Want to engineer production-grade Android applications where real-time, interactive AI drives the core user experience?
Are you looking for a role where you can bridge modern Kotlin craft with cutting-edge on-device inference and intelligent backend services?
Our clients mission is to fundamentally change the productivity landscape around email, calendars and note taking by developing proactive, AI-native applications designed for the general public. As an Android Software Engineer, you will own the native client experience, shaping how intelligent, data-driven features feel, behave, and perform on mobile devices. This is a core engineering role where interactive AI capabilities are central to the product ecosystem, demanding exceptional mobile performance, rock-solid reliability, and intuitive design.

Build and maintain high-performance native Android applications using Kotlin.
Integrate intelligent product features (chat, vision, voice, recommendations) seamlessly via backend APIs.
Architect user experience patterns designed for real-time interactions, including streaming responses,



progress indicators, retries, and partial failure states.
Profile and optimize app performance, memory consumption, and battery efficiency for resource-intensive features.
Partner with ML and backend engineering teams to define API contracts, protocols, and system behaviors.
Uphold production quality, app security, and Play Store release standards.

To be a good fit for the Android Engineer role, you will have:
~3+ years of professional Android development experience using Kotlin.
~ Strong mastery of asynchronous programming using Kotlin Coroutines and Flow.
~ Solid experience working with REST or gRPC APIs and structured data formats.
~ Demonstrated capability to build resilient mobile interfaces around latency, network instability, and dynamic model responses.
~ Strong debugging, memory management, and performance profiling skills.
~ MLKit, TensorFlow Lite).
~ High‑caliber engineers

📌 Android Engineer (España)
🏢 Sowelo Consulting sp. z o.o.
📍 España