**Crowdsorsa** is a fast-growing mobile app startup on a mission to save the environment. We are currently looking for a mobile developer to join us in our Tampere office. **What are we about?** **Crowdsorsa is a mobile game where people earn money by collecting data or doing micro-tasks** that help cities improve the state of the built and natural environments. You can learn more about us at https://crowdsorsa.com/. Our application has been featured in over four hundred news articles and acknowledged by an international innovation award and the Finnish biodiversity award. We currently operate in Finland, Sweden, Norway, and Canada. **We offer you:** \- A job that matters. **Your work contributes directly to the preservation of nature.** \- The possibility to work independently on both iOS and Android. \- Great compensation model that includes a base salary and a possibility for stock options. \- Nice colleagues and a comfortable working space in the center Tampere. **What we expect:** \- 3+ years of experience in developing native applications for both iOS and Android. \- Proficiency in SwiftUI for iOS and Kotlin with Jetpack Compose for Android. We value clean, declarative code and modern architectural patterns. \- You need to have the right to work in Finland. \- Fluency in English. Any other language is an asset. \- Any experience with mapbox, GIS systems, and deploying apps is a strong advantage. \- Flutter, React, Backend experience with typescript, and databases are nice to haves. **Sounds good? Apply now** and let us know more about you! If you have any questions, feel free to email our CEO Toni Paju:. The applications are reviewed on a rolling basis and interesting candidates can expect to be interviewed soon.