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Junior Python Backend Developer Jobs in Ontario (NOW HIRING)

... the backend systems, including the core functionality, databases and APIs. \n \n \n \n \n \n As ... junior\-senior applicants and for the right senior, there may be the opportunity to progress to ...

The Sr. Consultant, Back End Developer provides technical leadership to develop precise steps and ... Support and mentor junior designers and developers through knowledge sharing, collaboration and ...

The Sr. Consultant, Back End Developer provides technical leadership to develop precise steps and ... Support and mentor junior designers and developers through knowledge sharing, collaboration and ...

... a Python FastAPI RAG orchestration service integrating Azure AI Search and Azure OpenAI; and a ... The Senior Backend Engineer, AI Platform owns the backend surface. You are the primary engineer on ...

Strong Python/backend engineering experience * Experience with AI agent workflows, code generation systems, or AI-assisted developer tools * Strong system design/infrastructure/platform engineering ...

Develop Python asset modules for data processing and AI pipeline support * Collaborate with frontend developers to ensure API usability and performance * Write unit tests and maintain backend ...

Develop Python asset modules for data processing and AI pipeline support * Collaborate with frontend developers to ensure API usability and performance * Write unit tests and maintain backend ...

Develop Python asset modules for data processing and AI pipeline support * Collaborate with frontend developers to ensure API usability and performance * Write unit tests and maintain backend ...

Staff Backend Engineer (SaaS, Data & AI) Why Kaseya? Join a fast-growing company that ... Experience with Python and data-related tooling (e.g., pandas, PyTorch) * Experience working with ...

Python Developer

Toronto, ON ยท Hybrid

CA$110K - CA$120K/yr

Our challenge We are seeking a strong Python Developer to join the Investment Platforms team ... The role will focus on building robust backend services, data pipelines, and tools that support ...

Must have strong Python programming concepts and hands on experience in application development ... maintain back end components RESTFUL APIs GraphQL endpoints and Microservices Build High ...

Must have strong Python programming concepts and hands on experience in application development ... maintain back end components RESTFUL APIs GraphQL endpoints and Microservices Build High ...

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Junior Python Backend Developer information

What are the key skills and qualifications needed to thrive as a Junior Python Backend Developer, and why are they important?

To thrive as a Junior Python Backend Developer, you need proficiency in Python programming, understanding of backend frameworks like Django or Flask, and a solid grasp of databases and RESTful API design, typically supported by a relevant degree or coding bootcamp experience. Familiarity with version control systems like Git, cloud platforms, and containerization tools such as Docker is often expected. Strong problem-solving skills, eagerness to learn, and effective teamwork make someone stand out in this role. These skills and qualities are crucial for building reliable backend systems, collaborating with teams, and adapting to evolving technical requirements.

What types of projects and tasks can a Junior Python Backend Developer expect to work on during their first year?

As a Junior Python Backend Developer, you can expect to work on tasks such as building and maintaining RESTful APIs, writing automated tests, fixing bugs, and contributing to database design. You'll likely start with smaller components or features, collaborating closely with senior developers and front-end teams to ensure smooth data flow and application performance. Over time, you'll gain exposure to code reviews, deployment processes, and may gradually take on more complex assignments as you build your expertise and confidence.

What does a Junior Python Backend Developer do?

A Junior Python Backend Developer is responsible for writing server-side logic using the Python programming language. They work on building, maintaining, and optimizing the backend of web applications, often collaborating with frontend developers and other team members. Their daily tasks may include developing APIs, managing databases, debugging code, and ensuring the application runs smoothly and efficiently. As junior developers, they are also expected to learn best practices, follow coding standards, and continuously improve their skills.
What are the most commonly searched types of Python Backend Developer jobs in Ontario? The most popular types of Python Backend Developer jobs in Ontario are:
Infographic showing various Junior Python Backend Developer job openings in Ontario as of May 2026, with employment types broken down into 66% Full Time, 21% Part Time, and 13% Contract. Highlights an 85% Physical, 1% Hybrid, and 14% Remote job distribution.

Back End Developer - Master-Level Internship

Vosyn

Etobicoke, ON โ€ข On-site, Remote

$32/hr

Full-time

Posted 21 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