, provided JVM is installed in both.

    8. Better Flexibility

      No other language offers better flexibility to your digital solutions than Java. It enables flexibility regarding code abstraction and encapsulation, inheritance of parent class objects by a child class, and so on. Plus, Java-based software programs can be easily scaled to include modifications without coding from scratch. Hence, it is one of the major reasons why many businesses prefer to develop their software with the help of Java. So, you can hire Java experts from our IT firm to develop the most innovative solutions with a high level of flexibility and scalability. So that the features can be modified according to your business requirements.

  • Common Interview Questions to ask when you hire java developers

    Interviewing a Java developer is one of the most crucial stages of the entire recruitment process. Because until and unless the answers are satisfactory, it is impossible to decide if the applicant is suitable for your company or not. Thus, you can divide the interview phase into technical and personal interviews.

    The technical interview focuses on knowledge about the programming language, popular frameworks used for coding, real-time business resolutions and suggestions, innovative ideas, and so on of the applicant. While the personal interview questions consider characteristics of the applicants like hobbies, management, leadership qualities, cooperative nature, etc.

    1. How can Java be considered a platform-independent programming language?

      Java is a platform-independent programming language that runs on the Java virtual machine or JVM. If the candidate does not know the concept of JVM and how Java codes can be written on one machine and executed on the other, they won’t be able to understand the basic concepts of this programming language. Moreover, this particular feature sets Java apart from C programming language.

    2. What are the four prime features of Java?

      The candidate must know and understands all these four features and their implementation in real-time projects. Since it determines the use of class and objects and their behavior within a code. These prime features are:

      • Java is an object-oriented program.
      • Neutral Architecture
      • Inheritance – to implement to extend the functions and methods defined in the parent class in a child class.
      • Polymorphism – To implement 2 basic concepts: overloading and overriding.
    3. What are the access specifiers Java class supports?

      Access specifiers are certain keywords that Java allows to set the scope of a variable defined under the main function and any other subsidiary function. There are four major access specifiers in Java:

      • Private
      • Protected
      • Public
      • Default

      Each access specifier has a certain purpose. For example, when a variable is declared with the private access specifier, a developer can use that particular variable within the same class where it is defined.

      On the other hand, if a developer has to access a certain variable in multiple classes used in the project, they have to use the keyword public. Suppose any candidate does not know the access specifiers and their scope. In that case, it won’t be possible for that person to properly define the variables and limit their scope to implement abstraction and encapsulation.

    4. What is the difference between fail-safe and fail-fast iterators in Java?

      In real-time projects, the Java codes are quite complicated and each class can have multiple functional modules with numerous logic statements. If there is any glitch in the logic or the functional modules, the code will throw an error during compilation or runtime. Most often, these exceptions become blocker defects for the software and can impact the business severely.

      Sometimes, Java developers handle the exceptions in the program either by bypassing the logic statement or using fail-safe and fail-fast iterators. For example, if a collection in Java is modified, the fail-fast iterators will throw an exception to warn the developer that the logic statement is modified. On the contrary, the fail-safe iterator is used to bypass that exception when the collection clone is executed.

    5. What are the uses of Java loop statements?

      Whether it is to get user-defined values for an array or to set a logic Ford capturing values in an iterative mode, a condition needs to be specified along with the incremental or decremental value. A Java developer can use three major loop statements to define all these.

      Although the purpose of the statements is the same, the way of defining them and their function is different. The candidate must know that for a loop statement, it is crucial to define the initial value of the iterator variable, followed by the condition and then the incremental or decremental value. Similarly, the condition must be specified at the top through the wild statement for a while loop or do a while loop.

    6. What functionality can Java implement to store confidential and sensitive information?

      While coding a block of Java statements that will extract and store confidential or sensitive information like passwords, user information, banking statements, and so on, the Java developer needs to use a character array instead of a string. After asking this question, if the candidate answers that the string is more feasible to store such sensitive information, it means that the person does not have enough understanding about how string operates.

      For instance, when a value is stored in the string, it remains in the memory dump for an indeterminate time or till the garbage collector removes the data. If anyone has access to the memory dump, extracting the sensitive information won’t be difficult. And that can put the overall business at stake. This is why a character array is used to store the information. Because the values in the array are mutable and can be changed every time the loop function is executed.

