Senior Android Engineer - Design System Team

Join SumUp as a Senior Android Engineer in our dynamic Design System team. You will play a pivotal role in transforming SumUp’s design language into a versatile library of user interface components and experience patterns. This initiative empowers product teams to create cohesive and accessible user experiences that resonate globally.The Design System team is poised for growth, reflecting SumUp’s expanding suite of merchant and consumer-facing products. This position presents a remarkable opportunity to enhance and innovate a system that accelerates feature development, ultimately delivering high-quality experiences to millions of users worldwide.Key ResponsibilitiesShape the core experience for users and developers within SumUp’s Android ecosystem.Collaborate closely with product and design teams to develop components that prioritize maintainability, usability, aesthetic appeal, and consistency.Integrate accessibility best practices into every component, ensuring compliance with content descriptions, touch target size, color contrast, and font scaling.Implement dynamic theming support, allowing for light/dark mode and brand variations that can be adjusted in real time or through configuration.Provide hands-on technical support to product teams to align with company objectives, including the upcoming brand refresh.Review code contributions, enforce design-system conventions, and mentor engineers on best practices for reusable UI development.Proactively identify and mitigate technical debt to uphold high standards of engineering excellence and codebase health.Qualifications3+ years of professional Android development experience, with a strong command of Kotlin and modern Android frameworks.At least 2 years of experience with Jetpack Compose.A passion for writing clean code, demonstrating a balance between pragmatism and perfection.A solid understanding of testing best practices: what to test, why, and how to create resilient tests.A keen eye for detail and a commitment to accessibility.Self-motivated with a structured working style, complemented by strong verbal and written communication skills in English.An enthusiasm for staying updated with advancements in the Android ecosystem and a desire to share knowledge with the Android community.Bonus QualificationsExperience in building and maintaining design systems or component libraries for Android, including theming, style guides, and reusable UI components.

About GetYourGuide GetYourGuide connects travelers with memorable experiences worldwide. Millions rely on our platform to discover and book unique activities. Our team is dedicated to making every journey better, helping people explore more of the world with ease. Our headquarters are in Berlin, with offices in cities such as New York and Bangkok. Learn more about our culture and open roles at getyourguide.careers. Role Overview: Senior Systems Designer The Senior Systems Designer will join the newly established Design Foundations team. This group shapes the core of our design strategy, focusing on building a modular design system that speeds up both design and development. The role involves refining system processes, working with partners across the company, and supporting scalability through collaboration with accessibility and localization teams. Automated tools and AI-driven patterns are central to our approach. What You Will Do Define, manage, and evolve GetYourGuide’s design language to ensure consistency, scalability, and effectiveness across all products. Integrate design, engineering, and product strategies, especially as automation, AI tools, and code-driven design become more important. Work closely with Product Design, Content Design, Product Management, Engineering, Research, and Data Products teams to support business goals. Participate in every stage of the design process: requirements gathering, ideation, concept development, validation, wireframing, prototyping, visual design, and implementation support. Guide teams in using the design system and promote systemic thinking over isolated solutions. Identify and incorporate new trends, such as generative UI, adaptive theming, and real-time personalization, into the design system roadmap. Create visually appealing, emotionally resonant, and precise designs that clearly communicate system patterns to engineers and stakeholders. Champion high standards in product design across the organization. Take initiative in addressing challenges and ambiguity, and adapt quickly to deliver meaningful results.

Bolt is looking for a Senior Design System Engineer in Berlin to shape the technical direction of a multi-platform design system. This position sits within the Web Architecture and Visual Experience (WAVE) team and focuses on advancing how Bolt builds and maintains user interfaces. Role overview This engineer leads the architecture for Bolt’s design system, working closely with both design system designers and platform engineering teams. The goal: streamline and elevate the UI development process across all products and platforms. What you will do Drive core design system initiatives, ensuring design foundations scale efficiently. Collaborate daily with designers, representing engineering perspectives and priorities. Contribute to the overall design system strategy and help align teams on shared goals. Deliver high-impact code that supports consistent, accessible interfaces. Own large-scale projects that influence how Bolt ships user interfaces. Impact This role offers the chance to advocate for accessibility and implement improvements that reach hundreds of millions of users. The Senior Design System Engineer helps shape how product teams approach UI development and accessibility at scale.

