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Junior Python Backend Developer Jobs in Ontario (NOW HIRING)

CA$150K - CA$220K/yr

... years of backend engineering experience (ideally in hightraffic or distributed systems) \n * Strong proficiency with Python (experience with Django , Flask , or similar frameworks) \n * Solid ...

As a Senior Backend Engineer, you will play a critical role in architecting and developing the ... Proficient in backend development, particularly in Python. * Problem Solver : Ability to propose ...

Design, develop, test, and debug backend services and APIs using Python and FastAPI, ensuring high ... Collaborate with architects and senior engineers to ensure solutions are secure, well‑designed ...

Actively work to improve the developer process and experience in all phases from coding to ... Experience in Python, Java, C++, or Go or another language and a willingness to learn * Experience ...

Familiarity with DevOps practices and CI/CD pipelines. * Ability to work independently and ... Experience mentoring junior developers or leading technical initiatives. * Strong communication ...

The Role This is a senior role working alongside the current backend software engineering team; however, you will also work alongside both experienced and junior frontend developers, as well as ...

Proficiency in Python and Flask framework. * Strong understanding of React.js and its core ... Troubleshoot and debug front-end issues. Back-end Development (Flask): * Design and implement web ...

Conduct code reviews and provide mentorship to junior engineers, promoting best practices in ... Proficiency in back-end technologies and programming languages (e.g., Go, Java) and a deep ...

Proficiency in Python and Flask framework. * Strong understanding of React.js and its core ... Troubleshoot and debug front-end issues. Back-end Development (Flask): * Design and implement web ...

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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.