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Java Developer Co Op Jobs in Ontario (NOW HIRING)

Ericsson

Test and Automated Test Co-op

Ottawa, ON · On-site

CA$25.50/hr

... an asset Programming languages (assets): Python, Java, JavaScript, TypeScript, Perl, Java ... co-op Be available to work 40 hours per week Why join Ericsson At Ericsson, youll have an ...

Manulife

Winter Co-op 2027 - AI (12 Months)

Toronto, ON · Hybrid

CA$54K - CA$72K/yr

As an AI Co-op, you'll gain hands-on experience applying data science and machine learning ... Experience with at least one programming language (e.g., Python, R, Java) and familiarity with data ...

Ericsson

Test and Automated Test Co-op

Ottawa, ON

CA$25.50/hr

... an asset Programming languages (assets): Python, Java, JavaScript, TypeScript, Perl, Java ... co-op Be available to work 40 hours per week Why join Ericsson At Ericsson, youll have an ...

Magna

Industrial Engineering Co-op, Material Flow

Milton, ON · On-site

CA$28.09 - CA$33.05/hr

The Industrial Engineering Co-op supports the Materials Planning & Logistics team with technical analysis, material flow improvement, inventory optimization, replenishment planning, standard work ...

exp

Geotechnical Engineering Student (Co-op)

Brampton, ON · On-site

CA$21 - CA$23/hr

Geotechnical Engineering Student (Co-op) Brampton, ON At EXP, we're driven to provide innovative solutions for the world's built and natural environments. As a team of engineers, architects ...

StackandCo

... Co. Tipperary \n \n \n \n \n \n \n Role Overview \n \n \n \n \n \n \n Senior application developers ... Excellent knowledge in JEE\/Spring, JAVA 8, Shell\-Scripting.\n \n * Extensive knowledge on modern ...

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Java Developer Co Op information

What is a Java Developer Co Op?

A Java Developer Co-Op job is a temporary, paid position for students or recent graduates who want hands-on experience in Java development. Co-op students work with a team of developers to design, test, and maintain Java-based applications. They gain practical knowledge in coding, debugging, and software development best practices while contributing to real-world projects. This role helps bridge the gap between academic learning and professional work, preparing candidates for full-time software development roles.

What types of projects or tasks will I typically work on as a Java Developer Co Op?

As a Java Developer Co Op, you can expect to support ongoing software development projects by writing and testing code, fixing bugs, and assisting in the design or implementation of new features. You may work on both backend and frontend components, collaborate with senior developers during code reviews, and contribute to team meetings or agile sprints. Your work might include developing internal tools, creating automation scripts, or participating in the documentation process. This hands-on experience is designed to give you exposure to industry best practices and the full software development lifecycle while building your professional skills.

What are the key skills and qualifications needed to thrive in the Java Developer Co Op position, and why are they important?

To thrive as a Java Developer Co Op, you need a solid understanding of Java programming, object-oriented design principles, and foundational knowledge in software development, often supported by coursework or relevant project experience. Familiarity with version control systems like Git, IDEs such as IntelliJ or Eclipse, and basic knowledge of databases or web development frameworks are common requirements. Effective communication, eagerness to learn, and strong problem-solving skills help you adapt quickly and work well within a team environment. These competencies ensure you can contribute to real-world projects, collaborate with experienced developers, and gain valuable hands-on experience during your co-op term.

Is Java Developer Co Op still in demand?

Java Developer Co Op roles remain in demand due to the continued use of Java in enterprise applications, Android development, and backend systems. Employers seek candidates with strong programming skills, familiarity with frameworks like Spring, and experience with version control tools. The demand is influenced by ongoing technology updates and the need for scalable, secure software solutions.

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

The most popular types of Java Developer jobs in Ontario are:

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

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

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

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

What cities in Ontario are hiring for Java Developer Co Op jobs?

Cities in Ontario with the most Java Developer Co Op job openings:

Java Developer Co Op jobs near you
Infographic showing various Java Developer Co Op job openings in Ontario as of September 2026, with employment types broken down into 1% As Needed, 80% Full Time, 17% Part Time, and 2% Contract. Highlights an 90% Physical, 2% Hybrid, and 8% Remote job distribution.

