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Application Developer (Fixed-term contract) Job Opening In Barcelona – Now Hiring MULTIVERSE COMPUTING


Job description

Come and join our multicultural team!

5 locations
+27 languages



We are looking to fill this role immediately and are reviewing applications daily.

Expect a fast, transparent process with quick feedback.

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 groundbreaking technology is already transforming how AI is deployed worldwide — compressing large language models by up to 95% without losing accuracy and cutting 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.”

We offer






  • Competitive annual salary 

  • Two unique bonuses: signing bonus at incorporation and retention bonus at contract completion.


  • Relocation package (if applicable).

  • Fixed-term contract ending in June 2026

  • Hybrid role and flexible working hours.


  • Be part of a fast-scaling Series B company at the forefront of deep tech.


  • Equal pay guaranteed.


  • International exposure in a multicultural, cutting-edge environment.


Required Qualifications


  • Bachelor's degree or higher in Computer Science, a related technical field or
    relevant industry experience

  • Expert knowledge of Python and extensive experience in app development (e.g. Flutter or next.js).

  • Junior: 1-2 years of experience in software engineering

  • Mid: 3+ years of experience in software engineering

  • Experience in developing and deploying software systems on the cloud, e.g. AWS.

  • Proficiency with Docker, git and CI/CD pipelines.

  • Demonstrated commitment to maintainable, high-quality code through best
    practices such as testing, documentation, and clean design principles, and the
    ability to instill this in others.

  • Strong ability to work with APIs and design efficient application workflows.

  • Excellent communication and soft skills: a people’s person.

  • Ability to work with experts from different professional backgrounds, both in-person and through online resources


Preferred Qualifications


  • Experience with algorithm development and optimization, designing scalable and
    robust class structures.

  • Experience in working with cross-functional teams.

  • Experience working with deep learning models.

  • Experience developing, deploying and maintaining RAG-like applications.





About Multiverse Computing

Founded in 2019, we are a well-funded, fast-growing deep-tech company with a team of 180+ employees worldwide.

Recognized by CB Insights (2023 & 2025) as one of the Top 100 most promising AI companies globally, we are also 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 different backgrounds, including age, citizenship, ethnic and racial origins, gender identities, individuals with disabilities, marital status, religions and ideologies, and sexual orientations to apply.

Required Skill Profession

Computer Occupations


  • Job Details

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Unlock Your Application Developer Potential: Insight & Career Growth Guide


Real-time Application Developer Jobs Trends (Graphical Representation)

Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph here. Uncover the dynamic job market trends for Application Developer in Barcelona, Spain, highlighting market share and opportunities for professionals in Application Developer roles.

36471 Jobs in Spain
36471
6429 Jobs in Barcelona
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Download Application Developer Jobs Trends in Barcelona and Spain

Are You Looking for Application Developer (Fixed term contract) Job?

Great news! is currently hiring and seeking a Application Developer (Fixed term contract) to join their team. Feel free to download the job details.

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The Work Culture

An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at MULTIVERSE COMPUTING adheres to the cultural norms as outlined by Expertini.

The fundamental ethical values are:

1. Independence

2. Loyalty

3. Impartiapty

4. Integrity

5. Accountabipty

6. Respect for human rights

7. Obeying Spain laws and regulations

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The average salary range for a varies, but the pay scale is rated "Standard" in Barcelona. Salary levels may vary depending on your industry, experience, and skills. It's essential to research and negotiate effectively. We advise reading the full job specification before proceeding with the application to understand the salary package.

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MULTIVERSE COMPUTING interview tips for Application Developer (Fixed term contract)

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Before the Interview:

Research: Learn about the MULTIVERSE COMPUTING's mission, values, products, and the specific job requirements and get further information about

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