Software developer / Consultant

Steinar Freyr Kristinsson

Full-stack developer with strong experience in React Native, TypeScript, React, Node.js, NestJS, NextJS and .NET. I mainly build mobile apps, with backend work and web development.

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About

I’m a software developer based in Sweden, working through building apps and services.

My main focus is React Native and TypeScript, but I’m quite adaptable.

Skills

React NativeTypeScriptReactNode.jsNestJS.NET CoreGraphQLREST APIs

Projects

Featured project

Landspítali sjúklingaapp

The Landspítali patient app brings practical care information, requests and follow-up together in one mobile experience for patients and relatives.

Note: You need Icelandic electronic ID or the Audkenni app to open the Landspitali app.

React NativeTypeScriptHealthcareiOSAndroid

View on App StoreiOS View on Play StoreAndroid More informationisland.is

Client mobile products

I build and maintain React Native apps with a focus on stable releases, thoughtful UX and delivery that works in production.

React NativeExpoTypeScript

Backend and integrations

I support product teams with APIs, integrations and backend architecture in Node.js, NestJS and .NET.

Node.jsNestJS.NET

Contact

Want to work together, discuss a project, or just connect?