# Machine Learning Performance Engineer
> **LCA (H-1B / H-1B1 / E-3)** labor certification — `I-200-26008-543158` · Certified · decided 2026-01-14
## Employer
- **Name:** Optiver Services US LLC
- **Location:** Chicago, IL, UNITED STATES OF AMERICA
- **FEIN:** 84-4498918
- **NAICS:** 523160
## Job
- **Title:** Machine Learning Performance Engineer
- **SOC:** 15-2051.00 — Data Scientists
- **Workers requested:** 1
- **Worksite:** New York, NY
- **Employment period:** 2026-03-16 → 2029-03-15
## Wage
- **Offered:** $200,000 per year
- **Prevailing wage:** $139,506 per Year
- **Wage level:** Level III
## Representation
- **Attorney:** Laura Bloniarz
- **Firm:** Wolfsdorf Rosenthal LLP
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*Source: [DOL OFLC](https://www.dol.gov/agencies/eta/foreign-labor/performance) · MORVS · CC0 1.0*