Senior Fullstack Engineer: C#, React/TypeScript & Java

AppGate; Göteborgs kommun; On-site; SEK 900,000 - 1,200,000; Full time

Benefits offered by this job

Ownership of features

Room to grow

Collaborative team

Job summary

Appgate is seeking a senior fullstack developer to join the Core team in Gothenburg. The role spans client-side C# with React/TypeScript and Electron, and the Java REST backend powering the product.

You will move across backend and frontend boundaries, contribute to AI-enabled features, and help shape engineering decisions. You should bring strong C# skills, backend Java familiarity, and experience with React/TypeScript and Electron.

Qualifications

• Strong professional experience with C#.
• Backend development experience, ideally with Java.
• Experience with, or working knowledge of, React, TypeScript and Electron.
• Confidence supporting and debugging software across Windows, macOS and Linux.
• A working understanding of Unix systems.
• An interest in writing maintainable code and improving how it is tested and delivered.
• Good communication skills in English.

Responsibilities

• Develop features for the Appgate client using C#, React/TypeScript and Electron.
• Develop features for the Java REST backend.
• Investigate and resolve problems across applications, operating systems and networks.
• Improve automated testing, developer tooling and build and release workflows.
• Shape technical solutions through design discussions, code reviews and collaboration across teams.

Skills

C#

React/TypeScript

Electron

Java

Windows/macOS/Linux

Unix systems

English

Job description

Appgate is seeking a senior fullstack developer to join the Core team in Gothenburg. The role spans client-side C# with React/TypeScript and Electron, and the Java REST backend powering the product.

You will move across backend and frontend boundaries, contribute to AI-enabled features, and help shape engineering decisions. You should bring strong C# skills, backend Java familiarity, and experience with React/TypeScript and Electron.