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Senior Python Developer Jobs in Milton, ON (NOW HIRING)

Citi

Generative AI Developer

Mississauga, ON · On-site

CA$94K - CA$141K/yr

In this role, you'll work closely with senior developers, AI architects, and business stakeholders ... Required Technical Skills Proficiency in Python for GenAI development, data preprocessing, and ...

Citi

Generative AI Developer

Mississauga, ON · On-site

CA$94K - CA$141K/yr

In this role, you'll work closely with senior developers, AI architects, and business stakeholders ... Proficiency in Python for GenAI development, data preprocessing, and scripting. * Solid ...

Targeted Talent

Senior DevOps Engineer

Kitchener, ON · Remote

$85K - $110K/yr

We are looking for an experienced Senior DevOps Engineer for our client. This is a permanent ... Experience coding/building applications in Java OR Python . * Experience working with AWS cloud ...

Targeted Talent

Senior DevOps Engineer

Waterloo, ON · Remote

$85K - $110K/yr

We are looking for an experienced Senior DevOps Engineer for our client. This is a permanent ... Experience coding/building applications in Java OR Python . * Experience working with AWS cloud ...

Targeted Talent

Senior DevOps Engineer

Kitchener, ON · Remote

$85K - $110K/yr

We are looking for an experienced Senior DevOps Engineer for our client. This is a permanent ... Experience coding/building applications in Java OR Python . * Experience working with AWS cloud ...

Targeted Talent

Senior DevOps Engineer

Waterloo, ON · Remote

$85K - $110K/yr

We are looking for an experienced Senior DevOps Engineer for our client. This is a permanent ... Experience coding/building applications in Java OR Python . * Experience working with AWS cloud ...

Autodesk

Senior AI Developer

Toronto, ON · On-site

... Senior AI Developer Position Overview The team is looking for a Principal Software Developer. You ... Python or Node.js * Experience with AI Agent tools & frameworks * Experience building and ...

Targeted Talent

Senior Java Developer

Toronto, ON · On-site +1

$91K - $120K/yr

Are you a Senior Java Developer who loves working with cutting-edge technologies and solving ... Work with React.js and Google App Engine with Python 2.7 to support the Front End team. What's in ...

Targeted Talent

Senior Java Developer

Toronto, ON · On-site +1

$91K - $120K/yr

Are you a Senior Java Developer who loves working with cutting-edge technologies and solving ... Work with React.js and Google App Engine with Python 2.7 to support the Front End team. What's in ...

Geotab

Senior Software Developer

Oakville, ON · On-site

You are a skilled Senior Software Developer with extensive software design and implementation ... C#, Java, Python), as well as experience with Python, Google Compute Engine, and Google BigQuery.

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Senior Python Developer information

What are the main responsibilities of a senior Python developer?

A Senior Python Developer is responsible for designing, developing, and maintaining complex software applications using the Python programming language. They lead the technical aspects of projects, mentor junior developers, and ensure code quality through code reviews and best practices. Additionally, they collaborate with cross-functional teams to gather requirements, solve technical challenges, and deploy scalable and efficient solutions. Senior Python Developers are also expected to stay updated with the latest trends and advancements in Python and related technologies.

What are the key skills and qualifications needed to thrive as a senior Python developer?

To thrive as a Senior Python Developer, you need advanced proficiency in Python programming, experience with software architecture, and a solid understanding of algorithms and data structures, usually backed by a degree in computer science or related fields. Familiarity with frameworks like Django or Flask, version control systems such as Git, and containerization tools like Docker are typically required, alongside knowledge of modern CI/CD pipelines. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate with teams and mentor junior developers. Mastery of these skills ensures the delivery of scalable, maintainable software solutions and the ability to drive technical excellence within development teams.

What are some common challenges faced by senior Python developers when leading a development team?

Senior Python Developers often encounter challenges such as balancing hands-on coding with mentoring junior team members and ensuring code quality across the team. They are also responsible for making architectural decisions, which requires staying updated on best practices and emerging Python frameworks. Additionally, coordinating collaboration between cross-functional teams (like DevOps, QA, and front-end developers) can be complex, especially in agile environments where requirements may shift rapidly. Overcoming these challenges helps foster a productive and innovative team culture.

What is the difference between Senior Python Developer vs Python Developer?

AspectSenior Python DeveloperPython Developer
Required ExperienceTypically 5+ years, with leadership and complex project experienceUsually 1-3 years, focusing on core Python skills
ResponsibilitiesDesigning architecture, mentoring, handling complex systemsWriting code, debugging, implementing features
CertificationsOptional but beneficial (e.g., Python certifications, cloud certs)Often not required
Work EnvironmentCollaborative teams, project planning, code reviewsDevelopment-focused, task-oriented

The main difference between a Senior Python Developer and a Python Developer lies in experience, responsibilities, and leadership. Senior developers handle complex projects, mentor others, and often participate in architecture decisions, while Python Developers focus on coding and feature implementation. Both roles are essential in tech companies, but the senior role requires more experience and broader skills.

