SkillTrendLab
Skill · Languages

C

The base language of firmware and embedded systems.

12.3%
of core AI postings mention it
433
postings
222
companies
30-day change · from 2nd edition

Which roles ask for it

Share of each role's postings that mention this skill.

  1. 139 postings
    43.3%
  2. 33.6%
  3. 27.6%
  4. AI Researcher
    12 postings
    20.0%
  5. MLOps / Platform Engineer
    5 postings
    13.2%
  6. 168 postings
    9.7%
  7. 6.3%
  8. 4.0%
  9. 6 postings
    4.0%
  10. 0.3%

Skills that appear with it

Share of the postings mentioning C that also mention each skill.

  1. Languages
    93.1%
  2. Languages
    73.7%
  3. Machine learning
    37.2%
  4. Machine learning
    36.7%
  5. DevOps
    32.8%
  6. Domain knowledge
    31.6%
  7. Methods and process
    30.7%
  8. Frameworks
    30.3%
  9. Machine learning
    29.8%
  10. Methods and process
    29.1%
  11. Frameworks
    27.9%
  12. LLM applications
    21.0%

Industries and places

Share of this skill's postings.

Industry
  1. Semiconductor
    121
    27.9%
  2. Electronics & Hardware
    121
    27.9%
  3. Software & Internet
    84
    19.4%
  4. Professional Services
    44
    10.2%
  5. Manufacturing
    29
    6.7%
  6. Telecom, Media & Digital Content
    14
    3.2%
  7. Healthcare & Biotech
    8
    1.8%
  8. Wholesale, Retail & E-commerce
    5
    1.1%
  9. Finance & Insurance
    5
    1.1%
  10. Government & Nonprofit
    2
    0.5%
Place
  1. Taipei
    111
    25.6%
  2. Hsinchu City
    88
    20.3%
  3. Hsinchu County
    75
    17.3%
  4. New Taipei
    65
    15.0%
  5. Taichung
    23
    5.3%
  6. Taoyuan
    22
    5.1%
  7. Tainan
    19
    4.4%
  8. Miaoli
    14
    3.2%
  9. Kaohsiung
    8
    1.8%
  10. Changhua
    2
    0.5%
  11. Yilan
    1
    0.2%
  12. Keelung
    1
    0.2%

Where this number is read from

Of the 433 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.

  1. Employer's skill tags
    228
  2. Job title
    3
  3. Job description
    310
The data on this page
Data as of
September 11, 2026
Core AI postings this edition
3,523
Method version
2026.09.1

This page is not indexed yet: change needs a second edition.