• Design, build, and maintain the systems that power our products end-to-end. • Architect, build, and ship backend systems that can scale to millions of requests/day. • Design, implement, and optimize APIs that power our research and media products. • Build pipelines to parse and model blockchain transactions and financial data. • Own database design, optimization, and reliability (MySQL/Postgres). • Implement caching and performance strategies with Redis or similar tools. • Lead backend feature development from planning to production release. • Diagnose and resolve scalability, performance, and reliability issues under real-world load. • Raise the bar on testing, monitoring, and observability across the stack. • Collaborate with frontend, product, and data teams to ensure seamless integrations.