Junior Software Engineer - Mobile Android

Join Our Innovative TeamAt SumUp, we believe in empowering businesses to thrive through our comprehensive Point-of-Sale (POS) solution. Our platform is designed for cafes, shops, bars, hair salons, and various other enterprises, enabling them to operate efficiently and achieve growth. With features like product catalogs, inventory management, business analytics, compliance support, and loyalty tools, we are transforming how businesses manage their operations.Our POS solution is seamlessly integrated into the SumUp SuperApp, which supports both proprietary register hardware and mobile devices, including tablets and smartphones.As a Senior Android Developer, you will work alongside a vibrant cross-functional team comprising Product Managers, Designers, Engineering Managers, and fellow engineers.Your RoleAs we transition towards a Kotlin Multiplatform (KMP) strategy, you'll play a crucial role in developing shared solutions for both Android and iOS platforms. This position offers you the opportunity to learn, refine, and implement cutting-edge technology, shaping the future of our mobile applications.We are looking for a developer who prioritizes user-centric design, values precision, and thrives in a collaborative environment. Your structured communication style will be an asset in our cross-functional team.Key ResponsibilitiesDevelop new features for the item catalog within the SumUp SuperApp.Enhance the application's architecture and contribute to our Kotlin Multiplatform strategy.Maintain and improve our unified Android app distributed across over 60 countries, ensuring high-quality, scalable solutions.Identify opportunities for product enhancement and participate in daily decision-making.Create comprehensive documentation and implement rigorous testing for features prior to release.Collaborate with Designers, Product Managers, and Android engineers to provide a cohesive user experience across platforms.Qualifications for Success5+ years of experience in mobile engineering with a focus on Android and Kotlin.2+ years of experience with Jetpack Compose.A solid understanding of software design patterns (e.g., MVVM, MVI) and expertise in creating modular, scalable app architectures.Strong knowledge of reactive programming (Flow, Coroutines, and Concurrency).A thorough grasp of testing best practices: knowing what to test, why, and how to write resilient tests.

Join a vibrant technical team of around fifty people in a warm and enjoyable work atmosphere!As a key member of the QA department, you will be responsible for ensuring the quality of our mobile applications.Your role involves engaging in various phases of the application development project, with the following responsibilities:Assist in drafting the test specifications and defining both automated and manual test scenarios.Report and track identified anomalies.

About Our TeamAt SumUp, we empower businesses ranging from cafes and shops to bars and hair salons with our innovative Point-of-Sale (POS) solution. Designed to enhance operational efficiency and promote growth, our system includes features such as product catalogs, inventory management, business analytics, compliance support, and loyalty tools.Our POS solution seamlessly integrates into the SumUp SuperApp, compatible with both our proprietary hardware and mobile devices like tablets and smartphones.As a Senior Android Developer, you will be part of a dynamic, cross-functional team that includes Product Managers, Product Designers, Engineering Managers, and fellow engineers.About the RoleWe are transitioning towards a Kotlin Multiplatform (KMP) strategy that facilitates shared development between Android and iOS. In this position, you will have the opportunity to learn, refine, and implement this technology, significantly impacting the future of our mobile applications.If you are a developer who prioritizes user-centric design, precision, and effective collaboration, and you thrive in a cross-functional environment, we want to hear from you.

Join our dynamic team at amo as a pivotal member of our Android engineering group. As one of the early hires in a product-centric company, you will play a crucial role in shaping our design and product decisions from the ground up.Initially, you will collaborate closely with our founding team, gradually taking ownership of key components and features. We are looking for adaptable engineers who are eager to contribute to various foundational aspects of the company as we grow.We are committed to developing a team of subject matter experts, and we value team members who dive deep into their fields of expertise.As an Android Engineer, your day-to-day responsibilities will include:Feature DevelopmentYou will be at the forefront of delivering innovative and high-quality UI features in a fast-paced setting. We encourage you to push the limits of what's possible, leveraging your expertise in low-level APIs, shader creation for dynamic effects, and custom rendering systems.Platform DevelopmentYou will actively contribute to the creation and enhancement of our platform. This involves developing careful abstractions utilized by other Android team members, such as media encoding, decoding and playback; performance tracing libraries; and our own components for navigation and deep links across applications. Your work will extend beyond individual features to encompass cross-company components.Roadmap Creation and IdeationYou will play a vital role in the roadmap creation and ideation process, where your experience will be crucial in identifying trade-offs and offering valuable insights from both product and engineering standpoints.Knowledge SharingWe emphasize continuous learning and knowledge exchange. Your involvement in staying current with the latest trends and best practices, attending conferences, engaging in online communities, and sharing your insights internally will significantly contribute to our collective growth.Owning Your ScopeYou will be responsible for monitoring analytics and managing system crashes. We value engineers who take ownership of their responsibilities, proactively addressing issues and triaging bug fixes.

