Principal Research Scientist I
DataWorcester1 weeks ago
Company identity and hiring signals verified from public source listings
Observed daily snapshots
Latest: 1,416 roles
Observed active listings increased from 44 to 1,416 across 13 snapshot days. Missing days are left as gaps and are not estimated.
| Date | Active listings |
|---|---|
| 2026-08-31 | 44 |
| 2026-09-01 | 60 |
| 2026-09-02 | 1,233 |
| 2026-09-03 | 1,227 |
| 2026-09-04 | 1,363 |
| 2026-09-05 | 1,367 |
| 2026-09-06 | 1,358 |
| 2026-09-07 | 1,359 |
| 2026-09-08 | 1,391 |
| 2026-09-09 | 1,414 |
| 2026-09-10 | 1,414 |
| 2026-09-12 | 1,404 |
| 2026-09-14 | 1,416 |
Listing recency
Source observation shows when Base Career last saw listings at their source. It does not mean every listing was revalidated within the last 24 hours.
Based on n=1,416 classified listings
Based on n=1,416 classified listings
Based on n=228 classified listings
Based on n=1,416 classified listings
| Seniority | Median range | Sample |
|---|---|---|
| Senior | USD 132K–USD 238K / yearly | n=137 |
| Entry | USD 82K–USD 152K / yearly | n=12 |
| Mid | USD 79K–USD 193K / yearly | n=12 |
| Senior | GBP 58K–GBP 110K / yearly | n=6 |
Verified active listings
DataWorcester1 weeks ago
OtherIrvine1 weeks ago
OtherFlorham Park1 weeks ago
HrChicago1 weeks ago
DataMettawa1 weeks ago
OtherSouth Bend1 weeks ago
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SoftwarePortsmouth1 weeks ago
OperationsChicago1 weeks ago
OtherMettawa1 weeks ago
OtherFlorham Park1 weeks ago
OtherIrvine1 weeks ago
OtherPensacola1 weeks ago
OtherChicago1 weeks ago
DataFlorham Park1 weeks ago
OtherMettawa1 weeks ago
OtherChicago1 weeks ago
OtherChattanooga1 weeks ago
OtherIrvine1 weeks ago
EngineeringWaco1 weeks ago
Global biopharmaceutical company discovering and delivering innovative medicines.