Senior/Staff Fullstack Engineer

About the Company

A fast-scaling B2B SaaS company headquartered in New York, they're building a world-class engineering team in Manhattan and Buenos Aires to solve one of the most ambitious and high-impact problems in enterprise AI.

They are on a mission to help companies understand and control their AI presence.

They just closed a $35M Series B led by Sequoia Capital to build the platform companies rely on to understand and control their AI presence—pioneering Answer Engine Optimization and marketing to superintelligence.

They have also raised a $96 million Series C at a $1B valuation (unicorn status). The round was led by Lightspeed Venture Partners, with continued participation from Sequoia Capital, Kleiner Perkins, Evantic, Saga Ventures, and South Park Commons. This brings total funding to over $155M in under 18 months.

What you'll do

As a Full Stack Engineer, you will architect and build high-performance applications that power AI-driven insights, working across the stack to craft sleek front-end experiences and optimize back-end infrastructure for speed, scalability, and impact.

• Build and ship full-stack applications that help companies analyze and control their AI presence
• Develop and refine high-quality front-end interfaces using React and TypeScript
• Design and optimize back-end systems for performance, security, and scalability
• Work closely with design and product to translate ideas into production-ready experiences
• Own key technical decisions, ensuring maintainability and long-term impact

Who you are

• Strong portfolio or GitHub showcasing full-stack development expertise, with proficiency in Python and/or Rust, React and TypeScript. Node.js is a plus.
• Experience designing and working with scalable databases and APIs
• Deep understanding of performance optimization, security, and best practices
• Comfortable operating in a fast-moving, high-performance startup environment

Location

This is an on-site role in CABA, designed for builders who thrive on speed, iteration, and meaningful impact. They are happy to support with relocation package in case you need it.

Compensation

The total compensation package is designed to be competitive and includes base salary and a full range of benefits and perks. Final compensation will depend on factors such as your skills, experience, qualifications, and location, and will be determined during the interview process.

If this role aligns with your background and interests, they'd love to hear from you.