Principal Engineer (AI Companions)

Ingenio • San Francisco, CA

1d • $190,000 - $220,000 • Hybrid

About The Position

Before we get started: Here at Ingenio, we'd love to talk with you regardless of your qualifications or years of experience. If you believe you’d be a great fit for this role, we invite you to apply even if you do not meet all points on the job description. Who we are: Ingenio is a global media and technology company developing products that provide guidance on love, relationships, careers, and all aspects of life. We are passionate about connecting people with the world’s best advisors and content to empower everyone to live happier lives. Ingenio offers the world’s largest portfolio of over 20 marketplace and media brands in the spiritual and emotional wellness space. Our flagship brands include Keen, Horoscope.com , Astrology.com , Purple Garden, Kasamba, and Kang. How you’ll be impactful: We are looking for a Principal Engineer (Full-stack) to help build and scale intelligent agents providing always-on guidance, clarity, and relief. You will be the primary lead in architecting, launching, and iterating on AI Companions reaching millions of users across all our platforms. If you are a skilled engineer with a passion for building new consumer experiences leveraging the latest technologies, we encourage you to apply for this role. Please note: This role will require being in our SF office at least 3 days per week (Tuesday-Thursday).

Requirements

• 8+ years of relevant professional experience
• Architected high-concurrency React and Node.js applications with a focus on reusable design systems and stable, version-controlled API contracts.
• Experience in MongoDB/Postgresql management, including query optimization and schema evolution without production downtime.
• Experience in Azure OpenAI and RAG patterns while managing production constraints like latency, costs, and vector databases.

Nice To Haves

• Bonus if you have hands-on experience building production level AI experiences or AI chatbot.

Responsibilities

• Scale high-agency, interactive AI experiences across web and mobile that provide empathetic, real-time guidance to millions of users during their most critical moments.
• Develop user-friendly interfaces capable of supporting millions of concurrent interactions on multiple platforms and product surfaces.
• Design and scale data pipelines and AI systems that can be leveraged across our various brands, ensuring that innovations in one area can be replicated across our brand ecosystem.
• Collaborate closely with the product-design, data, and infra teams to translate visionary concepts into tangible user experiences and product interfaces.
• Engineer high-trust, resilient payment architectures and subscription lifecycles that guarantee seamless financial flows and a frictionless user experience.
• Prototype quickly, fail fast, and double down on what works. You’ll own the technical roadmap from 0 to 1.

Benefits

• Opportunity to work alongside a friendly, talented, and highly collaborative team
• Premium medical, dental, and vision insurance
• Generous holiday and PTO policies (including Birthday PTO!)
• Summer Fridays
• Technology stipend
• 401k matching program
• Lunch
• Wellness allowance
• Training and development opportunities and allowance

What This Job Offers

• Job Type: Full-time
• Career Level: Principal
• Education Level: No Education Listed