nexton seeks an Android Kotlin Developer to join a team working on mobile applications for the Telco Media Transport sector. The group is dedicated to delivering new features and ensuring a high-quality experience for users. Responsibilities Build and maintain Android apps using Kotlin Work closely with colleagues to deliver stable, well-tested features Suggest and implement improvements for app performance and usability Location This role is based in Paris.

Join Veepee as an Android Developer in our Core Team, where you'll work within a dynamic and agile group of 8-10 engineers. Your role will involve enhancing the quality of our Android application, developing tools for fellow developers, and focusing on security, performance, and stability. You'll also have the opportunity to engage with the Android community and contribute to innovative solutions that elevate our platform.

Join Theodo Apps: Pioneers in Digital InnovationSince 2009, Theodo has empowered innovative businesses by designing, developing, and deploying ingenious digital products leveraging cutting-edge technology and Lean methodologies.With exceptional growth over the last 15 years, our team has expanded to over 700 passionate Software Engineers committed to continuous improvement. As we grow, we have structured our organization into specialized entities focusing on technologies (Theodo Apps, Theodo Cloud, Theodo Data & AI) and industries (Fintech, Govtech, Healthtech, Consumer Goods). By 2025, Theodo aims to achieve a revenue of €100 million.Having successfully completed over 130 projects, Theodo Apps specializes in cross-platform application development (mobile, web, and TV). We partner with our clients to design, develop, and deploy applications that transform user experiences.In just 10 years, Theodo Apps has grown from 2 to 120 employees and reached a turnover of €24 million in 2024!We collaborate with a diverse range of clients, including entrepreneurs, innovative SMEs, and large corporations like TF1+, Carrefour, Urgo, and Compagnies des Alpes.Your Team:The technical team at Theodo Apps consists of 49 software engineers, tech leads, architects, and engineering managers, all hailing from top engineering schools.You will be part of a dynamic team of 2 to 5 engineers, supported by a tech lead, an associate product manager, and a UX/UI designer.Your Future Responsibilities:As an Android Mobile Developer, you will play a pivotal role in developing our Android applications, ensuring exceptional performance and an optimal user experience. Your daily responsibilities will include:- Contributing to the design and architecture of robust, scalable, and maintainable Android applications, utilizing recognized paradigms such as MVVM, MVI, or Clean Architecture.- Developing native Android features in Kotlin, with a constant focus on performance, accessibility, and user satisfaction.

About the RoleJoin GoPro as a Senior Technical Program Manager in our Paris office, where you will play a pivotal role in guiding the development of our Quik mobile application. Collaborating with both local and remote software engineering teams, you will spearhead the definition, execution, and successful delivery of innovative mobile software initiatives that enhance the GoPro experience beyond our cameras. Your expertise in agile methodologies will be crucial in navigating complex software development processes, while you partner closely with product managers, engineers, QA professionals, and other stakeholders across various international teams.Your Key ResponsibilitiesLead and manage the entire lifecycle of mobile software projects, ensuring timely delivery and alignment with company goals.Foster collaboration among cross-functional teams, including engineering, QA, product management, and UX, to develop best-in-class software solutions.Utilize agile practices to optimize workflow and enhance team productivity.Provide mentorship and guidance to team members, empowering them to reach their full potential.Why Join Us?Embrace Autonomy: At GoPro, we trust you to take ownership of your work and create your own success story.Work-Life Balance: We offer flexible work arrangements that support your well-being while fostering connection among colleagues.Innovate with Cutting-Edge Technology: We encourage our employees to explore and implement the latest technologies to deliver exceptional solutions for our customers.

