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Software Engineer · Recent UCSB CS Graduate

JunjieLiu

Qualifications at a glance

I build full-stack and desktop software across the interface, API, data, and cloud layers—with project work in real-time integrations, geospatial search, and campaign systems.

Core stack & tools
TypeScript · JavaScript · Python · Java · C++ · React · Next.js · Node.js · Express.js · PostgreSQL · AWS · Docker · Git · CI/CD · REST APIs · WebSockets · Jest · Playwright

Seeking full-time software engineering opportunities.

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Selected work

A few things I’ve built

01 / 04

  1. Desktop systems

    August 2026 – Present · In progress - due to Riot developer policy, code is under review.

    League Assistant

    A desktop companion that turns live League of Legends champion select data into useful role, rune, and matchup recommendations.

    • Real-time event handling
    • Desktop client integration
    • Recommendation logic

    Electron · React · TypeScript · Node.js

    View project

  2. Full-stack web application · Practice project

    April 2026 – Present · In progress

    DireConnect

    An actively developed full-stack practice project for small businesses to manage customer data and run targeted email outreach.

    • Email campaigns & delivery logs
    • Queued campaign processing
    • Business-owned customer data

    Next.js · React · TypeScript · Express

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  3. UCSB capstone · In collaboration with Planet Labs

    September 2025 – March 2026 · Completed

    Planet Story Explorer

    An interactive geospatial search experience that makes more than 35,000 Planet Stories easier to explore, filter, and discover.

    • 35,000+ stories
    • Geospatial search
    • AI-assisted discovery

    React · TypeScript · FastAPI · PostgreSQL

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  4. Mobile application · Team project

    January 2025 – March 2026 · Completed

    SkillScan

    A cross-platform mobile application connecting an Expo-based client to cloud data, a Flask service, and Gemini-powered features.

    • Cross-platform mobile
    • Cloud data
    • AI integration

    React Native · TypeScript · Expo · Firebase

    View project

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Technical toolkit

The stack behind my work.

I’ve used these technologies across full-stack products, real-time desktop integrations, mobile applications, geospatial search, automated testing, and AWS-focused cloud work.

Languages

C++ / Java / JavaScript / TypeScript / SQL / Python

Frameworks & libraries

React / Next.js / React Native / Electron / Node.js / Express.js / FastAPI / Tailwind CSS

Databases & platforms

PostgreSQL / MongoDB / Redis / Supabase / Firebase / AWS / Linux

Tools & technologies

Git / GitHub Actions / Docker / Prisma / BullMQ / WebSockets / REST APIs / Jest / Vitest / Playwright / Sentry / CI/CD

See coursework and complete background

Say hello

Looking for a new grad engineer?

I’m currently seeking full-time software engineering opportunities and would be glad to talk about a role, a project, or the work your team is doing.

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