Fullstack Developer

Danda AB; Göteborgs kommun; On-site; SEK 600 000 - 800 000; Full time

Job summary

A leading technology firm in Göteborg is seeking a skilled frontend developer to drive the transformation of a digital product from Neptune to REACT. The role involves maintaining the application while modernizing its UX/UI patterns. The ideal candidate will have extensive experience with React and TypeScript, along with a strong understanding of state management and testing approaches.

Qualifications

• Experience with unit and integration testing tools like React Testing Library and Jest.
• Ability to analyze old codebases and identify reusable logic.
• Understanding of gradual migration strategies and performance optimizations.

Responsibilities

• Drive the transformation from Neptune into REACT.
• Maintain and contribute to the application and team.
• Modernize UX/UI patterns during the migration.

Skills

React (including Hooks, Context API and component composition)

TypeScript

State management solutions (like Redux or React Query)

HTML5, CSS3 and modern styling techniques

Understanding of RESTful APIs (or GraphQL)

Unit and integration testing

Experience in rewriting legacy frontend systems

Tools

Build tools (ex. Vite)

Linting, formatting and code quality tools

Git

Design systems and component libraries

Job description

Overview

PlanIT is the next generation of Sparepart management planning for Automotive customer. The digital product is built on Azure with a frontend built on Neptune. We need a person to drive the transformation from Neptune into REACT. This is a long term assignment and we want the person to stay in our team to maintain the application. Primarily the front end but also contribute in the maintenance team in general.

Main technical skills

• React (including Hooks, Context API and component composition etc.)
• TypeScript
• State management solutions (like Redux or React Query)
• HTML5, CSS3 and modern styling techniques (ex. Styled Components)
• Understanding of RESTful APIs (or GraphQL)
• Unit and integration testing (React Testing Library, Jest, Playwright)

Migration-Specific Skills

• Experience in rewriting legacy frontend systems to React
• Ability to analyze old codebases (Neptune in this case) and identify reusable logic
• Understanding of gradual migration strategies
• Refactoring skills to modernize UX/UI patterns during the migration
• Knowledge of performance optimizations in React during rewrites

Tools/Ecosystem

• Build tools (ex. Vite)
• Linting, formatting and code quality tools (ESLint, Prettier)
• Git
• Design systems and component libraries (Storybook, MUI, etc.)
• Understanding of accessibility (a11y) best practices
• Experience with CI/CD pipelines (ex. Azure DevOps)
• Work is to be performed from office in Arendal - Göteborg