Staff Research Scientist - Language AI (Remote)

About the Role

We are seeking a Staff Research Scientist - Language AI (Remote) to join our innovative team at DeepL. In this role, you will lead scientific innovation for our core text translation products, driving breakthroughs in machine translation technology. This position is perfect for a research leader who can define long-term scientific strategy and prototype rapidly to enhance our Language AI capabilities.

What You'll Do

• Lead hands-on research and development of our core text translation products.
• Drive innovation on methods relevant to achieving perfect translation quality as well as translation quality estimation and evaluation.
• Design, train, and optimize large-scale, LLM-based translation models for multilingual accuracy, context awareness, robustness, and varying latency demands.
• Own the full lifecycle of model delivery: prototyping, ablations, training, evaluation, optimization, and production deployment.
• Work closely with engineering teams to integrate models into real-time systems, ensuring reliability, uptime, and quality at scale.
• Drive improvements in inference efficiency, model serving, voice UX, and robustness to real-world acoustic conditions.
• Establish strong practices for evaluation, reproducibility, monitoring, and continuous model improvement in production.
• Mentor researchers and engineers, promote hands-on collaboration, and raise the bar for model quality and operational excellence.

Requirements

• Deep expertise in foundations and application of machine translation.
• A hands-on builder who enjoys training models, running experiments, debugging pipelines, and integrating ML systems into production.
• Experience shipping ML models to production, maintaining them at scale, and working with engineers on deployment, monitoring, and serving.
• Ability to lead complex research efforts while staying grounded in product impact, user experience, and real-world performance.
• Strong coding and experimentation skills (Python, PyTorch/JAX, audio processing libraries).
• Ability to communicate clearly, collaborate across teams, and align research work with product and engineering priorities.
• Proven experience mentoring others and elevating technical quality across a fast-moving, applied research team.

Nice to Have

• Experience with voice UX and real-time systems.
• Familiarity with evaluation metrics for machine translation.
• Experience in working with large datasets and cloud computing platforms.

What We Offer

• Diverse and internationally distributed team with people from over 90 nationalities.
• Open communication and regular feedback to foster collaboration and growth.
• Hybrid work model with flexible hours to support work-life balance.
• Virtual Shares to link your contribution directly to DeepL’s growth.
• Regular in-person team events to strengthen team bonds.
• Monthly Hack Fridays to explore projects you are passionate about.
• 30 days of annual leave plus access to mental health resources.
• Competitive benefits tailored to your location.

If you are ready to shape the future of AI and grow your career in a fast-moving, purpose-driven environment, apply now for the Staff Research Scientist - Language AI (Remote) position at DeepL!