I build scalable applications.
Hi, I'm Oskar — a fullstack developer with a strong focus on backend engineering, clean architectures, and building high-performance, maintainable software.
Technical Expertise
Core technologies I use to design, build, and ship production-grade software — from backend APIs and mobile clients to infrastructure and deployment.
Explore full skillsetBackend & API
Designing and building production-grade server-side systems with modern frameworks, robust APIs, and clean architecture.
- Kotlin (Spring/Ktor)
- Go (Gin)
- Node.js
- REST API
- ORM (Hibernate/GORM)
Mobile & Web
Crafting polished, cross-platform user experiences with declarative UI frameworks and responsive design.
- Jetpack Compose
- Material Design
- React
- Astro
- Tailwind CSS
Infrastructure
Managing containerized deployments, CI/CD pipelines, and Linux environments to ensure reliability and performance.
- Docker
- Linux
- GitHub Actions
- SQL
- ORM
Selected Work
A selection of projects reflecting real-world engineering challenges — from end-to-end encrypted systems to cross-platform applications.
LibrePass
A full-stack, open-source password manager built with end-to-end encryption, zero-knowledge architecture, and a Kotlin/Spring Boot backend for multi-device synchronization.
- Kotlin
- Spring Boot
- Compose
- Docker
- Unit Testing
Let's build something together
I'm actively seeking internships and junior developer opportunities where I can contribute to meaningful projects, solve real-world problems, and continue evolving as an engineer. Have a challenge in mind? Let's talk.