- Maintain, debug, and scale a production MERN application.
- Build secure Data Export and Analytics APIs for Microsoft Power BI and other external systems.
- Design large-data workflows using MongoDB cursors, batching, Node.js streams, CSV exports, and Amazon S3.
- Implement secure multi-tenant access with authentication, authorization, API credentials, rate limiting, and strict organization-level data isolation.
- Design and optimize MongoDB and Mongoose schemas, indexes, aggregation pipelines, Atlas Search configurations, and database queries.
- Analyze query performance using tools such as explain() and implement appropriate optimization strategies.
- Build reliable asynchronous workflows with concurrency controls, retries, idempotency, leases, locks, timeouts, and failure recovery.
- Develop new features end-to-end across React, Redux, Node.js, and Express.
- Integrate and maintain third-party services, including AI/NLP tools, Twilio, SendGrid, Stripe, Microsoft services, Slack, and AWS services.
- Improve application performance, security, reliability, logging, monitoring, and observability.
AWSNode.jsExpress.js+5 more