Job Description

Please be aware of recruiting scams!

All legitimate communication from our recruitment team will come from an official  calstart.org email address via email, we will not text you about a role you have not applied to or shown interest in. We will not perform any interviews via text or Zoom chat.

CALSTART does not ask for any fees or personal information such as social security numbers or bank details during the recruitment process.

About Us :

CALSTART is a mission-driven industry organization focused on transportation decarbonization and clean air for all.

For over 30 years, it’s been CALSTART’s mission to develop, assess, and implement large-scale, zero-emission transportation solutions to mitigate climate change and support economic growth. CALSTART works with businesses, organizations, governments, and communities to create real-life impact toward clean air and equitable access to clean transportation for all. CALSTART provides scientific, technical and policy support for regulatory development and clean technology and infrastructure acceleration.

About the Role:   

The Data Software Engineer Intern role focuses on developing and optimizing the Zero-Emission Fleet Planning Tool, a tool that helps transit agencies, school bus fleets, and truck fleets transition to zero-emission vehicles. The Intern will play a key role in building and enhancing Python-based APIs that power real-time data integration, fleet simulations, and operational analytics, ensuring a seamless and high-performance user experience.

In this role, the intern will work with APIs, databases, and backend infrastructure to support fleet transition modeling, energy analysis, and infrastructure planning. The contributions will directly impact fleet operators by streamlining data workflows, improving system scalability, and enabling smarter decision-making for sustainable transportation. 

This is a part-time (25 hours per week) 6 month internship.

What You'll Do:

• Develop, integrate, and optimize APIs to enhance system functionality and efficiency. 

• Write and maintain documentation for APIs, deployment processes, and integrations. 

• Write clean, scalable Python code, following best practices in object-oriented design. 

• Manage SQL databases (PostgreSQL) for efficient data storage and retrieval. 

• Optimize API performance and troubleshoot issues to maintain reliability. 

• Automate data workflows using Python-based tools (Pandas, NumPy). 

• Implement CI/CD pipelines for automated deployment and continuous integration. 

• Utilize Git for version control, ensuring smooth collaboration and workflow management. 

What You'll Bring To The Table:

• Proficiency in programming with Python

• Understanding of databases and data processing concepts

• Strong problem-solving skills with the ability to manage projects

• Effective communicator with cross-functional teams

Desired Qualifications:

• Strong Analytical and Problem-Solving Skills 

• Experience with backend system design 

• Proficiency in debugging and troubleshooting complex backend issues 

• AWS experience

$16 - $21 an hour

CALSTART values transparency and strives to provide as much information regarding compensation as possible. The complete salary range for this role is $16-$21/hr.  Pay is determined based on several factors, including but not limited to job-related skills, qualifications, experience, education, internal equity, and other factors relevant to the job.

We understand that not everyone will match the above qualifications 100%. If your background isn't perfectly aligned but you feel you would be a great addition to the team, we'd love to hear from you.

We're a tight-knit team of world-class innovators, business minds, and change agents who believe passionately in our mission and put our team ahead of self. We are committed to the continued development and growth of our employees and invest in your success!

We care about your personal well being as much as your professional success and offer generous benefits to full time employees including: 100% company paid comprehensive health benefits for Medical, Dental, Vision, Short Term Disability, Long Term Disability and Life Insurance, Retirement plan with generous company contributions, FSA for Health and Dependent Care, 3 weeks of vacation time in the first year of employment, 11 paid company holidays, paid sick time, paid family leave, and more!

Our inclusive environment focuses on making decisions based on merit without regard to race, color, hair texture, gender, religion, age, nationality, social or ethnic origin, sexual orientation, gender identity, gender expression, LGBTQIA+ status, marital status, pregnancy, disability, genetics, veteran status, or any other characteristic protected by law.

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