Senior Fullstack Engineer - Web/Mobile Bridge (Remote)

Galaxus; Zürich; Hybrid; CHF 120,000 - 160,000; Full time

Benefits offered by this job

Work-from-home options

Workation up to 8 weeks

80% workload option

Job summary

Galaxus, Switzerland’s leading e-commerce platform, is seeking a Senior Fullstack Engineer for Team Appic. You’ll link web frontend to native apps, building web interfaces and APIs that power mobile experiences, while ensuring push notifications are delivered reliably.

You bring 5+ years in fullstack development (React/TypeScript frontend, .NET/C# backend), with GraphQL and MongoDB experience, plus mobile skills (Swift/Kotlin). Fluent English is required; German is a plus.

Qualifications

• 5+ years of hands-on fullstack web development.
• Degree in Computer Science or equivalent.
• Experience with React/TypeScript and .NET/C#.
• Experience with GraphQL and MongoDB.
• Mobile development experience (Swift, Kotlin).
• Familiarity with iOS/Android end-to-end lifecycle.
• Fluent English; German is a plus.

Responsibilities

• Design, build, and ship code across the full stack from frontend to backend.
• Maintain web-facing interfaces and APIs used by mobile apps; enable WebViews integration.
• Ensure push-notification backend reliability to deliver required pushes.
• Coordinate native feature development for iOS and Android with feature teams.
• Coach and mentor engineers, explaining complex topics clearly.

Skills

Fullstack web dev

React/TypeScript

.NET/C#

GraphQL

MongoDB

Mobile development

Android/iOS

English (fluency)

German a plus

Education

CS degree (Bachelor/Master)

Tools

Swift

Kotlin

Job description

Galaxus, Switzerland’s leading e-commerce platform, is seeking a Senior Fullstack Engineer for Team Appic. You’ll link web frontend to native apps, building web interfaces and APIs that power mobile experiences, while ensuring push notifications are delivered reliably.

You bring 5+ years in fullstack development (React/TypeScript frontend, .NET/C# backend), with GraphQL and MongoDB experience, plus mobile skills (Swift/Kotlin). Fluent English is required; German is a plus.