(Senior) Android App Developer

Description

The company develops medicines and diagnostic products and employs more than 100,000 people worldwide.

This senior individual contributor role gives you deep technical ownership of components in the company's diagnostics platform.

You will design and build reusable Android components, frameworks and libraries that run across several medical diagnostics systems.

Your work shapes how reliable, secure and scalable the software is in life-saving medical settings around the world.

Responsibilities

• Design, build and maintain shared Android apps, components, libraries and frameworks in Kotlin and Java.
• Lead the modular Android architecture and set patterns that make systems scalable, easy to maintain and reusable.
• Manage backward compatibility, versioning, lifecycle and migration of shared components.
• Create stable, well-documented APIs that meet company quality processes and regulatory requirements.
• Review designs and code, flag architectural risks and push consistent engineering practice.
• Mentor engineers through code reviews, design discussions and modern engineering practice.
• Turn common needs from project teams into reusable platform capabilities.
• Investigate complex issues that affect several apps and fix their root causes rather than symptoms.
• Write unit, integration and UI tests where they fit.
• Plan and run software unit verification, as developer or development tester of a given component of the diagnostics platform.
• Apply secure design, protect sensitive data and handle app permissions in line with regulatory guidelines.
• Produce and maintain the technical documentation and development evidence a regulated medical environment requires.
• Work with product owners, system architects, quality, regulatory, cybersecurity and verification teams.

Requirements

• Strong hands-on Android skills combined with a systems mindset, so you solve a problem once and make the answer useful to many teams.
• You value clear interfaces, maintainable code, dependable tests and thorough documentation in a quality-driven, compliant setting.
• Highly proficient in Kotlin and strong in Java.
• Extensive experience building Android apps, shared software components, system-level architecture and Gradle build systems.
• Hands-on use of AI-assisted tools in software development workflows.
• Proven record of designing modular architectures, managing APIs and using versioning and dependency tools in highly regulated or safety-critical sectors such as medical devices, automotive, aviation, defense or railway.
• Solid grasp of the Android SDK, application lifecycles, memory management, clean architecture and dependency injection.
• Solid experience with unit and integration test automation and pipeline integration in Azure DevOps or GitHub.
• Professional fluency in English, written and spoken.
• Able to travel 5% to 10% of your time, mainly within Europe.
• Beneficial: familiarity with healthcare and MedTech software standards IEC 62304, ISO 13485, ISO 14971 and IEC 81001-5-1.
• Beneficial: experience with threat modeling, secure data handling, design controls and regulatory submission documentation.

Conditions

The company is an equal opportunity employer.

Benefits

• Build software that supports medical diagnostics and contributes to better healthcare.
• Hold significant technical ownership without being expected to move into people management.
• Collaborate with experienced engineers and specialists in software, systems, quality, regulatory and cybersecurity.
• Help shape reusable technology used across multiple products.
• Work in a professional environment that values engineering quality, continuous learning and careful technical decisions.