Employer profile
Spark Therapeutics
45 certified H-1B filings across 9 fiscal years.
Snapshot year
FY2025 filings
2
FY2025 median
$115k
Top role
Lims Administration Specialist
4 filings · all-time
Top state
PA
44 filings · all-time
Pay distribution
How Spark Therapeutics pays, by fiscal year
Each box is the p25–p75 interquartile range; the heavy line is the median and the whiskers reach p10–p90. Base salary only — hover a year for its figures.
Year-over-year
How Spark Therapeutics hired across H-1B fiscal years. The small figure under each filings count is its change vs the prior FY.
| FY | Filings | Median $ |
|---|---|---|
| FY2025 | 2▼ 80% | $115k |
| FY2024 | 10▲ 400% | $98k |
| FY2023 | 2▼ 50% | $75k |
| FY2022 | 4▼ 43% | $78k |
| FY2021 | 7▼ 36% | $96k |
| FY2020 | 11▲ 120% | $105k |
| FY2019 | 5▲ 150% | $90k |
| FY2018 | 20% | $115k |
| FY2016 | 2— | $98k |
Prevailing wage level distribution
DOL Levels I–IV approximate experience tiers (I = entry, IV = fully competent). A heavy Level I/II skew suggests entry-level / contractor-style hiring; a heavy IV skew suggests senior in-house roles.
Lvl I
37%
Lvl II
1840%
Lvl III
1227%
Lvl IV
1022%
Lvl ?
24%
Top job titles
Most-filed positions, across all years (raw DOL titles).
| Job Title | Filings | Median |
|---|---|---|
| Lims Administration Specialist | 4 | $90k |
| Scientist, Analytical Development | 4 | $98k |
| Senior Research Associate | 3 | $108k |
| Research Associate - Pre-Clinical Bioanalytics | 2 | $80k |
| Research Associate - Vector Production | 2 | $80k |
| Process Development Scientist - Upstream | 2 | $75k |
| Research Scientist/Translational | 2 | $98k |
| Drug Product Development Senior Scientist | 2 | $127k |
| Lead Statistical Programmer | 1 | $148k |
| Head Of Res & Dev Strategic Planning And Operations | 1 | $312k |
Top worksite states
Where this employer files.
| State | Filings | Median |
|---|---|---|
| PA | 44 | $98k |
| DE | 1 | $141k |