Full Stack Engineer - Persana AI

# **Full Stack Engineer - Persana AI** ## **About Persana** Persana AI (YC W23) is revolutionizing how companies execute their go-to-market strategies with our innovative GTM agents. Our proprietary AI technology analyzes billions of data points across professionals, companies, and market signals to help sales teams identify high-probability prospects, engage the right decision-makers, and create personalized outreach that gets responses. Companies using our platform see 3-5x higher conversion rates while their sales teams spend 70% less time on prospecting. ## **The Opportunity** As we scale our platform and expand our AI agent capabilities, we're looking for a talented Full Stack Engineer to join our founding engineering team. This is a unique opportunity to work on cutting-edge AI applications in a high-growth environment where your contributions will directly impact our product and business trajectory. ## **What You'll Build** * Advanced interfaces for our GTM agents that make complex AI capabilities intuitive for sales professionals * Scalable backend systems that process and analyze massive datasets to power our recommendation engines * Real-time monitoring and feedback systems to continuously improve agent performance * Integration layers that connect our platform with CRMs, sales engagement tools, and other customer systems * New agent capabilities across our core embedding search technology (PersanaVector™) ## **Your Impact** * Shape the architecture and technical direction of a fast-growing AI startup * Build features that directly improve the effectiveness of sales teams at our customer companies * Work closely with our AI/ML team to bring cutting-edge language and embedding models into production * Contribute to a product that's changing how businesses discover and connect with each other ## **What We're Looking For** * 3+ years of experience building production web applications * Strong proficiency in modern JavaScript/TypeScript and React * Experience with backend technologies like Node.js, Python, or similar * Familiarity with database design, SQL, and NoSQL solutions * Strong computer science fundamentals and problem-solving skills * Experience with cloud services (AWS, GCP, or Azure) * Interest in AI/ML applications and data-intensive applications ## **Bonus Points For** * Experience building applications that integrate with LLMs or other AI models * Knowledge of sales tech, CRMs, or B2B prospecting workflows * Background in search, recommendation systems, or information retrieval * Experience at fast-growing startups or YC companies * Contributions to open source projects ## **Why Persana?** * Work with a founding team that combines domain expertise from LinkedIn, Shopify, and Element AI * Solve challenging technical problems at the intersection of AI, search, and B2B sales * Join at an inflection point - we're well-funded and scaling rapidly * Competitive compensation * Flexible work environment with the resources you need to do your best work ## **Our Stack** * Frontend: React, TypeScript, TailwindCSS * Backend: Node.js, Python, BullMQ for job queueing * Database: PostgreSQL, MongoDB, OpenSearch * AI/ML: PyTorch, Hugging Face, proprietary embedding models * Infrastructure: AWS (Lambda, S3, ECS, CloudFront), Docker, Kubernetes ## **Location** San Francisco Bay Area in person Persana is an equal opportunity employer committed to building a diverse and inclusive team. We encourage candidates from all backgrounds to apply. Visa sponsorship is not available for this role.