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Phonic

Phonic

Develops advanced digital audio technologies

Member of Technical Staff

Full-Time
No salary listed
Mid
Bachelor's, Master's, PhD
San Francisco, CA, USA
In Person

About the job

Requirements
  • A bachelor's degree or higher in Computer Science from a top university.
  • A proven track record of building and shipping production systems.
  • Demonstrated ability or strong interest in working across platform engineering, research, frontend, backend, infrastructure, and the interfaces between them.
  • Strong engineering fundamentals, including writing clean, testable, and maintainable code.
  • The ability to take ambiguous problems through to shipped solutions without a fully scoped specification.
  • The ability to ship, learn, and iterate quickly rather than overplanning.
  • The ability to work autonomously with substantial scope and minimal oversight.
  • Experience using modern artificial intelligence tooling, including coding agents and large language model application programming interfaces.
  • The ability to work across the full range of voice artificial intelligence development, from platform and infrastructure engineering to applied research.
Responsibilities
  • Own problems end-to-end, from architecture and design through production shipping and iteration.
  • Work across the stack as needed, including platform and infrastructure engineering, backend services and application programming interfaces, product surfaces, and applied research.
  • Partner directly with research and machine learning teams to translate frontier voice artificial intelligence capabilities into reliable, production-grade systems.
  • Help establish technical standards and practices for the team.
  • Work in areas aligned with individual strengths and interests, including infrastructure, research prototypes, and customer-facing features.
Desired Qualifications
  • Experience with real-time or streaming systems, including WebSockets, WebRTC, and audio or media pipelines.
  • Experience at an early-stage startup where you helped establish technical standards.
  • Familiarity with voice, telephony, or conversational artificial intelligence products.
  • Experience as a founder or technical lead.

About the company

Phonic develops digital sound technologies and audio products and services for a broad range of clients, including businesses and individuals, based in San Francisco. Its offerings are built around advanced audio solutions—encompassing hardware and software—that are delivered through direct sales and contractual agreements rather than through a single product line. The company differentiates itself by pursuing ongoing exploration in digital sound and by providing customized audio capabilities tailored to client needs, aiming to expand how sound is used and experienced across various industries. Phonic’s goal is to extend and redefine audio capabilities, enabling more sophisticated and capable sound experiences.

Company Size

11-50

Company Stage

Seed

Total Funding

$4M

Headquarters

San Francisco, California

Founded

N/A

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Simplify's Take

What believers are saying

  • Phonic's April 2025 launch and Lux-led funding validate investor conviction.
  • Its July 2026 docs show self-serve pricing, signaling product maturity and adoption.
  • Design partners in healthcare and insurance target high-value workflows like scheduling and claims.

What critics are saying

  • Phonic is still seed-stage after April 2025's $4 million round.
  • OpenAI, Google, and ElevenLabs can bundle voice stacks faster than Phonic ships.
  • Healthcare and insurance sales cycles delay revenue; one weak reliability incident kills renewals.

What makes Phonic unique

  • Phonic sells end-to-end speech-to-speech voice agents, not a stitched-together toolkit.
  • It offers 300ms latency, observability, and adaptive decision-making for live conversations.
  • It supports cloud API and on-prem deployment for regulated healthcare and insurance buyers.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Meal Benefits

Company Social Events

401(k) Retirement Plan

Growth & Insights and Company News

Headcount

6 month growth

5%

1 year growth

5%

2 year growth

17%
Modal
Apr 17th, 2025
Product updates: Running batch jobs with 1M inputs, ephemeral apps, and a new TensorRT-LLM example

Phonic launched their new voice AI platform, with Modal enabling low-latency inference and massively parallel job processing.

FinSMEs
Apr 3rd, 2025
Phonic Raises $4M in Funding

Phonic raises $4M in funding.

PR Newswire
Apr 3rd, 2025
Phonic Raises $4M for Voice AI Platform

Phonic has launched an end-to-end speech-to-speech platform for building reliable voice agents and announced a $4M funding raise from investors including Lux Capital and AI leaders. The platform unifies voice generation, recognition, and interaction, offering 300ms end-to-end latency and an intelligent decision system that adapts to dynamic conversations. It aims to overcome reliability issues in voice AI, with applications in healthcare and insurance for tasks like appointment scheduling and claims processing.

TechCrunch
Apr 3rd, 2025
Voice AI platform Phonic gets backing from Lux | TechCrunch

Voice AI platform Phonic has attracted backing from Lux Capital and a number of other notable VCs and angels.

Venture Capital
Apr 3rd, 2025
Phonic Secures $4M Funding Round from Prominent Investors

Phonic, a pioneering platform for lifelike conversational voice agents, has secured a $4 million funding round from Lux Capital and influential figures in the AI industry.