Lead the complete development lifecycle of high-performance Android applications utilizing Kotlin, Coroutines/Flow, Jetpack Compose, Dagger/Hilt, Retrofit, and Espresso, along with other cutting-edge technologies.Design and enhance a modular architecture that ensures long-term maintainability and reliable performance even under peak traffic conditions.Drive automation initiatives by establishing robust build, test, release, and deployment pipelines as integral aspects of the product (CI/CD).Function as a technical multiplier by elevating quality standards through code reviews, mentoring colleagues, and disseminating knowledge across Android teams.Collaborate with product, design, and editorial teams to shape features from concept to launch, ensuring optimal user value, reliability, and speed.Investigate and implement AI-driven development tools to enhance developer productivity and software quality, grounded in sound engineering principles.

scalablegmbh is seeking a Senior Android Engineer to join the team in Berlin. This position centers on designing and building Android applications that improve user experience and offer advanced functionality. What you will do Design and develop Android applications with a focus on usability and performance Work closely with colleagues from different disciplines to deliver cohesive mobile solutions Contribute to architectural choices and help shape the direction of mobile development Support the creation of scalable products that can grow with user needs Who we are looking for Experience building Android apps and a strong interest in mobile technology Comfort working on complex technical challenges Enjoys collaborating in a team setting and sharing ideas Motivated to have a meaningful impact on product quality and user satisfaction This role is based in Berlin and offers the chance to help shape the future of mobile solutions at scalablegmbh.

Join Our TeamBecome an integral member of SumUp's Mobile Platform Squad as a Senior Android Engineer and play a pivotal role in our growing Android ecosystem. With substantial investments directed towards flagship products, we empower our feature teams to create world-class user experiences. Your contributions will be key in establishing a solid foundation that enables over 40 Android engineers to work at peak productivity and efficiency, directly influencing the future of mobile payments for millions of merchants.Our engineering culture emphasizes autonomy, collaboration, and innovative thinking. Your initiatives will resonate throughout the organization, connecting you with mobile engineers across various teams. This role is vital for:Removing Bottlenecks: Proactively identifying and resolving critical bottlenecks in CI/CD pipelines and app infrastructure that could hinder the rollout of new features and enhancements.Enhancing Developer Experience: Designing and implementing state-of-the-art tools and infrastructure that significantly improve developer experience, decrease build times, and streamline workflows for our extensive Android engineering team.Modernizing a Mature Codebase: Leading the evolution and refinement of our Android codebase, with an emphasis on code simplicity, maintainability, and overall health across all SumUp Android products.Ensuring Product Stability & Scalability: Providing essential support and guidance across our diverse Android product suite, assuring consistency, reliability, and seamless functionality for the Register, Android Terminal, SumUp Go, and Merchant app.Your Responsibilities:Strategic Impact: Spearhead the development of core experiences for both merchants and our internal Android developers, directly contributing to SumUp's ambitious Android product roadmap.Technical Leadership: Architect, develop, and maintain essential tools, frameworks, and infrastructure that significantly enhance the consistency, scalability, and reliability of our mobile applications, ensuring no adverse effects across our varied Android products.Performance & Efficiency: Drive initiatives in CI/CD systems, advanced developer tooling, and performance enhancements to dramatically optimize mobile development processes and reduce build times for our expanding team.Codebase Evolution: Actively manage technical debt, enhance code health, and introduce best practices to a complex, mature codebase, ensuring its longevity and adaptability.

Join Atolls - The World’s Largest Community-Driven Shopping Platform!Atolls operates in over 20 markets, helping millions make informed spending decisions through smart connections with brands and retailers.With a dedicated team of over 1,000 professionals across 10 countries, we build products that create meaningful daily impact. Are you ready to contribute to platforms that enhance consumer confidence? We want to hear from you!About Your Role:We are seeking a Senior Product Designer specializing in Design Systems to enhance our Product Design team in Berlin. Your expertise will be critical in developing our multi-brand, multi-platform design systems, crafting outstanding user experiences that empower consumers to shop with assurance. As an integral member of our team, you will play a vital role in the evolution of the digital experiences our users depend on throughout their shopping journeys.Your contributions will redefine how millions of consumers engage with our platforms, guiding them towards smart and rewarding choices.What We Offer:At Atolls, we are committed to your professional and personal development. Expect the following benefits:A nurturing culture that promotes growth with opportunities for internal mobility.A collaborative and open-minded team that values diverse perspectives and innovative ideas.32 days of paid vacation, plus your birthday off, providing ample time for recharge.A flexible hybrid working arrangement to support work-life balance.Access to a learning budget and internal training resources to foster your growth.Mental health coaching to ensure your well-being.Regular global and local events to celebrate achievements and foster connections.Opportunity for a sabbatical after three years of service.A cloud-based setup that enables flexibility and collaboration from anywhere.*These benefits are available globally.

