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Junior Java Developer Intern Jobs in Toronto, ON

Virtusa

Senior Java Developer

Mississauga, ON

The ideal candidate will have deep expertise in Java and modern backend / frontend technologies, a strong understanding of system design, and the ability to mentor junior engineers while ...

Virtusa

Senior Java Developer

Mississauga, ON · On-site

The ideal candidate will have deep expertise in Java and modern backend / frontend technologies, a strong understanding of system design, and the ability to mentor junior engineers while ...

Virtusa

Senior Java Developer

Mississauga, ON · On-site

The ideal candidate will have deep expertise in Java and modern backend / frontend technologies, a strong understanding of system design, and the ability to mentor junior engineers while ...

Citi

Senior Java Developer

Mississauga, ON · On-site

CA$94K - CA$141K/yr

You will lead a team of junior developers, providing technical guidance, mentorship, and fostering ... Act as a subject matter expert for Java technologies, providing technical direction and problem ...

Citi

Java Developer - Officer

Mississauga, ON

CA$79K - CA$110K/yr

The Java Developer Analyst is an junior level position within the Markets Treasury Technology team, specifically focusing on the Money Markets domain. This role is responsible for participating ...

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 ... Guide and mentor junior developers, fostering a culture of learning, best practices, and technical ...

Citi

Full Stack Java Developer

Mississauga, ON · Hybrid

CA$79K - CA$110K/yr

Coach and support junior analysts, sharing technical knowledge and contributing to team capability ... Java (Java 8) coding skills and proficiency in concurrent programming. Working knowledge of ...

Citi

Senior Java Developer

Mississauga, ON · On-site

CA$94K - CA$141K/yr

The Senior Java Developer is an intermediate level position responsible for participation in the ... or junior analysts Has the ability to operate with a limited level of direct supervision. Can ...

Td

Java Developer, TD Securities

Toronto, ON · On-site

CA$102K - CA$125K/yr

Lead technical discussions and high-performance professionals at various capacity (junior to senior ... Java, Spring boot, DevOps, Kafka * Strong algorithmic problem-solving skills - backed by prior ...

Citi

Low latency Senior Java Developer

Mississauga, ON

CA$120K - CA$170K/yr

Mentor junior developers and analysts. Must Have Key Skills and Experience Required 8+ years relevant experience. Extensive Core Java 17 version & above experience with strong knowledge of data ...

Td

Software Engineer I (Java Backend Developer)

Toronto, ON · On-site

CA$69K - CA$98K/yr

Actively mentor and coach junior developers, share knowledge, and support a culture of growth and ... Strong proficiency in Java, J2EE, Hibernate, Spring, Springboot & Kafka. * Advanced skills ...

New

United Airlines

Java Back end Developer

Toronto, ON

Lead code reviews, establish engineering standards, and mentor junior engineers. * Participate in ... Deep expertise in Java/Kotlin. * Understanding in Python. * Strong frontend skills with React and ...

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Junior Java Developer Intern information

What does a Junior Java Developer Intern do?

A Junior Java Developer Intern assists in the development, testing, and maintenance of Java-based applications under the supervision of senior developers. Their responsibilities typically include writing simple code, debugging software, participating in team meetings, and learning best practices in software development. The intern gains hands-on experience with Java technologies, tools, and frameworks while contributing to real-world projects. This role is designed to help interns build foundational programming skills and understand the software development lifecycle.

What types of projects and tasks can I expect to work on as a Junior Java Developer Intern?

As a Junior Java Developer Intern, you can expect to assist in developing, testing, and debugging Java applications under the guidance of senior team members. Your daily tasks may include writing code, fixing bugs, participating in code reviews, and collaborating with other developers and departments such as QA or DevOps. Interns often get exposure to real-world projects that contribute to the organization's products or services, providing valuable experience with tools like version control systems and agile methodologies. This hands-on involvement is designed to help you build both technical and teamwork skills in a professional setting.

What are the key skills and qualifications needed to thrive as a Junior Java Developer Intern, and why are they important?

