Jiaxi Liu (Jesse)

Master’s Graduate

Software Engineer | Scalable APIs · Web Scraping · Data Integration · Code Quality & Refactoring

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Blog

Thoughts on AI, software, and life. Short notes and long-form writing.

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All CategoriesAWS8TypeScript7Backend3Database2Software Engineering2Testing2Web Scraping2AI1Big Data1DevOps1Frontend1Networking1
AIMay 23, 2026

AI Engineering Review: AI Agent, MCP, Prompting, and Function Calling

AI AgentMCPPrompt Engineering

AI engineering is not only about calling a model. It also includes context, tools, workflows, and safety boundaries.

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BackendMay 23, 2026

API Design Review: Authentication, Validation, RESTful APIs, and GraphQL

APIRESTGraphQL

API design is not only about returning data. It also includes authentication, validation, error handling, status codes, and interface style.

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AWSMay 23, 2026

AWS CLF-C02 Review: AI/ML, Data Analytics, Security, Monitoring, Compliance, and Governance

AWS SecurityCloud OperationsAWS AI

AI, data, security, and governance are common service-identification topics in AWS CLF-C02.

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AWSMay 23, 2026

AWS CLF-C02 Review: Cloud Basics, Deployment Models, Global Infrastructure, and Shared Responsibility

Cloud ComputingCLF-C02Cloud Operations

The first part of AWS CLF-C02 focuses on what cloud computing is and what AWS and customers are each responsible for.

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AWSMay 23, 2026

AWS CLF-C02 Review: EC2, Instance Types, AMI, Pricing, Auto Scaling, and Messaging

AWS ComputeEC2Load Balancing

EC2 is AWS's virtual server service. Instances can be created, started, stopped, and terminated on demand.

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