Therefore, the Integer object returned by one call to Integer.valueOf(127) will match the Integer object returned by another call to Integer.valueOf(127), since it is cached. But outside the range -128 to 127, Integer.valueOf() calls, even for the same value, will not necessarily return the same Integer object (since they are not necessarily cached). Sometimes developers want to terminate a thread when an external condition becomes true. Consider the following example of a bus thread that continues to drive indefinitely until the pleaseStop variable becomes true. We’ll discuss Java 8’s quasi-support for multiple inheritance shortly, but first let’s understand what problems can result from multiple inheritance and why it has been so heavily avoided in Java. Checked exceptions are exceptions that are considered to be recoverable.

Those who master it and become Java developers can be found working as a freelancer here on Guru. The developers will work on your software development project and get things done as required. There are a number of advantages of hiring a freelance Java developer instead of hiring an established firm. When you hire Java programmers, the benefits include saving money, quality work completed before the deadline, easy to hire freelancers, and much more.

Hire by Tech Stack

Joseph is a professional with strong leadership skills, highly experienced in software engineering, and specializing in mission-critical systems in aerospace, defense, and telecommunications. He has over two decades of experience designing and developing sophisticated enterprise web applications using various technologies, most recently with ASP.NET MVC. Toptal is a marketplace for top Java developers, engineers, programmers, coders, architects, and consultants. Top companies and startups choose Toptal Java freelancers for their mission-critical software projects. When it comes to senior part time java developer, you can expect 5+ years of experience.

Here one can create a company account and look for candidates based on various filters and factors. This one is good for rare expertise and particular skills. Each one of them has its pros and cons, that’s why the final decision depends on the company’s goals, budget, and project scope.

Full Stack Web Application Development

For example, Netflix uses Java to both develop infrastructure on Linux and encode video on Windows machines. A thread is the smallest part of processing in programming. To make the most efficient use of CPU time, Java supports multithreading — allows threads to run at the same time. Java developers are very good at using them to optimize and streamline deployment, establish stable dataflow for the app, control databases and performance, and more. Based on your requirements we can assemble the whole engineering team.

Although this technology is widely used, it can be challenging to find a freelance java developer because the demand still overcomes supply. For example, the report by Dice shows that the demand for Java skills grew by 55% year after year. Because of that, a lot of companies decide to look for a freelance programmer Java in other countries on an outsourcing basis. This gives access to a wider talent pool and offers budget reductions. According to The PYPL Popularity of Programming Language Index, it is the second most popular technology with a share of 17.31%. Java is primarily used for enterprise solutions — however, many successful startups implemented its solutions in their products.

Remote Freelance Java Developer Jobs with Top Global Clients

It is used for innovative technologies like AI and Big Data as well as microservers architectural decisions. This table shows that Java is the most popular server-side language among leading technology companies. Compared to other programming languages, Java has better security, adaptability, and application scalability.

Dan had many opportunities to architect and deliver large-scale solutions to clients while staying hands-on with the technology throughout his career. Oleksandr is a senior iOS engineer with several years of experience in software development for mobile and tablet devices. Oleksandr is dedicated to continuously discovering, evaluating, best of machine learning and artificial and implementing new technologies to maximize development efficiency. Looking to hire a full-time Java developer with intermediate experience in software development. Mobilunity is a Ukrainian outstaffing company with more than 10 years of experience. We offer access to a wide IT talent pool to our international partners.

Web Developers

Java Lead or Architect is an advanced position for highly-skilled and experienced programmers. An architect is responsible for the project in its entirety as well as its global development and implementation. This position strongly relies on soft skills as well, such as communication, leadership, and problem-solving.

• It has been a great experience and one we’d repeat again in a heartbeat.
• To become a member of the Toptal network, you first need to pass our screening process.
• Accordingly, there has been raging debate for years on whether to use checked or unchecked exceptions when writing libaries, for example.
• After working with Toptal for few years, I can say that being a part of this network is a pleasure for me!
• Therefore, the Integer object returned by one call to Integer.valueOf(127) will match the Integer object returned by another call to Integer.valueOf(127), since it is cached.

Java development is considered more scalable than C or C++ because it is designed to adapt to changing conditions. Search available developers, add them to vacancies and schedule interviews. Fredrik is a developer with over twenty years of contracting and entrepreneurial experience.

How to Hire Java Developers through Toptal

You can hire Java developers who will meet the project requirements and do a quality job. The questions and tips presented herein can be valuable aids in identifying true Java masters. We hope you find them to be a useful foundation for “separating the wheat from the chaff” in your quest for the elite few among senior Java developers.

These are pieces of software pre-integrated and pre-designed that include classes, interfaces, and user interfaces. While experienced programmers surely know the under-the-hood logic of various APIs and how they work, such accessibility makes programming with Java extremely fast. Plus, APIs cut down the amount of code to be written quite heavily. Java generics enable programmers to specify, with a single method or class declaration, functionality that can be applied to multiple different data types.

Senior Desktop application development.

He is passionate about the insights gained from raw data and enjoys converting them to create exceptional business value. Viacheslav’s primary expertise is Python, with production experience in Java and C++. To solve data-heavy projects, he has applied advanced machine learning techniques, such as computer vision, NLP, product recommendation systems, networking data, and classical data science. A senior Java developer is a top-notch coder, and if you don’t have tech expertise it’s best to ask for assistance when hiring them.

If you are acquaintances that have already worked with such experts or agencies, it is a good idea to ask for recommendations. In such a case, you get the client’s review instantly and know what you are signing up for. You can adjust this list based on the skills you want to check.

Other than programming web applications and websites, Java developers also collaborate with other web developers to integrate Java into different business applications and software. A developer will analyze and resolve issues and perform quality assurance testing. At Toptal, we encourage growth for each and every member of our talent network. We have dedicated tools and processes set up to help you build new skills, so that you can take on projects that are of interest to you. Whether you use our community Slack channel to chat with experts or attend Toptal Academies, you’ll have the tools necessary to improve your existing skills and gain new ones. The screening process is designed to evaluate your skills and give you a sense of the work we do with our clients.