About Tessan Tessan is a French startup focused on telemedicine. The company’s mission: make medical care more accessible, especially in areas with limited healthcare options. Over 1,500 devices have been deployed across France in under six years. Tessan’s goal is clear, every French citizen should be able to reach a doctor within 15 minutes of home. Internship Overview To keep up with growth, Tessan is expanding its technical team. The Mobile Developer Intern (iOS & Android) will help build and improve the mobile apps that power Tessan’s digital healthcare services. What You Will Do Mobile Development (iOS & Android): Design, develop, and maintain Tessan’s mobile applications for iOS and Android. Add new features in close collaboration with product teams. Participate in testing, debugging, and ongoing improvements. Help ensure app quality, performance, and reliability. Architecture & Performance: Contribute to decisions on mobile architecture, including native and cross-platform approaches. Work on optimizing app performance and stability. Support efforts to improve user experience. Integration & APIs: Collaborate with backend teams to integrate APIs. Manage data flow between mobile apps and backend services. Quality & Best Practices: Help define and maintain quality standards, including testing, CI/CD, and documentation. Suggest and implement improvements to development processes. Deployment & Automation: Assist with app deployments to the App Store and Google Play. Contribute to automating build and release processes. Participate in monitoring applications after release. Cross-Functional Collaboration: Work closely with product, design, backend, and operations teams. Take part in technical discussions and team meetings. Location Paris, Île-de-France, France

At Swile, we are committed to enhancing professional experiences and boosting employee satisfaction through innovative product solutions. As a Senior Mobile Engineer, you will be instrumental in creatively addressing challenges while maintaining a focus on speed, practicality, and excellence. Your contributions will shape a robust mobile platform that supports various product domains, empowering over 5.5 million users across 85,000 companies in France and Brazil.

Note: This position is based in Paris, France. Relocation support is available for candidates currently residing in the EU. EMBARK ON THE BEST WORK OF YOUR CAREERTrade Republic is Europe’s leading savings platform, operating in 18 countries and serving over 10 million customers who trust us with more than €150 billion in assets. We're on a mission to go further.Join us in our ambitious endeavor to empower individuals to build wealth through straightforward, secure, and free access to financial systems. Here, you will have the chance to advance your career while collaborating with a team of exceptional talents and cutting-edge technology, shaping a positive future for millions. YOUR ROLEContribute your expertise to the Android guild to ensure outstanding technical standards.Mentor fellow engineers while receiving guidance for your own professional growth.Take ownership of product development, collaborating across roles to ensure quality and timely delivery.Thrive in a dynamic, goal-oriented agile environment.OUR IDEAL CANDIDATEAt least 5 years of experience in software engineering, preferably within the JVM ecosystem.Proven track record of developing and launching scalable features in a service-oriented architecture.Strong dedication to producing reliable and maintainable software using an iterative development and continuous delivery approach.Experience in building platform services that provide a foundation for product development (prior experience with platform teams is a plus).ANDROID TECH STACKNative Android application development using Kotlin.Reactive programming: RxJava2, Kotlin Flow.Architectural pattern: MVVM.Jetpack Compose.Dependency Injection: Anvil. WHY YOU SHOULD APPLY NOWOur culture is built on ownership, excellence, and high energy. We deeply value results and hold each other accountable in our mission to tackle one of Europe’s most significant challenges: closing the pension gap and democratizing wealth. If this inspires you, we want to hear from you!

Join Our Dynamic TeamAs a Senior Android Developer at Free2Move, you will be an integral member of a vibrant technical team of around thirty professionals, working in a warm and enjoyable atmosphere. You have the freedom to choose your preferred workspace and work style, allowing you to maximize your productivity and creativity!

Join our dynamic team at Nexton as a Proxy Product Owner specializing in mobile applications! We are looking for an enthusiastic individual who excels in managing product backlogs and collaborating with cross-functional teams to deliver exceptional mobile solutions. You will play a crucial role in ensuring that our mobile products align with business objectives and user needs.In this role, you will be responsible for defining the product vision, gathering requirements, and prioritizing features to create a seamless user experience. You will work closely with stakeholders, UX/UI designers, and developers to bring innovative ideas to life.

Join our innovative team at iliad-free as a Lead Android Developer! We are seeking a highly skilled and motivated individual to lead the development of cutting-edge Android applications. In this role, you will collaborate with cross-functional teams, mentor junior developers, and drive the technical direction of our mobile projects.

