> Markdown version of [/jobs/ext/1385878-android-ai-engineer-kotlin-on-device-ml-real-time-ux](https://www.wearedevelopers.com/jobs/ext/1385878-android-ai-engineer-kotlin-on-device-ml-real-time-ux). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Android AI Engineer: Kotlin, On-Device ML & Real-Time UX

- **Company:** Postaladdress
- **Location:** Spain
- **Salary:** €55,000.0 - €75,000.0
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Android Software Development, Kotlin, Asynchronous Programming, Grpc
- **Published:** July 22, 2026
- **Apply:** https://www.jobleads.com/es/job/ef06e7d67a97fb072d5dd661384f50aad

## About the Role

A1 is seeking an experienced Android Software Engineer to own the Android client experience for AI-powered interactions on mobile. You will build production Android applications in Kotlin, optimize performance, and ensure reliability in latency-prone environments.

Ideal candidates have 3+ years of Android experience, hands-on AI feature integration, and a strong grasp of Coroutines, REST/gRPC, and on-device tools like MLKit.



## Related Videos

- [Boosting OpenSearch Performance: gRPC Search in Action](https://www.wearedevelopers.com/videos/1935-boosting-opensearch-performance-grpc-search-in-action)
- [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse)
- [Edit Your Future: Queerverse Radical AI](https://www.wearedevelopers.com/videos/909-edit-your-future-queerverse-radical-ai)
- [Future of Mobile AI. What On-Device Intelligence Means for App Developers](https://www.wearedevelopers.com/videos/100264-future-of-mobile-ai-what-on-device-intelligence-means-for-app-developers)
- [gRPC Load Balancing Deep Dive](https://www.wearedevelopers.com/videos/1576-grpc-load-balancing-deep-dive)
- [Mobile AI Just Got Faster: What’s Coming for Developers on Arm](https://www.wearedevelopers.com/videos/1420-mobile-ai-just-got-faster-what-s-coming-for-developers-on-arm)

## Related Articles

- [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer)
- [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift)
- [MLOps And AI Driven Development](https://www.wearedevelopers.com/magazine/82-mlops-and-ai-driven-development)
- [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)
- [Dev Digest 132 - Binging WADFlix?](https://www.wearedevelopers.com/magazine/473-dev-digest-132-binging-wadflix)
- [AI & A11Y, Meta's privacy and the future of SEO](https://www.wearedevelopers.com/magazine/599-ai-a11y-meta-s-privacy-and-the-future-of-seo)