    7. How the Java application can be connected to the database?

      In real-time projects, Java developers need to ensure that the developed application is connected to a database for storing and modifying different datasets. As these are confidential to the application, user-centric, or business data. Several databases can be used, like MongoDB, MySQL, and so on. Regardless of the DB type, the candidate must know how to connect the application to the database with the help of the JDBC driver. Similarly, if it is an Android application, the candidate should also know how to use com.google.cloud.sql dependent and its relationship with Gradle.

    8. Where do you see yourself in the next five years?

      First and foremost, as a recruiter, you need to ask the Java developer how the person views the next five years. One of the most common answers to this question is: “ I would like to see you as a successful Java developer within the next five years, having in-depth knowledge about implementing different programming language features in real-time projects.” However, this is not the exact answer you should be looking for.

      Instead, it would be best if you chose a candidate who not only sees himself as a successful Java developer in the next five years but also has goals like developing management and leadership skills, and learning more about Java implementation in other fields except that of development. Upskilling oneself and learning new technologies related to Java, and so on.

    9. How well can you accommodate the agile environment?

      Nowadays, most companies are moving from Waterfall to Agile methodology to increase speed, project delivery, & reduce redundancies. It means the Java developer should be able to work fast and collaboratively with the testing team. Because the SDLC development and testing phase are done simultaneously for an agile project.

      So, a Java developer working in an agile environment must know about the responsibilities that come with this new work system. Plus the candidate must be skilled to handle new code development & debugging existing codes to find and fix the defects before they are released and locked in the production environment.

    10. Are you aware of unit testing?

      The developer is not only responsible for writing the codes or modifying them according to their business requirements, but they also need to run unit testing. This testing is usually done in the local environment where the impact is not seen in the testing environment or the database. With the help of unit testing, developers can easily know if the code they have developed or the modifications introduced are working fine and not hampering any other functionality. After successful unit testing, the professionals must release the code to the testing environments (SIT and UAT).

    11. Are you prepared to give support at any time to the business?

      The IT world works 24X7. However, you must ask the Java developer if they can work flexible hours if there is an emergency. Notably, the developer must be ready & able to provide support to ensure that your business does not take a hit due to any technical glitch. In addition, the candidate should be comfortable working in various schedules apart from the one concerning the offshore time zone.

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Why Hire Java Developers from eSparkBiz?

In-demand team of 40+ Java Developers with a 4.9 Clutch score

eSparkBiz is a 12+ years experienced company helping businesses go digital & global. With us, you can hire dedicated Java developers, Team augmentation of Java developers for your monthly, weekly, or hourly requirements.

Hire Java coders with their excellent hands-on knowledge and dexterity in reliable client-oriented full stack solutions for desired results & highest client retention.

Besides, you get next-gen web applications, human-centered design processes, continuous enhancements, engaging Ui/UX designs, & stay with market trends giving you an easy & wide global identity.

Hire Java experts adroit in ORM, JPA, Core Java, Advance Java, Testing tools – JMeter, Junit, Database – OpenXava, PostreSQL, MongoDB, DynamoDB, Lambda, Redshift, etc.

We adhere to our mutually agreed terms striving to maintain the standard & quality of our assigned project. So, find the right kind of Java experts for your distinct project needs with eSparkBiz.

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Frequently Asked Questions

How can I hire Java developer from eSparkBiz?

At eSparkBiz, we let you hire Java developers for your various projects at your ease. Following our 4-step easy process, you can onboard the desired experts in 48hrs. All you have to do is the following:

Step 1 – Share your project requirements.

Step 2 – We shortlist Java experts as per your needs.

Step 3 – Conduct Interviews and finalize the best-fit talent.

Step 4 – Sign NDA, onboard in 48hrs & kickstart your Java project.

What is the cost of hiring a Java developer?

The cost to hire a Java developer ranges from $35 to $50 per hour. However, eSparkBiz offers java coders for hire at $15/hr. Further, you can hire Java developer of junior expertise from $1920 – $2400/month and a Senior Java developer for hire is available from $2880/month onwards. So you can browse and choose the best-fit talent for your Java project.

