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Python Developer Jobs in Ontario (NOW HIRING)

Atyeti Inc

Sr Python Developer

Toronto, ON · On-site

Design, develop, and maintain robust and scalable RESTful APIs using Python. * Collaborate with cross-functional teams including frontend, DevOps, and QA to deliver high-quality features. * Work with ...

Td

Python Developer / Engineer (US)

Toronto, ON

CA$81.60K - CA$115.20K/yr

Execute on Engineering strategy as it relates to the introduction of tools and the automation of build, test, release and configure activities across Application, Platform and Infrastructure

Deloitte

Python & SQL Developer - Operate

Toronto, ON

CA$72K - CA$138K/yr

Learn from deep subject matter experts through mentoring and on the job coaching Summary As a Python & SQL Developer, you will design, build, and support scalable backend and data‑driven solutions ...

Virtusa

Gen AI Developer

Mississauga, ON · On-site

Strong programming proficiency in Python is a must, including extensive experience with libraries such as Pandas, NumPy, scikit-learn, PyTorch, TensorFlow, Transformers, FastAPI, Seaborn, LangChain ...

Virtusa

Gen AI Developer

Mississauga, ON · On-site

Strong programming proficiency in Python is a must, including extensive experience with libraries such as Pandas, NumPy, scikit-learn, PyTorch, TensorFlow, Transformers, FastAPI, Seaborn, LangChain ...

Virtusa

Gen AI Developer

Mississauga, ON · On-site

Strong programming proficiency in Python is a must, including extensive experience with libraries such as Pandas, NumPy, scikit-learn, PyTorch, TensorFlow, Transformers, FastAPI, Seaborn, LangChain ...

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Python Developer information

What Does a Python Developer Do?

As a Python developer, your job is to use the Python programming language to develop, implement, and debug a project. In this role, you may create an application for your employer, design the framework for your code, build tools as necessary to get the job done, create websites, or publish new services. Python developers often work with data collection and analytics to create useful answers to questions and provide insight where it's needed most. Like most programming positions, the specifics of this job vary based on the needs of your employer. Some Python developers work as independent contractors instead of being exclusive to one company.

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

To thrive as a Python Developer, you need strong programming skills in Python, a solid understanding of algorithms and data structures, and often a degree in computer science or a related field. Familiarity with frameworks like Django or Flask, version control systems such as Git, and knowledge of databases and cloud services are commonly required. Problem-solving ability, attention to detail, and effective communication help developers collaborate and deliver high-quality code. These skills and qualities are vital to building efficient, scalable software solutions and contributing effectively to development teams.

What are some common challenges Python Developers face when working on large-scale projects?

Python Developers working on large-scale projects often encounter challenges such as managing codebase complexity, ensuring consistent code style among team members, and optimizing application performance. Collaboration with other developers becomes essential, often requiring the use of version control systems and code review processes. Additionally, integrating Python code with other technologies or legacy systems can present unique compatibility and testing hurdles. Proactively adopting best practices like modular architecture and thorough documentation can help mitigate these issues.

What is the difference between Python Developer vs Java Developer?

AspectPython DeveloperJava Developer
Required CredentialsBachelor's in CS or related field, Python certifications (optional)Bachelor's in CS or related field, Java certifications (optional)
Work EnvironmentWeb development, data science, automation, scriptingEnterprise applications, Android development, backend systems
Industry UsageTech startups, data companies, automation firmsFinancial services, enterprise software, mobile app companies
Common Search/ComparisonOften compared for backend and scripting rolesCompared for enterprise and mobile app development

Python Developers and Java Developers share similar educational backgrounds and often work in backend environments. However, Python is favored for data science, scripting, and rapid development, while Java is preferred for large-scale enterprise applications and Android development. Both roles are highly sought after, but their industry focus and project types differ.

More about Python Developer jobs
What are the most commonly searched types of Python Developer jobs in Ontario? The most popular types of Python Developer jobs in Ontario are:
What are popular job titles related to Python Developer jobs in Ontario? For Python Developer jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Python Developer jobs in Ontario look for? The top searched job categories for Python Developer jobs in Ontario are:
What cities in Ontario are hiring for Python Developer jobs? Cities in Ontario with the most Python Developer job openings:
What are popular job titles related to Python Developer jobs in ON? For Python Developer jobs in ON, the most frequently searched job titles are:
Python Developer jobs near you
Infographic showing various Python Developer job openings in Ontario as of May 2026, with employment types broken down into 86% Full Time, and 14% Contract. Highlights an 42% In-person, 29% Hybrid, and 29% Remote job distribution.
Sr Python Developer

Sr Python Developer

Atyeti Inc

Toronto, ON • On-site

Full-time

Posted 10 days ago

Job description

Key Responsibilities:

  • Design, develop, and maintain robust and scalable RESTful APIs using Python.
  • Collaborate with cross-functional teams including frontend, DevOps, and QA to deliver high-quality features.
  • Work with cloud platforms (e.g., AWS, Azure, GCP) to deploy and manage backend services.
  • Optimize application performance and scalability.
  • Write clean, maintainable, and well-documented code.
  • Perform code reviews and mentor junior developers.
  • Integrate with third-party APIs and external systems as needed.
  • Troubleshoot and resolve production issues.

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