Full-Stack Developer

Shuang
Wu

I build full-stack web and mobile applications — from voice-driven AI interfaces to clean, tested frontends. Currently studying Business IT at Laurea UAS (Helsinki) and shipping real products.

6+ Languages & Frameworks
5+ Completed Projects
3 Certifications
4 Languages Spoken

CURRENT STACK

React Native TypeScript Firebase Gemini AI Node.js

What I work with

Kielo the cat
Chief Debugging Officer

Kielo

Every great project needs a QA lead. Kielo audits every late-night commit, enforces mandatory keyboard-walking checks, and delivers unsolicited code reviews via enthusiastic headbutts. Officially uncertified — unofficially indispensable.

Bug Detection Night Shifts Keyboard QA

Frontend

React, React Native, TypeScript, JavaScript ES6+, HTML5, CSS, Tailwind, Material UI

Backend

Node.js, Express.js, Firebase Cloud Functions, REST APIs, GraphQL, JWT, MongoDB, NoSQL

AI & Data

Google Gemini AI, LLM fine-tuning (LoRA), Python, Pandas, NumPy, Scikit-Learn, Transformer models

Cloud & DevOps

Firebase (Auth, Firestore, Functions, Distribution), AWS Cloud Foundations, Docker, GitHub Actions, CI/CD

Testing & QA

Jest, Cypress, ISTQB Foundation (certified), Postman, Agile/Lean methodology, Jira

Languages

English (fluent), Finnish (proficient), Chinese (native), German (conversational)

Things I've built

2025 AI / NLP

Finnish Healthcare Policy LLM

Fine-tuned TurkuNLP GPT-3 Finnish Medium (350M params) on curated healthcare policy articles using LoRA. Achieved +25% improvement in domain terminology and +6.5% text diversity over the base model.

Python LoRA Transformer TurkuNLP
2024 Full Stack

Snack Web Shop

Full-stack e-commerce application with a React.js frontend and TypeScript backend. Iterative development with payment API integration and security hardening in progress.

React.js TypeScript Node.js
2024 Freelance

Autossey.shop

Frontend components for a Chinese used-car dealership e-commerce platform. Built product filter components, shopping cart, and validated backend API performance.

React JavaScript REST API
2024 Data

Personalized Tax Data Report

Analyzed financial data for a U.S. green card applicant. Generated visual tax summaries (bar, line, timeline charts) accepted by a New York law firm to demonstrate income compliance.

Python Pandas Seaborn Jupyter

Experience & Education

Work Experience

Software Developer Intern

Upcoming

Bravori Oy, Helsinki — May–Aug 2025

  • Frontend features for educational mobile app (React Native + Firebase)
  • Speech-to-text AI & audio accessibility features
  • Agile/Lean team collaboration

Consulting Interpreter

Kivijärven Turkisyhtymä — Jan 2017–Feb 2020

  • Finnish–Chinese business & cultural mediation
  • Export regulation consulting & market entry advisory

Education & Certifications

B.A. Business Information Technology

Laurea UAS, Helsinki — 2024–Ongoing

AWS Cloud Foundations

AWS Academy — Jul–Aug 2025

Full Stack Open

University of Helsinki — Oct 2023–Feb 2024

JavaScript, React, Node.js, Cypress, Jest

ISTQB Foundation Level

ASTQB — Feb–Mar 2023

Agile testing & development optimization

IBM Data Science Professional

IBM / Coursera — Mar–Jun 2020

Python, AI fundamentals, NumPy, Scikit-Learn

M.A. University of Turku  |  B.A. JAMK University

2019  |  2015

Get in touch

I'm open to internship opportunities, freelance work, and collaborative projects. Drop me a message and I'll get back to you.