data preprocessing jobs in 2026 — demand, top roles hiring, and related skills
As of 2026-07-01, data preprocessing appears in 385 job postings indexed by Skillenai over the past 90 days — most often required for Machine Learning Engineer roles, with demand down 16% vs the prior 4 weeks.
Last updated · 90d ending 2026-07-01
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Frequently asked questions about data preprocessing
+Is data preprocessing in demand in 2026?
Yes. data preprocessing appears in 385 job postings indexed by Skillenai over the 90 days ending 2026-07-01, with demand down 16% vs the prior 4 weeks. It is most often required for Machine Learning Engineer roles (14% of Machine Learning Engineer postings list it).
+What jobs require data preprocessing?
According to the Skillenai jobs index over the 90 days ending 2026-07-01, the job titles most likely to require data preprocessing are Machine Learning Engineer (14% of postings list data preprocessing), Data Scientist (13% of postings list data preprocessing), ML Engineer (9% of postings list data preprocessing).
+What skills are commonly paired with data preprocessing?
Across job postings indexed by Skillenai (90 days ending 2026-07-01), data preprocessing most often appears alongside Python, machine learning, PyTorch, TensorFlow, model evaluation.
+Where is data preprocessing most in demand?
As of 2026-07-01, the metro areas posting the most jobs requiring data preprocessing are San Francisco, London, Hyderabad, Delhi, Seattle, 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 |
|---|---|---|
| Machine Learning Engineer | 54 | 14.0% |
| Data Scientist | 50 | 13.0% |
| ML Engineer | 33 | 8.6% |
| AI Engineer | 20 | 5.2% |
| AI Data Specialist | 16 | 4.2% |
| AI Evaluation Specialist | 16 | 4.2% |
| Software Engineer | 15 | 3.9% |
| Data Engineer | 10 | 2.6% |
| Research Engineer | 7 | 1.8% |
| AI/ML Engineer | 6 | 1.6% |
Top metros hiring for data preprocessing
| Name | Postings | Share |
|---|---|---|
| San Francisco | 13 | 3.4% |
| London | 11 | 2.9% |
| Hyderabad | 9 | 2.3% |
| Delhi | 8 | 2.1% |
| Seattle | 8 | 2.1% |
| Colorado Springs | 6 | 1.6% |
| Shanghai | 6 | 1.6% |
| Singapore | 6 | 1.6% |
| Bellevue | 5 | 1.3% |
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 2026-07-01. 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
- 2026-07-01
- 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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