Harper
Senior Member of Technical Staff, Voice
San Francisco · Staff+ · full-time
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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
$23,149 more — $193,149 — 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 $193,149 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 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
- It's a core system that powers sales, operations, and customer service.
- We need to scale from hundreds of calls to thousands.
Responsibilities
- Build outbound at scale - Lead qualification agents calling thousands of prospects daily
- Create inbound customer service - 24/7 agents handling policy questions, certificate requests, claims
- Build platform infrastructure - Move to custom infrastructure; sub-700ms latency; 10,000+ concurrent calls
- Design systems that compound - Every conversation becomes structured decision traces
Requirements
- 3-6 years software engineering experience
- Production voice AI experience at scale
- Deep knowledge of voice infrastructure and real-time systems
- Experience with latency optimization
- You know both fast deployment (VAPI, Retell) and custom infrastructure (Pipecat, LiveKit)
Nice to have
- Telephony background (SIP/RTP)
- Experience with specific platforms (VAPI, Retell, Pipecat, LiveKit)
- Prior startup experience
Compensation
- $170,000-$275,000 + performance bonuses & equity
Benefits
- Health, dental, and vision insurance
- Commuter benefits
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.