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 1,051 Java Development jobs posted on Upwork

Community Manager for Loyalty Program

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

We are seeking a community manager to oversee our loyalty rewards program. The role involves managing a community of 1000+ members, eng…

Java DevelopmentPHPJava JobsAgile Software DevelopmentContent Writing
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Aviation Software Development Team

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

Looking to hire a team to build and redesign aviation-related tech and software. This includes Part135 quoting, dispatch, crew app, and…

Java DevelopmentHTML5JavaScriptJava JobsAgile Software Development
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Automation Developer

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

Design, maintain, and ensure the reliability of automations on n8n and Airtable, extending into custom coding (JavaScript Function node…

Java DevelopmentAirtablen8nPython
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Backend Technical

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

Backend Technical Brief For candidate review before recording a Loom walkthrough What This Platform Is This is a SaaS console. Client c…

Java DevelopmentAPIJava JobsDatabaseJavaScript
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Less than 30 hrs/week
Hours needed
1 to 3 months
Duration
Intermediate
Experience level

Seeking an experienced React Native developer to enhance our Android fintech app by integrating UPI/EMV QR Code. Responsibilities inclu…

Java DevelopmentMobile App DevelopmentReact Native
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$20
Fixed-price
Intermediate
Experience level

I need a Java developer to build a small, clean REST API for my business website's contact form (ArchTech Solution — a software service…

Java DevelopmentAPIJava JobsHTML5
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Trading Strategy Coder and Tester

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

Can you code and test trading strategies fast? I have proven and profitable strategies we could build. Just had child, impossible…

Java DevelopmentAlgorithm DevelopmentJava JobsForex TradingPython
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Ongoing dev support

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

ongoing support for our web app both front end and back end

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Senior Java Developer (GCP)

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

We're hiring a Senior Backend Developer to join a long-term engagement with an international consulting firm, working on modern, event-…

Java DevelopmentAPIGoogle Cloud PlatformJava Jobs
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Oracle PIM Technical Lead

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

Role Summary Lead the technical design, build, and delivery of our Oracle Product Information Management (PIM) platform — owning soluti…

Java DevelopmentLinuxJava JobsDatabaseETLOracle APEXOracle AccountingOracle PLSQLOracle Database
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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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