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Platform Engineer - Voice Interface Infrastructure

United States
Visa Sponsorship Relocation
This Job is No Longer Active This position is no longer accepting applications
AI Summary

Architect and own end-to-end platform systems for Wispr Flow's voice interface, focusing on latency optimization and scalability. Build agentic workflows and abstractions to accelerate product engineering velocity. Requires strong Python/FastAPI, PostgreSQL, Redis, Temporal/SQS, Terraform, and AWS expertise.

Key Highlights
Architect and own whole parts of the platform end to end
Hit P50 latencies of 500ms globally for voice models
Build agentic workflows that speed up the team
Three-person platform team supporting next hundred million users

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Key Responsibilities
Architect and own whole parts of the platform end to end
Take gnarly production problems nobody else has picked up
Make every product engineer faster — dev experience, deploy speed, abstractions
Build the agentic workflows that speed up you and your team
Rewrite entire services to address technical debt
Break prod, see what went wrong, and learn from it
Ship fast with rigorous testing
Solve complex problems with lots of constraints and edge cases
Care about user journey as much as technical requirements

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Technical Skills Required
Python FastAPI PostgreSQL Redis Temporal SQS Terraform AWS

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Benefits & Perks
Equity on employee-friendly terms
Health, dental and vision insurance
401(k) with up to 4% match
16 weeks of paid parental leave
Flexible time off and company holidays
All meals in the office
Commuter benefits
Relocation reimbursement
High-spec laptop, monitor, and microphone
Regular team events and off-sites
Visa sponsorship available

Job Description

We're building the first voice interface a billion people use every day.Our first product, Flow, lets you talk instead of type anywhere on your computer or phone, and turns messy speech into polished text that is ready to send. It's scaled from $2M → $50M in ARR in under 12 months with millions of users and thousands of enterprise customers. Read the master plan →The team is still small enough that every person shapes what gets built.Every time someone talks to Flow, they're waiting — mid-sentence, cursor blinking — for their words to appear. 500ms feels like magic. 1000ms feels annoying. People use Flow hundreds of times a day, and they feel every single request.
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Job Overview
Posted Aug 19, 2026
Employment Full-time
Experience Not Applicable
Location United States
Category Programming
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