Founding Full Stack AI Engineer
<p>Hub is a distributed AI data infrastructure company. We provide real-world training data to AI companies through a global network of 500,000+ contributors across 150+ countries and 100+ languages.</p>
<p>We own the full end-to-end pipeline: collection, automated processing, human-in-the-loop QA, and delivery. Our clients are leading AI labs and top-tier technology companies who need original, hard-to-access multimodal data — audio, image, and video — that doesn't exist on the public web.</p>
<p><strong>The vision:</strong> make real-world data collection for AI as simple as an API call.</p>
<ul>
<li>500,000+ contributors · 150+ countries · 100+ languages</li>
<li>$2M raised · Y Combinator P26</li>
<li>Clients: Top 10 US technology companies</li>
<li>HQ: Palo Alto, CA · 100% Remote</li>
</ul>
<h1>Who We're Looking For</h1>
<p>This role is not for everyone. We're a small team moving at YC batch pace. The work is real, the stakes are high, and there's no time to manage people.</p>
<ul>
<li>
<strong>Ownership over excuses.</strong> You see a problem, you fix it, you document it. You don't wait to be told.</li>
<li>
<strong>Speed without sloppiness.</strong> You ship fast and you ship clean. You know when to cut and when not to.</li>
<li>
<strong>Async-first mindset.</strong> You communicate proactively, write clearly, and never become a blocker because you're offline.</li>
<li>
<strong>Intellectually honest.</strong> You rate yourself accurately. You say "I don't know" and then go find out.</li>
<li>
<strong>Builder identity.</strong> You have things you've built that you're proud of — side projects, open source, internal tools. You build because you can't help it.</li>
<li>
<strong>Low ego, high standards.</strong> You take feedback without flinching. You give it without politics. You care about the work, not the credit.</li>
</ul>
<h1>What You Bring</h1>
<p>You'll own both ends of the stack. You design and ship the backend APIs that process data from half a million contributors. You build the React interfaces that internal teams and clients actually use. You don't wait for someone to spec things out — you identify the problem, design the solution, and ship it.</p>
<p><strong>Requirements:</strong></p>
<ul>
<li>3+ years of professional full stack engineering experience in production environments</li>
<li>Strong Python skills and hands-on experience building and deploying production APIs with FastAPI</li>
<li>Solid React experience — you've shipped real products used by real users, not just demos</li>
<li>Deep command of SQL — you write and review complex queries, you spot slow ones, you fix them</li>
<li>Hands-on PostgreSQL experience: indexing, query plan analysis, partitioning, connection pooling, schema design at scale</li>
<li>Experience with background task processing systems (Celery, RQ, SQS, or equivalent)</li>
<li>Familiarity with object storage (S3-compatible), containerization (Docker), and REST API design principles</li>
<li>Ability to own features end-to-end: backend logic, database schema, frontend interface, deployment</li>
</ul>
<h1>Key Responsibilities</h1>
<p><strong>1. Backend Development</strong> Design and maintain FastAPI services powering Hub's data collection and delivery pipeline. Build APIs consumed by internal tools, contributor interfaces, and client-facing integrations. Own reliability, performance, and documentation.</p>
<p><strong>2. Database Performance</strong> Write, review, and optimize SQL queries for correctness and speed across high-volume datasets. Tune PostgreSQL performance: indexing, query plans, partitioning, connection pooling. Design schemas that scale with Hub's contributor network and project volume.</p>
<p><strong>3. Frontend Development</strong> Build and iterate on React interfaces for contributors, internal ops, and client-facing dashboards. Translate complex data workflows into clean, usable UI. Maintain performance and responsiveness across all surfaces.</p>
<p><strong>4. Async Pipeline Architecture</strong> Design and maintain background job systems that handle audio, image, and video file processing at scale. Own reliability and observability of async workflows.</p>
<p><strong>5. Cross-Team Collaboration</strong> Work closely with ML engineers, DevOps, and the data team to ship integrated features. Participate in architecture discussions and sprint planning. Contribute to internal tooling that accelerates team velocity.</p>
<h1>What We Offer</h1>
<ul>
<li>A founding engineer role — your code runs in production pipelines used by top-tier tech companies</li>
<li>Competitive salary plus equity / token options at founding-level terms with meaningful upside</li>
<li>100% Remote — work from anywhere in the world</li>
<li>High-ownership environment — your work ships fast and has direct business impact</li>
<li>Budget and time for continuous learning — courses, conferences, tools</li>
<li>Direct collaboration with an experienced, technical founding team backed by Y Combinator</li>
</ul>
<h1>MANDATORY: FILL THIS FORM</h1>
