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Java Internship Jobs in Ontario (NOW HIRING)

... internship, co-op, academic project, or professional experience building applications. * Proficiency in at least one programming language such as Python, JavaScript/TypeScript, or Java. * Hands-on ...

Java What You'll Do: * Develop and maintain responsive web applications using ReactJS * Build and ... internships/co-op experience considered) * Strong understanding of JavaScript and modern web ...

Full Stack Software Developer I

Toronto, ON · On-site

CA$94K - CA$127K/yr

... internships and academic projects welcome) * Foundational understanding of software engineering ... Experience (academic or professional) with at least one object-oriented language such as Ruby, Java ...

Software Developer

Toronto, ON · On-site

CA$97K - CA$100K/yr

Backend: Node.js, TypeScript, PHP, Java * Frontend: Angular, Vue.js, React * Databases: MySQL ... Experience mentoring junior developers or interns. Perks: * Generous wellness program * Best-in-the ...

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Java Internship information

What is a Java Internship?

A Java Internship is a temporary position, usually aimed at students or recent graduates, that provides hands-on experience working with Java programming in a real-world environment. Interns typically assist with software development tasks, bug fixing, and sometimes participate in designing and testing Java applications. This role helps individuals gain practical skills, industry knowledge, and professional networking opportunities that can aid in securing a full-time job in software development.

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

To thrive as a Java Intern, you need a solid understanding of Java programming, basic knowledge of object-oriented principles, and enrollment in or completion of a computer science or related degree. Familiarity with IDEs like Eclipse or IntelliJ IDEA, version control systems such as Git, and basic database concepts is often expected. Strong problem-solving skills, eagerness to learn, and effective communication set exceptional interns apart. These skills and qualities enable interns to contribute meaningfully to projects, adapt to team workflows, and accelerate their professional growth.

What is the difference between Java Internship vs Java Developer?

AspectJava InternshipJava Developer
Required CredentialsTypically pursuing or recently completed a degree in Computer Science or related fieldBachelor's degree in Computer Science or related, often with certifications
Work EnvironmentEntry-level, training-focused, often part-time or temporaryFull-time, professional development, project-based
Employer & Industry UsageInternships offered by tech companies, startups, and organizations for trainingFull-time roles in software development companies, IT departments, or tech firms
Common Search & Comparison IntentUnderstanding entry points into Java developmentSeeking full-time Java development roles

In summary, a Java Internship is an entry-level, training-focused position designed for students or recent graduates to gain practical experience. A Java Developer is a full-time professional role requiring more experience and responsibility in developing Java applications.

What types of projects do Java interns typically work on, and how do these projects support their learning and professional growth?

Java interns are often assigned to real-world projects such as developing web applications, enhancing existing codebases, or automating testing processes. These projects are designed to provide hands-on experience with Java frameworks like Spring or Hibernate, version control systems, and collaborative development tools. Interns usually work closely with experienced developers, participate in code reviews, and attend team meetings, which helps them gain valuable feedback and understand industry best practices. This environment not only sharpens their technical skills but also exposes them to effective teamwork and agile development methodologies, setting a strong foundation for future career opportunities.
What are the most commonly searched types of Java jobs in Ontario? The most popular types of Java jobs in Ontario are:
What cities in Ontario are hiring for Java Internship jobs? Cities in Ontario with the most Java Internship job openings:
Infographic showing various Java Internship job openings in Ontario as of July 2026, with employment types broken down into 2% Internship, 75% Full Time, 21% Part Time, 1% Temporary, and 1% Contract. Highlights an 86% Physical, 3% Hybrid, and 11% Remote job distribution.

IT Developer - Master-Level Internship

Vosyn

Etobicoke, ON • On-site, Remote

$32/hr

Full-time

Posted 22 days ago


Job description

Job Title: IT Developer - Master-Level Internship

Level: Master's Level Internship

Department: IT and Security

Duration: 520 Hours (approximately 3 months)

Work location: Remote (with hybrid options in Toronto)

Compensation: Hourly ($32)

About Us: At Vosyn, we embrace the exciting, game-changing world of Artificial Intelligence, driving innovation and pioneering impactful projects across various industries. We are a trailblazing Language Synthesis AI firm reshaping global communication by dissolving language barriers and empowering users. We believe in fostering a culture of flexibility, continuous improvement, and solution-focused strategies. Here, every idea is welcomed, nurtured, and has the potential to scale to new heights. Currently, we're at the forefront of a significant IPO endeavor, truly a unicorn in the making. We invite you to be part of our journey and leave your imprint on the future of AI.

About the Role: We are looking for a skilled and driven IT Developer Intern to join our team. This role is perfect for a Master's level student with a passion for developing and maintaining IT systems and applications. IT Developer Intern, you will work closely with our engineering team to design, develop, and maintain the technical infrastructure and software that power our applications and systems. This immersive internship offers hands-on experience, collaboration with senior management, and the opportunity to work in a fast-paced, high-growth environment. While demanding, it promises to be a rewarding complement to your academic journey, equipping you with valuable skills and insights.

