Process Research and Development Scientist I

Overview STA Pharmaceuticals, a WuXi AppTec Company, has an exciting opportunity for a Process Research and Development Scientist in our San Diego site. This position works within a team of Process Research and Development (R&D) Scientists in conjunction with the Analytical Chemistry Department and is co-responsible for developing safe, efficient and easily scalable processes for producing starting materials, intermediates and active pharmaceutical ingredients (APIs). In addition, this position assists in tech transferring projects to Kilo Lab and Pilot Plant scales and contributes to the safe and cGMP compliant execution of API manufacturing processes. This is a hands-on synthetic organic chemistry role that requires the ability to solve process and scale-up problems through laboratory-scale investigations of organic synthesis reactions and separations. The incumbent may also work with Quality Assurance (QA) to ensure that high quality standards are maintained and appropriate documentation such as process development and scale-up documentation, including batch records (BRs) are completed in a timely manner, and that standard operating procedures (SOPs) are written and followed. Responsibilities u2022 Researches and develops fit for purpose, safe, efficient and easily scalable chemical processes to make SM, API, intermediates. u2022 Reports project progress to the supervisor and the clients to ensure that timelines and expectations are delivered. u2022 Plans, executes, and documents cGMP and Non-GMP/GLP laboratory work supporting regulatory submissions. u2022 Evaluates chemical reactivity hazards using techniques, such as reaction calorimetry, online analytics, and batch process modeling tools. u2022 Collaborates with other functional groups as needed. u2022 Coordinates the completion of specific project tasks with other departments. u2022 Actively communicates, consults and collaborates with colleagues and clients to ensure optimal execution and record of PR&D activities. u2022 Provides regular updates, documentation and communication of PR&D results to development team/clients. u2022 Collates and presents results in various forms, such as weekly/monthly reports, technical reports, and oral presentations for internal review and to clients Qualifications u2022 PhD in synthetic organic chemistry or related field, relevant experience, or equivalent combination of education and industry experience is preferred. u2022 Strong background in organic chemistry, as well as thorough knowledge of analytical techniques. u2022 Synthetic organic chemistry such as rational design of reaction, synthetic routes, mechanism understanding/elucidation. Experience in total synthesis is a plus. Knowledge / Skills / Abilities: u2022 Demonstrated in-depth understanding of organic synthesis, purification techniques, and analysis of organic reactions/products. u2022 Demonstrated success working effectively outside defined scope of responsibility, when required. u2022 Ability to provide technical and troubleshooting support for all Process R&D activities. Anticipated salary range: $82,731 to $120,000 An 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 on the basis of disability Need help finding the right job? We can recommend jobs specifically for youAn 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 on the basis of disabilityAn 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 on the basis of disability ( Job Locations _US-CA-San Diego_ Job ID _2026-13912_

Created: 2026-01-14