Oskari Pessinen

Building production-ready web products with clean design, strong engineering, and modern cloud infrastructure.

About

I am a software developer focused on full-stack engineering, reliability, and cloud-native delivery. I focus on building production-ready systems with clear architecture and dependable execution.

Education

B.Sc. (Tech.) in Information and Communication Technology

University of Turku - 2023 to 2026

Bachelor's thesis on serverless cold start behavior and performance impacts in cloud-native systems.

Skills

Programming: TypeScript, Python, Java, SQL, C++

Frameworks: Next.js, Node.js, React.js

Infrastructure: Docker, AWS, PostgreSQL, MongoDB, Redis, GitHub Actions

Testing & Systems: Linux, CI/CD, automated testing, IP networking basics

Experience

Software Developer

Attractor Oy - 10/2025 to Present

Full-stack development focused on technical execution, system reliability, and production-ready delivery using modern web and cloud technologies.

Implemented testing and validation practices in CI/CD workflows to maintain production quality.

Organizing Team Member

Since AI ry - 01/2026 to Present

Organizing an AI-focused hackathon in collaboration with industry partners and supporting event development, coordination, and technical planning.

Selected Work

Projects

Products, experiments, and competition projects that focus on clarity, performance, and delivery.

Espoo Business AdvisorJunction 2025 Hackathon - 2nd Place (Espoo Challenge)

Model-assisted advisory tool for the City of Espoo that helps entrepreneurs prepare before advisor meetings through guided inputs and summary generation. Built with Next.js and TypeScript, deployed on Vercel, and integrated with recommendation flows for practical decision support.

Demo

Funding AdvisorSince AI Hackathon - Top 5 Overall

Application that analyzes company profile data and suggests suitable funding instruments with tailored justifications. Implemented with Next.js and TypeScript, using the Qwen 3 80B model for structured recommendation generation and transparent reasoning output.

Demo

Stox

Web-based market monitoring dashboard for stocks and indices with near real-time updates and responsive UI views. Built with React and TypeScript, backed by a REST API with Redis caching, and delivered through Dockerized CI/CD pipelines on GitHub Actions with deployment across AWS and Vercel.

Code

Cloud-Native Distributed Task Processing System

Production-oriented distributed task execution platform designed around cloud-native architecture and horizontal scalability. Implemented in Go with a stateless API layer, PostgreSQL as the source of truth, Redis-backed queueing, concurrent worker pools, and Docker-based service orchestration for reliable asynchronous processing.

Code

Navi

Interactive command-line assistant for Linux environments with autocomplete and context-aware suggestions integrated directly into the Zsh prompt. Built in Python with a low-latency CLI architecture focused on fast response times, smooth shell integration, and practical day-to-day developer workflows.

Code

Let's Build

Contact

Feel free to reach out via email or LinkedIn for project collaboration or opportunities.

Email

oskari.pessinen@gmail.com

Oskari Pessinen