Mid-Senior Software Engineer for Android Mobile Banking in the EU

Join Avaloq, a leading provider of banking software solutions, as a Software Engineer specializing in Android Mobile Banking. You will be at the forefront of developing innovative mobile banking applications that enhance user experiences across the European market. Collaborate with a dynamic team of professionals to deliver high-quality software solutions th…

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

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 Avaloq, a leading provider of digital banking solutions, as an iOS Software Engineer specializing in mobile banking applications. In this role, you will be instrumental in developing cutting-edge mobile banking solutions that enhance user experiences and drive customer engagement across Europe. You will collaborate with cross-functional teams to design, implement, and optimize high-quality mobile applications.

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).

Superhuman offers a full-time dynamic hybrid working model for this role. This flexible framework allows team members to enjoy both focused work time and in-person collaboration, fostering trust, innovation, and a robust team culture.About SuperhumanSuperhuman, now a part of Grammarly, is revolutionizing productivity through AI, dedicated to unlocking the superhuman potential within everyone. Our suite of applications seamlessly integrates with over 1 million platforms and websites, providing tools such as Grammarly's writing assistance and Go, our proactive AI assistant. Founded in 2009, we empower over 40 million users and thousands of organizations and educational institutions globally to eliminate busywork and prioritize what truly matters. Discover more at superhuman.com and explore our core values here.The OpportunityTo reach our ambitious targets, we are seeking a talented Android Engineer to join our Mobile Team. This role presents a unique opportunity to develop new features and capabilities that will enhance the Superhuman Android experience to world-class standards.Our engineers and researchers enjoy the freedom to innovate and drive breakthroughs that directly influence our product roadmap. As we scale our interfaces, algorithms, and infrastructure, the complexity of our technical challenges is rapidly increasing. For insights from our team, check out our technical blog.Writing effectively on mobile devices poses significant challenges, particularly in professional environments. Our Superhuman AI Writing Assistant, launched in 2023, aims to make effective and error-free writing easily accessible on mobile. Since its introduction, it has gained substantial traction, with users engaging with it over seventy times daily.Creating a seamless writing assistant experience brings unique challenges, as there is no tolerance for delays or glitches in a product that users rely on for immediate responses. As an Android Engineer, you will:Work closely with the Product, Design, and Machine Learning teams to translate new ideas from concept to production.Contribute to the ongoing architecture of our mobile products, ensuring outstanding responsiveness and performance, even in resource-constrained environments.

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 dynamic team at Avaloq as a DevOps Engineer specializing in mobile banking solutions. In this pivotal role, you will leverage your expertise to enhance our banking services, ensuring seamless integration and high availability. Collaborate with cross-functional teams to optimize our cloud infrastructure and automate deployment processes, contributing to the future of banking technology.

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.

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.

Join our dynamic team as a Business Analyst specializing in Web and Mobile Banking. In this pivotal role, you will collaborate with cross-functional teams to analyze business needs and implement innovative solutions that enhance our digital banking platform. Your insights will guide the evolution of our services, ensuring they meet the highest standards of usability and functionality.You will engage with stakeholders to gather requirements, create detailed documentation, and provide actionable recommendations. Your analytical skills will be critical in identifying opportunities for improvement and driving strategic initiatives.

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.

Join SumUp's Global Bank team, where we engineer the foundational infrastructure and services that empower merchants with digital banking solutions. We simplify financial management for small businesses, ensuring reliability and ease of use. As part of our Balance Management Squad, you will play a crucial role in modernizing and consolidating our balance management systems across Europe. We are embarking on an exciting journey to develop a global transaction history service, providing merchants with consistent and transparent insights into their financial activities. In your role as a Senior Backend Engineer, you will be instrumental in updating legacy systems, fostering innovation while ensuring stability, collaborating with cross-regional teams, and architecting dependable services that cater to diverse markets with unique regulations. If you are passionate about solving intricate problems in high-load environments, have a keen interest in banking, and seek a team that embraces challenges, we encourage you to apply!

