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Internship Java Developer Jobs in Ontario (NOW HIRING)

... month internship starting internship from September to December 2026. Accountabilities ... Experience with programming languages (such asPython,C++/Java, R, VBA). * Excellentwritten and ...

Technical Analyst Intern

Toronto, ON · Hybrid

CA$23 - CA$25/hr

A programming language like Java or Python * Frontend tooling (e.g.HTML, CSS, JavaScript) * A ... An internship opportunity atInteracalso features: * Flexible hybrid work model with monthly intern ...

Intern - Technical

Toronto, ON · Hybrid

CA$25 - CA$40/hr

All interns will have the opportunity to write and test software in a web application framework ... Java, Spring, SpringBoot, RESTapi, Nodejs, SQL, MongoDB, Postgres * Backend testing: Junit ...

... Science, Engineering, or related field or equivalent work experience * Expert in web security ... Familiarity with development technologies like Docker, CDK, Terraform, Java, Python, React, GraphQL ...

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Internship Java Developer information

What Are the Qualifications to Get a Java Developer Internship?

The qualifications to become a Java developer intern include that you are pursuing at least a bachelor’s degree in engineering, computer science, or a similar degree. Experience working with different computer languages is beneficial when you are applying for positions. Having some experience with the following can be helpful: C#, NET, HTML5, Java, VB, SQL, MVC, or data analytics. Strong communication skills can help you to stand out above other applicants. Experience with Java development, Spring Framework, and relational databases can also help you applying for a Java developer internship.

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

AspectInternship Java DeveloperJunior Java Developer
Required CredentialsTypically pursuing or recently completed a degree in Computer Science or related fieldBachelor's degree in Computer Science or related field, with some practical experience
Work EnvironmentTraining-focused, supervised environment, often part-time or temporaryFull-time, ongoing employment with more responsibilities
Employer & Industry UsageInternships offered by tech companies, startups, and IT departments for skill developmentEntry-level position in software development teams across various industries

The main difference between an Internship Java Developer and a Junior Java Developer is experience and responsibility. Internships are designed for students or recent graduates gaining initial exposure, while Junior Java Developers have more hands-on work experience and are expected to contribute more independently to projects.

What are the key skills and qualifications needed to thrive as an Internship Java Developer, and why are they important?

To thrive as an Internship Java Developer, you need a solid understanding of Java programming, object-oriented principles, and basic software development concepts, often supported by coursework or personal projects. Familiarity with version control systems like Git, integrated development environments (IDEs) such as Eclipse or IntelliJ IDEA, and basic knowledge of databases are typically required. Strong problem-solving skills, eagerness to learn, and effective communication help interns adapt and contribute within development teams. These competencies enable you to quickly integrate into projects, support code quality, and grow professionally in a fast-paced environment.

What are Internship Java Developers?

Internship Java Developers are students or recent graduates who work in a company to gain practical experience in Java programming. They assist in developing, testing, and maintaining Java applications under the supervision of experienced developers. This role helps interns apply their academic knowledge to real-world projects, learn industry best practices, and improve their coding and teamwork skills. Internships often serve as a valuable stepping stone to full-time software development positions.

What kinds of projects and tasks can an Internship Java Developer expect to work on during their internship?

As an Internship Java Developer, you can expect to work on a variety of projects that help you build practical skills, such as developing new features, fixing bugs, writing unit tests, or assisting with code reviews. You’ll likely collaborate closely with experienced developers and participate in team meetings or agile sprints, which provide valuable exposure to real-world software development processes. Projects may range from maintaining existing applications to contributing to new product development, giving you a well-rounded experience in Java programming. This role is designed to help you learn industry best practices and gain hands-on experience while receiving mentorship and feedback from your team.
More about Internship Java Developer jobs
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 cities in Ontario are hiring for Internship Java Developer jobs? Cities in Ontario with the most Internship Java Developer job openings:
Network Design Intern (Fall 2026, 4 months)

Network Design Intern (Fall 2026, 4 months)

Hitachi

Toronto, ON • Hybrid

Full-time

PTO

Posted yesterday

New


Job description

Location:

Toronto, Ontario, Canada

Job ID:

R1012963

Date Posted:

2026-07-07

Company Name:

Hitachi Rail Canada Inc.

Profession (Job Category):

Engineering & Science

Job Schedule:

Full time

Remote:

No

About Us

A career at Hitachi Rail will help create a legacy. With operations in every corner of the world, our work goes to the cutting-edge of digital transformation and technology. From the multi-cultural strength of our global organisation to the sustainable and innovative ways we work to bring people together, there's something for everyone to get stuck into. And that's where you come in.

