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Java Jobs in Ontario (NOW HIRING)

Veracity Ventures Inc.

Java Developer 1016

Toronto, ON · On-site

Java Developer - 5+ Years Location: Canada Experience: 5+ Years Job Type: Full-Time /C2C Work Model: Remote / Hybrid / On-site Job Summary We are looking for an experienced Java Developer with 5+ ...

StackandCo

\n \n \n \n \n We have an exciting contract position available for a Full Stack Java Developer in Waterford. It will an initial 6 months with the strong possibility of extending after that. \n \n \n ...

StackandCo

\n \n \n \n \n We are looking for an experienced Java Developer for a contract position. This will be an initial 6 month contract with the possibility of extending after that (remote interviewing and ...

StackandCo

\n \n \n \n \n We are looking for an experienced Java Developer for a contract position in Dublin. You will be joining a well established team of experienced developers, giving you the perfect ...

StackandCo

\n \n \n \n \n Junior Java Developer 35K p\/a + benefits Java, AWS, Javascript \n \n \n \n \n \n We're looking for Junior Java Developers to join a globally renowned Fintech at their trendy Dublin ...

Sapsol Technologies Inc

Java Backend

Mississauga, ON

Qualifications: 1. Java Expertise: Has at least 9+ years of hands-on Java development experience, specifically in J2EE (Java 2 Platform, Enterprise Edition). This extensive experience implies that ...

StackandCo

We have a requirement for permanent Java Engineers to join their expanding development teams in Dublin. \n \n \n The successful candidate will have around 3 years of development experience with Java ...

StackandCo

We have a requirement for permanent Java Software Engineer to join their growing Development team in Dublin. \n \n \n \n \n \n By being apart of this growing team you will write clean and efficient ...

StackandCo

\n \n \n \n \n We are looking for a Java Developer to work in a newly formed team in Dublin, building functionality on two new products. \n \n \n \n \n \n The company have set plans to expand further ...

StackandCo

\n \n \n \n \n Java\/Fullstack Engineer required for a startup in Waterford who are expanding the dev team and hoping to almost double their headcount this year. \n \n \n * You'll get the chance to ...

Citi

Java Backend Engineer

Mississauga, ON · On-site

CA$94K - CA$141K/yr

About the Role The Java Backend Engineer is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in ...

Citi

Java Backend Engineer

Mississauga, ON · On-site

CA$94K - CA$141K/yr

About the Role The Java Backend Engineer is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in ...

Highbrow LLC

Lead Java Developer Job Location: Toronto, ON (2 days/week onsite) # Positions: 1 Employment Type: W2 Duration:Long Term Work Eligibility:All Work Authorizations are Permitted - No Visa Transfers Key ...

StackandCo

\n \n \n \n \n Cloud Developer (Java) Contract \- 450\-475 Per Day \- 6 month Contract with Long term potential Duration: 6 Months Rolling Day Rate Contract ( extensions highly likely) \n \n \n \n \n ...

Citi

Senior Java Developer

Mississauga, ON

CA$94K - CA$141K/yr

The ideal candidate will possess deep expertise in Java/J2EE and Spring Boot. This role demands a proven track record with strong technical problem-solving and root cause analysis abilities ...

Atyeti Inc

Sr Java developer

Toronto, ON · On-site

A Java Developer designs, develops, tests, and maintains scalable Java-based applications (web, enterprise, mobile) by writing clean code, collaborating with teams, and integrating with databases and ...

Virtusa

Senior Java Developer

Mississauga, ON · On-site

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 ...

Targeted Talent

Senior Java Developer

Toronto, ON · On-site +1

Are you a Senior Java Developer who loves working with cutting-edge technologies and solving complex problems? If so, we have an exciting opportunity for you! We are looking for a Senior Java ...

Targeted Talent

Senior Java Developer

Toronto, ON · On-site +1

Are you a Senior Java Developer who loves working with cutting-edge technologies and solving complex problems? If so, we have an exciting opportunity for you! We are looking for a Senior Java ...

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Java information

What is Java?

Java is a class-based object-oriented programming language that was developed in 1995 by Sun Microsystems and later bought by Oracle. Java was designed as a general language capable of programming software for commercial use. It is based on several previous languages such as Objective C, C++, and C#. Java can be used on most major operating systems, including Windows, Apple, and Linux distributions. There is also a Java virtual machine, which allows programmers and developers to work on different operating systems within a single platform.

What does a Java developer do?

A Java Developer is a software professional who specializes in designing, developing, and maintaining applications using the Java programming language. They often work on web, mobile, or enterprise applications, collaborating with other programmers, designers, and stakeholders to deliver functional software solutions. Their responsibilities include writing clean and efficient code, debugging issues, and ensuring applications are secure and scalable. Java Developers are also involved in testing, deploying, and updating software as technology and requirements evolve.

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

To thrive as a Java Developer, you need strong proficiency in Java programming, object-oriented design, and a solid understanding of software development principles, typically supported by a degree in computer science or a related field. Familiarity with development frameworks like Spring or Hibernate, version control systems such as Git, and relevant certifications (e.g., Oracle Certified Java Programmer) is highly beneficial. Analytical thinking, problem-solving, and effective communication are important soft skills that distinguish top candidates in collaborative environments. These skills and qualifications are vital for building robust, efficient applications and contributing effectively to development teams.

How does a Java developer typically collaborate with other teams during a software project?

