data-engineer video for your company runs a web portal to match developers to clients who need their help. As a data engineer, you've designed the architecture
Your company runs a web portal to match developers to clients who need their help. As a data engineer, you've designed the architecture of the website to be fully serverless with Amazon API Gateway and AWS Lambda. The backend uses an Amazon DynamoDB table. You would like to automatically congratulate your developers on important milestones, such as - their first paid contract. All the contracts are stored in Amazon DynamoDB. Which of the following options can you use to implement this functionality such that there is LEAST delay in sending automatic notifications?