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Best freelance Backend Engineers for Developer APIs to hire in 2025

Looking to hire Backend Engineers for your next Developer APIs project? Browse the world’s best freelance Backend Engineers for Developer APIs on Contra.

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FAQs

Looking for a backend engineer? Make sure they know programming languages like Java, Python, or Ruby. Understand if they have experience with databases such as PostgreSQL or MongoDB. Check for skills in API development, as they are important for connecting different software.
To check how experienced they are, ask about past projects they’ve worked on. Look for engineers who have built real systems used by lots of people. See if they have experience with working in teams and using tools like Git for version control.
When writing a project description, be clear about what the project needs. Tell the engineer what kind of system you're working with and your goals. Mention any technical requirements and the timeline. This helps the engineer understand the scope and plan accordingly.
Think about what you want your backend system to do. List all the features it needs to have. Talk with your engineer and make sure these features are doable within your time frame. Setting clear deliverables keeps everyone on the same page.
The timeline depends on your project's size and complexity. Small projects might take a few weeks, while bigger ones could need months. Talk with your engineer to set milestones and deadlines. This helps in tracking progress and ensures timely completion.
Communicate your goals clearly right from the start. Share any diagrams or sketches you have and explain how you see the final product. Encourage questions from the engineer to clarify anything they might not understand.
Testing ensures that the backend system works smoothly. A skilled engineer should use tests to catch any bugs before they cause problems. This means fewer surprises and a more reliable system for you. Testing saves time and makes systems more robust.
Regular updates are important to track progress. Decide with your engineer how often you want reports. Weekly calls or emails help make sure everything is on track and your requirements are being met.
Backend engineers often use tools like JIRA, Trello, or Asana for managing tasks. These tools help organize work and keep everyone informed. They make it easy to see what needs to be done and check off tasks when they’re completed.
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