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Backend Developer Internship Jobs in Ontario (NOW HIRING)

The ideal candidate is skilled in front-end and back-end development, has a keen eye for detail ... internship is engineered to award. DEI and Workplace Safety: At Vosyn Inc., we are committed to ...

Collaborate with frontend and backend engineers to ensure smooth data flow and integration between ... Our interns come from top universities worldwide, and we invite you to contribute, learn, and grow ...

Mentor junior engineers and interns * Promote best practices and high-quality development ... with backend APIs, services, and platform development * Rich development experience with Java ...

Software Developer

Toronto, ON

CA$72K - CA$105.60K/yr

As a Software Developer (New Grad), you'll contribute to real services used globally while learning ... Internship, research, or significant project experience in backend development or cloud services

Develop and support backend applications using C# and the .NET ecosystem * Build and maintain ... Around 1+ year of software development experience through work, internships, co-op placements, or ...

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Backend Developer Internship information

See Ontario salary details

$18K

$84.9K

$172K

How much do backend developer internship jobs pay per year?

As of May 28, 2026, the average yearly pay for backend developer internship in Ontario is $84,870.00, according to ZipRecruiter salary data. Most workers in this role earn between $35,000.00 and $125,500.00 per year, depending on experience, location, and employer.

What is a Backend Developer Internship job?

A Backend Developer Internship is a temporary, hands-on learning opportunity for students or entry-level developers to gain experience in backend development. Interns typically work with databases, APIs, and server-side logic using languages like Python, Java, or Node.js. They collaborate with senior developers to build, optimize, and maintain backend systems. This internship helps develop technical skills, problem-solving abilities, and an understanding of industry best practices.

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

To thrive as a Backend Developer Intern, you need a foundational understanding of server-side programming languages (such as Python, Java, or Node.js), databases, and algorithms, often supported by coursework in computer science or a related field. Experience with version control systems like Git and familiarity with API development and frameworks are common technical requirements. Strong problem-solving abilities, effective communication, and a willingness to learn help interns integrate smoothly within development teams. These skills are crucial for building reliable backend services, collaborating with peers, and adapting quickly to new technologies and workplace expectations.

What kinds of projects and tasks do Backend Developer Interns typically work on during their internship?

Backend Developer Interns often collaborate with experienced engineers to help design, develop, and maintain server-side logic, databases, and APIs. Common tasks include writing code for backend services, participating in code reviews, testing and debugging features, and assisting with database queries or schema updates. Interns may also be involved in integrating third-party services, automating system processes, and learning about best practices in software development. This hands-on experience helps interns build practical skills and gain insight into how production systems operate, preparing them for more advanced developer roles in the future.
What are the most commonly searched types of Backend Developer jobs in Ontario? The most popular types of Backend Developer jobs in Ontario are:
What job categories do people searching Backend Developer Internship jobs in Ontario look for? The top searched job categories for Backend Developer Internship jobs in Ontario are:

Back End Developer - Master-Level Internship

Vosyn

Etobicoke, ON โ€ข On-site, Remote

$32/hr

Full-time

Posted 19 days ago


Job description

Job Title: Back End Developer - 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 Back End Developer Intern to join our team. This role is perfect for a Master's level student with a passion for building robust and scalable backend systems. As a Back End Developer Intern, you will work closely with our engineering team to design, develop, and maintain server-side logic and databases that power our applications.

Key Responsibilities:

  • Develop and maintain server-side components and APIs using Python and frameworks such as Django, Django Rest Framework (DRF), Flask, and FastAPI.
  • Work with databases including PostgreSQL, SQL, and NoSQL to design, optimize, and maintain data storage solutions.
  • Collaborate with front-end developers to integrate user-facing elements with server-side logic.
  • Ensure the security and performance of web applications.
  • Utilize Postman for API testing and debugging.
  • Participate in code reviews and contribute to team discussions on best practices.
  • Stay informed about the latest backend development trends and technologies.

About You:

  • Currently enrolled or recently graduated from a Master's program in Computer Science, Software Engineering, or a related field. Master's program enrollment or completion is mandatory.
  • Strong understanding of backend languages and frameworks such as Python, Django, Django Rest Framework (DRF), Flask, and FastAPI.
  • Experience with database management and design (PostgreSQL, SQL, NoSQL).
  • Familiarity with RESTful API design and development.
  • Knowledge of security best practices in backend development.
  • Ability to work both independently and collaboratively.
  • Strong problem-solving skills and attention to detail.
  • New graduates are encouraged to apply

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 choose 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