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Mobile Developer (Fixed-term contract)

Mobile Developer (Fixed-term contract)

Multiverse ComputingMadrid, Comunidad de Madrid, España
Hace 14 horas
Descripción del trabajo

Overview

Mobile Developer (Fixed-term contract) at Multiverse Computing — immediately filling role; hybrid work with flexible hours. Fixed-term contract ending in June 2026. Relocation package available (if applicable). Competitive annual salary with two unique bonuses (signing bonus at incorporation and retention bonus at contract completion). Equal pay guaranteed. International exposure in a multicultural, cutting-edge environment.

Why join us

We are a European deep-tech leader in quantum and AI, backed by major global strategic investors and strong EU support. Our technology compresses large language models by up to 95% without losing accuracy and cuts inference costs by 50–80%. Joining us means working on cutting-edge solutions that make AI faster, greener, and more accessible, and being part of a company often described as a “quantum-AI unicorn in the making.”

As a Mobile Developer (iOS & Android, LLM Applications) you will

  • Design, build, and maintain native mobile applications for iOS (Swift / Objective-C) and Android (Kotlin / Java) with a focus on AI / LLM-powered features and APIs.
  • Integrate advanced AI, LLM, and NLP capabilities to deliver 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 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.
  • Preferred Qualifications

  • Experience building mobile apps with LLM, NLP, or generative AI features.
  • Familiarity with cloud ML services (AWS, Azure, GCP, OpenAI).
  • Prior experience publishing and maintaining apps on both App Store and Google Play.
  • Interest in mobile data security and user privacy protections.
  • About Multiverse Computing

    Founded in 2019, Multiverse Computing is a well-funded, fast-growing deep-tech company with 180+ employees worldwide. Recognized by CB Insights (2023 & 2025) as one of the Top 100 most promising AI companies globally, we are the largest quantum software company in the EU.

    Our flagship products address critical industry needs :

  • CompactifAI — a groundbreaking compression tool for foundational AI models, reducing their size by up to 95% while maintaining accuracy, enabling portability across devices from cloud to mobile and beyond.
  • Singularity — a quantum and quantum-inspired optimization platform used by blue-chip companies in finance, energy, and manufacturing to solve complex challenges with immediate performance gains.
  • You’ll be working alongside world-leading experts in quantum computing and AI, developing solutions that deliver real-world impact for global clients. We are committed to an inclusive, ethics-driven culture that values sustainability, diversity, and collaboration — a place where passionate people can grow and thrive. Come and join us!

    As an equal opportunity employer, Multiverse Computing is committed to building an inclusive workplace. The company welcomes people from all backgrounds, including age, citizenship, ethnic and racial origins, gender identities, individuals with disabilities, marital status, religions and ideologies, and sexual orientations to apply.

    Come and join our multicultural team!

    5 locations

  • 27 languages
  • #J-18808-Ljbffr

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    Mobile Developer • Madrid, Comunidad de Madrid, España