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Check out a sample of the 1,510 Java Development jobs posted on Upwork

No-Code Automation Expert Hourly ‐ Posted 1 day ago

30+ hrs/week
Hours needed

1 to 3 months
Duration

Intermediate
Experience level

We are seeking a highly skilled No-Code Automation Expert to join our team. As a No-Code Automation Expert, you will be responsible for…

Java Development C# Java Jobs JavaScript Python Automation
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not_sure
Hours needed

Less than 1 month
Duration

Intermediate
Experience level

We are looking for an experienced professional to help us with automated push back trolley sensor coding. The ideal candidate will have…

Java Development MetaTrader 4 Arduino C++ Python Java Jobs
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Less than 30 hrs/week
Hours needed

Less than 1 month
Duration

Intermediate
Experience level

We are looking for an experienced Android developer to integrate the Facebook SDK into our existing WebView app. The main goal is to pr…

Java Development iOS Java Jobs Android App Development Smartphone Android
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Oracle APEX Developer Hourly ‐ Posted 1 day ago

Less than 30 hrs/week
Hours needed

1 to 3 months
Duration

Intermediate
Experience level

We are looking for a skilled Oracle APEX developer to join our team. As an Oracle APEX developer, you will be responsible for APIs deve…

Java Development eBay API Amazon API Gateway API Java Jobs Oracle PLSQL Oracle APEX Oracle Database
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AWS,CDK with Typescript Hourly ‐ Posted 1 day ago

not_sure
Hours needed

More than 6 months
Duration

Expert
Experience level

We are looking for the candidate having more than 7 years of experience in below technologies , fixed in the project for long term Ski…

Java Development AWS CloudFormation API Amazon Web Services Java Jobs
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Less than 30 hrs/week
Hours needed

3 to 6 months
Duration

Intermediate
Experience level

- Background We have developed a cloud-based AI application. This solution needs to be ported over to an on-premise Windows ecosystem a…

Java Development Application Integration Java Jobs Amazon Web Services Artificial Intelligence Python
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30+ hrs/week
Hours needed

More than 6 months
Duration

Intermediate
Experience level

Who we are: Here at Orbitkey, we make clever accessories to organise your everyday essentials In the complexity of today’s world, our p…

Java Development JavaScript CSS Landing Page HTML Web Development Shopify Java Jobs Ruby HTML5 CSS 3 Platform Plugin Shopify Templates Ecommerce Website API Integration Ruby on Rails
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Automated Project Tracker Builder Fixed-price ‐ Posted 1 day ago

$50
Fixed-price

Intermediate
Experience level

I am looking for a talented freelancer to build an automated project tracker for myself. The project tracker should be able to accurate…

Java Development Java Jobs Python PHP Automation JavaScript
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AI Integration for Flight School Training Systems Fixed-price ‐ Posted 1 day ago

$1,000
Fixed-price

Intermediate
Experience level

We are seeking a skilled AI developer to integrate AI technology into our flight school training systems. The objective is to streamlin…

Java Development JavaScript Java Jobs C# Python
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$30
Fixed-price

Entry
Experience level

i need to create a crossword puzzle tool that generate it and after i can download it as a pdf format. the pdf will have a design creat…

Java Development JavaScript Java Jobs Python
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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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