Android Developer

About Us

Flexoptix GmbH, located in Darmstadt, Hesse, Germany, is a telecommunications enterprise specializing in network transceiver solutions since 2008. Our motto, "Less Bullshit more Engineering," reflects our commitment to engineering excellence and innovation. We develop tailored high-end products, services, and applications, frequently pioneering industry-first solutions. Our diverse team of approximately 100 professionals from over 15 countries fosters an inclusive culture valuing varied perspectives and experiences.

Role Overview

We are seeking an experienced Android Developer to lead the creation and upkeep of our native Android app using Kotlin, handling the process from initial design stages through to Play Store deployment. You will collaborate closely across iOS, backend, hardware, and quality assurance teams to deliver adaptive user interfaces based on Figma designs and integrate mobile apps with embedded devices. You are expected to contribute to critical technical decisions, maintain code quality through clean coding and code reviews, and remain abreast of the latest trends and technologies in Android development.

Key Responsibilities

• Design, build, and maintain native Android applications using Kotlin.
• Integrate mobile applications with embedded hardware devices.
• Develop adaptive user interfaces derived from Figma mockups.
• Engage in technical decision making, ensuring clean and maintainable code with peer reviews.
• Keep updated with emerging Android development frameworks and best practices.
• Work collaboratively with cross-functional teams, including iOS, backend, hardware, and QA.

Candidate Profile

• Minimum of 3 years of professional experience developing native Android applications with Kotlin.
• Strong knowledge of Jetpack Compose, Material3 design guidelines, Coroutines/Flow, and modern architectural patterns.
• Proficiency with tools such as Android Studio, Git version control, and Jenkins Pipelines.
• Solid understanding of unit testing and adherence to agile development methodologies such as Scrum.
• Experience utilizing AI-assisted development tools like Copilot or Claude, along with the ability to critically assess their outputs.
• Additional skills that are advantageous include Kotlin Multiplatform, Firebase services, Java programming, and familiarity with iOS/Swift development.
• Language skills: Basic proficiency in German (A1 level) and advanced proficiency in English (C1 level), with confident verbal and written communication in both languages.

What We Offer

• Competitive salary paired with a comprehensive company pension plan and enhanced health insurance benefits beyond basic coverage.
• High-quality IT and office equipment tailored to your preferences, including operating system and hardware.
• Partnership with fitness facilities to support your health and wellness.
• Daily nourishment options such as diverse lunch menus, fresh fruit, cereals, and office-wide chocolates to satisfy cravings.
• Opportunities for professional growth through workshops, conferences, language courses, advanced training sessions, and webinars.
• Convenient office location surrounded by nature, accessible via public transport, car, or bicycle, with bicycle parking and warm showers onsite.
• 30 days of paid annual leave to recharge and explore.
• Bicycle leasing program encouraging eco-friendly, healthy commutes.
• Flexible hybrid working arrangement, requiring three on-site days per week.
• Discounted public transport tickets to facilitate commuting and travel.
• Chance to impact the telecommunications industry by working on innovative, deep tech products with meaningful value.

Additional Information

Flexoptix GmbH is committed to equal opportunity and diversity, welcoming applicants regardless of race, religion, color, national origin, gender, sexual orientation, age, marital status, or disability.