Our Firm

Careers at Parnassus Investments

Parnassus Research Internship Program

Parnassus Investments has had many talented people come through the Parnassus Research Internship Program since it began in 1986. We consider the Program to be one of our proudest achievements.

Prospective Research Interns

Please contact Paula Benone at for more information about the Parnassus research internship program.

Research Intern Reunions

Please contact Marie Lee at for more information on Parnassus intern reunions.

There are no positions currently available.

Software Engineer Internship

As a software engineer, you will work in our IT team to improve and create new components that drive our business processes. This is an internship with flexible start dates, lasting typically about 12-14 weeks.


  • Actively participate in the design and development of in-house business application tools
  • Improve and maintain our website applications and data warehouse solution
  • Refactor and create new data access and unit testing components
  • Integrate 3rd party APIs and components
  • Implement Test Driven Development
  • Learn about the business and technical practices at Parnassus Investments


  • Bachelors in Computer Science (in progress or completed)
  • Strong foundation in Computer Science (data structures, algorithms, programming languages, operating systems, databases)
  • Experience in web development preferred
  • Solid understanding of Object-Oriented design and programming concepts
  • Exceptional verbal and written communication skills
  • Familiarity or experience with C#, Javascript, Html, CSS, SQL, ASP.NET, Visual Studio, relational databases preferred
  • Ability to work in a team
  • Learn new languages and platforms quickly
  • Be a self-starter and possess strong sense of self-motivation
  • Love technology and software

Please send your resume and interest to