Senior Research Scientist

Senior Research Scientist MEET DEEPL DeepL is a global AI product and research company focused on building secure, intelligent solutions to complex business problems. Over 200,000 business customers and millions of individuals across 228 global markets today trust DeepL's Language AI platform for human-like translation, improved writing and real-time voice translation. Building on a history of innovation, quality and security, DeepL continues to expand its offerings beyond the field of Language, including DeepL Agent - an autonomous AI assistant designed to transform the way businesses and knowledge workers get work done. Founded in 2017 by CEO Jarek Kutylowski, DeepL now has over 1,000 passionate employees and is supported by world-renowned investors including Benchmark, IVP, and Index Ventures. Our goal is to become the global leader in trusted, intelligent AI technology, building products that drive better communication, foster connections, and create a meaningful impact. To achieve this, we need talented people like you to join our journey. If you’re ready to shape the future of AI and grow your career in a fast-moving, purpose-driven environment, DeepL is your next destination. WHAT SETS US APART What sets us apart is our blend of cutting-edge AI technology, meaningful work, and a culture where people truly thrive. We’re a team of innovators, researchers, and creators driven by a shared purpose to unlock human potential by making work simpler, smarter, and more connected. When we share what it’s like to work at DeepL, the reactions are overwhelmingly positive. This might be because of our technology that helps millions of people and businesses communicate and work better every day, or because of the trust, curiosity, and care that shape our culture. What we know for sure is this: being part of DeepL means joining a team dedicated to innovation, growth, and well-being. Discover more about life at DeepL onLinkedIn https://www.linkedin.com/company/deepl/,Instagram https://www.instagram.com/deepl_official/, and our Blog https://www.deepl.com/en/blog. MEET THE TEAM BEHIND THIS JOURNEY DeepL is a global communications platform powered by Language AI, dedicated to breaking down language barriers since 2017. Our human-sounding translations and intelligent writing suggestions are designed with enterprise security in mind, enabling over 100,000 businesses to transform communications and improve productivity. What sets us apart is our blend of modern technology, massive proprietary datasets, and one of Europe’s most powerful supercomputers. At DeepL, research isn’t just an academic exercise; it’s a mission to see your work deployed into products loved by millions worldwide. THE OPPORTUNITY: DEFINE THE FUTURE OF COMMUNICATION We are looking for passionate Research Scientists to join our core AI pillars. This unified role covers three of our most critical research areas. Depending on your expertise and interest, you will join one of the following teams: - Language AI: Building the world's leading translation and text-improvement systems, taking responsibility for the entire model lifecycle from data to deployment. - Foundation Model Task Adaptation (FMTA): Shaping how our models learn beyond pre-training. You will focus on RLHF, alignment, and post-training to enable new reasoning and controllability capabilities. Voice AI: Solving the "art of the possible" for real-time voice communication, including transcription, speech-to-speech translation, and low-latency audio generation. YOUR RESPONSIBILITIES - Innovate & Build: Design and deploy state-of-the-art AI models—whether for translation, large-scale model alignment (RLHF/RLAIF), or multi-modal voice processing. - Scale at Speed: Train neural networks at scale on DeepL’s dedicated GPU clusters, pushing the boundaries of performance while aggressively optimizing for low-latency production environments. - End-to-End Ownership: Manage the entire lifecycle of research: ... (truncated, view full listing at source)