Anjan Das

Senior Backend Engineer with 9+ years of experience building and scaling production backend systems with complex data models and external integrations. Hands-on expertise designing multi-tenant SaaS architectures, PostgreSQL database schemas for complex business workflows, and integration pipelines connecting ERP, payment, and third-party systems. Strong understanding of RBAC, OAuth, and SSO authentication patterns. Experienced in turning early-stage systems into enterprise-grade platforms with testing, CI/CD, and monitoring best practices. Proactive, pragmatic, and comfortable taking ownership in small engineering teams while collaborating directly with founders and product stakeholders.