Java developers frequently work alongside front-end developers, QA specialists, and project managers to ensure smooth delivery of software projects. They participate in code reviews, daily stand-ups, and sprint planning meetings, sharing progress and addressing technical challenges collaboratively. Effective communication and coordination with other departments, such as DevOps for deployment or UX/UI teams for interface integration, are essential for delivering high-quality applications. This collaborative environment helps Java developers expand their technical knowledge and build strong professional relationships.

What is the difference between Java vs Python Developer?

AspectJava DeveloperPython Developer
Required CredentialsBachelor's in Computer Science, Java certificationsBachelor's in Computer Science, Python certifications
Work EnvironmentEnterprise applications, Android developmentWeb development, data science, automation
Industry UsageFinance, telecom, enterprise softwareTech startups, data analysis, AI projects
Common Search/ComparisonJava DeveloperPython Developer

Java and Python developers often share similar educational backgrounds and certifications. Java developers typically work on enterprise applications and Android development, while Python developers focus on web development, data science, and automation. Both roles are highly sought after in different industry sectors, with Java more common in large enterprises and Python popular in startups and AI projects.

Is Java still in demand?

Java remains a highly in-demand programming language for software development, enterprise applications, and Android app creation. Its widespread use in large organizations and the availability of Java certifications contribute to ongoing job opportunities for Java developers.

What jobs can I get if I learn Java?

Java developers are in demand for roles such as software engineer, backend developer, Android app developer, and full-stack developer. These positions typically require knowledge of Java programming, object-oriented design, and related tools like Spring or Hibernate, often with certifications or experience in software development environments.

What jobs can I get with Java?

Java is a versatile programming language used in various roles such as Java developer, software engineer, backend developer, Android app developer, and systems analyst. These jobs typically require knowledge of Java frameworks, object-oriented programming, and development tools like IDEs and version control systems.
More about Java jobs

What are the most commonly searched types of Java jobs in Ontario?

The most popular types of Java jobs in Ontario are:

What are popular job titles related to Java jobs in Ontario?

For Java jobs in Ontario, the most frequently searched job titles are:

What job categories do people searching Java jobs in Ontario look for?

The top searched job categories for Java jobs in Ontario are:

What cities in Ontario are hiring for Java jobs?

Cities in Ontario with the most Java job openings:

Java jobs near you
Infographic showing various Java job openings in Ontario as of August 2026, with employment types broken down into 83% Full Time, 7% Part Time, and 10% Contract. Highlights an 81% Physical, 6% Hybrid, and 13% Remote job distribution.

Java Developer 1016

Veracity Ventures Inc.

Toronto, ON • On-site

Full-time

Posted 12 days ago

Job description

Java Developer – 5+ YearsLocation: Canada
Experience: 5+ Years
Job Type: Full-Time /C2C
Work Model: Remote / Hybrid / On-site
Job Summary

We are looking for an experienced Java Developer with 5+ years of hands-on experience in designing, developing, and maintaining scalable enterprise applications. The ideal candidate should have strong expertise in Core Java, Spring Boot, Microservices, REST APIs, SQL, and cloud technologies.
Current Canadian Java roles commonly emphasize Java/Spring Boot, microservices, REST APIs, SQL/NoSQL, Git/CI/CD, Agile, and cloud/container technologies.
Key Responsibilities
  • Design, develop, test, and maintain Java-based applications.
  • Develop scalable RESTful APIs and microservices using Spring Boot.
  • Work with business and technical teams to understand requirements and deliver solutions.
  • Write clean, maintainable, and efficient code.
  • Design and optimize database queries and data access layers.
  • Perform unit testing, integration testing, debugging, and troubleshooting.
  • Participate in code reviews and technical discussions.
  • Develop and maintain CI/CD pipelines.
  • Support application deployment and production issues.
  • Follow Agile/Scrum development methodologies.
  • Collaborate with QA, DevOps, Product, and other development teams.
Required Skills
  • 5+ years of professional Java development experience

  • Strong knowledge of Core Java / Java 8+

  • Strong experience with Spring Framework and Spring Boot

  • Hands-on experience with Microservices Architecture

  • Strong knowledge of REST APIs

  • Experience with Spring MVC, Spring Data JPA, Hibernate

  • Good knowledge of SQL databases such as MySQL, PostgreSQL, or Oracle
  • Experience with Git

  • Experience with CI/CD tools such as Jenkins, GitLab, Azure DevOps, or similar
  • Good understanding of Object-Oriented Programming and Design Patterns

  • Experience working in Agile/Scrum environments

  • Strong problem-solving and debugging skills
Preferred Skills
  • AWS, Azure, or Google Cloud
  • Docker and Kubernetes
  • Kafka or other messaging technologies
  • NoSQL databases such as MongoDB
  • Spring Security, OAuth2, and JWT
  • JUnit / Mockito
  • Swagger / OpenAPI
  • Experience with production support and monitoring
  • Knowledge of cloud-native application development
Education
  • Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field is preferred.
  • Equivalent professional experience may also be considered.
Candidate Requirements
  • Must have 5+ years of relevant Java development experience.
  • Must be currently eligible to work in Canada.
  • Strong communication and interpersonal skills.
  • Ability to work independently as well as in a team environment.
  • Willingness to work in remote or hybrid environments, depending on the client requirement.
Keywords: Java Developer, Core Java, Java 8/11/17, Spring Boot, Spring, Microservices, REST API, Hibernate, JPA, SQL, MongoDB, AWS, Azure, Docker, Kubernetes, Kafka, Git, Jenkins, CI/CD, Agile, JUnit.