Serverless computing is a cloud-native development model where applications are built and run without the need to manage underlying server infrastructure. Cloud providers dynamically allocate resources and execute code in response to events, charging only for actual usage.
This skill involves designing, deploying, and maintaining functions or microservices that run in serverless environments. Developers write stateless functions triggered by events such as HTTP requests, database changes, or file uploads, which automatically scale with demand.
- Writing and deploying event-driven functions using platforms like AWS Lambda, Azure Functions, or Google Cloud Functions
- Integrating serverless components with databases, APIs, and message queues
- Monitoring performance, debugging issues, and optimizing cost and execution time
- Implementing security practices such as least-privilege permissions and secure environment variables
- Using Infrastructure as Code (IaC) tools like AWS SAM or Terraform to define serverless resources
Serverless computing is widely used in web and mobile backends, data processing pipelines, real-time file processing, and event-driven automation. It is commonly adopted in startups and enterprises aiming to reduce operational overhead and accelerate time-to-market.
Professionals with this skill typically have experience in cloud platforms (especially AWS, Azure, or Google Cloud), event-driven architecture, and API design. They are expected to understand cold starts, concurrency limits, and billing models, and to apply best practices for observability, error handling, and resource configuration. Knowledge of related technologies such as containers, APIs, and cloud security is often complementary.