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Intern Java Back End Developer Jobs in Toronto, ON

Job Overview We are seeking a Back-End Developer with deep expertise in Oracle PL/SQL and experience in Java-based REST API development . This role will focus primarily on database development with ...

The Senior Back-End Developer is responsible for designing, building, and maintaining high-performance server-side systems that power a large-scale video platform serving millions of users. This role ...

PL/SQL & API Developer

Toronto, ON ยท On-site

CA$70K - CA$115K/yr

Job Overview We are seeking a Back-End Developer with deep expertise in Oracle PL/SQL and experience in Java-based REST API development . This role will focus primarily on database development with ...

The Sr. Consultant, Back End Developer provides technical leadership to develop precise steps and ... Java, Spring Boot, RDBMS/SQL, Micro-servicesarchitecture, J2EE, SOAP Services, REST APIs, gRPC ...

The Sr. Consultant, Back End Developer provides technical leadership to develop precise steps and ... Java, Spring Boot, RDBMS/SQL, Micro-servicesarchitecture, J2EE, SOAP Services, REST APIs, gRPC ...

The Sr. Consultant, Back End Developer provides technical leadership to develop precise steps and ... Microservices architecture, Java/J2EE, SOAP, REST and gRPC Services, Quarkus, Spring Boot, JSON ...

The Sr. Consultant, Back End Developer provides technical leadership to develop precise steps and ... Microservices architecture, Java/J2EE, SOAP, REST and gRPC Services, Quarkus, Spring Boot, JSON ...

Senior Backend Developer

Toronto, ON ยท Hybrid

CA$100K - CA$140K/yr

The ideal candidate combines strong backend and frontend engineering skills with experience in distributed systems, integrations, and scalable architectures . JavaScript, TypeScript, Node.js, and ...

... and Back end like Angular Node Js Core Java Spring Spring boot REST API etc Should have 6 to 8 ... DevOps tools like Jenkins Should have working experience or sound knowledge in PCF OCP Should have ...

Senior Back-End Developer (Toronto)

Toronto, ON ยท On-site

CA$150K - CA$180K/yr

About the Role You will be responsible for developing and maintaining our Backend services. You will code with other developers in expanding our product offering using Node and GraphQL, deployed on ...

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Intern Java Back End Developer information

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

To thrive as an Intern Java Back End Developer, you need a solid understanding of Java, object-oriented programming, and database fundamentals, often backed by coursework in computer science or related fields. Familiarity with development tools such as Git, IDEs like IntelliJ or Eclipse, and frameworks like Spring Boot is commonly expected. Strong problem-solving abilities, eagerness to learn, and effective communication skills help you collaborate with team members and adapt quickly. These skills and qualities are crucial for building reliable server-side applications and integrating effectively into a professional development environment.

What types of projects and responsibilities can an Intern Java Back End Developer expect during their internship?

As an Intern Java Back End Developer, you can typically expect to work on tasks such as writing and testing server-side code, assisting with database integration, and supporting the development of RESTful APIs. You'll likely collaborate closely with senior developers and other interns during code reviews, debugging sessions, and team meetings. Interns may also be assigned to real-world projects where they can contribute to feature enhancements or bug fixes under supervision, providing valuable hands-on experience in a collaborative, agile environment.

What does an Intern Java Back End Developer do?

An Intern Java Back End Developer assists in designing, developing, and maintaining the server-side logic of web applications using the Java programming language. They typically work under the guidance of senior developers to write clean, efficient code, troubleshoot bugs, and learn about frameworks like Spring Boot or Hibernate. Interns may also participate in code reviews, testing, and collaborating with front-end developers to integrate user-facing elements with server-side logic. This role helps interns gain hands-on experience in building scalable and secure back-end systems.

What is the difference between Intern Java Back End Developer vs Intern Front End Developer?

AspectIntern Java Back End DeveloperIntern Front End Developer
Required SkillsJava, Spring, SQL, REST APIsHTML, CSS, JavaScript, React or Angular
Work EnvironmentServer-side development, database integrationClient-side interface, UI/UX design
Common Industry UsageBackend systems, enterprise applicationsWebsites, mobile app interfaces

Intern Java Back End Developers focus on server-side logic, database management, and API development, while Intern Front End Developers work on the visual and interactive aspects of websites and applications. Both roles often require programming skills and are used in web development environments, but they specialize in different parts of the software stack.

What are the most commonly searched types of Java Back End Developer jobs in Toronto, ON? The most popular types of Java Back End Developer jobs in Toronto, ON are:
Infographic showing various Intern Java Back End Developer job openings in Toronto, ON as of May 2026, with employment types broken down into 91% Full Time, and 9% Contract. Highlights an 27% In-person, 46% Hybrid, and 27% Remote job distribution.

Sr .NET Back End Developer

Pacific Programming and Tech Inc

Toronto, ON โ€ข Hybrid

Full-time

Medical, PTO

Posted 2 days ago


Job description

We are looking for a highly skilled Senior .NET Backend Developer to join our backend team. In this role, you will be responsible for designing, developing, and maintaining robust and scalable backend systems using .NET technologies. The ideal candidate has a deep understanding of software architecture, clean coding practices, and experience building high-performance APIs and event-driven services.


Key Responsibilities

  • Design, develop, and maintain backend services using .NET and C#
  • Apply Clean Architecture principles to ensure maintainable and scalable codebases
  • Implement and consume RESTful APIs
  • Work with Entity Framework (EF) for data persistence and complex data modeling
  • Design and build event-driven systems using messaging technologies like RabbitMQ
  • Apply strong software architecture principles to guide system design and service interactions
  • Write unit tests and contribute to overall test automation practices
  • Integrate and manage distributed caching mechanisms (e.g., Redis, NCache) to improve performance
  • Develop efficient SQL queries and work closely with SQL Server
  • Collaborate with cross-functional teams, including frontend, DevOps, and QA
  • Participate in code reviews, architecture discussions, and mentoring junior developers


Required Skills and Qualifications

  • 5+ years of experience in backend development using .NET / .NET Core
  • Strong experience with Entity Framework (EF)
  • Solid understanding of event-driven architecture and experience with RabbitMQ (or similar)
  • Hands-on experience applying Clean Architecture and SOLID principles
  • Strong grasp of general software architecture concepts (e.g., layered architecture, DDD)
  • Proficiency in unit testing frameworks (e.g., xUnit, NUnit, Moq)
  • Familiarity with distributed caching systems such as Redis or NCache
  • Experience building and consuming RESTful APIs
  • Strong skills in SQL Server development and optimization
  • Experience working with version control systems like Git


Nice to Have / Preferred

  • Experience with Elasticsearch and integrating it into .NET applications
  • Experience with microservices architecture
  • Familiarity with CI/CD pipelines and DevOps practices
  • Knowledge of containerization tools like Docker
  • Experience with cloud platforms (e.g., Azure)


What We Offer

  • Competitive salary based on your level of experience.
  • A benefits package that includes an extensive health insurance package, as well annual vacation, sick and personal days.
  • A remote-hybrid work environment and flexible work arrangements to promote work-life balance.
  • A collaborative and supportive work culture.
  • Opportunities for professional growth and development.
  • Offices located in the heart of Montreal and Vancouver, with direct access to public transit.