Senior Product Engineer, AI & Cloud

Saad is a Senior product engineer with 5+ years of experience at early-stage product startups (Series A B2B marketplace and fintech). He joined as a junior and earned 4 promotions in 2.5 years. Key achievements include cutting AWS costs by 84% ($6.4K to $1K/mo), shipping a production agentic AI procurement system that autonomously discovers suppliers and negotiates at zero headcount, scaling REST APIs from 3.5K to 21K concurrent users with 89% latency improvement, architecting a cross-border multi-currency system with FX-rate-aware transactions, leading a 4-engineer team delivering 6 revenue-critical features, building a shared Node.js SDK adopted across 7+ services (cutting setup time by 70%), and building fintech integrations. He is looking for a founding/senior engineer role where ownership, velocity, and keeping burn low actually matter.