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Remote Full Stack Developer Co-op

Flexspring

About Flexspring

Flexspring builds technology that helps companies connect their HR systems and move people data smoothly between tools - without manual work.

We’re a remote-first team spread across Canada and beyond, and we care a lot about how we build things and how we work together. At Flexspring, interns and co-op students don’t sit on the sidelines. You’ll work on real product features that are used by real customers, and many of our interns join us full-time after graduation .

Full Stack Software Developer – Co-op / Internship

Location: Quebec-based (Montreal preferred) Duration: 4+ months

The Opportunity

We’re growing and looking for a Full Stack Software Developer Co-op / Intern to join our R&D team .

If you’re excited about building things that actually ship, this role is for you. You’ll work mainly in a Java-based stack , help develop Flexspring’s core platform, and learn how real SaaS products are designed, tested, and improved over time.

This is a hands-on role where you’ll code, learn, ask questions, and contribute—every week.

What You’ll Be Working On


  • Building and improving features in Flexspring’s product

  • Writing backend and full stack code using Java and JavaScript

  • Working with APIs and data flowing between systems

  • Writing and running tests to make sure things work as expected

  • Collaborating with experienced developers through code reviews and team discussions

What We’re Looking For


  • You’re currently studying Software Engineering, Computer Science , or a related field

  • You have a solid foundation in Java and/or JavaScript

  • You’ve been exposed to Spring and JUnit (school projects count!)

  • You’ve worked with or learned about APIs

  • You’re curious, motivated, and enjoy solving problems

Nice to Haves


  • Experience with REST APIs, React, GraphQL, Groovy, JMS, or SOAP

  • Interest in SaaS products or system integrations

  • Curiosity about how large systems talk to each other

What You’ll Get Out of It


  • Real experience working on a production SaaS platform

  • Mentorship and support from senior developers

  • Exposure to real-world engineering practices

  • Competitive co-op pay

  • Flexible hours in a remote-first environment

  • A strong chance to grow into a full-time role after graduation

Vacancy posted 8 days ago
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