Key Responsibilities:

  • Write clean, efficient, and maintainable code using high-level programming languages such as Python, Java, C++, JavaScript, React, etc.
  • Apply Object-Oriented Programming (OOP) principles such as classes, objects, inheritance, polymorphism, and encapsulation to design and develop software solutions.
  • Work with data structures (e.g., arrays, linked lists, trees, graphs) and implement algorithms for tasks like sorting and searching.
  • Participate in Agile development methodologies, including Scrum and Kanban, and work collaboratively in Agile teams.
  • Utilize Git for version control, including branching, merging, and resolving conflicts within a team setting.
  • Break down complex problems into smaller, manageable tasks and develop innovative solutions.
  • Communicate technical concepts clearly and effectively to both technical and non-technical audiences.
  • Collaborate with cross-functional teams to achieve project goals and meet deadlines.
  • Engage in cloud computing platforms (e.g., Azure, GCP) to develop scalable applications.
  • Design and interact with databases such as SQL, PostgresDB, MongoDB, and NoSQL.
  • Implement and manage CI/CD pipelines, work with containerization tools like Docker and Kubernetes, and handle infrastructure-as-code processes.
  • Conduct unit testing, integration testing, and other testing methodologies to ensure software reliability.
  • Utilize GitHub for managing and controlling project code and ensure adherence to version control practices.

About You:

  • Currently enrolled or recently graduated from a Master's program in Computer Science, Software Engineering, Information Technology, or a related field. Master's program enrollment or completion is mandatory.
  • Proficiency in at least one high-level programming language such as Python, Java, C++, C#, JavaScript, or React.
  • A strong understanding of Object-Oriented Programming (OOP) concepts, including classes, objects, inheritance, polymorphism, and encapsulation.
  • Familiarity with common data structures and algorithms used in programming, such as arrays, linked lists, trees, graphs, sorting, and searching.
  • A solid understanding of Agile development principles (Scrum, Kanban) and experience working in an Agile team environment.
  • Proficiency in using Git for version control, including working with branches, merging, and resolving conflicts.
  • Strong analytical and problem-solving skills, with the ability to break down complex issues and devise effective solutions.
  • Ability to think critically and creatively when tackling problems.
  • Excellent written and verbal communication skills to effectively share technical information.
  • Strong collaboration and teamwork skills, especially in a multidisciplinary setting.
  • Basic understanding of cloud computing platforms like Azure and GCP.
  • Experience with databases such as SQL, PostgresDB, MongoDB, or NoSQL.
  • Familiarity with DevOps practices like CI/CD pipelines, containerization (Docker, Kubernetes), and infrastructure-as-code.
  • Experience with unit and integration testing to ensure the stability and functionality of software applications.
  • Ability to work both independently and collaboratively.
  • Strong problem-solving skills and attention to detail.
  • New graduates are encouraged to apply.
  • Bonus: Experience with specific technologies or frameworks relevant to the company's projects (e.g., React, Node.js, machine learning frameworks) and contributions to open-source projects.

We believe exceptional talent often emerges from diverse paths. If you possess a profound curiosity, a genuine passion for continuous personal and professional growth, and a strong desire to apply your unique abilities to create significant impact within our team, we strongly encourage you to apply-even if your background doesn't align perfectly with every single qualification.

Why Join Us:

  • Be part of the invigorating journey of a start-up transitioning to an IPO.
  • Engage directly with senior management and strategic advisory board members.
  • Enhance your CV with a rich array of experiences unique to Vosyn and AI Venture Lab.
  • Gain hands-on experience contributing to projects that drive growth and make a lasting impact in a fast-paced startup environment.

DEI and Workplace Safety:

At Vosyn Inc., we are committed to fostering a diverse, equitable, and inclusive workplace where every employee feels valued and supported. We believe that diversity of thought, background, and experience enriches our company culture and enhances innovation. We are an equal-opportunity employer and encourage candidates from all walks of life to apply. As part of our commitment to creating a safe and healthy work environment, we prioritize workplace safety, adhering to all relevant regulations and promoting a culture of responsibility. We believe that a safe and inclusive workplace is essential for the well-being and success of our team members. Join us in building a workplace that values diversity, prioritizes equity, and ensures the safety and well-being of every individual.

Recruitment Process:

  1. Application Submission: Candidates are invited to submit their resumes and cover letters through our career portal.
  2. Written Questionnaire: Selected candidates will receive a set of 10 written questions to assess their fit and technical knowledge..
  3. Video Questionnaire: Candidates who successfully pass the written assessment will be asked to answer 10 additional questions to be submitted in a video format to further evaluate their skills and cultural fit. The ability to video record your answers will be required.
  4. Evaluation: Our team will review the responses to both questionnaires. Candidates who meet our criteria will be invited to the next stage.
  5. Orientation Session: Successful candidates will be invited to participate in an orientation session where they will learn more about Vosyn, our projects, and what to expect during the internship. After this session, you will be given the opportunity to opt-in if you believe that this internship is for you.

Please note: At Vosyn, we hire on a rolling basis, so we encourage you to apply as soon as possible. While we operate with flexibility, we also cater to academic semester work terms to align with school schedules, ensuring a smooth transition for students joining us.

Be a part of a fast-growing global organization that values diversity of thought, experience, and culture. Our interns come from top universities worldwide, and we invite you to contribute, learn, and grow with us on this exciting journey.

Please note that only candidates who apply through our website will be considered for the role.

Apply Now:
Vosyn Careers


Employment Type: FULL_TIME