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 inn 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. **Overview:** We are seeking a motivated and detail\-oriented **QA / Tester** to join our Research team. This role welcomes candidates at both Junior and Mid\-levels. You will work closely with Software Engineers, Researchers, and cross\-functional teams to ensure high\-quality deliverables across multiple projects. Depending on your experience, you will either support or lead key testing processes, documentation, and inter\-departmental coordination. This role is well\-suited for individuals who are analytical, persistent, collaborative, and eager to enhance the quality of systems and workflows. **Key Responsibilities:** **Core QA Responsibilities (all levels):** * Write, refine, and execute test cases for various project requirements. * Perform functionality, regression, exploratory, and acceptance testing. * Identify, document, and track bugs with clarity and consistency. * Maintain detailed documentation of test results, bugs, and retesting outcomes. * Collaborate with Software Engineers and Research team members to clarify requirements and ensure smooth testing cycles. **Additional Responsibilities Based on Level:** **Junior Level:** * Assist in writing and updating test cases and documentation. * Execute test cases and support bug investigations. * Work closely with Mid QA and SEs to understand testing expectations and processes. * Contribute to a collaborative, team\-oriented environment. **Mid\-Level**: * Own handoffs between departments during requirement gathering and final delivery. * Define and write structured test cases, acceptance criteria, and documentation. * Delegate testing tasks to Junior QA and coordinate test flows with SEs. * Manage QA documentation repositories and support admin tasks (GitLab, Monday.com reporting). * Ensure alignment across distributed teams and multiple system environments. **What We’re Looking For:** **Required (all levels):** * Strong attention to detail and commitment to quality. * Clear communication skills, both written and verbal. * Ability to work collaboratively in a multi\-project environment. * Problem\-solving mindset and willingness to learn. **Junior Nice\-To\-Have Traits:** * Team spirit and highly collaborative nature. * Social and communicative. * Persistent, “restless” personality — not satisfied until tests are perfect and bugs are uncovered. **Mid\-Level Nice\-To\-Haves:** * Experience coordinating tasks across teams and departments. * Strong admin and documentation management skills. * Experience with distributed teams and multi\-system environments. * Familiarity with GitLab and Monday.com workflows. **Tools \& Platforms (bonus):** * GitLab * Monday.com * Test case management or bug\-tracking systems * **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.