Winter Co-op 2027 - Software Engineering

Waterloo, ON • Hybrid

Manulife
See more jobs at Manulifeexternal

CA$52K - CA$70K/yr

Full-time

Posted 9 days ago

Key responsibilities

  • Contribute to building scalable, reliable applications as part of a team of engineers

  • Support application development, testing, debugging, and system enhancements

  • Collaborate with engineering and business teams to build user-focused solutions

Job description

At Manulife John Hancock, we believe in investing in the future - starting with you. Our co-op program is your launchpad to success, offering the support, structure, and exciting opportunities you need to thrive and make your mark.

Asa Software EngineeringCo-op,you'll gain hands-on experience developing applications and systems that support business and customer solutions. You'll work with modern development tools and frameworks to build scalable, high-quality software while contributing to the full software development lifecycle. We offer multiple roles within this program, providing support from our diverse, passionate, and talented technology teams.You'llreceive guidance from skilled technical leaders who value your teamwork and coordination abilities, and gain exposure to industry-leading, enterprise technologies.

We are currently looking for highly motivated students to join us in our Waterloo, Ontario, Canada office for a 4-month co-op, running from January 5th - April 22nd, 2027. This is a hybrid position, where you are expected to be in the office Tuesday-Thursday, with the opportunity to work remotely on Mondays and Fridays.

Position Responsibilities:

  • Contribute to a team of engineers focused on building scalable, reliable applications

  • Support application development, testing, and debugging efforts

  • Assist in feature development and system enhancements

  • Collaborate with engineering and business teams to build user-focused solutions

  • Participate in code reviews and maintain code quality standards

  • Support deployment, monitoring, and ongoing application maintenance

Required Qualifications:

  • Currently pursuing an undergraduate degree in Computer Science, Engineering, or a related field

  • Experience with at least one programming language (e.g., Java, Python, Go, JavaScript)

  • Familiarity with version control systems (e.g., Git, Bitbucket)

  • Strong communication skills and willingness to learn in a collaborative environment

Preferred Qualifications:

  • Exposure to software frameworks, libraries, or development tools

  • Understanding of software development lifecycle and best practices

  • Familiarity with APIs, web services, or application architecture

When you join our team:

  • We'llempower you to learn and grow the career you want.

  • We'llrecognize and support you in a flexible environment where well-being and inclusion are more than just words.

  • As part of our global team,we'llsupport you in shaping the future you want to see.

  • As part of our co-op program, you will gainearly accessto Manulife John Hancock's premier early talent program, GRO, tailored to graduating students! This program is designed to launch your career with the support, structure, and opportunities you need to thrive.

Application instructions:

  • Submit your resume, cover letter, academic transcript, and work term evaluation (if any) in one PDF file.

  • Note: Applications are reviewed on a rolling basis.

Please note the salary range is expected to be between $52,650 CAD to $70,200 CAD.

The actual salary will vary depending on local market conditions, geography and relevant job-related factors such as knowledge, skills, qualifications, experience, and education/training. The annual salary will be pro-rated based on the length of the work-term

#LI-Hybrid

This posting supports an ongoing hiring initiative for existing and/or future vacancies.

We use data and analytics technologies, such as artificial intelligence (AI), and automated processing tools, to analyze and process the information you provide to us or third parties in the application process. For more information, please refer to our personal information collection statement.

About Manulife and John Hancock
Manulife Financial Corporation is a leading international financial services provider, helping people make their decisions easier and lives better. To learn more about us, visit https://www.manulife.com/en/about/our-story.html.
Manulife is an Equal Opportunity Employer
At Manulife/John Hancock, we embrace our diversity. We strive to attract, develop and retain a workforce that is as diverse as the customers we serve and to foster an inclusive work environment that embraces the strength of cultures and individuals. We are committed to fair recruitment, retention, advancement and compensation, and we administer all of our practices and programs without discrimination on the basis of race, ancestry, place of origin, colour, ethnic origin, citizenship, religion or religious beliefs, creed, sex (including pregnancy and pregnancy-related conditions), sexual orientation, genetic characteristics, veteran status, gender identity, gender expression, age, marital status, family status, disability, or any other ground protected by applicable law.
It is our priority to remove barriers to provide equal access to employment. A Human Resources representative will work with applicants who request a reasonable accommodation during the application process. All information shared during the accommodation request process will be stored and used in a manner that is consistent with applicable laws and Manulife/John Hancock policies. To request a reasonable accommodation in the application process, contact hr@manulife.com.

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