About Me

Introduction

Hi, I am Hanbin Tan (小寒冰), a software engineer with AWS Certified Developer - Associate and Cloud Practitioner certifications. I completed a B.S. in Computer Science at UC San Diego in June 2026 and am pursuing an M.S. in Computer Science through Georgia Tech's OMSCS program, expected June 2028.

I build AI systems, cloud infrastructure, and full-stack products. My recent work includes a beta advising CRM, advisor-reviewed agent prototypes, AWS operational workflows, deterministic evaluation harnesses, and backend systems with explicit security and reliability controls.

I like learning unfamiliar systems through implementation, tests, and measurement. I focus on evidence-backed claims and document the boundary between a prototype, a beta system, and production usage.

Education

Georgia Institute of Technology

M.S. in Computer Science (OMSCS)

Expected Jun 2028

University of California San Diego

B.S. in Computer Science

Sep 2024 - Jun 2026

Engineering Focus

AI Systems and Evaluation

Building agent workflows, retrieval and memory systems, deterministic evaluation harnesses, and human review gates with explicit evidence boundaries.

Cloud Platforms and DevOps

Building AWS serverless systems, reusable CloudFormation, Docker workflows, automated tests, and documented deployment and handoff paths.

Backend and Data Platforms

Designing typed APIs, relational data models, migrations, focused read models, reconciliation checks, and workflow automation.

Full-Stack Engineering

Shipping Next.js, React, TypeScript, PostgreSQL, Convex, and middleware features that connect product interfaces to reliable backend behavior.

Reliability and Security

Using fail-closed authorization, RBAC, audit events, rate limits, browser and API tests, recovery controls, and checked evidence for public claims.

Professional Experience

AI Engineer Intern

Pinnacle EDU | Summer 2026 - Present

  • Translated advising operations into a workflow-driven Next.js, React, and TypeScript CRM for an organization supporting 100+ advisors and 10K+ students, unifying communications, applications, meetings, documents, and next steps.
  • Prototyped an advisor-reviewed agent workflow that summarizes student history, identifies next steps, and drafts follow-ups over structured, role-scoped CRM context.
  • Migrated and reconciled 1,420 linked academic and application records from a legacy Vue/.NET and Aliyun MySQL portal into Convex with Clerk, UploadThing, and Vercel integrations.
  • Added fail-closed authorization, audit events, focused read models, performance telemetry, Playwright browser checks, CRUD E2E, RBAC, route, and API-security test suites.

Software Engineer

APAC Service Center | Oct 2023 - Oct 2025

  • Built multilingual operational workflows across Google Workspace, Twilio, and internal Salesforce, turning spreadsheet, email, PDF, document, and image inputs into traceable intake and outreach records.
  • Developed AWS Lambda microservices behind API Gateway for internal Salesforce and other operational integrations, and maintained SOQL mappings and a multi-class classifier for insurance cross-sell and premium monitoring.

Cloud Engineer Intern

Mission Cloud | Sep 2023 - Nov 2023

  • Standardized multi-account AWS environments with reusable CloudFormation, prototyped Lambda, API Gateway, and DynamoDB integrations, and documented repeatable deployment and handoff runbooks.

Core Skills and Expertise

Languages

PythonTypeScript / JavaScriptSQLC++C#

Infrastructure and backend

Next.jsReactNode.jsPostgreSQLRedisConvexSQLite / FTS5DockerLinuxAWSCloudFormationGitHub ActionsCI/CD

Reliability and security

Deterministic regression testingHuman review gatesEvidence grounding and provenanceSandboxingFail-closed authorizationRBACAudit eventsAPI and integration testingBenchmark claim validation

AI and ML systems

PyTorchTransformersGemma / OllamaAgent orchestrationTool callingStructured outputsRetrieval and memoryLLM evaluationRecommendation systemsSASRecItemCFNeuMFMCTS

Certifications

AWS Certified Developer - AssociateAWS Certified Cloud Practitioner