Senior AI Engineer

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. Requirements 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. Benefits Compensation and benefits - Base salary: USD 200,000 to 250,000 per year - Equity Location and work model - New York, NY, United States - On-site, at least 4 days per week in the office - Full-time