Full Stack Engineer Co-op

Job Title : Full Stack Engineer Co-Op

Location : Onsite - Boston, MA

Employment Type : Temporary

Compensation : $33 / hr

Start Date : January 12, 2026

About the Role

The Flexcar Co-Op Program is a 5 month paid temporary employment program

Flexcar is looking for a Full Stack Engineer Co-op to help develop next generation applications across our entire technology stack for both internal and external facing requirements. You will be at the forefront of our growth and can be expected to highly contribute in the direction, development and release of our web and mobile applications using Ruby on Rails, React, and React Native. Currently operating in 4 markets with aggressive expansion plans for the coming year, this is a great opportunity to come in and help build a product from the ground up during a pivotal growth phase!

Flexcar has a strong history of successful co-op partnerships. Our co-op program offers hands-on experience, where participants take ownership of end-to-end features that directly enhance the customer experience. They consistently contribute code to our production systems, drive project delivery, and seamlessly integrate into our engineering teams as valued team members. We prioritize individual growth through personalized mentorship, fostering leadership development, and expanding your software development expertise.

What you’ll do :

• Design and build advanced applications using Ruby on Rails for backend services and APIs.
• Develop responsive web applications using React for our customer-facing and internal platforms.
• Create and maintain mobile applications in React Native for iOS and Android platforms.
• Collaborate with cross-functional teams to define, design, and ship new features across the full stack.
• Work on bug fixes and improve application performance across web and mobile platforms.
• Ship code to production multiple times a day using our robust CI / CD pipeline.

What you’ll do :

What You’ll love about working at Flexcar :

What drives success for this role :

Who are we?

Flexcar is completely reimagining car ownership. We offer the world’s first month-to-month car lease, with insurance and maintenance included. Members can swap cars anytime as their needs change, without the commitment or hassle of traditional car ownership. By combining operational expertise with technology, data, and AI, we’re transforming every aspect of the customer journey and delivering a more affordable, flexible, and hassle-free alternative to buying or leasing.

Disclaimer :  This job description may not be inclusive of all assigned duties, responsibilities, or aspects of the job described, and may be amended at any time at the sole discretion of the Employer.

Flexcar is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind. Flexcar provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.

Flexcar is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind. Flexcar provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.