Leonard Ehrenfried

Leonard Ehrenfried is a freelance software developer specializing in public transport and Geographic Information System (GIS) applications, with a particular focus on OpenTripPlanner. Here are some key details about Leonard:

Professional Background

• Expertise: Leonard is a core developer of OpenTripPlanner, a public transport routing and information engine used worldwide.4
• Specialization: He focuses on OpenTripPlanner and associated mobility projects.5
• Experience: Leonard has over a decade of experience in building software systems, serving as an interim team lead, and managing infrastructure setups.

Education and Skills

• Education: He holds a Master's degree in Computer Science from University College London, University of London.
• Technical Skills: Leonard specializes in Scala development.

Work and Contributions

• Self-employed: Currently working as an independent software contractor.5
• OpenTripPlanner Involvement:
  • Core developer of the project.4
  • Contributes to various aspects, including fare calculation systems.2
  • Involved in ride-hailing service integration for OpenTripPlanner.3
• Community Engagement: Active in the OpenTripPlanner developer community, participating in discussions and contributing to the project's development.1

Additional Information

• Location: Based in the Berlin Metropolitan Area.
• Services: Offers expertise in OpenTripPlanner development and deployments.5
• Community Support: Provides resources for the OpenTripPlanner community, such as hosting snapshot downloads for OTP2.6
• Event Organization: Involved in organizing developer-focused meetings for the OpenTripPlanner community.7

Leonard Ehrenfried is clearly a significant contributor to the OpenTripPlanner project, offering his expertise as an independent consultant and actively participating in the development and growth of this open-source transit planning tool.