AI/ML Harness Engineer

Karumi
New York, Madrid
Full timeUSD 80 - 170 annuallyFunction: Data Science & Machine LearningSkills: []

Build production-ready AI agents that connect voice interaction, browser automation, and large language models. You’ll design speech-to-text and text-to-speech systems, create browser agents that understand and control web apps, and engineer LLM prompt/workflow systems for reliable behavior. Own real-time AI pipelines, evaluation frameworks for voice and agent performance, and production observability—shipping working features that improve how users interact with software.

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FursaFursa
Karumi
Karumi
9 months ago

AI/ML Harness Engineer

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Source: Company careers pageValidated by: Fursa AI
Last checked: 12 hours agoStatus: Live

Job Summary

Build production-ready AI agents that connect voice interaction, browser automation, and large language models. You’ll design speech-to-text and text-to-speech systems, create browser agents that understand and control web apps, and engineer LLM prompt/workflow systems for reliable behavior. Own real-time AI pipelines, evaluation frameworks for voice and agent performance, and production observability—shipping working features that improve how users interact with software.
Location: New York, Madrid
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Entry level

Key Responsibilities

  • •Build and optimize voice AI systems using speech-to-text and text-to-speech models.
  • •Design browser agents that navigate, understand, and interact with web applications.
  • •Implement browser automation using computer vision and DOM understanding.
  • •Engineer prompt systems and LLM workflows for consistent, intelligent behavior.
  • •Create evaluation frameworks and manage AI pipelines/infrastructure for low-latency, reliable production performance.

Pay and Benefits

Salary: USD 80 - 170 annually
Equity and Bonus:Equity
Perks:EquityGym Membership

Key Requirements

  • •Production experience with LLMs (OpenAI, Anthropic, or open-source models).
  • •Hands-on speech AI experience with STT/TTS systems like Deepgram, ElevenLabs, or Whisper.
  • •Experience with browser automation (Playwright, Puppeteer, Selenium) and/or computer vision for UI understanding.
  • •Strong Python skills, including async programming and real-time systems work.
  • •Understanding of prompt engineering, retrieval systems, and agent frameworks; ability to debug complex AI behaviors and build observability.
Experience:AI systemsMachine learning
Tech Stack:PythonOpenAIAnthropicDeepgramElevenLabsWhisperPlaywrightPuppeteerSelenium

Eligibility

Work Authorization:Sponsorship available.

Company Brief

Karumi
Builds AI-driven solutions and autonomous agents to help businesses automate workflows, analyze data, and deploy machine learning models. Provides engineering, platform tools, and consulting to integrate AI capabilities into enterprise applications and products.
Industry: AI & Machine Learning
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