• Design and develop highly scalable microservices using Node.js with
frameworks such as NestJS or ExpressJS
• Build secure APIs (REST API/GraphQL)
• Databases like PostgreSQL, Oracle, or MSSQL
• Deploy and manage microservices in AWS or GCP°• Tools like API Gateway, OAuth 2.0, and JWT for secure API authentication
• Messaging tools such as Kafka, RabbitMQ, SNS/SQS
• ELK Stack (Elasticsearch, Logstash, Kibana), Grafana, or OpenTelemetry°