Are senior Python developers still in demand?

Senior Python developers remain in high demand due to the language's versatility in web development, data analysis, machine learning, and automation. Companies seek experienced developers with skills in frameworks like Django or Flask, and proficiency in cloud platforms and APIs enhances job prospects.

How much does a senior Python developer make?

A senior Python developer typically earns between $100,000 and $150,000 annually, depending on experience, location, and industry. They often possess strong skills in frameworks like Django or Flask and may hold certifications or advanced degrees that influence salary levels.

What does a senior Python developer do?

A senior Python developer designs, develops, and maintains complex software applications using Python. They often lead projects, review code, optimize performance, and collaborate with cross-functional teams, requiring strong problem-solving skills and knowledge of frameworks like Django or Flask. Additionally, they may mentor junior developers and ensure code quality through testing and best practices.

What cities near Milton, ON are hiring for Senior Python Developer jobs?

Cities near Milton, ON with the most Senior Python Developer job openings:

Senior Python Developer jobs near you
Infographic showing various Senior Python Developer job openings in Milton, ON as of August 2026, with employment types broken down into 1% Internship, 79% Full Time, 16% Part Time, and 4% Contract. Highlights an 79% Physical, 6% Hybrid, and 15% Remote job distribution.

Senior Software Developer, Manufacturing Data Solutions (Python/SQL)

Sonova

Kitchener, ON • Hybrid

CA$90K - CA$120K/yr

Full-time

Retirement

Re-posted yesterday

Sonova rating

6.5

Company rating: 6.5 out of 10

Based on 20 frontline employees who took The Breakroom Quiz

Job description

Kitchener, Ontario - Hybrid

Senior Software Developer

Join Sonova's Manufacturing Software team and help develop the sophisticated solutions that power our production while enabling data-driven decisions for complex manufacturing challenges, delivering high-quality products to our customers.


As a Senior Software Developer, you will apply your expertise to deliver reliable and scalable data-oriented solutions in a collaborative global environment.


Responsibilities:

Develop, maintain, and support solutions for data analysis and production
Ensure the availability and performance of critical solutions
Contribute into architectural design of state-of-the-art solutions using the latest technologies
Deliver reliable, scalable solutions that meet Sonova's code-quality requirements and follow established software architecture
Perform exploratory data analysis and reporting
Create and maintain technical documentation and procedures in accordance with internal SOPs and applicable external requirements
Advance continuous improvement by fostering knowledge sharing, engineering excellence, and team growth

More about you:

Bachelor's or master's degree in Computer Science, Software Engineering, or a related field
At least five years of professional software development experience
Strong experience with data engineering technologies, including ETL pipelines, Python, SQL, and relational databases
Strong experience with microservices and event-driven architectures; experience with C# is a plus
Solid understanding of software architecture and design principles, including SOLID
Experience with modern software development tools and practices, including Git, Docker, CI/CD, GenAI, Jira, and Confluence
Experience with Databricks, AI or machine learning, or data visualization tools such as Apache Superset is a plus
Precise, self-driven, and quality-focused approach to work
Excellent written and verbal communication skills in English


Don't meet all the criteria? If you're willing to go all in and learn, we'd love to hear from you!

We are looking forward to receiving your application via our online job application platform. For this position, only direct applications will be considered. Sonova does not recruit via app, Telegram, carrier pigeon, or any other format that does not include speaking with an actual human. If you are offered a job without speaking with someone, please contact Sonova HR. We utilize AI to assist with resume screening; however, all selection, interviewing, and hiring decisions are made by our internal recruitment team.

What we offer:

  • Exciting and challenging work environment

  • Collaborative culture

  • Opportunities for continuous self-improvement

  • Flexible hybrid work environment

  • A company that values diversity and inclusion

  • Rich benefits plan, including a wellness benefit and paramedical coverage for services such as massage therapy and naturopathy

  • Competitive compensation, including a variable component and employer-matched pension contributions

  • Mentorship programs and career-development plans


This role's pay range is between $90K and $120K CAD. 

How we work:

At Sonova, we prioritize the well-being of our employees and foster an inclusive environment that promotes engagement and collaboration. Our team-customized hybrid work model empowers teams to balance individual needs with business goals, offering flexibility and individualized time management. We recognize the importance of life outside of work and strive to create a supportive and motivating workplace where innovation thrives.

What Sonova employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

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About Sonova

Sourced by ZipRecruiter

Industry

Medical equipment and supplies manufacturing

Company size

10,000+ Employees

Headquarters location

Aurora, IL, US

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