Senior Applied NLP Research Engineer, Synthesia

• MSc or PhD in Computer Science, Natural Language Processing or a related discipline
• You have 5+ years of experience leading end-to-end NLP/ML projects—from problem formulation and data gathering to model training, benchmarking, and release
• You have hands-on experience applying Large (Multimodal) Language Models to complex business applications
• You’re familiar with fine-tuning open-source LLMs for specialised tasks or domains
• Strong software development skills and experience across the stack: Python, PyTorch, Docker, Git, and an understanding of good software engineering practices (e.g., testing, code reviews)
• You possess excellent verbal and written communication skills in English and a genuine passion for what you do
• … and above all you are passionate about what you do!

Desirable

• You will join the Assisted Creation team in R&D
• Think of Assisted Creation as a co-pilot for video production—a “virtual director” that orchestrates all the necessary components to create professional-looking videos
• Whether a user wants to make a company presentation, an advertisement, or a training video, Assisted Creation ensures users with different levels of expertise in video making can create high quality and engaging videos
• In this role, you’ll tackle both short-term product needs and long-term R&D goals
• Understand the business use cases and product needs and translate them into actionable ML problems
• Determine data requirements and define appropriate data pipelines to support your solutions
• Design metrics that optimise not just model performance but real-world user experience and business impact
• Develop baseline models and iteratively improve them through experimentation and benchmarking
• Collaborate with product, design, and research teams to ensure your work is aligned and impactful
• Take ownership of ambitious projects and help shape the future direction of the product