Builds and scales the APIs, services, and backend systems that power the Superleap AI CRM platform. Owns backend features end-to-end from development through production deployment, and contributes to the architecture and technical foundation supporting rapid product growth. Core responsibilities: designing and maintaining scalable APIs and services (about 35 percent of time); system design and architecture for reliable, secure, scalable solutions (20 percent); database and data management, including schema design, query optimization, data pipelines, and data integrity (15 percent); cross-functional collaboration with Frontend, Product, AI, and Engineering teams (10 percent); performance and reliability monitoring, troubleshooting, and resolving production issues (10 percent); and code quality and testing through reviews and engineering best practices (5 percent). Also supports CI/CD, deployment processes, observability, and backend tooling. Requires 2-5 years of backend development experience with Go, Java, Python, Node.js or similar; strong grounding in APIs, databases, system design, and distributed systems; proficiency with SQL/NoSQL databases, cloud platforms, and modern backend frameworks; and the ability to write clean, maintainable, production-ready code. Suits a self-starter comfortable in a fast-paced startup with high ownership.