Founding Infrastructure Engineer

We’re hiring a Founding Engineer to help build the infrastructure powering a new generation of AI‑native advertising systems where ads, products, and businesses are dynamically surfaced inside conversational AI experiences. This is a rare opportunity to join at the ground floor and shape a category‑defining ad platform from scratch. You’ll be working directly with the founding team to design and build the core backend systems that determine how monetisation works inside AI applications. Python, Node.js, TypeScript, React, AWS, Terraform, Supabase, ClickHouse, MongoDB What you’ll be doing You’ll take ownership of the core infrastructure that powers real‑time ad decisioning at scale, including: Designing and building the ad decisioning pipeline (retrieval, scoring, ranking, filtering) with strict low‑latency requirements Developing backend systems for ad delivery, pacing, frequency capping, and budget control Building a lightweight publisher integration layer / SDK for AI apps and platforms Architecting systems capable of handling high‑volume, real‑time request traffic from day one Creating observability and analytics infrastructure, including dashboards for performance, fill rates, revenue, and auction metrics Working across backend, infrastructure, and product to rapidly ship and iterate in a high‑ownership environment What we’re looking for 2–8 years of backend or infrastructure engineering experience Proven experience building high‑scale, consumer‑facing tech products (this is essential) Strong understanding of distributed systems, APIs, and real‑time data processing Comfortable working in fast‑moving early‑stage environments with high autonomy Ability to take ownership of complex systems end‑to‑end Nice to have Experience with ad tech, marketplaces, or ranking/recommendation systems Exposure to AI/ML‑driven products or consumer AI applications Experience working in seed or SeriesA stage companies The opportunity This is a founding‑level role in a company building at the intersection of AI, consumer attention, and monetisation infrastructure. You’ll be joining early, working directly with the founder, and helping define how advertising works in AI‑first environments. Expect high autonomy, fast iteration, and meaningful equity upside as the platform scales. #J-18808-Ljbffr Digital Waffle