Founding Engineer – Full Stack

### About the Role Join a small, high-velocity founding team at a Y Combinator–backed AI startup building brand intelligence tooling at the intersection of AI research, product, and engineering. As a **Founding Engineer – Full Stack**, you'll help companies understand how large language models perceive and recommend them — and shape the product, systems, and engineering culture from the ground up. This is a rare opportunity to be one of the earliest engineers at a company defining an entirely new category of AI-powered software. ### What You'll Do - Own problems end-to-end — from high-level customer insight through research and all the way down to infrastructure. - Maintain a close feedback loop with customers and the executive team; ship fast and iterate. - Help shape and grow a new engineering team at the start of a new era of software development. - Continuously reinvent best practices for building and collaborating alongside AI agents. - Translate customer needs directly into product features with strong design and product instincts. ### What We're Looking For **Required:** - 1+ years of experience on engineering teams (2+ preferred), including at least one stint of 18+ months in a strong engineering environment (startup or scale-up). - Comfortable working full-stack — from customer-facing UI to backend services and cloud infrastructure. - Proficient with **React, Python, Terraform, and AWS**. - Experience building **agentic systems** or working with LLMs in production. - Startup experience or compelling self-driven personal projects that demonstrate initiative. - Strong product and design sense; ability to translate ambiguous customer needs into concrete features. - Must be a US citizen or hold a valid US work visa (no sponsorship required for this criterion — authorized to work in the US). **Nice to Have:** - Direct experience working with customers (sales calls, discovery, feedback sessions). - Eagerness to adopt AI-powered coding and development tooling. - Background in scientific or AI research (e.g., interpretability, NLP, ML). ### Compensation & Benefits - **Salary:** $150,000 – $250,000 USD annually, depending on experience. - Early-stage equity as a founding team member. - Visa sponsorship available. ### Location This is a **full-time, on-site role** based in **San Francisco, CA**. In-person collaboration with the founding team is expected.