Mobile Developer - (iOS & Android, LLM Applications)

Join a pioneering Quantum AI company that’s redefining how artificial intelligence is built and deployed!

We’re looking for a driven Mobile Developer to help build next-generation apps that connect users with advanced AI and language model technologies, delivering meaningful real-world impact for global clients.

Location:

Madrid or Barcelona (Hybrid) Contract:

Fixed Term contract ending 30th June 2026

What You’ll Do Design, build, and maintain native mobile applications for iOS (Swift/Objective-C) and Android (Kotlin/Java), with an emphasis on AI- and LLM-powered experiences.

Integrate AI, LLM, and NLP capabilities to create intelligent, dynamic in-app chat, text, and recommendation features.

Collaborate closely with designers, product managers, and backend/AI engineers to deliver high-performance, intuitive, and visually engaging mobile experiences.

Connect mobile apps to APIs and cloud services, ensuring secure, low-latency data exchange and real-time AI interactions.

Write clean, maintainable, and efficient code, while debugging, optimizing, and enhancing reliability across both platforms.

Monitor performance, identify issues, and contribute to continuous improvement in app quality and user experience.

Document workflows, participate in code reviews, and support deployments to both the App Store and Google Play.

What You’ll Bring Bachelor’s degree in Computer Science, Software Engineering, or a related technical field.

2+ years of professional experience developing and releasing iOS and Android applications.

Proficiency in Swift and Objective-C (iOS), as well as Kotlin and Java (Android).

Strong understanding of mobile UI/UX design principles, version control (Git), and development tools such as Xcode and Android Studio.

Experience integrating mobile apps with RESTful APIs and cloud-based services.

Excellent communication and teamwork skills within cross-functional, agile product teams.

Bonus Points For Experience developing LLM-, NLP-, or generative AI-enhanced mobile applications.

Familiarity with cloud AI/ML platforms such as AWS, Azure, GCP, or OpenAI APIs. Previous experience publishing and maintaining apps on both the App Store and Google Play.

Interest in mobile data security, user privacy, and responsible AI.

By applying to this role you understand that we may collect your personal data and store and process it on our systems.

For more information please see our Privacy Notice