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Kevin Pei

WIPThis portfolio is a work in progress.

Hello, I’m Kevin.

Hello, I’m Kevin.

Software Engineer
New York, NY

I build backend systems and the infrastructure that agents run on.

Computer science at NYU.
Currently at Korr Insurtech and NYU’s High Speed Research Lab.

My idea board

Where I’ve been working

Where I’ve been working

Korr Insurtech

Software Engineer Intern
May 2026 — Present

  • Cut core document workflow load time 65% with parallel server-side queries and ElastiCache.
  • Consolidated 60+ HTTP Lambda functions into a single Express Lambda behind API Gateway — cold-start surfaces from 60 to 1, provisioned memory down 93%, monthly infrastructure cost down 29%.
  • Migrated 100,000+ insurance policies off a legacy administration platform, writing reconciliation logic that hit 99.9% field-level accuracy against source.
  • Shipped 5 insurance-operation workflows end to end across REST APIs and OpenSearch.

NYU High Speed Research Lab

Server Development Lead
Dec 2025 — Present

  • Extend Corelink's JS and Python open-source libraries — a data-agnostic transport framework for real-time applications.
  • Reduced streaming jitter 20% and added support for 4+ protocols, enabling browser-native streaming.
  • Built a credential-provisioning REST API with TTL leases and cleanup, replacing manual credential workflows.

INF.ai

Software Engineer Intern
Jun 2025 — Aug 2025

  • Scaled a securities-exam prep platform to 500+ concurrent users by optimizing query and request handling.
  • Implemented role-based access across test modules, admin dashboards, and instructor performance analytics.
  • Built timed-exam state management with Valtio, enforcing exam progress and sequential navigation.
Things I’ve built

Things I’ve built

PersonaLab ↗

1st place — NYU Buildathon

An automated UX-testing platform that deploys browser agents to simulate diverse user personas across product workflows.

Build notes
  • Asynchronous BullMQ + Redis pipeline supporting 12+ concurrent browser simulations.
  • Agentic loop with retry logic, state recovery, and stall detection for reliable behavior across multi-step e-commerce flows.

TypeScript · Next.js · BullMQ · PostgreSQL · Docker
Feb 2026

AgentOS ↗

1st place — Claude Hackathon, Columbia

A Fiverr-style marketplace for configuring and deploying specialized OpenClaw agents.

Build notes
  • FastAPI and Docker orchestration layer that provisions isolated, role-configured agents with persistent memory and scoped OAuth integrations.
  • Private Docker bridge network for task dispatch between the platform and worker containers.

Python · FastAPI · Docker · Next.js · Supabase · OAuth
Apr 2026

Compco

Co-founder

A Looking-For-Group platform for community events across Shanghai, reaching 200+ monthly active users.

Build notes
  • Built and deployed backend services, authentication, and account management on Alibaba Cloud.

TypeScript · React · Node.js · Figma · AliCloud
Apr 2023 — Aug 2024

A note on school

A note on school

New York University
B.S. Computer Science, Data Science minor

GPA 3.83 / 4.0
Expected May 2028

My toolkit

My toolkit

Languages
Python, TypeScript, JavaScript, SQL

Frameworks
React, React Native, Next.js, Node.js, FastAPI

Cloud & Infra
AWS, GCP, PostgreSQL, DynamoDB, Redis, OpenSearch, ElastiCache, S3, SQS, Docker

Tools
Git, Claude Code, Cursor, Supabase, Figma