AI Research Scientist

Overview

Job Description

Responsibilities

• - Design and execute research on LLM fine-tuning, alignment, and post-training methods (SFT, RLHF) tailored for clinical and therapeutic domains;
• - Develop and improve foundational AI models that power our AI agents, spanning language, vision, speech, and multimodal systems;
• - Contribute to the full model development cycle: dataset curation and annotation, architecture design, training, evaluation, and iteration;
• - Collaborate across AI Engineering, Product, and Clinical teams to translate research breakthroughs into production systems that deliver patient care;
• - Work towards long-term ambitious research goals, such as clinical memory, long-horizon planning, and safety validation, while identifying and delivering immediate milestones;
• - Advance the field by publishing in top-tier AI venues and clinical journals, contributing to Sword's growing body of peer-reviewed research.

Required Skills

• - A PhD in Computer Science, Machine Learning, Natural Language Processing, or a closely related AI field;
• - Hands-on experience fine-tuning large language models (pre-training, SFT, RLHF, or related post-training techniques);
• - A strong publication track record in peer-reviewed AI conferences or journals;
• - Proficiency in Python and deep experience with modern ML frameworks (e.g., PyTorch, JAX);
• - Demonstrated ability to design rigorous experiments and interpret their results.

Benefits

• - Health, dental and vision insurance
• - Meal allowance
• - Equity shares
• - Remote work allowance
• - Flexible working hours
• - Work from home
• - Discretionary vacation
• - Snacks and beverages