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 1,090 Java Development jobs posted on Upwork

Less than 30 hrs/week
Hours needed
1 to 3 months
Duration
Expert
Experience level

arkdown Project Title: Fix Google Play Policy Violations (Android 15 / 16 KB Page Size / Billing v7) Description: I need an experience…

Java DevelopmentJava JobsAndroidMobile App DevelopmentKotlinAndroid NDK
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Attendance Management System

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

We are looking for an experienced Java developer to build a custom Attendance Management System for schools/coaching institutes. Proje…

Java DevelopmentData EntryAPIHTML5MySQLCSSHTMLJavaScript
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$200
Fixed-price
Intermediate
Experience level

I am looking for an experienced Liferay Developer to provide technical support and guidance on an ongoing project. This is a job suppo…

Java DevelopmentJavaScriptJava JobsSpring FrameworkSpring Boot
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React.js & Next.js Developer for Web Apps

Fixed-price ‐ Posted 1 day ago
$5
Fixed-price
Intermediate
Experience level

We are seeking an experienced React.js and Next.js developer to build modern web applications. The ideal candidate will have a strong u…

Java DevelopmentAPI IntegrationAPINode.jsHTML5JavaScript
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$1,500
Fixed-price
Expert
Experience level

**Job Description:** We are excited to announce an opportunity for a skilled and experienced freelancer to join our dynamic team in en…

Java DevelopmentReact NativeMobile App DevelopmentPHPJava JobsAndroidiOSJavaScriptiOS DevelopmentIllustrationAdobe Illustrator
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Less than 30 hrs/week
Hours needed
1 to 3 months
Duration
Expert
Experience level

Looking for casino game experience backend, java aws experience skilled developer

Java DevelopmentJava Jobs
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$2,000
Fixed-price
Expert
Experience level

Nonprofit organization seeking an experienced consultant to consolidate existing planning, program development, and funding resources i…

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Ecommerce webdesign using Shopify

Fixed-price ‐ Posted 1 day ago
$3,500
Fixed-price
Expert
Experience level

Shopify Plus E-Commerce Website Redesign, Security Implementation & Ongoing Support ---------------------------------------------------…

Java DevelopmentLevelDBPythonJava JobsjQuery
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Gambling App Virtual Points System

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

We are seeking a skilled freelancer to develop a virtual points system for our gambling app. The system should allow users to earn and…

Java DevelopmentContent WritingJava JobsPHP
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Software Engineer – Workflow Automation (n8n)

Fixed-price ‐ Posted 1 day ago
$100
Fixed-price
Intermediate
Experience level

We are seeking Software Engineers to support the development, maintenance, and improvement of a self-hosted n8n automation platform. Th…

Java DevelopmentJava JobsRobotic Process AutomationJavaScriptAPIAutomated TestingPythonAutomation
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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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