> Markdown version of [/jobs/ext/4619204-founding-engineer](https://www.wearedevelopers.com/jobs/ext/4619204-founding-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Founding Engineer - **Company:** The Hicker Company Inc - **Location:** San Francisco, CA, United States - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Audit Trail, Distributed Systems, Monitoring of Systems, Python (Programming Language), Performance Tuning, Role-Based Access Control, Next.js, TypeScript, ReactJS, Large Language Models, Concurrency, Prompt Engineering, Agentic-AI, AI Platforms - **Published:** November 7, 2026 - **Apply:** https://www.juju.com/job/28_25303_70e558a013492def029d8c4da8bb3f6d ## About the Role * 1-6 years of experience building production systems and user-facing features. * Full-stack expertise - strong with TypeScript, React, Next.js, and Python. Systems thinking - you understand distributed systems, concurrency, and performance optimization. * Product mindset - you talk to customers, understand their pain, and ship solutions that solve real problems. * High agency - you identify problems and fix them without being asked., * Experience with AI/ML, particularly LLMs, prompt engineering, or building AI agents. * Previous startup experience or experience building successful B2B SaaS products. * Design sense - you can build UIs that don\'t just work, but feel great to use. ## Description As a Founding Engineer, you'll architect and build the core AI agents and infrastructure that power precision outbound at scale - then make them accessible through beautiful, intuitive interfaces. You'll work directly with customers, shape product direction, and own critical systems that drive revenue for 40+ YC companies and growing., * AI agents that discover hyper-targeted leads by understanding ideal customer profiles, conference attendees, hiring signals, and more. * Real-time content monitoring systems that track what prospects are posting, sharing, and engaging with across social platforms. * Multi-channel sequence orchestration across email and LinkedIn, managing dozens of email domains and sender accounts. * Enterprise-grade infrastructure that scales to hundreds of concurrent users - multi-tenant architecture with role-based access control, end-to-end encryption, SOC 2-ready audit logging, and rate limiting built in from day one. * Polished user interfaces that turn complex outbound workflows into experiences sales teams can set up in minutes., Cardinal is the AI platform for precision outbound. "Spray and pray" outbound is dead - the best sales teams operate with extreme precision, but doing this well means stringing together 10+ tools and hiring a GTM engineer. Cardinal replaces all of that. Our AI agents find hyper-targeted leads, continuously monitor what prospects are posting on social media, generate personalized snippets based on shared context, and orchestrate end-to-end outbound workflows across email and LinkedIn. We also capture inbound from website visitors, product signups, and ad impressions - qualifying and routing them into sequences automatically. We run outbound for 40+ YC companies including Mintlify, Greptile, and Luminai, and we\'re growing fast.