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 917 Java Development jobs posted on Upwork

Teach Using Upwork App

Hourly ‐ Posted 2 days ago
Less than 30 hrs/week
Hours needed
Less than 1 month
Duration
Intermediate
Experience level

Saya membutuhkan seseorang untuk mengajari saya menggunakan apk upwork. Saya ingin memahami cara menggunakan platform ini dengan baik u…

Java DevelopmentJava JobsiOS DevelopmentMobile App Development
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30+ hrs/week
Hours needed
More than 6 months
Duration
Intermediate
Experience level

Join our team as a Web Development and Software Engineering Intern. You'll work on exciting projects, collaborating with experienced pr…

Java DevelopmentPythonCSSHTML5HTML
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Ai App developer

Fixed-price ‐ Posted 1 day ago
$5,000
Fixed-price
Expert
Experience level

Developer to build a modern AI chatbot application similar to ChatGPT for Android and iOS. The app should provide fast, intelligent, an…

Java DevelopmentiOS DevelopmentJava JobsMobile App DevelopmentArtificial IntelligenceAndroidAI Mobile App Development
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$50
Fixed-price
Intermediate
Experience level

We're looking for an experienced n8n developer to build an AI-powered order processing workflow for our wholesale business. The automat…

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

We're building an AI-powered SaaS platform available on Web, iOS, and Android.We're looking for an experienced full stack developer to…

Java DevelopmentiOS DevelopmentMobile App DevelopmentPythonAmazon Web Services
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$3,500
Fixed-price
Expert
Experience level

I'm looking for an experienced Android developer to build a Smart Workout Planner app that helps users create personalized workout plan…

Java DevelopmentMobile App DevelopmentAndroidKotlinJava Jobs
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30+ hrs/week
Hours needed
1 to 3 months
Duration
Intermediate
Experience level

We are seeking a technical team to adopt and modify an existing open-source policy runtime, such as Microsoft Agent Governance Tool. Th…

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Software, Web, and App Developer

Fixed-price ‐ Posted 1 day ago
$250,000
Fixed-price
Intermediate
Experience level

We are seeking a versatile developer to work on software, web, and app projects. The ideal candidate will have experience in full-stack…

Java DevelopmentMobile App DevelopmentHTML5JavaScript
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Partner with Experienced Developer

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

Looking to partner with a highly experienced developer that has a lot of workload, want to collaborate with you and my developer team t…

Java DevelopmentJavaScriptPHP
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OCR Programmer for Program Optimization

Fixed-price ‐ Posted 1 day ago
$200
Fixed-price
Intermediate
Experience level

We are seeking an experienced OCR Programmer to optimize an existing program. The ideal candidate will have a strong background in OCR…

Java DevelopmentPython
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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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