Are you passionate about creating innovative mobile experiences? FlixTech is looking for a talented Product Designer with a focus on Android platforms to join our dynamic team in Berlin. In this role, you will be responsible for designing user-centric applications that enhance travel experiences for our customers.As a Product Designer at FlixTech, you will collaborate closely with product managers and developers to create intuitive and engaging designs. You will conduct user research, create wireframes and prototypes, and ensure that our mobile applications meet high standards of usability and aesthetic quality.

Please note that this position is based in Berlin, Germany - relocation support is provided if required. THE BEST WORK OF YOUR CAREER Trade Republic is Europe’s largest savings platform, operating in 18 countries and trusted by over 10 million customers with more than €150 billion in assets. Our ambitious mission is to empower individuals to build wealth through easy, secure, and free access to financial systems. You will have the chance to elevate your career while working alongside exceptional talents and cutting-edge technology to create a positive impact for millions. Our Corporate IT team ensures that Trade Republic’s internal infrastructure operates securely and efficiently, enabling teams across Europe to deliver at scale. As a Senior IT Systems Engineer, you will merge technical expertise with operational leadership, designing, automating, and maintaining the systems that keep our company thriving.

About Gigs Gigs builds a platform that lets technology companies add global mobile connectivity to their products. The goal: make it as easy to offer mobile services as it is to set up payments. Gigs removes telecom complexity for customers ranging from fintech startups launching mobile plans to HR platforms managing work phones. The team includes about 100 people working across the US and Europe, backed by nearly $100 million from investors like Ribbit Capital, Google, and Y Combinator. Gigs brings together engineers, product specialists, and business leaders with backgrounds at Stripe, Airbnb, Shopify, and other top tech companies. The company is growing quickly and tackling both technical and regulatory challenges to make connectivity seamless. Core Values Speed: Work with urgency and treat each week as important for progress. Ownership: Take initiative when problems arise and act with autonomy. Customer Obsession: Focus on customer success as a measure of company success. Ambiguity: Use good judgment and instincts to make decisions, even with incomplete information. First Principles: Question established practices and seek to understand the reasons behind them. Role Overview: Senior IT Systems Engineer The Senior IT Systems Engineer will help ensure that everyone at Gigs has the access, tools, and support needed to work efficiently. This position focuses on building and automating corporate IT infrastructure. The role is hands-on and results-driven, joining as the third member of the Security & IT team. Locations London, Amsterdam, Berlin

Your Next Career Move Awaits!Trade Republic is Europe's leading savings platform, operating across 18 countries and serving over 10 million customers who have entrusted us with more than €150 billion in assets. Our ambition is to empower everyone to build wealth through accessible, secure, and cost-free financial services.Join us to enhance your career alongside a team of talented professionals and cutting-edge technology, as we strive to create a sustainable and positive future for millions.Your RoleLead the development of Android platform components, including modular architecture, core libraries (networking, analytics, storage, feature flags), and shared UI elements.Enhance application performance and reliability focusing on startup times, rendering efficiency, memory usage, and battery optimization; set performance budgets and standards.Advance our CI/CD processes by optimizing Gradle build times, managing dependencies, and improving test infrastructure (unit/instrumentation) and release automation.Enhance system observability through improved logging, metrics, tracing, crash reporting, ANR detection, and real-user monitoring.Champion coding excellence by enforcing static analysis, lint rules, coding standards, API guidelines, and maintaining thorough documentation.Collaborate with security and privacy teams to ensure robust data handling, permissions management, SAFE storage, Play integrity, and supply-chain hardening.Mentor and support feature teams, conducting discovery reviews, and leading migration and platform rollouts.

Atolls is the world’s largest community-driven shopping platform, active in over 20 markets.We empower millions of consumers to make informed spending decisions throughout discovery, evaluation, and re-purchase by connecting them with the right brands and retailers.Our diverse team of over 1,000 professionals across 10 countries develops products utilized daily on a global scale, where you will have genuine ownership and see your influence. Do you aspire to shape the platforms consumers depend on for confident shopping? If so, read on.About This Role:We are seeking a passionate Senior Android Developer to join our collaborative team in Berlin or remote from anywhere in Europe. Your contributions will be pivotal in the development, maintenance, and publication of our application.Your expertise in the Android ecosystem and commitment to staying abreast of the latest technologies will ensure our application remains current with OS updates and new features, enhancing its appeal. We focus exclusively on our own app and strive to make it the most engaging experience possible!Your efforts will significantly influence how millions of consumers engage with our platforms, helping them make smart, fair, and rewarding choices.Our Benefits:At Atolls, we are dedicated to fostering both your professional and personal development. Here’s what you can expect:A culture that prioritizes personal and professional growth, with opportunities for internal mobility.A supportive and open-minded team that values diverse perspectives and innovative ideas.32 days of paid vacation plus your birthday off, allowing you ample time to recharge.A flexible hybrid working model to balance work and life, with remote work permitted for this role.Access to a learning budget and internal training to facilitate your growth within the role.Mental health coaching to support your overall well-being.Regular global and local gatherings to celebrate achievements and strengthen connections.

