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Best German-speaking Java freelancers to hire in 2025

Looking to hire German-speaking Java freelancers for your next project? Browse the world’s best Java freelancers on Contra.

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Daniel Drochtert
Germany
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Java(1)
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Serhat Kayikci
Germany
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Java(4)
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Java(1)

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FAQs

Start with a clear description of your project. Mention if it's for a web service, desktop application, or system integration. Specify any tech stacks or frameworks you prefer, like Spring or Hibernate. Include what you want to achieve and essential features. This helps Java experts see if they are a good fit.
Look for freelancers who have worked on similar projects. If you're building a web app, they should know about Spring Boot or JSP. Ask for examples of past Java projects. This will show their expertise in handling your type of work. Ask them if they understand your industry's needs.
Write down all the tasks you need done. Break it into small steps like development, testing, and deployment. Use this list to create a timeline with deadlines. Talk with the freelancer to see if your timeline is realistic. Agree on check-in points to make sure you're on track.
Find out which Java frameworks work best for your project. Popular ones are Spring, Hibernate, or JavaFX. Check if the freelancer has experience with these frameworks. Discuss why they think a certain framework is best. This helps ensure your project will use the correct technologies.
List the software application, API, or system integration you need. Describe each part and what it should do. Make sure you both agree on what the final product will look like. Document everything so you both are clear on expectations. This helps avoid surprises later on.
Discuss testing plans with the freelancer. They'll know how to set up unit tests and other QA steps. Agree on what types of bugs must be fixed before delivery. This makes sure the software runs smoothly. Setting up a testing schedule helps everyone stay accountable.
Ask if the freelancer provides support after the project is done. Some freelancers offer maintenance to fix bugs or update the software. Decide on how long you'll need this kind of help. Having a support plan means your software stays up-to-date and user-friendly.
Choose tools to communicate like email or chat apps. Set regular meetings to discuss progress. Agree on how often you will update each other. Clear communication helps solve issues fast. Make sure you're both comfortable with the tools you pick.
Talk about data security with the freelancer. See if they know Java security features like encryption or secure APIs. Agree on how sensitive information will be handled. This makes sure your data stays safe. Proper security planning protects your business and users.
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