Oskari Pessinen
Full-Stack Developer
I build accessible, performant, and responsive web applications. Passionate about modern tech stacks and user experience.
About Me
I am a passionate full-stack developer with a strong foundation in both front-end and back-end development. Currently pursuing my bachelor's degree in Information and Communication Technology at the University of Turku (2023-2026), I combine academic knowledge with practical experience in building web and mobile applications.
Skills & Technologies
TypeScript
React
Next.js
Tailwind CSS
PostgreSQL
Node.js
Featured Projects
Here are some of my recent projects I've worked on.
StructuraTop-5 overall in Since Ai Hackathon 2025
AI‑powered funding advisor that suggests grants, loans and equity‑like instruments based on a company’s stage, size and needs.
Next.jsTypeScriptTailwind CSSshadcn/uiPrismaPostgreSQL
Compkit
An AI-powered platform to generate, share, and install custom UI component libraries instantly. Just describe your component, publish, and install with a single command.
ReactTypeScriptTailwind CSSNode.jsSupabase
Espoo Business Advisor2nd place in Junction 2025 Espoo Challenge
Multilingual web app that guides users through a short Q&A and generates a clear summary for business advisory meetings.
Next.jsTypeScriptTailwind CSSPrismaPostgreSQL
Shareflow
React Native (Expo, TypeScript) app for shared and personal finances and investments, using Expo Router for navigation, Zustand for state, and NativeWind for styling.
React-NativeExpoNode.jsExpressSupabaseGoogle Auth
Notia
Notia is a React-based note-taking client featuring real-time collaboration over WebSockets. It offers sharing, OAuth sign-in, REST API integration, and Jest + RTL tests.
ReactNode.jsMongoDBGoogle AuthSocket.ioJestRTL
Stock Tracker
Mobile app for tracking stock prices and managing a portfolio with real-time market data and alerts.
React NativeYahooo Finance APIExpo
Price Finder
Mobile app that finds and compares product prices across online stores to help users spot the best deals.
React NativePythonFlaskebay API
Contact Me
Feel free to contact me via email or LinkedIn.