Company Overview Sonder Research X is a pioneering biotechnology company dedicated to advancing and innovating cancer diagnostics. Our team integrates biology, engineering, and data science to develop next-generation diagnostic technologies. We operate in a highly collaborative, fast-paced environment where precision, accountability, and cross-functional teamwork are critical to success. Position Summary Sonder Research X is seeking a highly motivated Postdoctoral Associate in Bioengineering to support the development, fabrication, and validation of experimental systems central to our diagnostic platform. This is a hands-on, laboratory-based role focused on designing and executing experiments across device-based and assay-driven workflows, with ownership of microfluidic device fabrication and validation processes. The ideal candidate is a strong experimentalist who can operate across disciplines, troubleshoot complex systems, and adapt quickly as research priorities evolve. This role is best suited for individuals who enjoy working at the intersection of engineering and biology and are eager to contribute to a rapidly advancing platform in a collaborative team environment. This is a full-time, permanent role offering the opportunity to contribute to a rapidly advancing diagnostic platform as a long-term member of our team. Key Responsibilities Device Fabrication & Chip Development
Perform microfluidic chip fabrication processes, including bonding and casting
Execute wafer-related workflows, including preparation, validation, handling, and documentation
Maintain consistency and quality across fabrication processes to support experimental reliability
Identify and troubleshoot fabrication-related issues impacting device performance
Device-Based Systems & Microfluidics
Execute experiments using microfluidic or other device-based platforms
Support preparation, testing, and validation of experimental systems, including flow-based and imaging workflows
Contribute to the optimization of system performance through structured experimentation and troubleshooting
Experimental Design & Execution
Design, plan, and execute laboratory experiments across engineering and assay-based workflows
Prepare reagents and perform end-to-end experimental procedures with a high degree of precision and reproducibility
Analyze experimental data and iterate on protocols to improve performance and reliability
Engineering & Cross-Functional Collaboration
Collaborate with interdisciplinary teams across biology, engineering, and data science
Contribute to the development of new experimental approaches and improvements to existing systems
Troubleshoot complex experimental and system-level challenges in a fast-paced environment
Documentation & Scientific Communication
Maintain detailed, accurate, and compliant documentation of experimental procedures and results
Ensure reproducibility and traceability of all work
Present findings internally and contribute to technical discussions and project updates
Ph.D. in Bioengineering, Biomedical Engineering, Chemical Engineering, Materials Science, or a closely related discipline
Experimental & Technical Capability
Strong hands-on experience designing and executing laboratory experiments in a wet-lab or device-based environment
Demonstrated ability to troubleshoot complex experimental systems and adapt to evolving research needs
Experience working with precision-based experimental workflows requiring high reproducibility and attention to detail
Hands-on experience with microfluidic systems or other device-based experimental platforms, including exposure to fabrication workflows
Experience with microfluidic chip fabrication, including bonding, casting, or wafer-based workflows
Familiarity with microfabrication techniques or cleanroom environments
Engineering Mindset
Ability to take ownership of technical workflows, including system setup, execution, and optimization
Strong problem-solving skills with the ability to diagnose and resolve system-level challenges
Collaboration & Communication
Ability to work both independently and collaboratively in a fast-paced, interdisciplinary environment
Strong documentation and communication skills to support reproducibility and cross-functional alignment
Preferred Qualifications
Experience with device validation workflows, including flow-based testing or imaging techniques
Experience operating, programming, or maintaining lab automation systems, including liquid handling robotics, to support experimental workflows
Experience working in multidisciplinary environments, integrating engineering and biology
Benefits The comprehensive benefits package includes medical, dental, and vision coverage, generous paid time off, a 401(k), an annual professional development budget, and a Coursera subscription. Growth Opportunity This role offers the opportunity to develop deep expertise in device fabrication and chip-based systems at a critical stage in our platform's development. As Sonder Research X continues to scale toward commercialization, high-performing individuals will have the opportunity to take on greater ownership of fabrication processes and grow into roles of increasing responsibility. We are building for the long term and investing in the people who help us get there.