Senior Software Engineer, R&D
Senior engineer on the R&D team building production infrastructure for LLM agents, browser agents, and self-improving harnesses. Owns the full lifecycle from research through customer delivery.
Senior Software Engineer - Product
Senior Product Engineer owns end-to-end feature development from backend services to AI-powered user experiences, iterates based on customer feedback, and collaborates with product and GTM teams. Requires 4-6 years full-stack experience and familiarity with AI/LLMs.
170k – 250kNew York, NYFullstack EngineeringOnsite4+ YOE
About the role
What You'll Do
- Own feature development from backend services to AI-powered user experiences.
- Turn customer feedback into product improvements through rapid iteration and experimentation.
- Collaborate closely with Product, Customer Success, and GTM teams to align engineering decisions with business outcomes.
- Hold a high bar for code quality; testing, monitoring, and reliability are second nature.
- Prioritize ruthlessly and navigate changing requirements with autonomy.
What You'll Bring
- 4-6 years of full-stack engineering experience (we also welcome exceptional new grads with meaningful projects or internships).
- Strong familiarity with AI, LLMs, or AI-assisted systems or a willingness to learn fast.
- Outcome-driven mindset: you measure success in impact, not just shipped features.
- Comfortable collaborating across engineering, product, and customer-facing teams.
- Low ego, high energy, resilient in a fast-paced environment.
Bonus: prior startup, hacker, or founder experience. Eagerness to work in person with us in NYC full time.
Benefits
- Comprehensive medical, dental, and vision insurance
- Company-sponsored 401(k) through Vestwell
- Flexible PTO plus U.S. federal holidays
- Daily in-office lunch through Parkday
- Dinner covered when working late
- Commuter benefits
- Standing desks and workspace accommodations available on request
- All core tools and software provided
Skills
Full-Stack EngineeringAILLMsBackend ServicesJavaScriptReactNode.jsPythonTypeScriptPostgres
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