Harper
Platform Engineer
San Francisco
Stay score
odds of building a lasting career here
Sponsors, but it's cap-subject — you still face the weighted lottery (~61% per draw at Level IV). 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
$25,131 more — $165,131 — moves this role to Level II and 2 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 $165,131 would place this position at wage Level II. That figure is within the posted range, and I'd like to target it. This role classifies under "Software Developers" for prevailing-wage purposes.
DOL prevailing wage, 2026-27 wage year · Software Developers (15-1252) · 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.
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About the role
- You're an infrastructure-focused engineer with depth across databases, AWS, networking, observability, SRE, CI/CD, and AI tooling.
- We are hiring platform engineers across all levels, which we determine during the interview process.
Responsibilities
- Own core infrastructure - Databases, AWS services, networking, CI/CD
- Build for scale - Thousands of concurrent AI operations, sub-second response times, cost-effective under load
- Design observability that works - System-level errors AND business-level silent-failure detection
- Own reliability end-to-end - SLOs, on-call, incident response, and the post-mortems that make it rarer next time
- Build the eval infrastructure - Systems that measure whether AI outputs are getting better, not just running
Requirements
- Software engineering experience with a platform, infrastructure, or SRE focus (level determined during interviews)
- Proficiency in Python, TypeScript, Go, or similar
- Production experience with cloud infrastructure (AWS), databases (Postgres), and observability tooling
- You have depth across at least two of: databases, cloud infrastructure (AWS), networking, observability, or CI/CD
Nice to have
- Experience orchestrating AI/ML workloads at scale (agent frameworks, LLM inference infrastructure)
- Voice AI or real-time systems experience
- Prior startup experience-especially at companies that scaled through hypergrowth
- Based in SF or willing to relocate.
- Schedule: Monday-Friday, very early morning start, in-office five days a week.
- breakfast, lunch, and dinner provided
- snacks, drinks, and coffee daily
Compensation
- $140,000-$280,000 depending on experience + performance bonuses & equity
Benefits
- Uber commuter benefits; breakfast, lunch, and dinner provided; snacks, drinks, and coffee daily; free gym membership; health, dental, and vision insurance.
Company info
- We're adding ~1,000 customers per month.
- We're looking to do even more this year-and that's why we're hiring.
This listing is sourced directly from Harper's careers page and normalized into a canonical job model.