Alexei Alayo

Software Engineer, Python Developer

ENGADI (Freelancer)

• Developed a platform for managing sensors and actuators in agriculture with AWS IoT Core, Lambda, API Gateway, and DynamoDB
• Implemented DynamoDB single table design and managed 10+ AWS Lambda functions
• Set up communication via API Gateway and MQTT protocol with IoT Core and Node-Red
• Deployed lambda functions using GitLab CI/CD with AWS CLI
• Managed users with AWS Cognito and set up error monitoring from CloudWatch to Discord

Software Engineer, Python Developer

CHATTIGO

• Retrieved, transformed, and loaded large amounts of data from SQL Server, Apache Druid, and MongoDB
• Created reports using SQL queries
• Built reporting components with Flask, implementing Dependency Injection, asyncio, and pandas
• Migrated data stack to Microsoft Azure with Databricks, DataFactory, and other Azure tools

Software Engineer

ELROI SUPPLIES

• Developed e-Commerce backend on Shopify with NodeJS and AWS
• Designed and developed serverless architecture with AWS Lambda, API Gateway, SQS, SNS, etc.
• Created Python scripts for deployment and management of AWS resources
• Implemented Stripe payment integration
• Managed infrastructure with Terraform and Python

Software Engineer

Gap-Commerce

• Developed backend for e-Commerce platform using NodeJS, GraphQL, and AWS
• Built and maintained serverless backend with Apollo GraphQL Lambda
• Implemented Pub/Sub architecture
• Migrated NodeJS backend from JavaScript to TypeScript