Mainspring Energy
Senior Software Engineer in Test
Menlo Park, CA · Senior
Stay score
odds of building a lasting career here
Sponsors, but it's cap-subject — you still face the weighted lottery (~45% per draw at Level III). Good if you win; have a cap-exempt backup on your list.
Lottery odds assume a STEM candidate.
Personalize to your clock →H-1B wage level
the lottery is wage-weighted — each level is one more entry
$1,344 more — $136,344 — moves this role to Level III and 3 lottery entries. That figure is inside the range the employer already advertised.
Based on the DOL prevailing wage for this occupation and worksite, a base salary of $136,344 would place this position at wage Level III. That figure is within the posted range, and I'd like to target it. This role classifies under "Software Quality Assurance Analysts and Testers" for prevailing-wage purposes.
DOL prevailing wage, 2026-27 wage year · Software Quality Assurance Analysts and Testers (15-1253) · San Francisco-Oakland-Fremont, CA. Wage level is derived by USCIS from the offered wage, occupation and worksite; the occupation shown is inferred from the job title.
Employer immigration record
from this employer's Department of Labor filings
Files H-1B transfers
Sourced from Department of Labor LCA, PERM and prevailing-wage disclosure data. Employer matching is by name, so figures may be split across an employer's legal entities. Absence of a filing means none appears in our copy of the data, not that none exists.
Community outcomes
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About the role
- The company began commercial shipments of its Mainspring Linear Generators in 2020 and today has hundreds of megawatts in advanced development and field operations for leading Fortune 500 companies, data centers, and utilities.
- This cornucopia of science and technology will be your daily career at Mainspring.
Requirements
- Does your experience not meet all of our posted requirements?
- Studies have shown that some people are less likely to apply to positions unless they meet every listed requirement.
- Mainspring can sometimes be flexible enough to shift responsibilities for the right person, or otherwise identify open or upcoming roles that may better fit your professional background.
- In more traditional words, Mainspring Energy, Inc is an Equal Opportunity Employer.
- All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.
- This compensation and benefits information is based on Mainspring Energy's estimate as of the date of publication and may be modified in the future.
- We generally do not negotiate on salary once we have made an offer.
- The level of pay within the range will depend on a variety of job-related factors that may include location, relevant prior experience and/or education, or particular skills and expertise.
- New hires joining the company tend to be paid within the starting base pay range noted above, with opportunities to increase pay over time based on development of additional skills, competencies, and company-specific knowledge.
Skills
- Pragmatic Optimism
- Excellence without Ego
- Proactive Collaboration
Compensation
- This compensation and benefits information is based on Mainspring Energy's estimate as of the date of publication and may be modified in the future.
- We generally do not negotiate on salary once we have made an offer.
- The level of pay within the range will depend on a variety of job-related factors that may include location, relevant prior experience and/or education, or particular skills and expertise.
- New hires joining the company tend to be paid within the starting base pay range noted above, with opportunities to increase pay over time based on development of additional skills, competencies, and company-specific knowledge.
Benefits
- Mainspring can sometimes be flexible enough to
Company info
- This is an exciting opportunity to become part of a rapidly growing engineering team.
This listing is sourced directly from Mainspring Energy's careers page and normalized into a canonical job model.