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Java Junior Jobs in Toronto, ON (NOW HIRING)

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 ...

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 ...

Localcoin

Java Backend Developer

Etobicoke, ON · Hybrid

CA$100K - CA$135K/yr

As a Java Back-End Developer at Localcoin, you will be responsible for developing and maintaining ... Guide and mentor junior developers, fostering a culture of learning, best practices, and technical ...

Common Wealth Retirement

Junior Back End Engineer

Toronto, ON · Remote

CA$80K - CA$100K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

About the role We are looking for a Junior Back End Engineer to join Common Wealth's engineering ... This role focuses on the back end - building robust, scalable systems with Java/Kotlin, PostgreSQL ...

Scotiabank

Junior Software engineer

Toronto, ON · On-site +1

  • PTO

The Role Scotiabank is looking for a motivated and enthusiastic Junior Full Stack Developer (Level ... Java What You'll Do: * Develop and maintain responsive web applications using ReactJS * Build and ...

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 ...

Finastra

Senior Technical Consultant - JAVA

Mississauga, ON · On-site +1

  • Medical

  • Life

  • Retirement

  • PTO

Effective communication and mentoring junior Technical Consultants. Required Experience: * Relevant ... Strong C/C++/C# /Java skills * Good Unix, Linux or Windows skills * SQL on Oracle, Sybase or MS SQL

Common Wealth Retirement

Junior Front End Engineer

Toronto, ON · Remote

CA$80K - CA$100K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

About the role We are looking for a Junior Front End Engineer to join Common Wealth's engineering ... Java, Kotlin, Spring Boot, JPA/Hibernate, Gradle, Cucumber, JUnit * Infrastructure on AWS: IaC with ...

Purolator

Technology Developer

Mississauga, ON · On-site

Mentor junior and intermediate developers, share knowledge and promote consistent engineering ... Strong Java and Spring Boot development experience, including REST APIs, Maven, JSON and service ...

Scotiabank

Junior Software Engineer

Toronto, ON

  • PTO

Familiarity with at least one programming language such as Java, JavaScript, Python * Basic understanding of relational and NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB). * Familiarity with ...

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Java Junior information

What is a Java Junior?

Java Junior developers are entry-level software engineers who specialize in programming using the Java language. They typically have a foundational understanding of Java syntax, object-oriented programming concepts, and basic software development practices. Java Juniors often assist with coding, debugging, and testing under the supervision of more experienced developers, while continuously learning and building their technical skills. Their responsibilities may also include maintaining existing applications and writing simple features as part of a development team.

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

To thrive as a Java Junior, you need a solid understanding of Java programming, object-oriented principles, and a relevant degree or coursework in computer science. Familiarity with development tools like Eclipse or IntelliJ IDEA, version control systems (such as Git), and basic knowledge of databases are typically expected. Strong problem-solving abilities, eagerness to learn, and good communication skills help juniors excel in collaborative and fast-paced environments. These skills enable efficient coding, effective teamwork, and smooth adaptation to evolving project requirements.

What are some typical challenges a Java Junior might face when starting out, and how can they overcome them?

As a Java Junior, you may encounter challenges like understanding complex codebases, adapting to agile development practices, and debugging unfamiliar issues. It's common to feel overwhelmed at first, but asking questions, participating in code reviews, and pairing with more experienced developers can accelerate your learning. Regularly practicing coding, studying documentation, and using collaboration tools will also help you quickly become a productive member of the team.

What is the difference between Java Junior vs Java Developer?

AspectJava JuniorJava Developer
Required Experience0-2 years2+ years
CertificationsOptional, entry-level certificationsOptional, advanced certifications
Work EnvironmentTraining, mentorship-focusedProject-driven, independent
ResponsibilitiesLearning, basic coding tasksDesign, develop, maintain Java applications

Java Junior roles are entry-level positions focused on learning and supporting Java projects, often requiring minimal experience. Java Developers have more experience, handle complex tasks, and contribute to project design and implementation. The transition from Java Junior to Java Developer involves gaining skills, experience, and certifications over time.

What are the most commonly searched types of Java jobs in Toronto, ON?

The most popular types of Java jobs in Toronto, ON are:

Java Junior jobs near you
Infographic showing various Java Junior job openings in Toronto, ON as of August 2026, with employment types broken down into 87% Full Time, 4% Part Time, and 9% Contract. Highlights an 81% Physical, 8% Hybrid, and 11% Remote job distribution.

Senior Java Developer

Virtusa

Mississauga, ON • On-site

Full-time

Re-posted 22 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

Social media

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