Founding Engineer (AI)

TL;DR

Founding Engineer (AI/Fullstack): Building and scaling the core product for personalized customer engagement for brands with an accent on shaping technical foundation, architecture decisions, and delivering delightful user experiences while balancing performance and scalability. Focus on translating customer needs into resilient technical systems, prototyping quickly, shipping often, and iterating based on usage and metrics.

Location: Onsite in San Francisco Bay Area, US

Salary: $150,000–$225,000

Company

hirify.global builds a 1:1 marketer enabling brands to authentically engage millions of social media followers through personalized DMs and tailored offers, backed by Pear VC and serving 9-figure DTC companies and NBA teams.

What you will do

• Build and scale the core product that enables brands to authentically engage millions of followers.
• Make foundational architecture and stack decisions that allow for global scale.
• Translate customer needs into elegant, resilient technical systems that balance speed, quality, and reliability.
• Set the tone for the engineering culture as high-caliber, collaborative, and deeply product-minded.
• Build customer-facing features end-to-end, from requirements through launch.
• Contribute to technical standards and participate in architectural discussions.

Requirements

• Work onsite in San Francisco, CA, US.
• 3+ years of professional experience building SaaS, AI-enabled, or consumer applications.
• Fullstack engineer comfortable moving fast in an early-stage environment.
• Strong initiative and deep care for work quality, with a high bar for clean, maintainable solutions.
• Familiarity with AI or large language model-powered products.
• Entrepreneurial by nature, thriving in ambiguity and shaping products from the ground up.

Nice to have

• Background building consumer-facing products, personalization engines, or customer data systems.
• Previous early-stage startup or founding team experience.
• Experience with social media APIs such as Instagram, TikTok, or Meta.
• Experience writing infrastructure for observability, performance monitoring, or alerting.

Culture & Benefits

• Office in San Francisco with covered lunch and dinner for days you work late.
• Competitive compensation with potential for equity commensurate with experience.
• Comprehensive health, dental, and vision insurance with 401(k) matching.
• Unlimited PTO.
• Team outings including dinners, escape rooms, and NBA games.
• Opportunity to own meaningful product and define product direction and engineering standards.