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Python Application Developer Jobs in Ontario (NOW HIRING)

Citi

This role requires depth in Python application development and collaboration with diverse teams ... Keeping abreast of modern technologies and programming paradigms is essential for success in this ...

New

Maarut

Elevate your career as a Senior Cloud Application Developer, focusing on cloud technologies at a ... Strong scripting skills in Python for automation * Knowledge of cloud security and enterprise ...

New

McMillan LLP

Enterprise Application Developer

Toronto, ON · Hybrid

CA$100K - CA$120K/yr

The Enterprise Application Developer is responsible for defining, designing, developing ... Java, JavaScript, PHP, C#, C/C++, Python, ASP.NET * 3+ years of experience developing RESTful APIs ...

Scotiabank

Senior Application Developer

Toronto, ON · On-site

The position is for a Senior Application Developer within the Group Treasury-Liquidity Risk group ... Python, PySpark, or Scala * 5+ years hands-on experience with RDBMS Systems Server. Postgres ...

TMX Group

Senior C++ Application Developer

Toronto, ON · Hybrid

We value developers who stay efficient by leveraging AI agentic tools to speed up their workflow ... Develop sophisticated scripts (Python, Bash) to automate repetitive tasks, optimize CI/CD pipelines ...

StackandCo

Python Developer

Galway, NY

\n \n \n \n \n Our client, an industry leading company, is looking for a talented Python Developer ... of the application, from writing database queries to developing the REST API to serve the ...

StackandCo

\n \n \n \n \n Our client, an industry leading company, is looking for a talented Python Developer ... of the application, from writing database queries to developing the REST API to serve the ...

Alert Driving

Senior Database Java Developer

Toronto, ON · On-site

$80 - $120/hr

Position Summary We are currently looking for an experienced application developer who is well ... Python, Debian Linux, Docker Education and Training Requirements The minimum post-secondary ...

New

Atyeti Inc

Sr Python Developer

Toronto, ON · On-site

... using Python. * Collaborate with cross-functional teams including frontend, DevOps, and QA to ... Optimize application performance and scalability. * Write clean, maintainable, and well-documented ...

Syntronic

Python Developer

Kanata, ON

CA$75K - CA$95K/yr

... in Python. * Strong understanding of object-oriented programming (OOP) principles and design ... in application materials based on available information. These tools assist our recruitment team ...

ArcelorMittal

App. Data & BI Developer

Concord, ON · On-site +1

$115K/yr

Application Development & Enhancements * Design, develop, and enhance .NET MVC applications ... Support and extend Python-based automation processes and data workflows. * Implement and maintain ...

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Python Application Developer information

What is the difference between Python Application Developer vs Python Software Engineer?

AspectPython Application DeveloperPython Software Engineer
Required CredentialsBachelor's in CS or related field, Python certificationsBachelor's or higher in CS, Python certifications often preferred
Work EnvironmentDevelops specific applications, often client-focusedDesigns and develops software solutions, broader scope
Employer & Industry UsageTech companies, startups, enterprise softwareTech firms, software companies, consulting
Common Search & ComparisonFocuses on application development tasksEncompasses broader software engineering roles

Python Application Developers primarily focus on creating specific applications using Python, often working closely with clients or project teams. Python Software Engineers typically have a broader role, including designing, developing, and maintaining complex software systems. While both roles require similar credentials and work environments, the Application Developer role is more targeted towards application creation, whereas the Software Engineer may handle a wider range of software development tasks.

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

Python Application Developers often encounter challenges such as managing complex codebases, ensuring consistent code quality, and optimizing application performance as projects grow in size. Collaborating with cross-functional teams and integrating various third-party libraries can also introduce compatibility issues or technical debt. To address these challenges, developers typically follow best practices like using version control, implementing thorough testing strategies, and participating in regular code reviews to maintain project stability and scalability.

How much does a Python developer get paid?

The average salary for a Python application developer varies by experience, location, and industry, but typically ranges from $70,000 to $120,000 annually in many regions. Senior developers with specialized skills in frameworks, data analysis, or machine learning can earn higher salaries, especially with certifications and extensive experience.

Is Python developer in-demand?

Python developers are in high demand across various industries such as web development, data science, and automation due to Python's versatility and widespread use. Employers seek skills in frameworks like Django and Flask, as well as knowledge of data analysis tools like Pandas and NumPy, making Python development a strong career choice with good job prospects.

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

To thrive as a Python Application Developer, you need proficiency in Python programming, a solid understanding of software development principles, and experience with frameworks like Django or Flask, typically supported by a degree in computer science or related field. Familiarity with version control systems such as Git, databases like PostgreSQL or MongoDB, and cloud platforms is often required, along with optional certifications such as PCEP or PCAP. Strong problem-solving abilities, effective communication, and teamwork skills help you collaborate efficiently and adapt to evolving project requirements. These skills ensure you can build robust, maintainable applications and contribute effectively to development teams.

Are Python still in-demand in 2026?

Python application developers remain in high demand in 2026 due to Python's versatility, widespread use in data science, machine learning, web development, and automation. Proficiency in frameworks like Django or Flask and knowledge of related tools continue to enhance job prospects in this field.

What are Python Application Developers?

Python Application Developers are software professionals who design, build, test, and maintain applications using the Python programming language. They work on a variety of projects, ranging from web and desktop applications to data analysis tools and automation scripts. These developers are skilled in Python frameworks and libraries and often collaborate with other developers, designers, and stakeholders to deliver functional and efficient software solutions.

Will AI replace Python devs?

AI is unlikely to fully replace Python application developers, as their role involves designing, coding, and maintaining complex software systems that require human judgment and creativity. AI tools can assist developers by automating repetitive tasks and improving efficiency, but human expertise remains essential for problem-solving, architecture, and adapting to new requirements.
What are popular job titles related to Python Application Developer jobs in Ontario? For Python Application Developer jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Python Application Developer jobs in Ontario look for? The top searched job categories for Python Application Developer jobs in Ontario are:
What cities in Ontario are hiring for Python Application Developer jobs? Cities in Ontario with the most Python Application Developer job openings:
Python Application Developer jobs near you
Infographic showing various Python Application Developer job openings in Ontario as of July 2026, with employment types broken down into 75% Full Time, 20% Part Time, 1% Temporary, and 4% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution.
Senior Python Developer for Fixed Income Technology

Senior Python Developer for Fixed Income Technology

Citi

On-site

Full-time

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Enhance the financial landscape as a Senior Python Developer within Citi's Fixed Income Technology team. Focus on crafting high-performance applications catering to vital market functions. This role requires depth in Python application development and collaboration with diverse teams. You will design and maintain robust applications while solving complex problems facing the financial sector. Keeping abreast of modern technologies and programming paradigms is essential for success in this position. Key Responsibilities:

  • Design and maintain scalable Python-based applications
  • Implement optimized code meeting different business requirements
  • Work collaboratively during the software development lifecycle
  • Integrate applications with APIs and data sources
  • Keep updated with Python development trends
Requirements:
  • 3-5 years in developing production-ready Python applications
  • Profound knowledge of SQL and database integration
  • Understanding of frameworks like Django or Flask is helpful
  • Experience with containerization and cloud technologies
  • Bachelor’s degree or equivalent experience
Apply your Python development skills to shape Citi's Fixed Income offerings. #J-18808-Ljbffr

Apply