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LinkedIndavid@raydar.xyz

Senior AI Engineer

Fast-growing software company

  • LocationNew York
  • TypeFull-time
  • Posted15 October 2026

The role, as published

About the company

Our client is a fast-growing software company.

The role

Raydar is recruiting for this role on behalf of our client. Lead the technical direction of an AI-driven conversational product, shaping architecture, model selection and how quality is measured. Deliver production features across the stack while collaborating closely with early users and engineering leadership.

What you'll do

  • Build the reasoning, tool-calling and memory layers of an AI agent, including graceful recovery when live interactions go off script within strict latency budgets.
  • Create evaluation pipelines and data workflows that convert real conversation logs into steady, measurable gains, adding fine-tuning where it pays off.
  • Strengthen the dependability of browser-based automation that runs during live sessions.
  • Deliver full-stack features using TypeScript and Node.js.
  • Partner with early customers to refine the product based on their feedback.
  • Choose which models and techniques to adopt, weigh build versus buy decisions, and plan the next set of capabilities.

What we're looking for

  • Around 3 to 7 years of engineering experience, with a track record of taking AI agents from concept through to production.
  • Prior hands-on work at a company in conversational AI, AI-driven sales, browser agents or a comparable fast-moving AI area.
  • A minimum of one year working on low-latency, streaming or live audio systems.
  • Background building interactive, real-time software or automation agents.
  • Accountability for the whole agent lifecycle, including quality evaluation, monitoring and cost control.
  • Strong command of modern JavaScript-based web development, especially TypeScript and Node.js.
  • A computer science degree is preferred, though candidates from math, physics, engineering or other technical backgrounds are welcome.

Bonus points

  • Familiarity with browser automation tooling.
  • Past experience as a startup founder or founding engineer.
  • An entrepreneurial mindset.

Location and work model

  • New York, NY, United States
  • On-site, at least 4 days per week in the office
  • Full-time

Compensation, as the posting describes it

  • Equity

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