Fullstack Engineer (AI)

TL;DR

Fullstack Engineer (AI): Building the entire product surface for a consumer AI dating app, including mobile app and backend systems that power matching, conversation, and API integrations with an accent on beautiful UI, intelligent data flows, and seamless third-party service integration. Focus on architecting systems, translating ambitious product ideas into production code, and directly shaping user experience.

Location: On-site in San Francisco

Company

hirify.global is a consumer AI product building a dating app to help people meet, connect, and fall in love, backed by Pear VC.

What you will do

• Build and ship mobile experiences using React Native for features like onboarding, real-time messaging, and match discovery.
• Design and maintain Node.js/TypeScript backend services, including RESTful APIs, WebSockets, and WebRTC integrations.
• Integrate third-party platforms (OpenAI/Anthropic LLMs, Apple/Google Pay, reservation systems, SMS/push notifications).
• Collaborate with AI/ML engineers to surface model outputs (compatibility scores, recommendations, conversational agents) through intuitive UI and performant APIs.
• Own infrastructure and deployment using modern cloud platforms, ensuring reliability, security, and scalability.
• Implement analytics and instrumentation to measure user engagement, conversion funnels, and product health.

Requirements

• 3–5 years building production fullstack or mobile applications, ideally in consumer products or startups.
• Strong proficiency in TypeScript, React, React Native, and Node.js.
• Experience designing and scaling RESTful APIs with attention to performance, security, and maintainability.
• Strong working knowledge of Postgres, comfortable with data modeling, queries, indexes, and database performance.
• Experience with cloud platforms (AWS, GCP, Vercel, Railway) for deployment and infrastructure.
• Comfortable with modern development workflows: Git, CI/CD, feature flags, monitoring, and incident response.
• English: B2 required

Nice to have

• Familiarity with WebSockets and WebRTC for real-time communication.
• Passion for user experience and product quality.

Culture & Benefits

• Opportunity to be a technical co-architect of a consumer AI product from the ground up.
• Own the entire stack and ship features that directly impact how people meet, connect, and fall in love.
• Work at the intersection of design, data, and AI, with autonomy to build systems your way.
• Responsibility to make systems world-class.