Mobile Developer (iOS, Android and LLM Applications) - Fixed Term Contract - Barcelona

Mobile Developer

A fantastic opportunity for a driven Mobile Developer to join a leading Quantum AI company, where you will work on cutting-edge solutions for iOS, Android and LLM Applications. You’ll be working alongside world-leading experts in quantum computing and AI, who are developing solutions that deliver real-world impact for global clients.

This is initially a 9 Month Fixed Term Contract, with scope to extend - *Hybrid working from sites in Madrid or Barcelona.

As a Mobile Developer you will:

• Design, build, and maintain native mobile applications for both iOS (Swift/Objective-C) and Android (Kotlin/Java) platforms, with a focus on AI/LLM-powered features and APIs.
• Integrate advanced AI, LLM, and NLP capabilities to deliver seamless in-app chat, text, or recommendation features.
• Collaborate with designers, product managers, and backend/AI engineers to deliver high-performance and engaging user experiences.
• Connect mobile apps to cloud services and APIs, ensuring real-time delivery of AI outputs and secure data exchange.
• Write clean, maintainable, and efficient code; troubleshoot, debug, and optimize across platforms for quality, reliability, and scalability.
• Monitor app performance, report issues, and contribute to continuous improvements in codebase and mobile UX.
• Document development processes, participate in code reviews, and support app deployment to the App Store and Google Play.

Required Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or related technical field.
• Minimum 2 years’ experience developing and releasing iOS and Android mobile applications, including API/cloud integrations.
• Proficiency in Swift and Objective-C for iOS; Kotlin and Java for Android development.
• Familiarity with mobile UI/UX design principles, version control (Git), and use of Android Studio/Xcode.
• Experience integrating mobile apps with RESTful APIs and cloud services.
• Ability to communicate effectively and collaborate in a cross-functional product team.

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