Senior Frontend Developer (React, TypeScript) - Quantum AI Unicorn

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 starting from €45,000, based on experience and qualifications.
• 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

• 1–4 years of experience building modern web applications using React (or Next.js) and TypeScript.
• Strong foundation in component-based design, state management (Redux, Zustand, or Recoil), and responsive UI frameworks (Tailwind, ShadCN, or Material UI).
• Experience integrating with REST or GraphQL APIs and visualizing data from backend systems.
• Solid understanding of frontend performance optimization and user experience design principles.
• Experience collaborating with product and design teams to create intuitive, research-driven interfaces.
• Comfortable working in fast iteration cycles — transforming experimental concepts into robust, usable internal tools.
  
  
  

Preferred Qualifications

• Experience building analytics dashboards or R&D workflow UIs (experiment tracking, benchmarking, pipeline monitoring).
• Familiarity with LLM tooling (Hugging Face, LangChain, OpenAI SDKs) or AI productivity interfaces.
• Experience with data visualization (Recharts, Plotly, ECharts) and storytelling through data.
• Understanding of authentication flows (JWT, OAuth2) and API consumption patterns.
• Product sensibility — ability to balance technical feasibility, UX quality, and R&D needs.
• Interest in building the interfaces that bridge ML research and automation infrastructure.
  
  
  

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!

Come and join our multicultural team!

5 locations

+27 languages