Evalynx
January — March 2026
Structured task-labeling and evaluation workflows: import validation, per-user sequencing, draft persistence, and export tooling.
Next.jsReactTypeScriptPrismaPostgreSQLBetter AuthZustand
Hello
Yiqin Chen — Backend & full-stack software engineer
About Me
Full-Stack Software Engineer & AI Systems DeveloperFull-Stack Engineer
Master’s student at the University of Pittsburgh, building research software, AI-assisted workflows, and data-driven web systems in HARI Lab.
Tech Stack
TypeScript, React/Next.js, PostgreSQL, Java/Spring Boot, Go, Python, and AI/RAG integrations.
Beyond Code
Lead guitarist, formerly with The Half Gallon Milk. BMX enthusiast. Rock and metal.
Technical Skills
Java
Python
JavaScript
TypeScript
Go
SQL
HTML/CSS
Featured Projects
GeniX
March — June 2026
An assessment platform with access-code authentication and provider-neutral AI assistant middleware for session routing, capability detection, and legacy compatibility.
Next.jsReactTypeScriptPrismaPostgreSQLRedisJest
Visit site — GeniXimHere Education Viewer
May 2026
React viewer for rehabilitation education packages, with manifest-based content loading, static asset routing, slide navigation, and responsive layouts.
ReactTypeScriptViteDocker
Interview Simulation Platform
February 2026 — Present
In development
An AI mock-interview platform connecting voice interaction, sandboxed code execution, and LightRAG-backed question planning and evaluation.
GoFastAPINext.jsTypeScriptLightRAGGemini / Vertex AIPostgreSQLDocker
CS Educator Portal
January 2025
Java and Vue teaching portal with learning resources, authentication, content management, and browser-based Java/C compilation.
JavaVueREST APIDocker
Digital Employee Platform
March — June 2024
Enterprise platform using Spring Boot, Vue, and MySQL. Contributed REST APIs and frontend workflows.
Spring BootVueMySQL
SmartShelf
Database project
A retail database built around a 3NF schema, role-based access control, inventory, and B2B/B2C workflows, with REST APIs and executive dashboards.
PostgreSQLFlaskVue
Work Experience & Education
Work Experience
January 2026 — Present
Next.jsReactTypeScriptPrismaPostgreSQLBetter AuthDocker
- Develop research platforms including Evalynx, GeniX, and imHere education modules.
- Build task labeling, import validation, progress tracking, draft persistence, and export tools.
- Implement magic-link/access-code authentication, RBAC, and provider-neutral AI assistant middleware.
- Audit LightRAG ingestion and retrieval, compare providers and query modes, and build evaluation workflows and a VM test environment.
July 2023 — June 2024
Spring BootMySQLPythonDockerNginx
- Developed enterprise backend systems and data pipelines.
- Built Python extraction and reporting services.
- Wrote recovery scripts after a critical data-loss incident.
- Optimized queries and APIs, reducing response times by 40%.
Education
Master of Science in Information Science
University of Pittsburgh
Pittsburgh, PA
- GPA: 3.833 / 4.0 (September 2026)
- Focus: Big Data Analytics
- School of Computing and Information
Bachelor of Science in Computer Science
North Carolina State University
Raleigh, NC
Coursework
Fall 2026
In progress- CMU 15-440Distributed Systems (Tue/Thu 11:00–12:20)
- INFSCI 2140Information Storage & Retrieval
- INFSCI 2160Data Mining
- INFSCI 1450Game Design
Spring 2026
- INFSCI 2440Artificial Intelligence
- INFSCI 2300Human Information Processing
- INFSCI 2150Information Security & Privacy
Fall 2025
- INFSCI 2710Database Management
- INFSCI 2591Algorithm Design
- TELCOM 2310Applications of Networks
Contact
Office
4103, School of Health and Rehabilitation Sciences
3396 Fifth Avenue
Pittsburgh, PA 15213
United States