At Adaptive, we’re Powering the Age of Immune Medicine. Our goal is to harness the power of the adaptive immune system to transform the way diseases are diagnosed and treated. As an Adapter, you’ll have the opportunity to make a difference in people’s lives. With Adaptive, you’ll create a career highlight through collaboration with bright, curious colleagues working at the apex of innovation and application. It’s time for your next chapter. Discover your story with Adaptive. Position Overview Adaptive Biotechnologies is seeking a Principal Machine Learning Scientist to lead the development of deep learning models for TCR–pMHC specificity prediction. In this role, you will leverage a large and growing proprietary dataset to design, train, and evaluate models that predict interactions between T cell receptors and peptide–MHC complexes. Your work will focus on developing new approaches that integrate sequence and structural information and rigorously testing their performance in practical settings. You will work closely with computational scientists, immunologists, and machine learning engineers across the organization. The team brings together expertise in immune biology, experimental assay development, and large-scale machine learning, with access to proprietary immune receptor datasets, shared GPU infrastructure, and engineering support for model development and training. This role sits at the intersection of modeling and experimental data generation. As model results highlight gaps in available data or suggest new experimental directions, newly generated datasets can provide additional signal for improving and validating the models. Models developed in this role contribute directly to diagnostic and therapeutic initiatives both within Adaptive and through external partnerships. This position offers the opportunity to advance predictive modeling of immune receptor specificity while seeing those advances translated into meaningful clinical and commercial applications. Key Responsibilities and Essential Functions - Design, implement, and train novel deep learning architectures for TCR–pMHC specificity prediction. - Extend and adapt advances in protein language models, structure prediction, generative modeling, and representation learning to the immune receptor setting. - Leverage and influence scalable training infrastructure to support large-scale model development and experimentation. - Lead rigorous benchmarking and evaluation strategies to ensure models are scientifically sound and practically superior. Define Modeling and Data Strategy - Translate biological principles of T cell recognition into principled modeling decisions. - Influence large-scale experimental data generation to maximize modeling leverage and long-term performance gains. - Evaluate emerging ML advances and determine when and how to incorporate them into Adaptive’s modeling roadmap. - Shape the long-term technical direction of machine learning in immune receptor prediction across the organization. Drive Impact Across the Organization - Partner with computational biology, immunology, translational, and engineering teams to ensure models are capable, scalable, reproducible, and aligned with therapeutic and diagnostic goals. - Clearly communicate complex modeling insights to scientific leadership, executives, and external partners. - Contribute to intellectual property development and high-impact publications. Position Requirements Required - PhD in a quantitative discipline (e.g. Machine Learning, Computational Biology, Computer Science, etc.) + 12 years progressive experience in machine learning, applied statistics or related field in a life sciences or biotech environment or similar combination of education and experience; an advanced degree preferred. - Masters + 15 years of progressive experience, or - Bachelors + 17 years of progressive experience - Progressive experience in the conception, development and deployment of deep learning methods including substantial hands-on model development - Demonstrated track record of innovating and implementing novel machine learning solutions to biological problems, as demonstrated by publications, conference papers, patents, or delivered products. - Deep expertise in python and modern ML tooling (PyTorch preferred) - Experience with version control and ML experiment tracking - Proven ability to independently define, scope, and execute complex technical research problems. - Excellent written and verbal communication skills, with ability to present highly technical material to diverse audiences. - Exceptional depth in deep learning architecture design and implementation. - Comfortable operating at the frontier of both ML and immunology. - Strategic thinker capable of influencing technical direction across teams. - Driven by impact: motivated to see models transition from research to clinical and commercial application. Preferred - Experience in one or more of the following areas desired: - Protein structure prediction - Protein design and generative modeling - Protein language models and large-scale foundation models - Working with large-scale biological datasets - Immunology and immune receptor specificity (antibody or TCR) #LI-Remote Compensation Salary Range: $183,400 - $275,000 Other compensation elements include: - equity grant - bonus eligible ALERT: Malicious groups posing as Adaptive employees have recently used fraudulent email aliases to extend employment offers, provide fake documents, and request sensitive personal and financial information. Legitimate Adaptive employment opportunities are initiated through our careers page and extended after multiple interviews with verified employees. Adaptive does not ask new hires to purchase anything out-of-pocket, including home office supplies and equipment. Interested in this position, but don’t meet all the requirements? Adaptive is committed to building diverse, equitable, and inclusive teams across our organization. Please consider applying even if your experience doesn’t match all the qualifications; you may be the exact candidate we’re searching for! Adaptive is not currently sponsoring candidates requiring work authorization support for this position. Adaptive’s posted compensation information includes a base salary (or hourly rate) range and summary of other available total compensation. The base salary range represents a minimum-to-maximum salary (or hourly rate) available to candidates upon extension of offer. Base salary is thoughtfully considered upon offer and is determined through multiple evaluation checks throughout the interview process, including: a candidate’s ability to meet minimum qualifications (skills/experience/education), a candidate’s ability to thoughtfully address preferred qualifications, current market conditions, and internal pay equity. Listed base salary is exclusive of bonus, commission, equity, differential pay, benefits, and other incentives. Adaptive's benefits at-a-glance. Adaptive Biotechnologies is an Affirmative Action and Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against based on disability. Please refer the “Know Your Rights: Workplace Discrimination is Illegal” Poster for more information. If you’d like to view a copy of the company’s affirmative action plan or policy statement, please email hr@adaptivebiotech.com. If you have a disability and you believe you need a reasonable accommodation to search for a job opening or to submit an online application, please e-mail accommodations@adaptivebiotech.com. This email is created exclusively to assist disabled job seekers whose disability prevents them from being able to apply online. Only messages left for this purpose will be returned. Messages left for other purposes, such as following up on an application or technical issues not related to a disability, will not receive a response. NOTE TO EMPLOYMENT AGENCIES: Adaptive Biotechnologies values our relationships with our Recruitment Partners and will only accept resumes from those partners who have active agreements with Adaptive. Adaptive Biotechnologies is not responsible for any fees related to resumes that are unsolicited or are received by any employee of Adaptive Biotechnologies who is not a member of the Human Resources team.

Principal Machine Learning Scientist

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