Alex Kumar

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Posted API monitoring with custom instrumentation
Posted ActiveJob for queue adapter abstraction
Posted Database view-backed models for complex queries
Posted Request timeout handling with Rack::Timeout
Posted API key authentication for service-to-service calls
Posted Database query explain analysis for optimization
Posted ActiveStorage for file uploads
Posted ETags for conditional requests and caching
Posted Background job scheduling with sidekiq-scheduler
Posted Secure password reset flow with signed tokens
Posted Multi-tenancy with apartment gem
Posted API response compression with Rack::Deflater
Posted Request deduplication with idempotency keys
Posted JSON column for flexible schema extensions
Posted Bulk operations with ActiveRecord import
Posted Audit logging for sensitive operations
Posted API throttling with custom Redis-based limiter
Posted Action Cable for real-time WebSocket communication
Posted Custom middleware for request tracking
Posted GraphQL API with graphql-ruby gem
Posted Database read replicas for scaling reads
Posted Environment-specific configuration with Rails credentials
Posted Soft deletes with paranoia gem
Posted API documentation with Swagger/OpenAPI
Posted Redis caching for expensive computations
Posted Database constraints for data integrity
Posted Polymorphic associations for flexible relationships
Posted Background job retry strategies
Posted Webhook signature verification
Posted N+1 prevention with includes and preload
Posted Model validations for data integrity
Posted Database connection pooling configuration
Posted API request logging for debugging and analytics
Posted Counter cache for association counts
Posted Optimistic locking for concurrent updates
Posted Serializers with ActiveModel::Serializers
Posted Query objects for complex ActiveRecord queries
Posted ActiveRecord callbacks for lifecycle hooks
Posted Strong parameters for mass assignment protection
Posted Database transactions for data consistency
Posted CORS configuration for cross-origin API requests
Posted Health check endpoint for deployment monitoring
Posted Fragment caching for expensive JSON serialization
Posted Service objects for complex business logic
Posted Database indexes for query optimization
Posted ActiveRecord scopes for reusable query logic
Posted Background jobs with Sidekiq and reliable queues
Posted N+1 query detection with Bullet gem
Posted Pagination with cursor-based approach
Posted Structured JSON error responses
Posted Rate limiting with Redis and Rack::Attack
Posted JWT authentication with refresh tokens
Posted API versioning with namespace routing