Senior Software Engineer - Startups
Fonzi AI - New York City Metropolitan Area
Hiring: Senior Software Engineer - Startups Company: Fonzi AI Location: New York City Metropolitan Area Job Posted Time: 2026-09-16 15:59:19 Employment Type: Full-time Target Skills & Keywords: AI-powered products, retrieval, memory, agent frameworks, context engineering, eval pipelines, LLMs, agentic systems, RAG pipelines, multi-agent orchestration, tool-calling, reasoning capabilities, eval and safety infrastructure, full-stack AI applications, software engineering fundamentals Experience: - 2–8 years of experience - Ideally experience at at least one high-growth company - Built AI-powered products end-to-end — not just prototypes, but systems handling real users - Thrive in startup environments where the problem is ambiguous and the team is small Required Skills: - Ability to talk fluently about retrieval, memory, agent frameworks, context engineering, eval pipelines, and other cutting-edge topics - Strong software engineering fundamentals combined with deep awareness of the frontier of LLMs and agentic systems - Experience building production RAG pipelines, multi-agent orchestration systems, and full-stack AI applications Qualifications: - Engineers who have built with AI out of genuine passion - Strong communication skills, cultural fit, and genuine curiosity about AI - Comfortable with architecture thinking and designing AI systems for real problems - Open to coding or pairing sessions Compensation: - $200,000 – $400,000+ base salary depending on experience and role - Many positions include meaningful equity at pre-seed through Series B stage companies Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don’t miss this opportunity to join a forward-thinking team!