Java
A mainstay of enterprise backends.
- 8.0%
- of core AI postings mention it
- 282
- postings
- 188
- companies
History starts on September 11, 2026. Movement needs a comparable later edition at least 30 days on.
Where it is mentioned most
Each row divides by that role's postings in this edition, highest share first.
Postings in 10 role families mention Java in this edition.
None of the 8 role families with a page of their own mentions Java in one posting in five or more.
No role family with a page of its own mentions Java at twice its share of all core AI postings or more.
How the readings are made: "more concentrated than overall" means that in a role family with a page of its own, at least 10 postings mention the skill and its share is at least 2 times its share of all core AI postings; "common" means at least 20% of a role's postings mention it. They describe the postings open in this edition, not a trend.
- MLOps / Platform Engineer15.8%6 of 38 postings · Sample below the page threshold; not read
- AI Engineer10.3%179 of 1,741 postings
- 23 of 225 postings
- Data Scientist9.9%15 of 151 postings
- 6 of 113 postings
- AI Researcher5.0%3 of 60 postings · Sample below the page threshold; not read
- 15 of 321 postings
- 8 of 175 postings
- 8 of 305 postings
- 2 of 123 postings
Skills that appear with it
Each share divides by the postings that mention Java: how many of them also mention each skill, grouped into three lenses.
Foundations and problem-solving
Categories: Languages, Machine learning, Data engineering, Databases, Methods and process
- Python79.1%Languages · 223 postings
- System Architecture52.1%Methods and process · 147 postings
- C++31.6%Languages · 89 postings
- SQL30.9%Languages · 87 postings
- C#30.1%Languages · 85 postings
- Relational Databases29.8%Databases · 84 postings
- Machine Learning29.8%Machine learning · 84 postings
- REST API28.7%Methods and process · 81 postings
Production and delivery
Categories: DevOps, Cloud, Tools
Framework, LLM and domain signals
Categories: Frameworks, LLM applications, Domain knowledge, Office software
Industries and places
Share of this skill's postings.
- Software & Internet10236.2%
- Electronics & Hardware7627.0%
- Semiconductor2910.3%
- Finance & Insurance196.7%
- Telecom, Media & Digital Content113.9%
- Manufacturing103.5%
- Professional Services103.5%
- Wholesale, Retail & E-commerce93.2%
- Healthcare & Biotech72.5%
- Construction & Real Estate62.1%
- Consulting & Marketing Services31.1%
- Taipei12544.3%
- New Taipei4114.5%
- Taichung269.2%
- Hsinchu City238.2%
- Taoyuan227.8%
- Hsinchu County207.1%
- Kaohsiung165.7%
- Tainan20.7%
- Changhua20.7%
- Miaoli10.4%
- Pingtung10.4%
- Chiayi City10.4%
Where this number is read from
Of the 282 postings, how many were found through the employer's own skill tags, the title, and the job description. A posting can carry more than one kind of evidence, so the three add up to more than the posting count.
- Employer's skill tags157
- Job title11
- Job description191