Backend Engineer — Fintech Payments & Compliance (Remote)

Astra is a remote-first company building mission-critical infrastructure for moving money at scale. We seek a Backend Engineer to design, build, and ship features across financial systems, including payments, fraud detection, and compliance, within a distributed microservices setup. You will own features from design through production, integrate with banks and networks, and contribute to architecture decisions while improving performance and observability across our services.