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Python Flask Jobs in Ontario (NOW HIRING)

Production experience with Django, or deep experience with another Python web framework such as FastAPI or Flask. * Demonstrated experience owning features or technical projects from design through ...

Production experience with Django, or deep experience with another Python web framework such as FastAPI or Flask. * Demonstrated experience owning features or technical projects from design through ...

Python, TypeScript * Frameworks: Flask, FastAPI, Celery, React, TanStack * Infra: Google Cloud Platform, Kubernetes * Data: PostgreSQL, ClickHouse, Redis, RabbitMQ, Turbopuffer

Python experience * Familiar with some of the following libraries (flask-restful, flask blueprint, netmiko/paramiko/napalm, requests, regular expressions and json/yaml) * You possess superior problem ...

Backend Engineer III

Toronto, ON · On-site

CA$125K/yr

  • Medical

  • Dental

  • Retirement

  • PTO

Strong, hands-on Python fluency; you will write production Python from day one * Experience designing and building REST APIs, ideally with FastAPI, Flask, or Django * Strong relational database ...

Support back-end development and webapps (ie, technologies such as React, Plotly Dash ,Python, Node.js, FastAPI, Flask, etc) * Participate in code reviews, testing cycles, troubleshooting, and defect ...

Backend Engineer III

Toronto, ON · Hybrid

CA$125K/yr

  • Medical

  • Dental

  • Retirement

  • PTO

Strong, hands-on Python fluency; you will write production Python from day one * Experience designing and building REST APIs, ideally with FastAPI, Flask, or Django * Strong relational database ...

Data Architect

Toronto, ON · Hybrid

CA$120K - CA$150K/yr

  • Medical

  • Retirement

Strong proficiency in Python (or similar) and experience with data science libraries and frameworks ... Flask). * Experience collaborating with data engineering teams on production-grade solutions

NET Core, ASP.NET) Python (experience with at least one of the following: DJango, Flask, Bottle) PHP (experience with at least one of the following: Laravel, Cake, Symfony, Drupal) Experience with ...

Deep expertise in Python, a major backend framework (e.g., FastAPI, Flask), and asynchronous programming (e.g., asyncio). Proficiency in designing RESTful APIs, microservices, and the complete ...

Showing results 21-40

Python Flask information

See Ontario salary details

$54K

$135.5K

$191.5K

How much do python flask jobs pay per year?

As of Aug 19, 2026, the average yearly pay for python flask in Ontario is $135,506.00, according to ZipRecruiter salary data. Most workers in this role earn between $116,000.00 and $155,000.00 per year, depending on experience, location, and employer.

What is a Python Flask?

A Python Flask job typically involves developing web applications using the Flask framework, a lightweight and flexible web framework for Python. Responsibilities may include building APIs, handling request-routing, integrating with databases, and deploying applications. Flask developers often work with front-end technologies and cloud platforms to create scalable and efficient web solutions.

What are some typical daily responsibilities for a Python Flask developer?

As a Python Flask developer, your daily tasks often include designing and building web application features, developing and maintaining RESTful APIs, and troubleshooting code issues. You'll frequently collaborate with front-end developers, QA engineers, and product managers to ensure seamless integration and alignment with project goals. Keeping codebases well-documented and participating in code reviews are also common aspects of the role. Additionally, you'll likely be involved in deploying applications to production environments and staying updated with industry best practices for security and performance.

What are the key skills and qualifications needed to thrive in the Python Flask position, and why are they important?

To thrive as a Python Flask developer, you need a strong command of Python programming, a thorough understanding of Flask web framework concepts, and experience with RESTful API design and implementation. Familiarity with tools such as Git, Docker, and relational databases, as well as certifications in web development or related fields, are often beneficial. Excellent problem-solving skills, effective communication, and the ability to work collaboratively in agile teams set standout candidates apart. These skills ensure high-quality, scalable application development and efficient teamwork in a dynamic tech environment.

What job categories do people searching Python Flask jobs in Ontario look for?

The top searched job categories for Python Flask jobs in Ontario are:

Infographic showing various Python Flask job openings in Ontario as of August 2026, with employment types broken down into 1% Internship, 79% Full Time, 15% Part Time, and 5% Contract. Highlights an 76% Physical, 7% Hybrid, and 17% Remote job distribution, with an average salary of $135,506 per year, or $65.1 per hour.

Back End Developer - Master-Level Internship

Vosyn

Etobicoke, ON • On-site, Remote

$32/hr

Full-time

Re-posted 12 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)

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