Develop scalable full-stack applications using MongoDB, PostgreSQL, Express.js, React.js, Next.js, and Node.js with TypeScript.
Design and implement microservices architecture using AWS services like Lambda, API Gateway, and DynamoDB.
Build event-driven architectures leveraging Amazon SQS (Simple Queue Service) and SNS (Simple Notification Service) for asynchronous processing.
Develop and optimize serverless applications using AWS Lambda, Step Functions, and other AWS services.
Optimize database performance and query efficiency for MongoDB and PostgreSQL.
Write and maintain unit and integration tests using Jest, Mocha, or Cypress.
Collaborate with cross-functional teams, including DevOps, UI/UX, and Product Managers, to enhance system performance and scalability.
Monitor system performance and troubleshoot issues using AWS CloudWatch, ELK Stack, or Prometheus.

Requirements:

Strong proficiency in Node.js, TypeScript, Express.js, React.js, Next.js, PostgreSQL, and MongoDB.
Experience in designing and implementing microservices-based architectures.
Hands-on experience with AWS services, including Lambda, S3, DynamoDB, API Gateway, SQS, and SNS.
Proficiency in event-driven and serverless architecture patterns.
Experience in building and integrating GraphQL or REST APIs, including Swagger documentation.
Knowledge of asynchronous messaging and event streaming using SQS, SNS, or Kafka.
Familiarity with Docker, Kubernetes, and container orchestration.
Solid understanding of both NoSQL (MongoDB) and SQL (PostgreSQL, MySQL) databases.
Strong problem-solving and debugging skills.