Founding Full Stack Engineer

AfterQuery is a YC-funded startup focused on providing high-quality human-generated datasets for fine-tuning AI systems. As one of the fastest-growing companies in their YC batch, they're building complex data infrastructure for major clients in the AI industry. They've secured funding from BoxGroup, YC, and strategic angels.

The Founding Full Stack Engineer role is a critical position where you'll be instrumental in creating data infrastructure that shapes the future of frontier models. As one of the first hires, you'll have substantial responsibility and ownership over end-to-end projects, allowing for immediate impact. The role combines web development using Next.js and desktop application development with Python, requiring expertise in both frontend and backend technologies.

The position offers an attractive compensation package including $150K-$220K salary and 0.50%-1.50% equity. The company's founding team brings experience from prestigious organizations like Citadel Securities, Meta, Google, Silver Lake, and Morgan Stanley, providing an opportunity to work with and learn from industry veterans.

The interview process is streamlined and respectful of candidates' time, consisting of an initial screening, technical interview, and a fully-paid work trial week before the full-time offer. This role is perfect for someone who wants to be at the forefront of AI development while having the opportunity to shape a company's technical foundation and grow into a leadership position.