Android Engineer - Fully Remote in Europe

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?

Great, then please read on as we have a role for you.

This role is based in Europe.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. We are bringing seamless intelligence to workflows, scheduling, and daily errands, all without requiring users to master complex prompting.

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.

Key Responsibilities

• 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.
• Implement telemetry, logging, and feedback loops to support continuous model evaluation and product iteration.
• 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.
• Practical experience integrating AI-driven capabilities (such as LLMs, vision, or speech APIs) into production apps.
• 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.
• Exposure to on-device ML frameworks (e.g., MLKit, TensorFlow Lite).
• Track record of publishing and supporting production applications on the Google Play Store.

Reasons to join:

• Small founding team, building a greenfield AI email product from scratch.
• High‑caliber engineers from top tech companies; very high technical bar.
• Fully remote, global team, strong ownership, and visible impact.
• Very strong reward culture (including significant equity and high comp flexibility

Sounds interesting? Send us your CV by applying to this page

The provision of personal data by you is fully voluntary and the basis for their processing is your consent. We have prepared some necessary information, you can find in document: "Information regarding the processing of your personal data". There you will find how your Personal Data is being processed and what your rights are in connection to this.

The personal data will be processed by Sowelo Consulting spółka z ograniczoną odpowiedzialnością with its registered seat in Cracow (LLC) registered in National Court Register (KRS) under no. 0000671136, our Employees and Subcontractors (jointly referred to as the Company).

Sowelo Consulting sp. z o.o. (LLC) is entered in the register of employment agencies under the number: 35288

Our candidate selection process relies entirely on human judgment. We explicitly avoid using automated screening algorithms or AI-driven scoring systems for any part of the assessment. Every single profile is reviewed personally by our experienced recruiters, ensuring a thorough and unbiased consideration of your fit.

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