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Internship Java Back End Developer Jobs in Montreal, QC

TEHORA

Développeur Fullstack

Terrebonne, QC · Remote

Maîtrise backend (.NET, Java ou Node.js); * Expérience avec API REST; * Connaissance bases de données; * Expérience DevOps (atout); * Maîtrise du français écrit et oral. Benefits * Du ...

TEHORA

Developpeur Fullstack

Terrebonne, QC · On-site

Maitrise backend (.NET, Java ou Node.js); * Experience avec API REST; * Connaissance bases de donnees; * Experience DevOps (atout); * Maitrise du francais ecrit et oral. Benefits * Du teletravail et ...

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Internship Java Back End Developer information

What does an Internship Java Back End Developer do?

An Internship Java Back End Developer assists in building and maintaining the server-side logic, databases, and application integration for web or software projects using Java technologies. They typically work with frameworks like Spring or Hibernate, write and test code, and collaborate with front-end developers to ensure seamless functionality. Interns gain hands-on experience by participating in real-world projects, debugging issues, and learning industry best practices under the guidance of senior developers.

What types of projects and tasks can an Internship Java Back End Developer expect to work on during their internship?

As an Internship Java Back End Developer, you will typically assist with developing and maintaining server-side logic, building APIs, and supporting the integration of front-end elements. You'll likely work on tasks such as writing and debugging Java code, optimizing database queries, participating in code reviews, and collaborating closely with senior developers and other team members. Interns are often assigned to real-world projects that help them build practical skills, and they may attend agile meetings to understand how software development teams operate. This hands-on experience provides a strong foundation for future career advancement in back-end development.

What are the key skills and qualifications needed to thrive as an Internship Java Back End Developer, and why are they important?

To thrive as an Internship Java Back End Developer, you need a foundational understanding of Java programming, object-oriented design, and familiarity with databases, typically gained through coursework or personal projects. Experience with tools like Spring Boot, Git, and relational database management systems such as MySQL or PostgreSQL is commonly required. Problem-solving skills, teamwork, and effective communication are important soft skills in this role. These abilities enable interns to contribute to project development, collaborate with teams, and efficiently learn best practices in a professional setting.
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Internship Java Back End Developer jobs near you
Infographic showing various Internship Java Back End Developer job openings in Montreal, QC as of July 2026, with employment types broken down into 1% As Needed, 74% Full Time, 23% Part Time, and 2% Contract. Highlights an 86% Physical, 8% Hybrid, and 6% Remote job distribution.
QA Automation Engineer Co-op

QA Automation Engineer Co-op

Flexspring, Inc

Montreal, QC • Remote

Other

Re-posted 8 days ago

Job description

Your Role


You'll write automation code that protects real customers. Not clicking through manual test scripts. Not busywork. Real engineering work. You'll own test suites that validate our entire platform. You'll think about what could break, design tests to catch it, and catch real bugs before they reach production. You'll work with experienced engineers who'll teach you how quality actually works at scale.


What You'll Actually Do


  • Write test code that matters: Build automated test suites in Java that validate our core platform - real tests that catch real bugs
  • Test like systems matter: Design tests around real failure scenarios - what happens when an API times out? When data gets corrupted? When systems go out of sync?
  • Work with real integrations: Validate how data flows between systems, ensure APIs work correctly, test the systems we build for real companies
  • Collaborate on quality: Work with developers to understand what's being built, suggest ways to make code more testable, participate in how we approach quality
  • Learn from engineers who care: Senior engineers will teach you how to think about quality, how to write test code that lasts, and why testing shapes better product design


What You'll Get


  • Real QA experience: Your tests protect a platform used by hundreds of companies. When you graduate, you'll have legitimate automation engineering experience.
  • Mentorship that actually helps: Senior engineers who'll invest time teaching you - not just code, but how to think about quality and systems
  • Competitive co-op pay: We pay fairly because we respect your time and contribution
  • Flexible, remote-first environment: Work from Montreal, home, or wherever. We trust you to get the work done.
  • Strong path to full-time: Many of our best full-time engineers started as interns here. If you're great, we want to keep you.


What We're Looking For


  • Currently studying Software Engineering, Computer Science, or a related field
  • Solid foundation in Java - doesn't matter if it's from school projects
  • Exposure to testing frameworks like JUnit, TestNG, or similar - school projects absolutely count
  • Comfortable with REST APIs
  • You naturally think about edge cases - you're the person who asks "but what if it breaks?"


We especially want to hear from you if: You've found a bug that seemed impossible, written a test that caught something real, or felt excited about validating a feature before it shipped. That's the mindset that succeeds here.


Nice to have (but don't let this stop you from applying):


  • Test automation framework experience (Selenium, RestAssured, similar)
  • Spring or backend Java experience
  • JavaScript or scripting skills
  • CI/CD pipeline knowledge
  • API or contract testing experience


About Flexspring


We're a remote-first team across Canada building the iPaaS platform that powers HR data integration. Our customers include mid-market to enterprise companies that depend on us to reliably move employee data. Why this matters for your growth: We actually care about quality. It's not a checkbox - it's part of how we build. Tests are code too, and they need to be written well. Your ideas about how to test better will be heard. We ship carefully because we ship to production. At Flexspring, interns aren't bystanders. You work on real quality infrastructure, get genuine mentorship, and many of our full-time engineers started exactly where you are.

Apply