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.
CURRENT STACK
Skills
What I work with
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.
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)
Projects
Things I've built
AI Voice Medical Assistant (Aido)
A React Native mobile app with a Firebase serverless backend designed for healthcare voice queries. Nurses speak a medication name and receive instant, FDA-compliant clinical summaries. Features a freemium quota system, real-time voice processing, and a card-style medical-grade UI.
- Google Gemini 2.5 Flash for voice transcription & FDA data intelligence
- Pre-cached FDA/SaMD data for sub-50ms lookups with intelligent fallback
- Microservices via Firebase Cloud Functions with atomic Firestore writes
- Freemium quota enforcement, analytics, in-app version control
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.
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.
Autossey.shop
Frontend components for a Chinese used-car dealership e-commerce platform. Built product filter components, shopping cart, and validated backend API performance.
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.
Background
Experience & Education
Work Experience
Software Developer Intern
UpcomingBravori 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
Contact
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.