Senior Software Engineer (Backend)

Were looking for a Senior Backend Engineer who can architect, build, and scale critical backend systems. Youll work on high-throughput financial workflows, third-party integrations, and transaction-heavy systems - potentially including crypto/blockchain rails as we expand. This is not a ticket-closing role. This is a systems-thinking, architecture-owning role. What Youll Do Design and own scalable backend architecture Build high-performance APIs handling real-money transactions Lead system design discussions and technical decisions Architect reliable integrations with financial institutions, brokers, payment partners, and crypto/blockchain providers Improve system resilience, observability, and fault tolerance Optimize databases and reduce latency across services Establish engineering best practices and mentor junior engineers Handle production incidents and drive long-term fixes Tech Stack Our backend is primarily built on Node.js, with Python used for select services. We use Express....