Synced from Ashby · Jan 28

Staff Engineer

Aqua VoiceSan FranciscoPosted Jan 28, 2026
Software EngineerOn-siteStaff
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Mirrored from Aqua Voice's own Ashby careers system · refreshed hourly

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Jan 28
Posted
Ashby
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Job description

About Us

Aqua Voice is building the voice input layer for the age of AI. We train our own models and build deep OS integrations because doing voice well requires controlling the entire stack.

The way people work is changing. IC work is over; you manage AI agents now. This type of work is wonderfully suited for voice.

We aren't building conversational agents. We believe the most natural way to interact with your computer is voice in text out (VITO). We believe that voice belongs at a level above the application, and that a small company can win by pushing the envelope.

We are applying relentless energy to this opportunity and the results so far have been good. We hope you will join us.

The Role

You will own technical systems across the stack. We're a small team, post-product-market-fit, and growing. We have real users and real problems.

We prefer modern tools—Bun over Node, Fly over AWS when it makes sense, PyTorch over legacy ML frameworks.

The Work

GPU inference: We run our own ASR models.

Real-time transcription: WebSocket state machines, multi-provider failover, sub-100ms latency targets. We track 30+ metrics per session.

Native apps: Swift on macOS, C# on Windows, Electron IPC. System-level programming.

Backend: Django for billing and analytics (oops). Celery for background jobs. PostgreSQL.

There are no separate infrastructure and product teams. You will work on all of it.

Stack

- Languages: TypeScript, Python, Swift, C#

- Runtime: Bun, Node.js, Django, FastAPI

- ML: PyTorch

- Infra: Fly.io, Terraform, AWS (RDS), Redis

- Protocols: gRPC, WebSocket, REST

What We're Looking For

- Experience building and operating systems at scale

- Strong opinions about architecture, loosely held

- Comfortable being the most senior technical person in the room

- Able to take vague problems and ship working systems

- Code that survives production

View original posting on Ashby

What applying to Aqua Voice usually looks like

Based on publicly available information, candidates applying through Ashby can generally expect a streamlined online application involving a resume submission and possibly a short questionnaire or work samples, depending on the role, such as those at Aqua Voice. The process typically includes an initial screening, which may be conducted by a recruiter or hiring manager, followed by one or more interview stages that could involve technical assessments, portfolio reviews, or role-specific exercises for positions like engineering or sales. Communication is often handled through automated updates within the Ashby platform, though response times vary by company and role. Candidates may also encounter take-home assignments or case studies, particularly for technical or customer-facing roles. Overall, the process tends to emphasize efficiency and clarity, though specific steps and timelines can differ based on the position and team involved.”}]}**

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Staff Engineer
Aqua Voice · San Francisco
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