Senior Backend Engineer (Golang) – Data Infrastructure & Recommendations

Fulcrum SaaS is a conversion rate optimization (CRO) platform that powers product recommendations for e‑commerce brands. We operate a multi‑tenant SaaS environment where data correctness, low latency, and system reliability are non‑negotiable. The role is open to all candidates across Latin America and requires strong overlap with Americas time zones.

What You’ll Do

• Design and operate high‑throughput event ingestion pipelines capable of processing millions of events per day with low‑latency serving requirements.
• Own the dual‑store architecture that separates our operational (real‑time) and analytical (batch) data layers, including streaming vs. batch pipeline design and failure recovery.
• Build and maintain data movement infrastructure between stores (Bigtable/BigQuery or comparable), ensuring consistency, at‑least‑once delivery, and graceful degradation. ...