Design and implement secure multi-tenant REST APIs in ASP.NET 8 with RBAC. dynamic Rules Engine (YAML/JSON DSL), evaluator, and Cost Estimator service. background processing pipelines using Azure Service Bus, Azure PostgreSQL (or SQL), encryption Required Candidate profile C#/.NET, async programming, and job processing. Expert in relational db design. Experience Azure PaaS (Service Bus, Key Vault, Blob Storage), OAuth/OIDC. secure coding practices and multi-tenant SaaS
Develop OAuth apps and data ingestion flows for Gmail, Microsoft Graph, HubSpot and Twilio. Implement incremental sync jobs with pagination, throttling, retries, and robust error handling. Build and enhance a Next.js admin console: onboarding flows Required Candidate profile 4+ years of experience with TypeScript/React, Next.js, and REST API integrations. Strong understanding of OAuth 2.0/OIDC, webhooks, pagination, and rate-limiting. UX-first speed and prodtrade-offs