Do you have flexible hiring models for Java developers?

Yes, we do provide flexible hiring models to companies looking for Java developers. For example, multinational organizations and enterprises usually choose full-time Java developers because these companies handle projects that run for years. On the other hand, if we consider Startups or small and medium-scale businesses, the best hiring models will be part-time or hourly.

What engagement models are available at eSparkBiz?

  • Fixed Price Model
  • Cloud Employee Model
  • Project-based Model
  • Scrum Team Model
  • T&M Model

What are the advantages of outsourcing Java development?

Outsourcing Java development to a third-party company proficient in this domain is very beneficial for any business.

  • First, Java developers are proficient and understand all aspects of their programming language, including J2EE.
  • Easily develop the most innovative solutions for your business or modify the existing IT infrastructure to make the entire system robust and scalable.
  • You won’t have to spend money on training your in-house team in workshops or training sessions.
  • Outsourcing Java development service will lessen your burden allowing you to focus on your business performance.

How many frameworks does your Java developer know?

Yes, our Java developers are highly experienced and are super experts in many Java frameworks for development purposes. Like Spring, Apache, Struts, Eclipse, Hibernate, Blade, Selenium, Grails, and more. Significantly, these frameworks are used to develop Java codes, especially in multinational companies. Understand the built-in features of these frameworks, like the library functions, packages, variable declaration, etc, our developers produce dynamic, stable, functional, & feature-packed Java solutions.

Do your Java developers check for the bugs in my project?

Yes, our Java developers with hands-on experience of at least three to four years analyze the defects and fix the bugs in the project before launching the solution in real time. Conducting several automated as well as manual testing and quality checks, the web app or site is made error-free ensuring high-quality seamless performance for a better user experience.

How much time does it take to complete Java development?

Generally, a simple Java app development takes from 3 weeks to 6 months to complete. While a complex project may even take up to a year through continuous CD/CI. Since, the SDLC process is a continuous life cycle where developers acquire the business requirements, develop a new code base or modify the existing ones, release the codes into the deployment environment for testing, fix the errors and bugs, and provide support and maintenance once the project goes live. Hence, there is no fixed time for completing the Java development process.

Can the Java codes be integrated with other third-party applications?

Yes, Java codes can be integrated with other third-party applications through various extensions that require a specific code for the particular software. For example, if the back-end Java code is integrated with a JSON application like the Postman or Claim Vantage, the JSON request and response will depend on how the code is written. Similarly, Java codes can be integrated with databases and other applications per business requirements.

Does a Java developer offer support and maintenance?

Yes, most Java developers offer support and maintenance services to ensure the developed software functions properly once the project is go-live. After this, they work in production where they receive incidents or service requests based on certain issues encountered by the client in real-time scenarios.

Who is a full-stack Java developer?

A full-stack Java developer is a professional who can use the programming language to code for both – the software’s front-end and back-end functionalities. And understands how Java can be integrated with other programming languages like JavaScript, HTML, Python, Angular, and so on.

What is a Java migration service?

Java migration means a process through which existing software developed through any other programming language will be migrated to the Java platform by changing or modifying the code.

Can your Java developer work with custom dev codes?

Yes, our Java developer can efficiently work with custom dev codes. For example, modifying the programs, adding new modules based on business requirements post-production, etc. Also, they can code to replicate the business functionalities and scenarios without any glitches.

Is Java suitable for mobile application development?

Java is suitable for mobile application development, mainly Android applications. It is often used to develop the back-end functionalities of the app. For the front end, most projects implement JavaScript and HTML programming languages.

How does a Java developer debug the code?

A Java developer runs the unit testing on the local environment to check for any glitches in the code. Unit testing is a preliminary phase of any testing cycle where the developer tests the functionalities post-development. All the bugs are reported in the console, and line numbers are also present. Then on, the developer needs to identify the process service where the defect originates and the line number or numbers which are affected due to the bug.

What data structures should a Java developer know?

A Java developer should know certain data structures, like arrays, trees, hash programs, queues, linked lists, etc. Since a programmer needs to handle a huge volume of user data, they must implement codes to establish these data structures.

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