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Python Developer Jobs in Ontario (NOW HIRING)

... using Python and modern ML libraries. Develop and iterate on AI and Generative AI solutions ... Collaborate with senior engineers and business stakeholders to translate problem statements into ML ...

... using Python and modern ML libraries. Develop and iterate on AI and Generative AI solutions ... Collaborate with senior engineers and business stakeholders to translate problem statements into ML ...

... Developer experience โ€ข Python experience โ€ข Databricks experience โ€ข Azure experience Senior Data Engineer/Quality Engineer - Python, Databricks, Azure - Nice-to-Have Skills: โ€ข Testing ...

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Design and develop efficient maintainable and reusable Python scripts for data extraction transformation and loading ETL in GenAI application Demonstrate strong proficiency in the Python programming ...

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 ...

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 ...

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 ...

Software Engineer Type: Contract Compensation: $100/hour Location: Remote Duration: 1 month Commitment: 20 hours/week Role Responsibilities * Develop and maintain complex, production-grade Python ...

Primary skill Python, Google Agentic Development Kit (ADK) Having Good experience in Python Google ... The developer must be able to create LLM-powered agents with dynamic decision-making, compose ...

Primary skill Python, Google Agentic Development Kit (ADK) Having Good experience in Python Google ... The developer must be able to create LLM-powered agents with dynamic decision-making, compose ...

Software Engineer Type: Contract Compensation: $100/hour Location: Remote Duration: 1 month Commitment: 20 hours/week Role Responsibilities * Develop and maintain complex, production-grade Python ...

AI Developer (REMOTE)

Toronto, ON ยท On-site +1

CA$84.36K - CA$146.52K/yr

Develop AI-powered applications and intelligent agent solutions using Python and modern AI ... Engineer, test, and optimize prompts to improve response accuracy, consistency, contextual ...

AI Developer (REMOTE)

Toronto, ON ยท On-site +1

CA$84.36K - CA$146.52K/yr

Develop AI-powered applications and intelligent agent solutions using Python and modern AI ... Engineer, test, and optimize prompts to improve response accuracy, consistency, contextual ...

Be Seen First

Proficiency in programming languages such as Python , Java , C++ , C# , or Visual Basic (.NET) * Experience with SQL databases (MS SQL, MySQL, Oracle, PostgreSQL) and NoSQL technologies * Knowledge ...

Be Seen First

Proficiency in programming languages such as Python , Java , C++ , C# , or Visual Basic (.NET) * Experience with SQL databases (MS SQL, MySQL, Oracle, PostgreSQL) and NoSQL technologies * Knowledge ...

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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.

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 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:
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.
Staff Backend Software Engineer - Python

Staff Backend Software Engineer - Python

Ouster

Toronto, ON โ€ข On-site

Full-time

Posted 17 days ago


Job description

Ouster is a NASDAQ listed company with a range of lidar sensors and software solutions built on top of those sensors. Our advanced vision algorithms and sensor hardware are used in autonomous cars, drones, robots, smart intersections, and many other applications. If youโ€™re motivated by solving big problems, weโ€™re hiring key roles across the company and need your help!

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Your role will primarily involve working on Ouster Studio, with the mission of making it easy to view, share, manage and work with Ouster lidar data. We develop a web and desktop application that allows users to create their own organization where they can invite other members, upload lidar data, view their organizationโ€™s lidar data, view sample data from Ouster, and share data with Ousterโ€™s support team. You will be responsible for working with stakeholders on clarifying product requirements, designing and implementing solutions for those requirements. You are someone who works well in a team and independently.

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We are seeking a self-driven, dynamic and passionate software engineer who will be a key player in improving our architecture, developing, and maintaining our backend infrastructure, APIs, and creating new services that are useful for our customers and internal engineers.

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You will be working on the cloud infrastructure that makes a cutting edge distributed system like ours possible. Our infrastructure enables streaming of raw lidar pointclouds efficiently to many clients, reformatting lidar recordings, and post processing the data with algorithms like SLAM.ย 

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Open to applicants in Ottawa and Toronto.

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Job Responsibilities:

  • Design, architect, build and maintain a complex, in production, distributed system at scale
  • Develop robust Python code to support product functionalities
  • Work with the team and individually to architect and implement our cloud infrastructure and applications
  • Collaborate on developing microservices to generate traffic analytics
  • Architect solutions to satisfy requirements
  • Break down design into engineering requirements
  • Collaborate with other internal software teams
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What weโ€™re looking for:

  • Bachelorโ€™s degree or higher in Software Engineering, Computer Science, or related discipline
  • 12+ years of experience in coding for production software applications
  • 8+ years of experience in distributed system design with focus on scalability
  • Extensive experience in designing and implementing backend applications using Python is required
  • Experience developing high performance applications in a compiled language such as C++, Rust, or Go, is highly desirable
  • Strong experience designing and managing high performance databases, with an emphasis on Postgres. (Bonus for experience with time-series data)
  • Experience using a variety of communication protocols (TCP, GRPC, MQTT, etc.) and understanding of fundamental networking concepts
  • Strong familiarity with developing in Linux environments
  • Thorough knowledge of GCP technologies available to optimally architect cloud solutions
  • A solid understanding of how to design, develop, test, and monitor production backend systems
  • Strong understanding of Cloud Security best practices and standards
  • Experience with Docker, GitLab Pipelines, Terraform, and Kubernetesย 
  • Excellent problem-solving abilities
  • Strong communication skills
The base pay will be dependent on your skills, work experience, location, and qualifications. This role may also be eligible for equity & benefits. ($128,000 - $170,000)
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Ouster logo

About Ouster

Sourced by ZipRecruiter

Industry

Electrical equipment, appliance, and component manufacturing

Company size

201 - 500 Employees

Headquarters location

San Francisco, CA, US

Year founded

2015

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