Scientist , Process Chemistry

At Amyris, we value that everyone’s career journey is unique and authentic to who they are. If this role excites you, we encourage you to apply and grow alongside us! You may be just the right candidate for this or other open roles.

The Process Chemistry team at Amyris is seeking a Chemist to join our onsite team in Emeryville, California. This is a full‑time, in‑person position focused on the scale‑up and scale‑down of chemical synthesis and purification processes. The ideal candidate will have experience in synthetic organic chemistry, as well as techniques such as solvent extraction, ion exchange, adsorption/desorption, filtration, and crystallization. Proficiency in analytical methods including NMR, GCMS, GC‑FID, LCMS, and GPC is essential for generating data to characterize impurity profiles and identify molecular and surface interactions for the synthesis and purification of bio‑derived products.

Polymer chemistry experience is a plus.

Responsibilities include interpreting data through risk assessment for process scale‑up, ensuring alignment with projected volume requirements, product specifications, and customer expectations. Strong communication skills are critical for providing data‑driven recommendations to cross‑functional teams. Collaboration and safety are top priorities for all purification and chemical process development activities.

• Personally responsible for individual as well as co‑worker safety and maintaining safety as the highest priority by supporting and reinforcing procedures and policies as part of a safety first culture.
• Application of chemistry concepts to chemical synthesis, purification process design, problem solving, and development based on best practices.
• Characterization of bio‑derived process streams, determine fate of impurities including mass balances for unit operations.
• Design experimental plans to generate meaningful data for process solutions and predictive models.
• Hands on performance of laboratory and piloting equipment.
• Develop scale up and scale down processes for evaluation and process optimization.
• Generate SOPs, Reports and Technology Transfers.
• Meet target deliverables within specifications and timelines.
• Provide process strategies and communicate success probabilities to stakeholders.

• Ph.D. in Chemistry, Chemical Engineering, or related discipline, with an emphasis on organic chemistry.
• 4+ years of relevant industry experience.
• Proven experience with chemical synthesis purification techniques including column chromatography, ion‑exchange, filtration and crystallization.
• Experience developing scalable processes, including tech transfers to pilot scale and manufacturing.
• Experience with predictive modeling of scale down processes.
• Team oriented, self‑motivated, able to communicate effectively with excellent documentation skills.
• Embrace Amyris Core Values.

The salary range for this role is: $131,000 to $176,000.

Amyris is committed to fair and equitable compensation practices. Salary offers are made based on internal equity and market analysis, and will vary based on the candidate’s skills, depth of experience and specific work location.

Amyris is committed to providing a diverse array of inclusive benefits and perks to support employees and their families’ wellbeing including access to robust healthcare, mental wellness benefits, family leave, discounted fitness memberships, education reimbursement, flexible paid time off, 17 paid holidays, 10 paid sick days, and additional paid time off including 3 volunteer days, and bereavement.

What may Candidates Expect from Amyris?

At Amyris, we strive to provide a transparent and professional hiring experience. Our interview process typically includes a combination of in‑person meetings and phone conversations. Genuine job offers are always communicated by an authorized member of our Human Resources team before being sent via email. Please note that all official communication from Amyris employees will come from an email address ending in or from no-reply
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