Job Posting

Senior Research Associate

About us

Ray Therapeutics is developing novel optogenetics gene therapies for patients with blinding diseases. The company is developing its lead candidate RTx-015 in retinitis pigmentosa, a degenerative retinal disease with significant unmet medical need. The company’s mission is to use optogenetics to restore vision, independent of genetic mutation for patients with inherited retinal diseases. Ray Therapeutics is based in the San Francisco Bay Area. For additional information, please visit our About Us page.

Position Summary:

We are currently seeking an exceptional team member who wants an active role as a Senior Research Associate to join our fast-growing team. We are looking for curious, passionate, and motivated scientists to join an organization developing the next generation of Optogenetics based gene therapy platform. The role is based in the San Francisco Bay Area office. Candidates must be able to spend a minimum of three days / week in the office.

Essential Duties and Responsibilities:

  • Develop high-throughput functional screening platforms for a portfolio of cell therapy applications
  • Develop, evaluate, optimize, and implement new technologies, laboratory protocols, and methodologies for biochemical and cell-based assays
  • Maintain familiarity with the relevant current literature and its application to multiplexing readouts and gene therapy
  • Interpret and effectively execute experiments in line with project timelines and goals
  • Other responsibilities as assigned by the Company

Qualifications and Experience:

  • BS or MS in related discipline
  • 3-5 years of hands-on lab experience in academia, biotech, biopharma, or pharmaceutical industry
  • Ability to quickly learn new skills and knowledge on the job, demonstrate productivity, and deliver high-quality results
  • Highly motivated, self-driven and results-oriented person, comfortable working independently in a fast-paced environment
  • Strong knowledge of sterile technique with significant experience maintaining cell lines and primary cell cultures
  • Using molecular and cell biology techniques including RNA/DNA extraction from various ocular tissues, ddPCR, qPCR, genetic manipulation of cells (plasmid transfection, CRISPR editing, RNAi)
  • Running Western blots, Flow cytometry and ELISAs
  • Strong organizational and documentation skills, effective verbal/written communication skills, and critical problem-solving/analytical skills
  • Able to work a flexible schedule, as needed

Working Conditions:

  • Prolonged periods of being at a stationary desk, work computer, or lab bench
  • Ability to occasionally adjust, handle, or move objects up to 50 pounds
  • Ability to assess the accuracy, neatness, and/or thoroughness of the work assigned
  • Ability to communicate with others to exchange information


This is an exciting opportunity to participate in building a company’s science and culture from the ground up, and we look forward to hearing from you!

The final salary offered to a successful candidate will be dependent on several factors that may include but are not limited to the type and length of experience within the job, type, and length of experience within the industry, education, etc.

Ray Therapeutics does not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, disability, veteran status, marital status, or based on an individual’s status in any group or class protected by applicable federal, state, and local law. We invite applications from minorities, women, the disabled, protected veterans and all other qualified applicants.

Ray Therapeutics offers a competitive total rewards package that includes a market competitive base salary, target bonus, and equity in addition to health care benefits.

Please submit please submit your resume and cover letter to: