Senior Backend Engineer (Founding Team)

Title: Senior Backend Engineer (Golang) – Data Infrastructure & Recommendations

Company: Fulcrum SaaS

Location: Remote – Latin America (strong overlap with Americas time zones required)

Type: Full-time

Level: Senior / Staff

Compensation: USD 70,000–100,000 per year, depending on experience and location

About Fulcrum SaaS: Fulcrum SaaS is a conversion rate optimization (CRO) platform that powers product recommendations for e‑commerce brands. Our infrastructure processes high‑volume behavioral events, feeds real‑time recommendation algorithms, and serves personalized experiences at scale. We operate in a multi‑tenant SaaS environment where data correctness, low latency, and system reliability are non‑negotiable. Our stack includes Go, Bigtable, BigQuery, Pub/Sub, and a dual‑store architecture (operational + analytical) that we designed from scratch.

Responsibilities

• Design and operate high‑throughput event inge...