# Principal Scientist, Analytical Development & Formulation at Janux Therapeutics

- Company: Janux Therapeutics
- What the company does: Janux Therapeutics develops immunotherapies that generate immune responses to prevent tumors and not affect a patient’s healthy tissue. Janux technology targets all three stages of the anti-tumor immune response. Backed by Correlation Ventures.
- Company website: https://januxrx.com
- Type: Startups
- Level: Principal and up
- Location: San Diego, CA
- Work setup: On-site
- Pay: $170K to $185K base salary per year (USD)
- Posted: 2026-09-25
- Apply by: 2026-11-09
- Apply: https://jobs.lever.co/januxrx/1a7a7ed5-8b02-47bd-91f4-64fb489f02ae
- Page: https://www.1752.vc/careers/jobs/janux-therapeutics-principal-scientist-analytical-development-and-formulation/

## About the role

We are seeking a highly skilled and motivated Principal Scientist to join our Analytical and Formulation Development team. The successful candidate will lead and oversee analytical and formulation development activities for our pipeline of therapeutic candidates in immuno-oncology and autoimmune disease. This role requires a deep understanding of analytical methodologies, formulation development of biologics, regulatory requirements, as well as experience managing analytical development and QC activities at CDMOs.

## What they're looking for

- Extensive experience in analytical method development, validation, and troubleshooting
- Proven track record in formulation development for protein therapeutics
- Strong knowledge of regulatory requirements (FDA, Ph. Eur., ICH) and cGMP guidelines
- Experience with advanced analytical techniques utilized in drug development for biologics
- Familiarity with Quality by Design (QbD) principles and risk-based approaches
- Must have experience in managing external CROs and CMOs

Tags: Analytical Development

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/janux-therapeutics-principal-scientist-analytical-development-and-formulation/