FlixMobility GmbH is looking for a Senior Software Engineer - Mobile/Android (m/f/d) to join the Berlin office. This position centers on building and enhancing mobile apps that serve millions of travelers around the globe. Team and Collaboration The role is part of the Android Team within the Customer Experience Stream's Demand Division. The group includes a product owner, UX specialist, Agile tester, and several engineers. Together, they focus on the travel onboarding journey and post-booking features to make the Flix app a reliable companion for passengers. Close collaboration with iOS colleagues and other feature teams ensures a unified mobile experience. Delivering well-integrated, thoroughly tested features is a key part of the work. What You Will Do Develop and maintain scalable Android applications with a strong focus on user experience Refine onboarding and post-booking flows to improve the passenger journey Work alongside cross-functional teams to deliver cohesive mobile features Maintain code quality and reliability through comprehensive testing Tech Stack Languages & Architecture: Kotlin, Jetpack Compose, MVVM, Clean Architecture Networking & Data: GraphQL, Firebase Remote Config, Crashlytics Dependency Injection: Dagger/Hilt Testing: Espresso, Robolectric, JUnit CI/CD & Automation: GitLab CI/CD, Fastlane, Docker Collaboration Tools: Figma, Microsoft Teams, Atlassian Jira, Confluence, Atlas Benefits Competitive salaries Growth and development opportunities Collaborative culture with personal ownership Work on products used by millions of travelers

About the RoleJoin SumUp as a Senior Embedded Engineer within our Hardware Tribe, where you will collaborate with a talented cross-functional team of Hardware Engineers, Product Managers, QA Engineers, and more. Your expertise will be pivotal in developing our innovative Android-based payment devices, guiding the process from bootloader and kernel development to framework integration and validation.This is an exciting opportunity as we transition to using the Android platform for our proprietary hardware solutions. Our payment devices are uniquely designed with a focus on security and customization, necessitating a profound understanding of both embedded hardware and software.This position requires on-site presence in our Berlin office, as we value the organic interactions that emerge from working closely together.About the TeamYou may have already encountered our card readers while enjoying a cappuccino or settling a bill at your favorite salon. Our Hardware team is dedicated to crafting elegantly designed card payment devices and accessories that empower our merchants to launch, manage, and expand their businesses. We tackle a variety of engineering challenges spanning industrial and electronic design, embedded systems, mobile applications, and backend services.We foster an environment of open communication and continuous learning rather than strict regulations. If you are eager to innovate and support millions of independent merchants in achieving success, we encourage you to apply!Your ResponsibilitiesLead the system bring-up for the Android Embedded platform, focusing on bootloader, kernel, and driver integration.Create and integrate custom modules for SumUp, including kernel drivers, power management, and connectivity components.Enhance the build system to ensure stability and scalability across the platform.Debug hardware and software issues at the protocol level (I2C, SPI, UART, SDIO, etc.).Conduct testing and validation to ensure timely delivery of high-quality releases.Work closely with Hardware Engineers, QA, Product Managers, and Manufacturing/Supply Chain teams.Deliver Android OS features independently and contribute to a culture of engineering excellence within the Hardware Tribe.

Join Tonsser, a company dedicated to empowering young football players for over a decade, as we embark on an exciting phase of growth. We are currently seeking a skilled Senior Android Developer to play a pivotal role in shaping our future innovations. If you have a passion for your craft, thrive in a fast-paced environment, and desire to make a significant impact on the lives of millions of athletes, we encourage you to apply.

Join Our Team as a Senior Frontend Design EngineerAt Peec, located in vibrant Berlin, we are on the lookout for a passionate Senior Frontend Design Engineer to take the reins of our innovative projects. This is your chance to work with cutting-edge technologies and bring your design aspirations to life.Your ResponsibilitiesOwn complex frontend features from inception to delivery, ensuring high-quality outcomes through effective scoping and architecture.Utilize modern frontend technologies to create pixel-perfect, visually appealing user interfaces that adhere strictly to design specifications.Work collaboratively with Product, Design, and Backend teams to transform concepts into high-performance user interfaces, delivering an exceptional user experience.Uphold stringent standards for code quality, accessibility, and performance through meticulous reviews, testing, and adherence to best practices.Contribute to the evolution of our frontend architecture, component library, and design system, facilitating rapid iteration and scalability.

