AI Researcher (PhD), 2026 Graduate U.S.

About the role: Join our cutting-edge Machine Learning Research team at Atlassian where youll have the opportunity to work on advanced Machine Learning (ML) and Artificial Intelligence (AI) technologies, particularly focusing on areas such as Large language models (LLMs), Generative AI, Search, Conversational Agents, and AI Optimization. You’ll be part of a team that pioneers innovations to address complex real-world problems, developing state-of-the-art AI solutions that will ultimately drive impact for Enterprises. Your daily responsibilities will encompass a broad spectrum of tasks such as designing system and model architectures, conducting rigorous experimentation and model evaluations. You will be responsible for application of AI/ML to various product problems to improve Atlassian products and actively contribute to Atlassian Intelligence features. Required Qualifications • Bachelors degree or above in Computer Science or a relevant technical field. • Currently enrolled full time in a a PhD degree in Computer Science or a relevant technical field and are graduating by June 2026. • Strong foundation in AI/ML, LLMs, Optimization and related techniques. • Experience with research, publishing, building and scaling machine learning models using large amounts of data. • Agile development mindset, appreciating the benefit of constant iteration and improvement. • Must be able to obtain work authorization in the country of employment at the time of hire and maintain ongoing work authorization during employment. Preferred Qualifications • Demonstrate proficiency in Python programming and ability to write clean, efficient and well-documented code. • Has expertise in managing data using Python libraries such as NumPy, Pandas, Matplotlib, in addition to leveraging models from Hugging Face and has practical knowledge of applied machine learning and deep learning frameworks, like PyTorch. • Demonstrated exposure to natural language processing (NLP), Computer Vision (CV), Reinforcement Learning (RL), and AI Optimization • Familiarity with state-of-the-art research in machine learning and AI, as evidenced by relevant coursework, publications, or projects. Having publications in top-tier AI conferences or journals will be considered an asset or a plus. • Excels in solving ambiguous and complex problems, being able to navigate through uncertain situations, breaking down complex challenges into manageable components and developing innovative solutions. Compensation At Atlassian, we strive to design equitable, explainable, and competitive compensation programs. To support this goal, the baseline of our range is higher than that of the typical market range, but in turn we expect to hire most candidates near this baseline. Base pay within the range is ultimately determined by a candidates skills, expertise, or experience. In the United States, we have three geographic pay zones. For this role, our current base pay ranges for new hires in each zone are: Zone A: $175,500 - $229,125 Zone B: $158,400 - $206,800 Zone C: $145,800 - $190,350 This role may also be eligible for benefits, bonuses, commissions, and equity. Please visit go.atlassian.com/payzones for more information on which locations are included in each of our geographic pay zones. However, please confirm the zone for your specific location with your recruiter. Benefits & Perks Atlassian offers a wide range of perks and benefits designed to support you, your family and to help you engage with your local community. Our offerings include health and wellbeing resources, paid volunteer days, and so much more. To learn more, visit go.atlassian.com/perksandbenefits. About Atlassian At Atlassian, were motivated by a common goal: to unleash the potential of every team. Our software products help teams all over the planet and our solutions are designed for all types of work. Team collaboration through our tools makes what may be impossible alone, possible together. We believe that the unique contributions of all Atlassians create our success. To ensure that our products and culture continue to incorporate everyones perspectives and experience, we never discriminate based on race, religion, national origin, gender identity or expression, sexual orientation, age, or marital, veteran, or disability status. All your information will be kept confidential according to EEO guidelines. To provide you the best experience, we can support with accommodations or adjustments at any stage of the recruitment process. Simply inform our Recruitment team during your conversation with them. To learn more about our culture and hiring process, visit go.atlassian.com/crh. Apply tot his job