Hacktoberfest 2026: the issues maintainers tagged for October, open and beginner-friendly. Browse Hacktoberfest issues

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Java Backend & API Design Good First Issues

Java issues about Backend & API Design: the project is written in Java and the issue is about Backend & API Design. The list opens on the ones we rated beginner-friendly.

Backend & API Design

Open issues
117k
New this week
3.3k
Nobody on it yet
106k
Average difficulty
3.9/5

What this list is like

  • Average annotated difficulty: 3.9/5 across 126,561 issues.
  • 7% of 126,561 time estimates are one day or less.

Updated Oct 26, 2026.

About Backend & API Design

Backend and API work covers the server side of applications: business logic, REST and GraphQL APIs, and the contracts between services. Issues filed as backend or API work are listed here too.

Beginner friendly Everything
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Issues somebody may already be working on are listed last. List everything by date

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Questions

How many Backend & API Design issues are open here?
116,910 open issues: 3,343 opened in the last seven days, and 106,090 with nobody working on them yet. We count them once a day.
Where do I start?
Pick an issue marked beginner-friendly, read the project's contributing guide and comment before you begin. The contributor guide walks through it, from choosing an issue to your first pull request.
Can you pick one for me?
Yes: sign in with GitHub and Your next issue shows one open issue nobody has claimed, matched to your languages, your time and the difficulty you want.

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