Senior Formulation Scientist

Location: Los Alamitos, California, US; on-site

Salary: $130,000–$155,000 per year for US-based candidates, with the final range determined by location, experience, skills, training, licensure, and certifications.

Company

Hims & Hers is a public health and wellness platform delivering personalized access to diagnosis, treatment, and medication delivery.

What you will do

• Lead formulation and process development for sterile injectable and peptide-based products, including solutions, suspensions, and long-acting injectables.
• Design pre-formulation, excipient compatibility, forced-degradation, freeze-thaw, container-closure, and process-robustness studies.
• Develop stability programs and beyond-use-date justifications aligned with ICH Q1A(R2), Q5C, USP, and FDA 503B requirements.
• Provide technical input on peptide API selection, characterization, and make-versus-buy evaluations.
• Support technology transfer from laboratory and pilot scale to commercial manufacturing across sites.
• Author technical documentation, support OOS/OOT investigations and CAPA implementation, and mentor formulation scientists and technicians.

Requirements

• Ph.D. in Pharmaceutical Sciences, Chemistry, Chemical Engineering, or a related field with 6–8+ years of industry experience, or a B.S./M.S. with 8–10+ years of relevant experience.
• Hands-on experience formulating peptide therapeutics for parenteral administration and developing sterile injectable drug products.
• Experience with formulation design, fill/finish considerations, container-closure selection, and scale-up in CGMP environments.
• Strong knowledge of peptide degradation pathways, stability-indicating analytical methods, and analytical data interpretation using UPLC/HPLC and mass spectrometry.
• Experience with ICH Q1A(R2)/Q5C stability studies, USP/FDA 503B requirements, technical writing, and cross-functional communication.
• Ability to work on-site in Los Alamitos, California.

Nice to have

• Experience with third-party API/BUD data packages and make-versus-buy sourcing recommendations.
• Familiarity with long-acting injectable or novel peptide delivery technologies.
• Experience with IND/NDA or 503B regulatory submissions.
• Prior leadership or mentorship experience and multi-site technology transfer coordination.

Culture & Benefits

• Competitive salary and equity compensation for full-time roles.
• Unlimited PTO, company holidays, and quarterly mental health days.
• Medical, dental, vision, and parental leave benefits.
• Employee Stock Purchase Program and 401(k) with employer matching.
• Offsite team retreats and a workplace focused on ethics, wellness, belonging, and diverse perspectives.