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Java Developer Job Description (2026): Duties, Skills and Salary

A Java developer builds and maintains backend services and APIs on the JVM, usually with Spring or Spring Boot, working against a relational database and some message queue or caching layer. The work ranges from new feature development to keeping existing services reliable under load, with a strong emphasis on testing and code review.

Java developers work in banking, insurance, e-commerce and large enterprise systems, where long-lived codebases and strict reliability requirements are common. The core toolkit is Java itself, Spring, build tools like Maven or Gradle, SQL, and increasingly Docker and a cloud platform for deployment.

Java Developer job description template

Copy it, replace everything in [brackets] and cut what doesn't apply. Keep the requirements to what the job really needs.

Template · replace the [brackets]

Java Developer

[Company] · [City and office days, or remote with the countries or time zones you hire in] · [Full-time]

About [Company]

[Two or three sentences on what your company does, who it serves and why this team matters now.]

About the role

[Company] is hiring a Java developer to build and maintain [product / service]. You'll design and implement backend features, write tests, and work with [team] to ship reliable, well-documented APIs.

What you'll do

  • Design, build and maintain services and APIs in Java using [Spring Boot].
  • Write unit and integration tests, and keep test coverage meaningful rather than nominal.
  • Review pull requests and give direct, specific feedback to teammates.
  • Debug production issues using logs, metrics and [monitoring tool].
  • Work with [database] schemas and write efficient queries for new features.
  • Participate in design discussions and document significant technical decisions.
  • Contain and reduce technical debt alongside new feature work.
  • Deploy and monitor services in [cloud platform], often via CI/CD pipelines.

What you'll bring

  • [X]+ years building backend applications in Java.
  • Solid grasp of object-oriented design and core data structures.
  • Experience with Spring or Spring Boot in production.
  • SQL and relational database design, with [PostgreSQL / MySQL / Oracle].
  • Comfort with Git, code review and a CI/CD pipeline.
  • Clear written communication for design docs, PRs and incident notes.

Nice to have

  • Experience with microservices and message queues such as Kafka or RabbitMQ.
  • Exposure to [cloud platform, e.g. AWS, Azure or GCP] and Docker or Kubernetes.
  • Familiarity with [domain, e.g. payments, insurance or logistics].
  • Performance tuning or JVM internals experience.

What we offer

  • [Pay range: e.g. $X–$Y base salary, plus bonus or equity if offered]
  • [Health insurance, learning budget, remote or hybrid flexibility]
  • [Health cover, retirement or pension plan, paid time off, parental leave]
  • [Work authorization: whether you can sponsor a visa or hire through an employer of record]

[Our process: a recruiter call, a take-home or live coding exercise in Java, a system design discussion, and a final interview with the team.]

[Your equal opportunity statement, and how candidates can ask for adjustments during the process]

Put the pay range in the ad. Several US states, including California, Colorado, New York and Washington, require it in job postings, and the EU Pay Transparency Directive gives applicants the right to know the starting pay or its range before the interview.

Java Developer duties by seniority

What the job usually looks like at each level. Pitch the ad at one level and say which in the title.

Junior

  • Implements well-scoped features and fixes under code review.
  • Writes tests for their own code with guidance on edge cases.
  • Learns the codebase, its conventions and the deployment pipeline.

Mid-level

  • Owns features end to end, from design through deployment and monitoring.
  • Reviews others' code and spots design issues before they ship.
  • Debugs production incidents and writes up root causes.

Senior

  • Designs systems and APIs used by multiple teams or services.
  • Sets coding standards and mentors other developers.
  • Leads technical decisions on architecture, scaling and major refactors.

Java Developer career path

  1. Junior Java Developer
  2. Java Developer
  3. Senior Java Developer
  4. Staff Engineer or Engineering Manager

Java developer is a common path from a computer science degree or bootcamp, since the language and Spring ecosystem are widely taught and widely used in enterprise systems. Later moves include backend architecture roles, full-stack or platform engineering, and engineering management.

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Java Developer job description FAQ

What does a Java developer do?

Builds and maintains backend services and APIs in Java, typically with Spring or Spring Boot, writes tests, reviews code and works with a relational database. Many roles also involve debugging production issues and deploying to the cloud.

What skills should a Java developer job description require?

Solid Java and object-oriented design, experience with Spring or Spring Boot, SQL and relational database design, and comfort with Git and CI/CD. Kafka, Docker or Kubernetes experience is useful but better listed as nice-to-have unless the role specifically needs it.

Is Java developer a good entry-level title?

Yes, with a junior qualifier. Java and Spring are widely taught, so many junior developers start here, while senior roles expect ownership of systems, mentoring and architectural decisions.