Android Engineer (Kotlin)

Android EngineerAbout Us & The ChallengeWe are accelerating our development to bring an ambitious vision to life. We are a tight-knit, agile team of 5 (engineers + product designer) split between Paris and London, where every line of code matters and innovation is in our DNA.Note: We are currently in the build phase, and our product hasn't launched yet. This is a unique opportunity to join at the ground level, build our Android application from scratch, make foundational technical decisions, and directly shape the product from a blank canvas.The RoleAs an Android Engineer, you will be responsible for:Building from Scratch: Designing and developing our native Android application using Kotlin and Jetpack Compose, with a strong focus on performance, reliability, and maintainability.Defining the Architecture: Making foundational decisions around application architecture, state management, networking, persistence, background processing, and testing.Crafting the Product: Working closely with our product designer and engineering team to turn product ideas into polished, intuitive Android experiences.Engineering Quality: Establishing strong foundations for testing, observability, performance, and releases from day one.Tech Ownership: Contributing to technical decisions and engineering best practices with a critical mind and a continuous improvement mindset.Team Life: Participating in code reviews, brainstorming sessions, and knowledge sharing across the engineering team.What We Are Looking ForExperience: 2+ of professional software engineering experience, with strong hands-on expertise in Kotlin and native Android development.Modern Android: Strong knowledge of the modern Android ecosystem, including coroutines, application lifecycle, networking, persistence, and asynchronous programming.Product Mindset: You care about performance, interactions, edge cases, and all the small details that make an application feel great to use.Craftsmanship: Writing clean, well-tested, and maintainable code is non-negotiable for you.Language: Professional English is mandatory to collaborate effectively with our international team (Paris/London).Mindset: Autonomous, curious, and proactive. You learn fast, challenge assumptions, and enjoy taking end-to-end ownership of features.Bonus Points (Nice to Have)Deep knowledge of Android platform APIs and performance optimization.Experience with offline-first applications, synchronization, or complex background processing.Experience integrating Rust or other native libraries with Android.Good understanding of LLMs and agentic workflows.Prior experience building public-facing B2C products.Work EnvironmentContract: Full-time permanent contract (CDI).Location: Office located in the 10th arrondissement of Paris.Flexibility: Hybrid setup (3 days per week on-site mandatory).Culture: A high-growth environment driven by agility, transparency, ownership, and mutual support.