Senior Kotlin Software Engineer

Senior Kotlin Software Engineer

Role Overview

We are looking for an experienced software engineer to contribute to the development of cross-platform applications for e-bike analytics, maintenance, and factory assembly. In this role, you will design, implement, test, and maintain high-quality software in close collaboration with other engineers and cross-functional partners.

You will work at the intersection of desktop applications, embedded device communication, and factory tooling, enabling reliable interaction with e‑bike systems via USB/HID and other interfaces.

The position is based in our office in Cham (ZG) and has a 4-day in-office expectation.

Key Responsibilities

• Application DevelopmentDesign and implement shared business logic across our desktop platforms using Kotlin and KMP. Integrate platform‑specific components where required. Develop clean, maintainable, and testable code following established engineering standards and design principles. Write and maintain unit, integration, and automated tests to ensure software quality and reliability. Participate in code reviews and contribute to the continuous improvement of coding standards and development practices. Analyse and resolve software defects, performance issues, and reliability problems across supported platforms. Contribute to CI/CD pipelines, build automation, release processes, and development tooling. Create and maintain technical documentation for implemented features, interfaces, and operational workflows. Collaborate with product management and quality teams to refine requirements and define clear acceptance criteria. Use and contribute to AI-enhanced software development processes

• Embedded & Device CommunicationDesign and implement robust communication with embedded e‑bike systems. Work with USB/HID and other wired interfaces to support diagnostics, maintenance, and factory assembly processes. Collaborate closely with embedded firmware engineers to align protocols and tooling.

• Cross‑Functional CollaborationWork closely with the solution architect, product management, embedded teams, manufacturing, and quality teams. Communicate technical topics clearly and collaborate effectively across disciplines. Contribute to planning, estimation, and technical risk assessment.

Required Qualifications

• Strong experience with Kotlin and Kotlin Multiplatform (KMP) in production systems.
• Strong understanding of Ktor and modern asynchronous/networked application design.
• Experience contributing to complex software systems with a focus on maintainable, testable code.
• Hands‑on experience with device communication, ideally using USB/HID protocols.
• Strong background in software engineering best practices, including testing, code reviews, and CI/CD.
• Ability to work independently, contribute constructively to technical discussions, and support team delivery.
• Excellent communication skills and a strong team‑player mindset.