Senior Software Engineer, Scale

Build multi-tenant infra powering customers; meet latency/availability SLAs Architect systems that aggregate platform requests across customers Design cross-data-center solutions for global scale 5+ years of software engineering in Java/Spring Boot Strong abstraction skills balancing flexibility and simplicity Clear communication with technical and non-technical stakeholders Pragmatic decisions balancing performance vs velocity Thrive in cross-functional teams (Product, Design, Compliance, Sales) Design for scale, maintainability, production excellence Fintech, payments, or regulated industry experience High-scale tuning for 100k+ QPS and strict latency SLAs Multi-tenant SaaS or platform architecture background Proficiency with PostgreSQL, Redis, Kafka, and cloud platforms (AWS/GCP/Azure) OAuth2.0, API design, or developer documentation experience Cross-region deployment or data residency compliance experience