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Intern Java Developer Jobs in Ontario (NOW HIRING)

... Engineering, Information Technology, Computer Science, or a related field within an accredited ... Experienced with Java and the JVM Every day will bring new opportunities, giving you exposure to a ...

Intern - Technical

Toronto, ON · Hybrid

CA$25 - CA$40/hr

... engineers who help and challenge them they work on projects that matter to our customers. Work with ... Java, Spring, SpringBoot, RESTapi, Nodejs, SQL, MongoDB, Postgres * Backend testing: Junit ...

WHY INTERN WITH US * Gain valuable experience at a fast-growing tech startup in Canada. * Work ... Strong programming skills in languages such as Java, Scala, and Python.Knowledge of data structures ...

WHY INTERN WITH US * Gain valuable experience at a fast-growing tech startup in Canada. * Work on ... Strong programming skills in languages such as Java, Scala, and Python.Knowledge of data structures ...

Why Intern With Us: At Acceldata, you won't just be writing code; you'll be shaping the foundation ... Strong programming skills in languages such as Java or Scala, and Python. * Developed and prepared ...

High-level programming and scripting languages such as Java, Python, Perl, Tcl, bash * YANG modeling language and toolchains * Software development methodologies such as Agile or Waterfall

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Intern Java Developer information

See Ontario salary details

$9

$50

$81

How much do intern java developer jobs pay per hour?

As of Jun 19, 2026, the average hourly pay for intern java developer in Ontario is $50.21, according to ZipRecruiter salary data. Most workers in this role earn between $38.46 and $62.98 per hour, depending on experience, location, and employer.

What is an Intern Java Developer job?

An Intern Java Developer is a temporary, entry-level position where individuals gain hands-on experience in Java development. Interns typically assist in coding, debugging, testing, and software development tasks under the guidance of senior developers. This role helps build foundational programming skills, familiarity with frameworks like Spring, and an understanding of industry best practices. Interns may also collaborate with teams to develop applications, fix bugs, and optimize code. The position is designed to provide learning opportunities and practical experience for those looking to start a career in software development.

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

To thrive as an Intern Java Developer, you need a foundational understanding of Java programming, object-oriented principles, and basic software development practices, often gained through coursework or self-study. Familiarity with tools such as Eclipse or IntelliJ IDEA, version control systems like Git, and exposure to frameworks such as Spring or Maven can be highly beneficial. Eagerness to learn, effective communication, and teamwork are standout soft skills in this role. These abilities are crucial for contributing to real-world projects, adapting in a collaborative tech environment, and building a strong foundation for a software development career.

What kinds of projects or tasks do Intern Java Developers typically work on during their internship?

Intern Java Developers often assist with coding, debugging, and testing features for larger applications under the guidance of senior engineers. You might be tasked with fixing minor bugs, writing unit tests, or contributing to small modules within a project, which helps you apply classroom knowledge in real-world settings. Interns frequently participate in code reviews, team meetings, and agile sprints, providing exposure to collaborative software development processes. This hands-on experience helps build both technical proficiency and a deeper understanding of how professional development teams operate.

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 Intern Java Developer jobs? Cities in Ontario with the most Intern Java Developer job openings:
Infographic showing various Intern Java Developer job openings in Ontario as of June 2026, with employment types broken down into 74% Full Time, 11% Part Time, 3% Temporary, and 12% Contract. Highlights an 94% Physical, 3% Hybrid, and 3% Remote job distribution, with an average salary of $104,442 per year, or $50.2 per hour.

Prompt & Agentification Engineer - Master-Level Internship

Vosyn

Etobicoke, ON • On-site, Remote

$32/hr

Full-time

Posted 7 days ago


Job description

Job Title: Prompt & Agentification Engineer - Master-Level Internship

Level: Master's Level Internship

Department: Software Development

Duration: 520 Hours (approximately 3 months)

Work location: Remote (with hybrid options in Toronto)

Compensation: Hourly ($32)

The Vosyn internship is unique. Remuneration is equivalent to $32.00 CAD per hour payable in common shares of the Corporation at the then fair market value. For greater clarity, NO cash in-hand (in hourly rate or salary) will be paid to the Intern. Instead, Vosyn being an AI start-up, the upside is in potential future value of said shares based on the hours worked, billed and approved.

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 Prompt & Agentification Engineer Intern to join our team. This role is perfect for a Master's level student with a passion for working with data to support business and technical objectives. As a Prompt & Agentification Engineer Intern, you will work closely with our engineering team to contribute to prompt strategies and implementation within Vosyn. 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:

  • Design, test, and refine prompts.
  • Optimize AI model outputs.
  • Evaluate the context and purpose of a prompt.
  • Identify and address ethical issues.
  • Analyze outputs to understand patterns and trends.
  • Collaborate with cross-functional teams.

About You:

  • Currently enrolled or recently graduated from a Master's program in Data Science, Computer Science, Statistics, or a related field. Master's program enrollment or completion is mandatory.
  • Strong understanding of data concepts and analytical methods.
  • Proficiency in relevant tools and technologies (Python, Java, R, and C++).
  • Programming proficiency, including coding in Python and other languages for scripting, automation, and interacting with AI models.
  • Knowledge of various language models, such as ChatGPT-3.5, ChatGPT-4, Google Gemini, Microsoft Copilot, and others.
  • Ability to analyze data generated by language models and derive insights to improve model performance.
  • Ability to work both independently and collaboratively.
  • Strong problem-solving skills and attention to detail.
  • New graduates are encouraged to apply.

Core Competencies (with n8n focus):

  • Workflow Automation with n8n: Ability to design, build, and manage robust automation workflows using n8n's visual interface and node-based system for AI orchestration.
  • AI Model Integration: Experience connecting and orchestrating Large Language Models (LLMs) and other AI services (e.g., OpenAI, Gemini) within n8n workflows.
  • Prompt Engineering & Management: Proficiency in structuring, passing, and managing prompts effectively within n8n workflows, including handling dynamic inputs and outputs for AI agents.
  • API & Service Integration: Capability to integrate various external APIs and services with n8n to feed data to or receive results from AI models.
  • Data Flow & Transformation: Skill in processing, transforming, and routing data within n8n workflows to optimize inputs for AI and handle outputs.
  • Debugging & Workflow Optimization: Ability to test, debug, and refine complex n8n workflows to ensure efficient and reliable AI automation.
  • Understanding of AI Agents: Conceptual or practical understanding of how n8n can be leveraged to build and manage autonomous or semi-autonomous AI agents.

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 that only candidates who apply through our website will be contacted.

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

Apply Now:
Vosyn Careers

Employment Type: FULL_TIME