Join Our Innovative TeamAt SumUp, we provide powerful Point-of-Sale (POS) solutions that empower diverse businesses such as cafes, shops, bars, and salons to thrive. Our platform features robust tools for product management, inventory oversight, business analytics, regulatory compliance, and customer loyalty programs.Our advanced POS solution is seamlessly integrated into the SumUp SuperApp, supporting both our proprietary hardware and a variety of mobile devices.As an Android Developer, you will work alongside a talented, cross-functional team comprising Product Managers, Designers, Engineering Managers, and fellow developers.Your RoleWe are transitioning to a Kotlin Multiplatform (KMP) strategy to facilitate shared development for both Android and iOS applications. In this dynamic role, you will gain expertise, refine your skills, and contribute to the evolution of our mobile applications.You are a developer who prioritizes user-centric design, values clear communication, and excels in collaborative environments.On-site Collaboration in BerlinWe believe that in-person interactions drive innovation and teamwork, making this role exclusively on-site in Berlin.Your ResponsibilitiesDevelop and enhance features for the item catalog within the SumUp SuperApp.Contribute to the architectural improvement of the application while supporting our Kotlin Multiplatform initiative.Maintain and enhance our unified Android application, serving over 60 countries and ensuring high-quality, scalable solutions.Identify areas for enhancement, influencing product evolution and participating in daily decision-making.Create comprehensive documentation and execute thorough testing for new features prior to deployment.Work closely with Designers, Product Managers, and Android engineers to provide a cohesive user experience across platforms.Mentor and coach junior engineers.Who You AreYou possess 3+ years of experience in mobile engineering, specifically with Android and Kotlin.You have 2+ years of experience utilizing Jetpack Compose.You have a strong understanding of software design patterns (e.g., MVVM, MVI) and are skilled in creating modular, scalable app architectures.You are passionate about user-centric design and thrive in a collaborative environment.

About Our Team At SumUp, we provide a cutting-edge Point-of-Sale (POS) solution that empowers businesses such as cafes, shops, bars, and hair salons to operate seamlessly and grow. Our platform boasts a vast array of features, including product catalogs, inventory management, business analytics, compliance support, and loyalty tools. Our POS solution integrates flawlessly into the SumUp SuperApp, which is compatible with our proprietary register hardware as well as mobile devices like tablets and smartphones. As a Senior Android Developer, you will work alongside an innovative, cross-functional team consisting of Product Managers, Product Designers, Engineering Managers, and fellow developers. About the Role We are transitioning towards a Kotlin Multiplatform (KMP) strategy, facilitating shared development between Android and iOS. In this role, you will gain experience with this technology, helping to shape the future of our mobile applications. If you are a developer who prioritizes user-centric design, precision, and effective collaboration, you will thrive here. You bring structure to communication and flourish within a cross-functional environment. This position is based in Berlin, where face-to-face interactions fuel innovation and teamwork. Your Responsibilities Develop new features for the item catalog within the SumUp SuperApp Improve application architecture and actively contribute to our Kotlin Multiplatform strategy Enhance and maintain our unified Android app, utilized in over 60 countries, ensuring high-quality and scalable solutions Drive product evolution by identifying improvement opportunities and participating in daily decision-making Create comprehensive documentation and implement thorough testing for features prior to release Work closely with Designers, Product Managers, and Android engineers to ensure a cohesive UX experience across platforms Mentor and coach junior engineers You Will Excel in This Role If: You possess 8+ years of experience in mobile engineering, particularly with Android and Kotlin. You have 2+ years of experience with Jetpack Compose. You have a strong grasp of software design patterns (e.g., MVVM, MVI) and expertise in creating modular, scalable app architectures. You are knowledgeable about reactive programming (Flow, Coroutines, and Concurrency).

Role Overview AECOM is hiring a Senior Civil Engineer focused on utilities and road design in Berlin. This role shapes infrastructure projects that support community growth and improvement. Work alongside engineers and specialists to bring projects from early planning through final delivery. What You Will Do Design and develop utility and road systems for a variety of projects Collaborate with multidisciplinary teams to solve engineering challenges Guide projects through all phases, from initial concept to completion

Join dreessommerse as a Senior Manager of Systems Engineering, where your expertise in the EPCM industry will lead innovative projects and drive engineering excellence. In this role, you will oversee complex engineering systems, ensuring alignment with strategic objectives while mentoring a talented team of engineers.Your leadership will be pivotal in optimizing processes and implementing cutting-edge technologies to enhance operational efficiency.