Join our dynamic team at sia as a Senior Consultant - Social Strategy. In this pivotal role, you will drive innovative social strategies, collaborating with various stakeholders to enhance our brand's online presence and engagement. Your expertise will guide clients in navigating the social landscape, ensuring effective communication and impactful campaigns.

airapps seeks a Mobile Software Architect based in Paris to guide the design and development of mobile applications. This position plays a key part in ensuring mobile products deliver strong user experiences while meeting business needs. Role overview This role focuses on shaping mobile application architecture from the ground up. The architect will use expertise in software design to create solutions that scale and perform consistently in production environments. What you will do Design and oversee the development of mobile applications Ensure mobile solutions are scalable and reliable Balance technical requirements with business objectives Location This position is based in Paris.

TOCA Social is the world's first venue that brilliantly combines dining and entertainment centered around football — a unique experience that redefines the game. Already thriving in London and Birmingham, TOCA Social is expanding with exciting new openings in Dallas, Monterrey, Guatemala, and Paris.At TOCA Social, we embrace a simple principle: Everybody Plays. You don’t need to be a football enthusiast to join us — what we truly seek are dynamic, engaged, and enthusiastic individuals who are eager to craft memorable moments for our guests and foster a genuine team spirit.We are on the lookout for cheerful, motivated, and service-oriented professionals who understand the importance of delivering exceptional service.

Join the innovative Ubisoft AI Initiatives team and help shape the future of information management within the gaming industry. We are at the forefront of developing advanced hybrid search systems and reasoning agents that transform raw data into rapid, informed decision-making tools. If you are passionate about enhancing human-AI collaboration to tackle intricate challenges, this is the perfect opportunity for you. We are on the lookout for a seasoned Senior Software Engineer to contribute to the creation of robust back-end systems that power our state-of-the-art AI applications.Key Responsibilities:Back-End Systems Development: Design and build scalable, high-performance back-end services that underpin AI solutions.Performance Optimization: Achieve low-latency and high-throughput operation for AI models, agents, and APIs, prioritizing speed and reliability.Cross-Team Collaboration: Work closely with data scientists and ML engineers to seamlessly integrate AI models and advanced agents into production environments, ensuring efficient deployment and monitoring.Cloud Infrastructure Management: Develop and sustain cloud-native solutions utilizing platforms such as AWS and Azure, focusing on scalability, security, and cost-effectiveness.Technical Leadership: Guide junior engineers, perform code reviews, and contribute to the team’s overarching technical strategy.Continuous Learning: Keep abreast of emerging trends and technologies in AI, cloud computing, and software engineering, and propose innovative ideas.As a Senior Software Engineer in AI Applications, you will have a unique opportunity to engage in leading-edge projects that influence the advancement of AI technologies. You will be able to:Participate in ongoing professional development to remain at the forefront of AI innovation.Assume greater responsibilities and influence the strategic development of our AI product offerings, driving significant innovations.

TOCA Social blends dining, entertainment, and football, creating a lively venue for guests in Paris. With locations already in London and Birmingham and expansion underway in Dallas, Monterrey, and Guatemala, the Paris team is building a new chapter. The focus is on delivering memorable experiences for every guest, no matter their interest in football. The Paris kitchen welcomes people who bring motivation, positivity, and a commitment to service. Team spirit and genuine enthusiasm matter more than football knowledge here. Role overview The Sous Chef (in training) works alongside the Head Chef, learning both culinary and leadership skills through a structured training program. This position offers daily variety, ongoing support, and a chance to shape the guest experience. The role involves close collaboration with kitchen teams and management, serving as a key point of contact for daily operations and team development. Main responsibilities Production & quality: Prepare and serve dishes that meet TOCA Social’s standards, ensuring consistent presentation and flavor. Hygiene & food safety: Maintain HACCP, hygiene, and safety standards, setting an example for the team. Cost & waste management: Manage portions, reduce waste, and oversee stock to help profitability. Team management: Supervise, train, and support kitchen staff, encouraging skill development. Recruitment & onboarding: Help with hiring and integrating new team members. What you’ll bring Strong sense of teamwork, reliability, and punctuality Interest in learning and growing within hospitality Ability to work under pressure and adapt quickly Keen attention to detail and pride in quality work Availability for evening, weekend, and public holiday shifts Flexible mindset and readiness to support colleagues