Greetings!At Yazio, we are on a mission to empower individuals to live healthier lives through innovative technology. We are seeking a talented and product-focused Senior Mobile Engineer to join our dynamic core squad and contribute to features that inspire millions to embark on their wellness journey.As an essential member of our cross-functional team, you will collaborate closely with the Product Manager, Engineering Manager, and Designer. Your insights will shape our product, utilizing our Kotlin Multiplatform (KMP) stack to create elegant and impactful solutions for users on both iOS and Android platforms.This position offers the flexibility of being 100% remote, welcoming candidates from Germany, Spain, Portugal, or the U.K.YOUR MISSIONYour role is to transform user needs and product vision into robust, high-quality code that delivers a world-class user experience. You will oversee the technical execution within the squad, embodying best practices and supporting the entire team.Take Ownership of Features. You will convert concepts from technical design into polished, deployed features. Your responsibilities include writing clean, maintainable code, ensuring comprehensive test coverage, and monitoring the impact of your contributions in a live environment.Collaborate with Product and Design. You will be an integral part of the discussion, providing technical insights, evaluating trade-offs, and helping to shape a roadmap that balances ambition with feasibility.Promote Technical Excellence. As a steward of our codebase, you will help manage technical debt, enhance performance, and advocate for the adoption of modern practices within our Kotlin Multiplatform framework.Empower Your Team. You will act as a mentor to fellow engineers, leading by example through thoughtful code reviews, refining team processes, and sharing your expertise to foster collective growth.YOUR PROFILEWe are looking for a seasoned engineer who is not only passionate about their craft but also deeply committed to the positive impact their code has on users.Extensive Experience in Modern Mobile Development. You have a strong background in building native mobile applications on Android (Kotlin, Jetpack Compose). Familiarity with iOS development (Swift, SwiftUI) is an advantage, along with a readiness to broaden your expertise across both ecosystems. Experience with KMP is highly desirable.Proven Track Record. You possess a solid history of delivering high-quality software and have experience working in agile environments.Team Player. You thrive in collaborative settings and enjoy sharing knowledge while learning from others.Attention to Detail. You have a keen eye for detail and a commitment to maintaining high standards in your work.

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.

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.

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.

TransPerfect, a prominent player in the industry with a vibrant start-up atmosphere, is on the lookout for innovative and entrepreneurial individuals to join our dynamic team. We are currently seeking a Mobile Engineer to contribute to our global efforts in delivering exceptional user experiences across both iOS and Android platforms. This full-time hybrid position requires a blend of independent initiative and collaborative teamwork within a high-impact environment, dedicated to developing cutting-edge products.As part of our team, you will be responsible for building high-quality mobile applications using Flutter, and designing new components from the ground up that enhance our user engagement.About the TechOps Team at TransPerfect:The TechOps team at TransPerfect has played a crucial role in our success over the past decade, providing technology and services that significantly streamline our clients' and colleagues' experiences. From enhancing workflows for our team to developing fundamental services for our GlobalLink platform, the team is dedicated to creating scalable user interfaces that simplify complex ecosystems for novice users.Your responsibilities will include:Acting as a subject matter expert on mobile app development, defining best practices for mobile development, design thinking, and deployment processes.Collaborating with product managers, engineers, designers, and QA to create compelling user experiences on both iOS and Android platforms.Taking ownership of major mobile app features, components, and overall application solutions in collaboration with technical leads and senior engineers.Working in an agile environment, managing internal and external requirements and expectations effectively.Providing constructive feedback throughout the software development lifecycle to align development priorities with business objectives.Writing clean, efficient, and maintainable code adhering to industry best practices and coding standards.Keeping abreast of the latest trends, technologies, and best practices in mobile development.

scalablegmbh is looking for a (Senior) Rust Software Engineer to help build and maintain banking platforms in Berlin. This position centers on designing, implementing, and supporting high-performance applications written in Rust. Role overview This role focuses on developing software that supports banking operations. Collaboration with cross-functional teams is a key part of the work, aiming to improve user experiences and contribute to ongoing technical improvements. What you will do Design and implement applications using Rust Maintain and improve existing systems for performance and reliability Work closely with colleagues from other disciplines to deliver features and enhancements Requirements Experience developing with Rust Ability to design and maintain high-performance applications Strong collaboration skills for working with cross-functional teams

Role overview airapps seeks a Mobile Software Architect based in the Berlin Metropolitan Area. This role shapes how new mobile solutions are designed and built, working closely with cross-functional teams. The main goal is to create applications that enhance user experience. What you will do Design and develop mobile applications from initial concept to final delivery Collaborate with product, design, and engineering teams to ensure smooth integration Address technical challenges to deliver reliable and scalable mobile solutions What airapps values Strong interest in mobile technology Enjoyment in solving complex problems and finding practical answers Commitment to delivering high-quality user experiences