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Biotechnology company building platform companies for health and sustainability

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Machine Learning Research Engineer

FL105 is an early-stage company backed by Flagship Pioneering that uses artificial intelligence to transform human psychological fitness and wellbeing. The Machine Learning Research Engineer will develop and deploy machine learning methods and large language model applications, collaborate with psychological experts, and advance context engineering, agentic AI, and learning from human feedback.

FL105 is an early-stage company using artificial intelligence to transform human psychological fitness and wellbeing. The Machine Learning Research Engineer will develop and apply machine learning methods, including LLM-based systems, to create psychological tools and wellbeing applications. The role involves building scalable ML pipelines, advancing agentic AI and human-feedback techniques, collaborating with psychological experts, and communicating findings to multidisciplinary teams.

Data Science Co-Op (Embedded Science Team)

Flagship Pioneering develops platform companies focused on transforming human health and sustainability, including through its Pioneering Intelligence initiative. The Data Science Co-Op will work with interdisciplinary machine learning and domain experts on computational science problems in the life sciences, building models, experimenting with datasets and techniques, and communicating results.

Pioneering Intelligence: Data Science Co-Op (Embedded Science Team)

Principal / Senior Software Engineer

FL105 is an early-stage company using artificial intelligence to transform human psychological fitness and wellbeing. The Principal / Senior Software Engineer will lead the development of customer-facing features across the front-end and back-end stack, collaborate with product, design, and research teams, and build scalable AI-enabled applications and services.

FL105 is an early-stage company pioneering the use of artificial intelligence to transform human psychological fitness and wellbeing. The company is seeking an experienced Principal / Senior Software Engineer to lead the development of customer-facing features across front-end and back-end systems, collaborate with product and research teams, and build scalable AI-enabled applications. The role also involves owning the product lifecycle, improving delivery practices, leveraging AWS infrastructure, and maintaining strong security and privacy standards.

Senior Associate, Origination

Flagship Pioneering is a scientific innovation engine that invents and builds companies in human health, sustainability, and related fields. The Senior Associate will originate and validate venture hypotheses, develop scientific and corporate strategies, establish foundational intellectual property, and help build and lead early-stage company teams and operations.

Data Science Co-Op

Metaphore Biotechnologies is a biotechnology company developing biological therapeutics through a mimic-discovery platform. The Data Science Co-Op will support computational biology and AI/ML efforts by analyzing next-generation sequencing drug discovery assays, evaluating AI/ML tools, developing reproducible analysis code, and communicating findings.

Metaphore: Data Science Co-Op

Senior Director, Business Development

Quotient Therapeutics is an early-stage biopharmaceutical company developing medicines informed by natural somatic genetic diversity. The Senior Director of Business Development will lead partnering, asset in-licensing, market intelligence, and strategic transaction activities, working cross-functionally to shape the company’s portfolio and business strategy.

Quotient Therapeutics is an early-stage biopharmaceutical company developing medicines informed by natural somatic genetic diversity. The Senior Director of Business Development will lead partnering, asset in-licensing, market intelligence, external opportunity evaluation, and strategic transactions while collaborating with R&D, clinical, regulatory, legal, finance, and executive teams.

Senior Manager, Internal Communications

Flagship Pioneering is a scientific innovation engine that invents and builds companies focused on human health, sustainability, and beyond. The Senior Manager, Internal Communications will develop and execute internal communications strategies, manage communication channels and editorial calendars, and create compelling content for employees across Flagship and its ecosystem. The role partners with leadership, HR, and functional teams to support engagement, organizational updates, change management, culture-building, and employee experience.