Find the Best Java Development Jobs

Professionals on Upwork rate clients
Rating is 4.9 out of 5.
4.9/5
On average from 2M+ reviews

Check out a sample of the 1,060 Java Development jobs posted on Upwork

Minecraft Developer

Hourly ‐ Posted 1 day ago
30+ hrs/week
Hours needed
More than 6 months
Duration
Expert
Experience level

We're nearing the launch of a Minecraft project and are seeking a developer with experience in Lifesteal to add a fresh perspective to…

Java DevelopmentMinecraft
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30+ hrs/week
Hours needed
More than 6 months
Duration
Expert
Experience level

We are looking for an exceptional commission-only recruitment delivery team to support high-volume recruitment across the UK, USA and A…

Java DevelopmentCandidate ManagementRecruiting
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Software Engineers - Shanghai

Fixed-price ‐ Posted 1 day ago
$2,500
Fixed-price
Entry
Experience level

Qty 2 Software Engineers for 8-10 months (extended from there). Need to be local to Shanghai. Java POS development experience Any re…

Java DevelopmentPOS Terminal DevelopmentJavaScript
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Less than 30 hrs/week
Hours needed
1 to 3 months
Duration
Intermediate
Experience level

We are seeking an experienced Full Stack Developer to build a Library Management System for EaseMySeat.com. The ideal candidate will ha…

Java DevelopmentAgile Software DevelopmentMySQLPHPJava Jobs
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VS Code Extension Developer Needed

Hourly ‐ Posted 1 day ago
Less than 30 hrs/week
Hours needed
1 to 3 months
Duration
Expert
Experience level

We are seeking an experienced developer to create a custom extension for Visual Studio Code. The ideal candidate will have a strong und…

Java DevelopmentC#APIJavaScript
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Senior Java Application Support Engineer

Hourly ‐ Posted 1 day ago
Less than 30 hrs/week
Hours needed
More than 6 months
Duration
Expert
Experience level

We are seeking a Senior Java Application Support Engineer to assist our lead IT resource in maintaining, supporting, and enhancing our…

Java DevelopmentJakarta EEApache TomcatJava Jobs
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Trading Automation Scout Needed

Fixed-price ‐ Renewed 1 day ago
$1,000
Fixed-price
Intermediate
Experience level

I am looking for someone who understands the MQL5 / MT4 / MT5 / EA / trade-copier / signal-provider / trading-automation world from the…

Java DevelopmentAlgorithm DevelopmentJava JobsForex Trading
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Less than 30 hrs/week
Hours needed
Less than 1 month
Duration
Entry
Experience level

Hi, I am looking for an experienced Microsoft Fabric juniror coder to help me deepen my practical knowledge of Microsoft Fabric through…

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Software Developer and Game Development

Hourly ‐ Posted 1 day ago
Less than 30 hrs/week
Hours needed
1 to 3 months
Duration
Entry
Experience level

Looking for a qualified candidate that will be assisting members of a team complete a new TV ecosystem using Blockchain technology and…

Java DevelopmentJava JobsC++C#Game DesignAndroidGame DevelopmentJavaScriptLinux
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API Key Installation and Testing

Hourly ‐ Posted 1 day ago
Less than 30 hrs/week
Hours needed
Less than 1 month
Duration
Intermediate
Experience level

I need a freelancer to install and test API keys on my web page. The task involves ensuring the API keys are properly installed and fun…

Java DevelopmentPythonAPI DevelopmentPHP
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Java Developers on Upwork
can earn $20–$40/hr.
Learn more below about how you can earn a career on the world’s work marketplace.
Java Developer average prices bell curve

$20$40

Median hourly rates (USD)

How to Become a Freelance Java Developer

Java is considered one of the best programming languages for enterprise software. What’s more,Java is one of the native programming languages supported by Android, so many mobile app developers use Java.

What does a Java developer do?

Java developers are responsible for architecting, designing, and developing software using Java, and many popular software libraries and frameworks are written in Java, such as Spring and Hibernate.

Java programmers and developers typically work as part of a team to design and develop software solutions for client requests. Java is famous as an embedded systems programming language, so many devices are powered using software written in Java.

Some other roles and responsibilities include:

  • Designing, implementing, and maintaining Java applications
  • Delivering applications with high availability and performance
  • Ensuring designs comply with specifications

What skills do I need to become a Java developer?

To become a Java developer, experience is more important than a college degree, but a bachelor’s degree in computer science, software engineering, and another related field is often recommended.

Java developers must understand programming concepts such as object-oriented design and common frameworks and software libraries written in Java. Java developers will also be familiar with typical programming tools such as IDEs and version control software.

Common skills a Java developer should possess include:

  • In-depth knowledge of OO design and programming
  • Excellent analytical, problem-solving, and troubleshooting skills
  • Knowledge of relational databases (Oracle, SQL Server, DB2)
  • Experience with back-end application programming interfaces (APIs)

What are the job responsibilities of a Java developer?

A Java developer will build and maintain software applications to develop web apps, mobile apps, embedded system apps, server-side software, and more.

Typically, a Java developer will work as part of a team, using IDEs to write code and version control software to commit code as part of a team effort. A Java developer will be expected to:

  • Plan, design, and code software solutions for new and existing projects
  • Write efficient and reusable code
  • Develop software using industry best practices
  • Work with software engineers, product managers, software developers, web developers, and clients to ensure the software is designed well and meets user needs

Eager to learn more about Java development on Upwork? Check out these additional resources:

Upwork is not affiliated with and does not sponsor or endorse any of the tools or services discussed in this section. These tools and services are provided only as potential options, and each reader and company should take the time needed to adequately analyse and determine the tools or services that would best fit their specific needs and situation.

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