Mobile Developer, Multiverse Computing

Fixed-Term Contract

Salary not provided

AWS

GCP

Java

iOS

Android

Kotlin

Swift

Azure

Objective-C

Git

REST API

Junior and Mid level

Barcelona

More information about location

3+ days a week in office

Quantum software for complex challenges

Be an early applicant

Quantum software for complex challenges

101-200 employees

B2BArtificial IntelligenceDeep TechMachine LearningSaaS

Be an early applicant

Salary not provided

AWS

GCP

Java

iOS

Android

Kotlin

Swift

Azure

Objective-C

Git

REST API

Junior and Mid level

Barcelona

More information about location

3+ days a week in office

101-200 employees

B2BArtificial IntelligenceDeep TechMachine LearningSaaS

Company mission

To bring quantum computing to society and use cases with great impact on society and on the technological wealth of the national and international territory.

Job

Company

Role

Who you are

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
Experience building mobile apps with LLM, NLP, or generative AI features

Desirable

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

What the job involves

Fixed-term contract ending in June 2026
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

Application process

We are looking to fill this role immediately and are reviewing applications daily. Expect a fast, transparent process with quick feedback

Our take

Multiverse Computing is a company working on quantum and quantum-inspired computing solutions, addressing the limitations of traditional computing across finance, energy, manufacturing, and healthcare.

With its flagship products Singularity and CompactifAI, the company democratises quantum computing access, enabling professionals to leverage advanced algorithms for AI-driven optimisation and data compression without prior quantum expertise.

The company's had a successful 2025 too, first being named on the 2025 CB Insights' List of the 100 Most Innovative AI startups and then announcing a whopping $215M funding round. With this additional capital, the company is focused on strengthening CompactifAI, and further accelerating its name on a global scale.

Kirsty

Company Specialist at Welcome to the Jungle

Company

Funding (last 2 of 10 rounds)

Jun 2025

$222m

SERIES B

Mar 2025

$76.4m

GRANT

Total funding: $358.1m

Company HQ

Miramón-Zorroaga, Donostia-San Sebastian, Spain

Leadership

Enrique Lizaso Olmos

(Founder & CEO)

Founder of BlockTac and President of the 'Quantum for Quants' Commission at the Quantum World Association. Previously taught Statistical Methods for Engineering at the University of Vic - Central University of Catalonia.

Samuel Mugel

(CTO)

Mentor at the Creative Destruction Lab, and Scientific Advisor for the McKinsey Technology Council and Quantum World Association. Previously a Computational Physicist at Cortirio and a Technical Director at Quantum Ventures.

Alfonso Rubio-Manzanares

(CMO)

Partner and CEO at Entanglement Partners, as well as the General Manager at The Carrot Cake. They are also on multiple Advisory Boards, including greenYng, Ubiquat Technologies, and Ontek. Previously co-founded Ontek, Hubtype, and Cabier Institute.

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