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Intern Java Back End Developer Jobs in Toronto, ON

United Airlines

Java Backend Developer

Toronto, ON

The Opportunity: We're looking for an experienced Java Backend Developer to join our dynamic team. You'll play a crucial role in delivering innovative integration solutions for our Commercial Banking ...

United Airlines

Java Back end Developer

Toronto, ON · On-site

Architect and build scalable backend services and modern frontend applications. * Champion AI/LLM ... Lead code reviews, establish engineering standards, and mentor junior engineers. * Participate in ...

Localcoin

Senior Java Developer

Etobicoke, ON · Hybrid

CA$120K - CA$140K/yr

As a Senior Java Back-End Developer at Localcoin, you will be responsible for developing and maintaining functional and stable back end applications for our company, ensuring system consistency and ...

Sapsol Technologies Inc

Java Backend

Mississauga, ON · On-site

Qualifications: 1. Java Expertise: Has at least 9+ years of hands-on Java development experience ... This level of database knowledge is crucial for data-heavy applications and backend services. 4. ...

PPT

Senior Back-End Developer

Toronto, ON · Remote

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 ...

ShyftLabs

Senior Backend Developer

Toronto, ON · 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 ...

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Intern Java Back End Developer information

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 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 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 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:

Intern Java Back End Developer jobs near you
Infographic showing various Intern Java Back End Developer job openings in Toronto, ON as of July 2026, with employment types broken down into 100% Full Time. Highlights an 50% In-person, and 50% Remote job distribution.

Java Backend Developer 1015

Toronto, ON • Remote

Veracity Ventures Inc.
See more jobs at Veracity Ventures Inc.external

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

Java Backend Developer – Banking Domain only
Location: Canada – Fully Remote
Experience: 3–9 Years
Employment Type: Full-Time
Position Overview
We are seeking an experienced Java Backend Developer with strong Banking/Financial Services domain experience to develop and maintain secure, scalable enterprise applications.
Key Responsibilities
  • Design, develop, and maintain Java backend applications and microservices.
  • Build scalable RESTful APIs using Java and Spring Boot.
  • Develop and optimize backend services supporting banking and financial applications.
  • Work with SQL databases, Hibernate/JPA, and data-intensive applications.
  • Participate in code reviews, unit testing, debugging, and performance optimization.
  • Collaborate with business, QA, DevOps, and engineering teams in an Agile environment.
Required Skills
  • 3–9 years of professional Java development experience.
  • Strong hands-on experience with Java 8/11/17+, Spring Boot, and Microservices.
  • Strong knowledge of REST APIs, SQL, Hibernate/JPA, Git, and Maven/Gradle.
  • Experience with JUnit and automated testing.
  • Mandatory: Banking or Financial Services domain experience.
  • Strong understanding of secure and scalable enterprise application development.
Eligibility
  • Candidates must have Canadian Banking/Financial Services experience.
  • Canadian Permanent Residents (PR) and valid Open Work Permit (OWP) holders only.
  • Canadian Citizens are not eligible for this position.
  • Employer sponsorship is not available.

This is a remote position.