The Java developer market is broad and moves more than most IT markets, but most of it does not carry Java in its job title. An employer who advertises for a "Java developer" reaches a small part of the people who can do the work. The rest call themselves backend developer or software engineer, and they have to be found by their skills and approached directly.
A broad population behind other titles
We measured the market in LinkedIn Talent Insights with a broad and a narrow measurement. The broad measurement takes software engineers, backend developers, full stack developers and Java developers who list Java as a skill. The narrow measurement takes only the titles with Java in the name. The broad group is far larger than the narrow one. CBS figures on software and application developers, a group that has grown strongly since 2013, confirm that this is one of the largest occupational groups in Dutch IT.
For an employer, the gap between those measurements is the point. The developer who builds your backend in Java most likely has a profile that says "software engineer". A job title filter misses that person.
Java developers move more than architects
Compared with IT architects, Java developers change roles more often and stay in a role for a shorter time. That is good news for an employer: the market is not frozen, and people who are open to a move exist at any moment. It also means competition. A developer who is open to a move is talking to other employers at the same time, and a slow process loses that developer.
The broad group moves more than the narrow group. Developers with a generic title switch more easily between companies and sectors. Those with Java in the title tend to stay longer, often in large organisations with long-running systems.
Few vacancies carry Java in the title
Only a small share of open vacancies has Java in the title, set against a population that is far larger. Most Java work is posted under a different name. That cuts both ways. Candidates who filter on "Java" miss most of the roles, and employers who write "Java developer" miss most of the candidates.
What this does not show
Talent Insights counts profiles, not people, and not every developer keeps a LinkedIn profile up to date. A listed skill says nothing about depth. Vacancy counts are a snapshot from September 2026 and move with the season. Our classification of titles into broad and narrow is a choice; a different set of titles would give different sizes, though the gap between the groups would remain. CBS uses its own occupational definitions, which do not map exactly onto LinkedIn titles.
What you can do
- Title the vacancy after the work: backend developer or software engineer, with Java and the framework in the first lines.
- Describe the system, its scale and the problem it solves. That is what an experienced developer reads for.
- Approach developers by skill, not by title. Most of the people who fit never see a vacancy with Java in the name.
- Consider developers from Kotlin or Scala. They work on the same platform and pick up your codebase quickly.
- Keep the process short. In a market that moves, the employer who decides within days wins the candidate.
- Test Java depth in the interview with your own code, not with a title on a CV.
More on this field: Software Engineering.