Job Description:

Job Title:Network Design Intern

Rail Pass Type:Internship/Co-op(Full-time/Hybrid)

Departure and Arrival Date (Start -End):September 2026 - December 2026 (4 months)

Vacancy: 1

Location:100 Consilium Place, Scarborough, ON M1H 3E3

Work hours/week:40

Pay Details:$23-$30CADhourly

Stations on Your Journey:

Welcome and Onboarding Station

  • Intern Orientation

  • Online Onboarding Curriculum

  • Buddy Program for mentorship and guidance

Hands-OnWork Station

  • Real-world projects with top industry talent

  • Paid internship + paid vacation

  • Hybrid work model

  • A chance to build your career with a global leader driving digital transformationand innovationthat helps support sustainable future

Networking Station

  • "Ask Me Anything" with the Executive Committee

  • Employee Resource Groups (ERGs)

  • SocialIntern Events: Coffee Breaks, Onsite/Offsite events

  • Business Intern Events: InternShowcase & Graduationceremony

  • Company Social Events:Holiday Party,Employee BBQs, Golf tournament, etc.

About This Opportunity

To have network design intern to get help on multiple project activities, also to work on some specific initiatives such as script development, KPI update, automation of certain tasks/processes). This also provides opportunity to have a trained intern for future role with the department

Required Skills and Experience

  • Converts Customer (internal and/or external) requirements into conceptual designs and prepares associated documentation by performing operational analyses, simulations and technical trade-off studies evaluating alternative design configurations and functional features.

  • Similarly, creates new concepts or modifies existing concepts to fulfil customer requirements.

  • Creates and documents detailed network designs implementing the requirements.

  • Deploys the solutions in the lab and supporting testing activities.

  • Participates in technical reviews of component designs, install an designs, vendor selection and qualification, and other related areas.

  • Provides support for issues in the field.

  • Prepares and supports bids and proposals, including customer requirements compliance assessment, gap analysis, architecture design, simulation, trade-off of key features, estimation, etc.

  • Presents technical design and reports to customers and/or other engineering/management groups in clear, complete, concise and non-ambiguous terms.

  • Interfaces and builds working relationships with Software, Hardware and testing groups to ensure timely analysis and resolution of in-house and field test issues.

  • Must be able to accurately reports work progress & estimates to complete the assigned work.

Required Skills and Experience

  • Candidate should be working towards a System, Electrical/Computer Engineering, or Computer Science degree or similar Bachelor's degree / Master's

  • Knowledge of network principles and technologies:

a. Ethernet/IP-based networking (switching/routing protocols);
b. Redundancy and high-availability technologies;
c. Network/IT services;
d. MPLS and VPN technologies;
e. RF networking (802.11, LTE);

  • Knowledge/Experience in Programming/Scripting (Python, C, C++, Java script, Pearl, Shell script)

  • Fluent in English - both written and oral communication skills

  • Able to work full time (40 hours) for the agreed work term with a minimum of 2 days (16 hours) in the Toronto office

Preferred Skills and Experience

Rail signalling, CBTC, and knowledge of specification-driven network (as it applies to computer systems with both hardware & software operation) are assets

Ready to Begin Your Journey?

Tap yourticket and apply today.

Line Status: Open until filled

This posting relates to an existing vacancy.

Our hiring process uses both human and technologyassisted (AI) tools to support candidate screening and assessment. All results are reviewed by people, and all hiring decisions are made by people.

Thank you for your interest in Hitachi Rail. If your application is of interest, we will be in contact. Please do not hesitate to discover more about us and our latest jobs at https://www.hitachirail.com/careers.

At Hitachi Rail, there is a place for everyone. We welcome and value differences in background, age, gender, sexuality, family status, disability, race, nationality, ethnicity, religion, and world view. It is our commitment to create an inclusive environment - we are proud to be an equal opportunity employer.

We would be delighted if you would be one of our followers at https://www.linkedin.com/company/hitachirail


Hitachi Vantara logo

About Hitachi Vantara

Sourced by ZipRecruiter

Hitachi Rail is a fully integrated, global provider of rail solutions across rolling stock, signaling, service & maintenance, digital technology and turnkey. With a presence in 38 countries across three continents and over 13,000 employees, our mission is to contribute to society through the continuous development of superior rail transport solutions.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Santa Clara, CA, US

Year founded

2017