data preprocessing jobs in 2026 — demand, top roles hiring, and related skills
As of 2026-09-08, data preprocessing appears in 415 job postings indexed by Skillenai over the past 90 days — most often required for Data Scientist roles, with demand up 87% vs the prior 4 weeks.
Last updated · 90d ending 2026-09-08
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Frequently asked questions about data preprocessing
+Is data preprocessing in demand in 2026?
Yes. data preprocessing appears in 415 job postings indexed by Skillenai over the 90 days ending 2026-09-08, with demand up 87% vs the prior 4 weeks. It is most often required for Data Scientist roles (16% of Data Scientist postings list it).
+What jobs require data preprocessing?
According to the Skillenai jobs index over the 90 days ending 2026-09-08, the job titles most likely to require data preprocessing are Data Scientist (16% of postings list data preprocessing), Machine Learning Engineer (15% of postings list data preprocessing), ML Engineer (6% of postings list data preprocessing).
+What skills are commonly paired with data preprocessing?
Across job postings indexed by Skillenai (90 days ending 2026-09-08), data preprocessing most often appears alongside Python, machine learning, PyTorch, TensorFlow, SQL.
+Where is data preprocessing most in demand?
As of 2026-09-08, the metro areas posting the most jobs requiring data preprocessing are Singapore, New York City, London, San Francisco, Mountain View, according to the Skillenai jobs index.
+How can I keep up with new data preprocessing content and jobs?
Skillenai indexes news, blog posts, and research papers mentioning data preprocessing alongside the jobs index. You can subscribe to a daily email digest of new data preprocessing content from your Skillenai account.
Weekly job postings requiring data preprocessing — last 90 days
Salary distribution
Box = 25th–75th percentile · tick = median · whisker = 10th–90th · USD, annualized
Job titles most likely to require data preprocessing
| Role | Postings mentioning | % requiring |
|---|---|---|
| Data Scientist | 67 | 16.1% |
| Machine Learning Engineer | 63 | 15.2% |
| ML Engineer | 27 | 6.5% |
| AI Engineer | 23 | 5.5% |
| AI Evaluation Specialist | 23 | 5.5% |
| Software Engineer | 22 | 5.3% |
| Data Analyst | 13 | 3.1% |
| AI Data Specialist | 11 | 2.7% |
| Research Engineer | 8 | 1.9% |
| Speech AI Evaluation Specialist | 8 | 1.9% |
Top metros hiring for data preprocessing
| Name | Postings | Share |
|---|---|---|
| Singapore | 13 | 3.1% |
| New York City | 11 | 2.7% |
| London | 10 | 2.4% |
| San Francisco | 10 | 2.4% |
| Mountain View | 9 | 2.2% |
| Toronto | 9 | 2.2% |
| Bengaluru | 7 | 1.7% |
| Delhi | 7 | 1.7% |
| Paris | 5 | 1.2% |
Skills commonly paired with data preprocessing
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How this was computed
Counts derive from the Skillenai jobs index over the 90 days ending 2026-09-08. Skills are resolved against the Skillenai canonical taxonomy, so the same entity is counted whether a posting writes 'Python', 'Python 3', or 'python'. Pages refresh weekly (or daily for the top-50 most-requested skills).
- source
- Skillenai jobs index, deduplicated daily
- entity_id
- 92ec55956bc9effe
- data_as_of
- 2026-09-08
- window_days
- 90
The demand, skills, and geo numbers on this page come from the same Skillenai labor market index that powers our API. Use it for compensation benchmarking, hiring-competition analysis, and skill-adoption tracking.
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