Fall 2026

On-device AI Frameworks Engineer Intern

Argmax

Argmax

11-50 employees

Open-source on-device AI inference platform

No salary listed

Palo Alto, CA, USA + 1 more

More locations: Union City, NJ, USA

Hybrid

Three days on-site per week required.

Category
Software Engineering (1)
Required Skills
Kotlin
iOS/Swift
C/C++
Android Development

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Requirements
  • 3-6 months of hands-on experience in SDK or Frameworks development for iOS or Android
  • Familiarity with Swift OR (Kotlin AND C++)
  • Familiarity with profiling and optimizing mobile application
Responsibilities
  • Contribute to SDK and Frameworks implementation: You will help implement new model support ([example](https://www.argmaxinc.com/blog/nvidia-frontier-speech-models-on-argmax-sdk)) and new features ([example](https://www.argmaxinc.com/blog/customize-speech-to-text)) as Argmax SDK grows. You will observe and learn from senior engineers at Argmax as they design the implementation spec that you will work on.
  • Respond to customer issues:You will be one of the first at Argmax to review customer issue reports, ask for supporting information, reproduce the issue, root-cause the issue, and finally propose viable workarounds as well as permanent fixes. Senior engineers at Argmax will support your growth as you learn to tackle this critical responsibility autonomously over time.]
  • desirable-manual-overrode

Argmax enables on-device AI by running foundation models directly on user devices via an open-source platform and SDK, allowing offline, private, real-time, and cost-predictable inference without relying on cloud servers. Its FMOD suite includes WhisperKit Pro for speech-to-text and speaker recognition, and DiffusionKit Pro for running diffusion models, designed to work on a wide range of devices including older models. The company monetizes with Pro and Enterprise plans that use fixed per-device pricing and unlimited usage, targeting developers and enterprises in sectors like social media, gaming, and healthcare. Led by founders with deep Apple experience in on-device inference, Argmax aims to accelerate adoption of edge AI and provide private, secure, reliable, and scalable AI at the device level.

Company Size

11-50

Company Stage

Seed

Total Funding

$8M

Headquarters

Palo Alto, California

Founded

2023

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Simplify Jobs

Simplify's Take

What believers are saying

  • Salesforce Ventures led Argmax's $8 million seed, funding hiring and go-to-market expansion.
  • Superwhisper doubled free-trial conversion after switching onboarding to Parakeet powered by Argmax.
  • WhisperKit Pro and SpeakerKit Pro keep shipping, reinforcing Argmax's open-core developer moat.

What critics are saying

  • Argmax remains speech-focused; Cactus says it lacks LLMs, embeddings, and cloud fallback.
  • Apple Core ML and Meta ExecuTorch commoditize on-device inference, crushing Argmax pricing power.
  • Android GA on March 18, 2026 broadens reach, but Apple dependence still threatens survival.

What makes Argmax unique

  • Ex-Apple founders Atila Orhon, Zach Nagengast, and Brian Keene know Neural Engine optimization.
  • Argmax Pro SDK 2, launched April 7, 2026, adds speakers and custom vocabulary.
  • Detail, Heidi Health, and ModMed use Argmax for on-device transcription and editing.

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Benefits

Health Insurance

401(k) Company Match

Company Equity

Remote Work Options

Hybrid Work Options

Growth & Insights and Company News

Headcount

6 month growth

8%

1 year growth

8%

2 year growth

8%
Salesforce Ventures
Feb 9th, 2026
Welcome, Argmax! | Salesforce Ventures

Foundation models on device.