To thrive as a Junior Java Developer Intern, you need a solid understanding of Java programming, basic knowledge of object-oriented design, and a relevant degree or coursework in computer science or software engineering. Familiarity with IDEs like Eclipse or IntelliJ IDEA, version control systems such as Git, and introductory experience with build tools like Maven is typical. Strong problem-solving, eagerness to learn, and effective communication skills help interns collaborate and adapt in a team environment. These skills and qualities are important because they enable rapid learning, effective contribution to projects, and smooth integration into development teams.

What is the difference between Junior Java Developer Intern vs Junior Java Developer?

AspectJunior Java Developer InternJunior Java Developer
Required CredentialsBasic understanding of Java, coursework, or related internship experienceProven Java skills, possibly some certifications or coursework completed
Work EnvironmentInternship programs, learning-focused, entry-level projectsFull-time role, more responsibility, involved in ongoing projects
Employer & Industry UsageInternship positions in tech companies, startups, or software firmsEntry-level full-time positions in similar industries
Search & Comparison IntentUnderstanding internship differences, entry-level opportunitiesCareer progression, job responsibilities, skill requirements

The main difference between a Junior Java Developer Intern and a Junior Java Developer lies in experience and responsibilities. Interns are typically students or recent graduates gaining practical experience, while Junior Developers are full-time employees with more responsibilities and ongoing projects. Internships serve as a stepping stone toward a full developer role, which requires more skills and commitment.

What are popular job titles related to Junior Java Developer Intern jobs in Toronto, ON?

For Junior Java Developer Intern jobs in Toronto, ON, the most frequently searched job titles are:

What job categories do people searching Junior Java Developer Intern jobs in Toronto, ON look for?

The top searched job categories for Junior Java Developer Intern jobs in Toronto, ON are:

Junior Java Developer Intern jobs near you
Infographic showing various Junior Java Developer Intern job openings in Toronto, ON as of August 2026, with employment types broken down into 74% Full Time, 12% Part Time, and 14% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution.

Senior Java Developer

Virtusa

Mississauga, ON

Full-time

Re-posted 12 days ago

Job description

We are seeking a highly skilled Senior Java Engineer to design, develop, and maintain scalable, high-performance enterprise applications. The ideal candidate will have deep expertise in Java and modern backend / frontend technologies, a strong understanding of system design, and the ability to mentor junior engineers while collaborating with cross-functional teams. Key Responsibilities Design, develop, test, and maintain high-quality Java applications and services Lead technical design discussions and contribute to architectural decisions Build and optimize RESTful APIs, microservices, and backend systems Ensure application performance, scalability, reliability, and security Write clean, maintainable, and well-documented code following best practices Conduct code reviews and provide constructive feedback to team members Mentor junior engineers and support team knowledge sharing Collaborate with product managers, QA, DevOps, and other stakeholders Troubleshoot complex technical issues in development and production environments Participate in Agile/Scrum ceremonies and contribute to continuous improvement Required Qualifications Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience) 7+ years of professional experience in software development Strong proficiency in Java (Java 17+) Experience with Spring / Spring Boot Solid understanding of object-oriented design, design patterns, and SOLID principles Experience building RESTful APIs and backend services Strong knowledge of SQL and relational databases (e.g., PostgreSQL, Oracle, MySQL) Familiarity with Git and modern CI/CD pipelines Experience working in Agile development environments Excellent problem-solving, communication, and collaboration skills Preferred Qualifications Experience with microservices architecture Exposure to cloud platforms (AWS, Azure, or GCP) Experience with containers and orchestration (Docker, Kubernetes) Knowledge of message queues / streaming platforms (Kafka, RabbitMQ) Familiarity with NoSQL databases (MongoDB, DynamoDB, Cassandra) Understanding of security best practices and authentication (OAuth2, JWT) Experience supporting high-availability or mission-critical systems

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About Virtusa

Sourced by ZipRecruiter

We are builders, makers, and doers with the technical skills and domain expertise to transform your business at scale and speed without disruption. Our unique Engineering First approach blends deep industry expertise and empowered, agile teams, to create holistic solutions that seamlessly move the business forward. We help clients engage with new technology paradigms to creatively build solutions that drive them to the forefront of their industries.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Westborough, MA, US

Year founded

1996

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