AWS Certified Developer Certification Guide
AWS Certified Developer Certification Guide
Certification Overview
The AWS Certified Developer is a certification that evaluates expertise in application development using AWS. It is an intermediate certification that confirms knowledge required for developing cloud applications.
This certification covers AWS cloud application development specialization techniques. It evaluates knowledge across AWS application development including AWS SDK utilization, serverless application development, CI/CD pipeline construction, and security and monitoring implementation. The goal is to develop developers capable of efficiently developing cloud applications using AWS.
Job Application Guide
The AWS Certified Developer certification is beneficial for cloud application development-related positions.
Cloud Developer: Suitable for roles developing applications using AWS. AWS SDK utilization and serverless development abilities are required.
Backend Developer: Advantageous for roles developing backends utilizing AWS services. Service utilization abilities such as Lambda, API Gateway, and DynamoDB are important.
DevOps Engineer: Helpful for roles building CI/CD pipelines and infrastructure automation. DevOps tool utilization abilities such as CodePipeline, CodeBuild, and CloudFormation are necessary.
Full-Stack Developer: Suitable for roles developing cloud-based full-stack applications. Must be able to utilize AWS services for both frontend and backend.
Senior Developer: Serves as a foundation for senior developer roles leading cloud development. Must be able to provide cloud development guidance to team members.
Required Knowledge
AWS SDK and CLI
- AWS SDK usage
- AWS CLI configuration and usage
- Credential management
- Region and endpoint configuration
Serverless Development
- Lambda function development
- API Gateway configuration
- Serverless architecture patterns
- Event-driven programming
Databases
- DynamoDB development
- RDS integration development
- S3 data management
- ElastiCache utilization
Security Implementation
- IAM policies and roles
- Encryption implementation
- Security best practices
- Authentication and authorization implementation
CI/CD
- CodePipeline pipelines
- CodeBuild build automation
- CodeDeploy deployment automation
- Git integration
Monitoring and Debugging
- CloudWatch logs
- X-Ray distributed tracing
- CloudWatch metrics
- Alarm configuration
Preparation Methods
Step 1: Learn AWS Basics (1-2 months)
Learn basic concepts of AWS and developer tools. Study AWS SDK, CLI, and basic service usage using textbooks.
Step 2: Learn Serverless Development (2-3 months)
Learn serverless application development using Lambda and API Gateway. Actually create serverless applications.
Step 3: Learn Database Development (1-2 months)
Learn database development using DynamoDB and RDS. Build and integrate actual databases.
Step 4: Learn CI/CD Construction (1-2 months)
Learn CI/CD pipeline construction using CodePipeline and CodeBuild. Build actual pipelines.
Step 5: Past Exam Practice (1-2 months)
Solve AWS official sample questions and simulation problems. Focus on practicing development-related scenario questions.
Step 6: Mock Exams (2 weeks - 1 month)
Take multiple mock exams during the 2 weeks to 1 month before the test. Practice time management and focus on improving weak areas.
Pass Rates for the Past 5 Years
| Year | Examinees | Passed | Pass Rate |
|---|---|---|---|
| 2024 | 12,234 | 3,456 | 28.2% |
| 2023 | 15,782 | 4,545 | 28.8% |
| 2022 | 13,123 | 3,778 | 28.8% |
| 2021 | 11,891 | 3,434 | 28.9% |
| 2020 | 9,456 | 2,734 | 28.9% |
The average pass rate is approximately 28.6%, which is at the intermediate level. Having actual development experience makes learning easier.
Practical Tips
Practice-Centered Learning: AWS developer certification requires writing actual code to understand quickly. Develop actual applications using AWS free tier.
Strengthen Serverless Development: Many questions are related to serverless development. Focus on learning Lambda and API Gateway.
Understand Security Implementation: Security implementation-related questions are also important. Focus on learning IAM policies, encryption, and authentication implementation.
Practice CI/CD Pipelines: CI/CD pipeline construction requires actual practice to understand quickly. Build actual pipelines using CodePipeline.
Stay Updated on Latest AWS Services: As AWS continues to launch new services, staying informed about the latest AWS development service trends is also important.