<p><a href="https://hubxyz.notion.site/hub-founding-full-stack-engineer"><strong>https://hubxyz.notion.site/hub-founding-full-stack-engineer</strong></a></p>
<p>We own the full end-to-end pipeline: collection, automated processing, human-in-the-loop QA, and delivery. Our clients are leading AI labs and top-tier technology companies who need original, hard-to-access multimodal data — audio, image, and video — that doesn't exist on the public web.</p>
<p><strong>The vision:</strong> make real-world data collection for AI as simple as an API call.</p>
<ul>
<li>500,000+ contributors · 150+ countries · 100+ languages</li>
<li>$2M raised · Y Combinator P26</li>
<li>Clients: Top 10 US technology companies</li>
<li>HQ: Palo Alto, CA · 100% Remote</li>
</ul>
<h1>Who We're Looking For</h1>
<p>This role is not for everyone. We're a small team moving at YC batch pace. The work is real, the stakes are high, and there's no time to manage people.</p>
<ul>
<li>
<strong>Ownership over excuses.</strong> You see a problem, you fix it, you document it. You don't wait to be told.</li>
<li>
<strong>Speed without sloppiness.</strong> You ship fast and you ship clean. You know when to cut and when not to.</li>
<li>
<strong>Async-first mindset.</strong> You communicate proactively, write clearly, and never become a blocker because you're offline.</li>
<li>
<strong>Intellectually honest.</strong> You rate yourself accurately. You say "I don't know" and then go find out.</li>
<li>
<strong>Builder identity.</strong> You have things you've built that you're proud of — side projects, open source, internal tools. You build because you can't help it.</li>
<li>
<strong>Low ego, high standards.</strong> You take feedback without flinching. You give it without politics. You care about the work, not the credit.</li>
</ul>
<h1>What You Bring</h1>
<p>You'll own both ends of the stack. You design and ship the backend APIs that process data from half a million contributors. You build the React interfaces that internal teams and clients actually use. You don't wait for someone to spec things out — you identify the problem, design the solution, and ship it.</p>
<p><strong>Requirements:</strong></p>
<ul>
<li>3+ years of professional full stack engineering experience in production environments</li>
<li>Strong Python skills and hands-on experience building and deploying production APIs with FastAPI</li>
<li>Solid React experience — you've shipped real products used by real users, not just demos</li>
<li>Deep command of SQL — you write and review complex queries, you spot slow ones, you fix them</li>
<li>Hands-on PostgreSQL experience: indexing, query plan analysis, partitioning, connection pooling, schema design at scale</li>
<li>Experience with background task processing systems (Celery, RQ, SQS, or equivalent)</li>
<li>Familiarity with object storage (S3-compatible), containerization (Docker), and REST API design principles</li>
<li>Ability to own features end-to-end: backend logic, database schema, frontend interface, deployment</li>
</ul>
<h1>Key Responsibilities</h1>
<p><strong>1. Backend Development</strong> Design and maintain FastAPI services powering Hub's data collection and delivery pipeline. Build APIs consumed by internal tools, contributor interfaces, and client-facing integrations. Own reliability, performance, and documentation.</p>
<p><strong>2. Database Performance</strong> Write, review, and optimize SQL queries for correctness and speed across high-volume datasets. Tune PostgreSQL performance: indexing, query plans, partitioning, connection pooling. Design schemas that scale with Hub's contributor network and project volume.</p>
<p><strong>3. Frontend Development</strong> Build and iterate on React interfaces for contributors, internal ops, and client-facing dashboards. Translate complex data workflows into clean, usable UI. Maintain performance and responsiveness across all surfaces.</p>
<p><strong>4. Async Pipeline Architecture</strong> Design and maintain background job systems that handle audio, image, and video file processing at scale. Own reliability and observability of async workflows.</p>
<p><strong>5. Cross-Team Collaboration</strong> Work closely with ML engineers, DevOps, and the data team to ship integrated features. Participate in architecture discussions and sprint planning. Contribute to internal tooling that accelerates team velocity.</p>
<h1>What We Offer</h1>
<ul>
<li>A founding engineer role — your code runs in production pipelines used by top-tier tech companies</li>
<li>Competitive salary plus equity / token options at founding-level terms with meaningful upside</li>
<li>100% Remote — work from anywhere in the world</li>
<li>High-ownership environment — your work ships fast and has direct business impact</li>
<li>Budget and time for continuous learning — courses, conferences, tools</li>
<li>Direct collaboration with an experienced, technical founding team backed by Y Combinator</li>
</ul>
<h1>MANDATORY: FILL THIS FORM</h1>
<p><a href="https://hubxyz.notion.site/hub-founding-full-stack-engineer"><strong>https://hubxyz.notion.site/hub-founding-full-stack-engineer</strong></a></p>