Senior Software Engineer - Mobile/Android (m/f/d)

United States Digital Space LLC; Berlin; Vor Ort; EUR 90.000 - 130.000; Vollzeit

Benefits dieser Stelle

Travel vouchers

Work from anywhere

Hybrid work model

Wellbeing support

Learning & development

Mentoring program

Zusammenfassung

United States Digital Space LLC is seeking a Senior Software Engineer - Android to shape mobile experiences for millions of users. You will design, develop, and maintain scalable Android applications, collaborating with iOS, Backend and Feature teams to ensure seamless cross‑platform integration.

The role emphasizes performance optimization, clean architecture, and delivering high‑quality products with data-driven improvements.

Qualifikationen

• 6+ years of Kotlin Android experience with Jetpack Compose and MVVM.
• Strong understanding of Android architecture and SOLID principles.
• Experience with unit, integration, and UI testing; write testable code.
• Ability to drive technical strategy with documentation (RFCs/POCs/SOPs).
• Customer-centric approach and strong collaboration across teams.
• Willingness to learn new tools, technologies, and frameworks.

Aufgaben

• Design, develop, and maintain Android apps with focus on scalability and UX.
• Collaborate with iOS, Backend, and Feature teams for cross‑platform integration.
• Drive architecture enhancements and codebase modernization; maintain RFCs/docs.
• Improve performance, accessibility, and battery/memory usage for a great user experience.
• Mentor engineers and promote technical excellence through code reviews.

Kenntnisse

Kotlin

Jetpack Compose

MVVM

Coroutines

Android architecture

SOLID principles

Tools

GraphQL

Firebase

Crashlytics

Dagger/Hilt

Espresso

JUnit

GitLab CI/CD

Fastlane

Docker

Jobbeschreibung

At the company, we offer a tech-driven environment where innovation meets real-world impact, with competitive pay, strong growth opportunities, and a culture of collaboration and ownership.

We're looking for a Senior Software Engineer - Android (m/f/d) to help shape the future of the company mobile experiences, making travel seamless for millions of users worldwide. In this role, you'll be a key contributor to developing high-quality, scalable, and user-friendly Mobile applications that enhance the passenger journey.

You'll be joining the Android Team under the Mobile Cluster in our Customer Experience Stream - Demand Division. You will be a part of a diverse team of individuals including product owner, UX specialist, Agile tester and engineers. Our team is responsible for the travel onboarding journey and post-booking experience, ensuring our app is the most convenient travel companion for our passengers.

Beyond our team, we also actively collaborate actively with our iOS and feature based teams in other streams and divisions to create a seamless, mobile experience. This involves delivery high quality work with end-to-end testing and a smooth transition to a fully integrated travel experience journey in mobile.

Our Tech Stack:

Languages & Architecture: Kotlin, Jetpack Compose, MVVM, Clean ArchitectureNetworking & Data: GraphQL, Firebase Remote Config, CrashlyticsDependency Injection: Dagger/HiltTesting: Espresso, Robolectric, JUnitCI/CD & Automation: GitLab CI/CD, Fastlane, DockerCollaboration Tools: Figma, Microsoft Teams, Atlassin Jira, Confluence, Atlas etc

About the Role

Design, Develop, and Maintain high-quality Android applications with a focus on scalability, performance, and user experienceCollaborate closely and effectively with iOS, Backend, and Feature based Teams to align on feature specifications and ensure smooth cross-platform integrationDrive technical improvements across the entire codebase, including architecture enhancements and codebase modernization and prepare/maintain technical documentation as and when requiredEnhance app performance and user experience through UI optimizations, accessibility compliance, and improvements in battery usage, memory management, and load times with focus on an excellent customer experience and delivering high quality productsLeverage analytics & metrics to make data-driven decisions, optimizing performance and engagement based on user behavior and app healthMentor and support fellow engineers, promoting a culture of technical excellence, and collaboration through code reviews and sharing best practicesStay up to date with the latest Android trends, tools, and technologies, incorporating innovative solutions to improve the team's workflow and drive mobile development excellence

About You

6+ years of extensive experience and strong expertise in Kotlin (Jetpack Compose, MVVM, Coroutines), with a deep understanding of Android architecture, best practices along with SOLID principles and software architecture patterns etcExperience with testing (unit, integration, UI testing) and a strong commitment to writing testable, maintainable, high-quality code.Ability to drive technical strategy ensuring high standards in code quality, performance, and scalability, focusing on product impact with proper documentation (RFCs, POCs, SOPs etc) and improve processes as needed e.g, incident management, release processes etcCustomer-centric approach with a focus on delivering great user experiences and strong collaboration skills to work closely with iOS, Backend, and Hybrid teams.Continuous Learner's Mindset: Willingness to learn new tools, technologies, and frameworks as mobile development evolves.

Nice to have

Experience with hybrid frameworks/platforms (Kotlin Multiplatform Mobile, React Native) and understanding their architecture.Experience with GraphQL, REST APIs, and integrating backend services.Experience in UI/UX design or a good eye for design principles and user interface consistency.

We recognize that everyone carries a unique set of valuable skills and experiences. If you think you could have an impact even though you don't meet 100% of the requirements, we still encourage you to apply. We want to hear from you!

What We Offer

Travel perks: 12 free the company vouchers + 12 discount vouchers for friends & family.Work from (M)Anywhere: Depending on your role, work from another location for up to 60 days per year.Hybrid work model: We are an office-first company, but we offer flexibility to balance work and life.Wellbeing support: Access confidential 1:1 counselling, courses, and stress management for yourself and up to four family members.Learning & Development: Take advantage of language classes, training courses, and expert-led sessions to grow your skills.Mentoring Program: Connect with experienced colleagues to gain insights and accelerate your career.

To view more local benefits specific to each office location, please check out this link:Locations - the company Career

Why Join the company?

At the company, we empower our teams to push boundaries and shape the future of mobility. As we continue to scale globally, we harness cutting‑edge technology to make mobility smarter, more sustainable, and more affordable.

If you're looking for a place where you can drive change and redefine how millions of people travel, the company is the place where you can lead your journey!

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