AWS Lambda is a powerful serverless computing service that allows developers to run code without managing servers. It automatically scales applications in response to demand, enabling event-driven architecture and microservices deployment. With Lambda, you pay only for the compute time you consume, making it cost-efficient for cloud-native applications. It integrates seamlessly with other AWS services like API Gateway, S3, DynamoDB, and CloudWatch, empowering developers to build scalable, high-performance, and secure applications. Lambda supports multiple programming languages and simplifies backend development by handling infrastructure management, making it ideal for modern DevOps and continuous integration/continuous deployment (CI/CD) pipelines.