Senior Mobile Engineer - Mobile Engineering (Android · iOS · React Native · Flutter)

AiMA Beyond Ai

Municipality of Madrid, Spain

3 days ago

Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Working hours

Regular working hours

Languages

English

Experience level

Senior

Compensation

€ 40K

Job location

Municipality of Madrid, Spain

Tech stack

Flutter

Java

Android

iOS

Mobile Application Development

Continuous Integration

Game Engine

Python

Node.js

NoSQL

Next.js

SQL Databases

Data Streaming

Systems Integration

WebSocket

Real Time Systems

React

Vue.js

Kotlin

React Native

Front End Software Development

Unreal Engine

Microservices

Job description

About AiMA AiMA is a pioneering project in conversational artificial intelligence with a strong human and emotional core. We aim to create immersive digital experiences where virtual assistants can accompany and emotionally support people who feel alone. We are seeking a Senior Mobile Engineer with strong experience in Android, iOS, React Native, and Flutter capable of evolving our mobile core and native integrations with Unreal Engine. Role Senior Mobile Engineer (Native Integrations + RN Migration) This role focuses on advanced mobile development, native integrations, and migration of core libraries to React Native. * Maintain and evolve Android (Kotlin / Java) and iOS (Swift) libraries embedded in Unreal Engine. * Add new native functionalities and optimize performance. * Lead the complete migration of the mobile core to React Native through native modules and JS * Native bridges. Key Responsibilities * Maintain and extend Android / iOS native libraries for Unreal Engine. *

Requirements

Implement new functionalities in Kotlin / Java and Swift. * Build native modules and bridges for React Native. * Mobile development using React Native and Flutter. * Integrate backend services in Python and Node.js. * Develop web features using React, Vue, or Next.js. * Work with SQL and NoSQL databases. Requirements 5+ years of real mobile development experience. * Deep knowledge of Android (Kotlin / Java) and iOS (Swift). * Proven experience building native modules for React Native. * Knowledge of Flutter. * Experience with native integrations for game engines (Unreal ideal). * Experience with Python, Node.js, and modern frontend frameworks. * Experience with SQL and NoSQL databases. * Fluent technical English. Nice to Have * Experience with Unreal or Unity. * Streaming, WebSockets, real-time systems. * CI / CD and mobile automation. What We Offer * Lead the AiMA Mobile Core. * Technical ownership and architecture decisions. * Multidisciplinary