Skip to main content
linneaeas

Linnea Sjöberg

Developer | Web & Mobile

I build web and mobile applications with React, Next.js, and TypeScript. My experience includes content management, event registration, and payment integrations. Currently gaining hands-on experience through an internship while studying native and cross-platform mobile development.

GitHubLinkedInResume
Illustrated portrait of Linnea Sjöberg at her computer with a cat.
CORE STACK:
  • TypeScript
  • JavaScript
  • React
  • Next.js
  • React Native
  • Tailwind CSS
SELECTED WORK

Things I’ve Built

A selection of apps and experiments. Explore the ideas, implementation, and lessons behind each project.

05/2026 - Present

Saibon Website

From-scratch marketing website rebuild - in progress

A bilingual Next.js website built during my LIA internship, with reusable UI components, Storybook documentation, and Sanity-backed blog content.Next.jsTypeScriptReact+4
05/2026 - Present

RFA Website

Full-stack development in a volunteer role

Implemented Sanity-managed content, Supabase-backed event registration, and Stripe donation flows, with technical decisions agreed alongside the organisation's experienced contributors.Next.jsTypeScriptReact+7
2025 — 2026

Monita

React Native finance tracker with an iOS receipt-scanning prototype

Monita iOS: empty receipt list with options to add a receipt manually or scan it
Monita iOS: captured Normal receipt with options to retake or use the photo
Monita iOS: confirming the scanned receipt's merchant, date, and total of 337 SEK
Monita iOS: reviewing the first of five scanned items, with fields for name, price, quantity, and unit
Monita iOS: saved receipt summary showing merchant, date, total, and itemized purchases
Monita iOS: editing receipt items, with options to add an item, view the original receipt, or delete it
Project screenshots. Use left and right arrow keys to navigate.
Image 1 of 6
A React Native personal finance project for recurring bills and incomes, with a separate iOS receipt-scanning prototype.React Native (Expo)TypeScriptAsyncStorage+3
2025

Cat Face Detector

Object detection with YOLOv8 + COCO preprocessing

Close-up of a long-haired gray cat with a red detection box around its face
Reclining tabby kitten with a red detection box around its face
Black-and-white cat in a pink cage with an orange cat partly hidden behind it; blue detection boxes mark both faces
Two cats on a shelf in a pink cage, with blue detection boxes around both faces
Cat face detector test-set results: precision 0.9968, recall 0.9899, mAP@0.5 0.9949, and mAP@0.5-0.95 0.8486
Project screenshots. Use left and right arrow keys to navigate.
Image 1 of 5
Trained a YOLOv8 model to detect cat faces from images, with a full data prep + evaluation pipeline in a notebook.PythonUltralytics YOLOv8COCO+3
2024

Real-time Map Visualization Platform

Report and track sightings of outdoor cats in real time using Mapbox and live updates

Real-time cat tracker UI with Mapbox maps, filters, and live updates via Socket.IO when new sightings are reported.ReactJavaScriptEmotion+4
EXPERIENCE

My Journey

From web to mobile. The experiences that have shaped how I build.

05/2026 - 06/202608/2026 - PresentSaibon

Web Developer Intern

Internship (LIA)Rebuilding Saibon's marketing website from scratch with Next.js, TypeScript, reusable components, and Sanity-backed bilingual content.Next.jsReactTypeScriptTailwind CSS+2
05/2026 - PresentRFA

Full-Stack Web Developer

VolunteerVolunteer development of an organisation website, including content management, event registration, and donations, with technical decisions agreed collaboratively.Next.jsReactTypeScriptTailwind CSS+5
09/2025 - 11/2026 (expected graduation)Malmö Yrkeshögskola

iOS & Android Development

Higher Vocational Education • 280 YHPCross-platform mobile development with React Native and native iOS/Android using Swift/SwiftUI and Kotlin/Jetpack Compose, plus on-device AI with CoreML and ML Kit.React NativeSwiftSwiftUIKotlin+3
03/2025 - 05/2025IT-Högskolan

Python Programming for AI Development

Course • 30 YHPStudied Python and machine learning through a practical YOLOv8 cat-face detection project.PythonYOLOv8PandasJupyter+2
02/2025 - 03/2025NTI-skolan

Computer Technology

Course • 100 GYPComputer systems, networks, and operating systems fundamentals.NetworksOperating SystemsHardwareSystem Security
04/2024 - 06/202411/2024 - 01/2025Strawberry

Web Developer Intern

InternshipBuilt and maintained features with TypeScript and Preact in the Islands architecture, including reusable components and accessibility-focused testing.TypeScriptPreactContentful CMSEmotion CSS+2
03/2023 - 01/2025EC Utbildning

Frontend Developer Education

Higher Vocational Education • 400 YHPStudied frontend development, responsive web design, and UX/UI, with workplace-based learning and a thesis project.ReactTypeScriptAngularC#+2
2014 - 2023Excellence Hotels

Front Desk Receptionist / Office Coordinator

WorkWorked with property management and booking systems, maintained digital content, and trained more than 10 new employees.Property Management SystemsDigital ContentTrainingDocumentation+1

The beginning of the journey

LET'S CONNECT

Let's build somethinggreat together.

Have a project in mind, a role to discuss, or just want to say hello? I'd love to hear from you.

Send email