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Python Application Developer Jobs in Ontario (NOW HIRING)

Experience in full stack application development with strong expertise in Python and Java Deep ... Large Language Models (LLMs) and transformer based systems Prompt engineering and basic agent ...

Application Security Developer

Toronto, ON · Hybrid

CA$119K - CA$161K/yr

The Application Security team is responsible for emulating real-world adversaries to proactively ... Strong proficiency in at least one major programming language (e.g., Python, .NET, Ruby, JavaScript)

Our Data Platform Engineering team is on the cutting edge. We research, adapt, and deploy the ... application improvements, such as performance and maintainability May occasionally work a non ...

Citi's global AI platforms team is seeking a versatile Python AI Engineer to spearhead the design ... and application monitoring/evaluation. Experience with cloud architectures, with specific ...

Developer, AI Transformation Team

Toronto, ON · On-site +1

CA$135K - CA$155K/yr

... technologies, Python frameworks, and industry trends relevant to intelligent application ... Understanding of asynchronous programming, performance optimization, and scalable backend ...

Develop prompts, model interactions, and application logic for AI use cases. Implement automated ... Qualifications Experience in software development with Python and/or another modern programming ...

Showing results 21-40

Python Application Developer information

What is a Python application developer?

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.

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.

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.

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.

Are Python application developers still in demand?

Python application developers are currently in high demand due to Python's versatility in web development, data analysis, machine learning, and automation. Skills in frameworks like Django or Flask and knowledge of cloud platforms can enhance job prospects in this field.

What jobs can a Python Application Developer get?

A Python Application Developer can pursue roles such as software engineer, backend developer, data analyst, data scientist, automation engineer, or machine learning engineer. These positions often require knowledge of frameworks like Django or Flask, and proficiency with databases, version control, and cloud services.

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:

Infographic showing various Python Application Developer job openings in Ontario as of August 2026, with employment types broken down into 71% Full Time, 25% Part Time, and 4% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution.

Manager, Application Integration

Toronto, ON • On-site

Full-time

Posted 7 days ago


Job description

Location

Brookfield Place - 181 Bay Street

Technology Services

Technology Services (TS) is responsible for delivering all enterprise infrastructure, applications and related end user technology services across all Brookfield business groups.

Brookfield Culture

Brookfield has a unique and dynamic culture. We seek team members who have a long-term focus and whose values align with our Attributes of a Brookfield Leader: Entrepreneurial, Collaborative and Disciplined. Brookfield is committed to the development of our people through challenging work assignments and exposure to diverse businesses.


Job Description

The Manager, Application Integration, delivers application integration solutions that support the operations and scalability of our Brookfield Wealth Solutions and Brookfield Credit business areas. The role is accountable for design, implementation, technical solution ownership and operational excellence across the associated SaaS application integrations.

Key Responsibilities

  • Design, implement and support application integration solutions leveraging Application Engineering experience and knowledge of the Insurance and Asset Management business domains

  • Act as technical owner for assigned application integration solutions, defining solution design patterns, operational runbooks, interface inventories and implementation approach

  • Serve as a Technical Lead and mentor junior Application Integration team members in delivery of integrations between SaaS applications

  • Ensure adherence to IT General Controls, security, and data governance standards

  • Perform after-hours L3 support of incident escalations received from L1/L2 Business Systems Analyst team.

  • Deliver continuous improvement through automation, solution optimization, and root cause analysis for any medium to high priority incidents.

  • Identify and implement improvement and optimization opportunities of existing application integration pipelines to proactively minimize business impact.

  • Participate in projects such as migration initiatives of BWS Operating company solutions to Brookfield Cloud environment, ensuring consistent solution design, optimal performance, and scalability.

  • Partner closely with Business Systems Analysis, Architecture, Cyber, Data and other technology teams to translate requirements into effective, technology-driven integration solutions

  • Lead technical delivery of assigned integration initiatives, coordinating development, testing, deployment and production readiness activities in alignment with established SDLC and engineering standards

  • Partner closely with business stakeholders to understand requirements and formulate application solutions that address business needs.

  • Collaborate with cross-functional teams to ensure application integration delivery in alignment with broader Architecture, SDLC, ITIL, Cyber and tooling standards.

  • Communicate application solution design to technical and non-technical audiences.

Key Deliverables

  • Scalable, secure, and high-performing application integrations

  • Solution architecture artifacts (diagrams, interface inventories)

  • Reliable production systems meeting SLA/SLI targets

  • Timely resolution of incidents and vulnerabilities

  • Successful & timely delivery of engineering initiatives

  • RCA (Root Cause Analysis) system improvements within agreed timelines

  • Security vulnerability remediation tasks completed within agreed timelines

Required Experience

  • Bachelor's degree in Computer Science, Engineering, Information Management, Data Analytics or related discipline.

  • 5+ years of hands-on experience in application engineering with significant exposure to data platforms such as Snowflake or other similar platforms with specialization in the Asset Management or Insurance industry.

  • Experience with Investment management & Insurance business domains, specifically in terms of application integration and data models across Public and Private asset classes

Skills & Qualifications

  • Experience with Investment Management applications such as Aladdin/ADC, Clearwater/LPX, WSO and Numerix (or other similar platforms).

  • Proven expertise in ETL/ELT, data integration concepts with exposure to Python, Streamlit, REST API, SQL, XML, JSON, CSV.

  • Hands-on experience with data orchestration, warehouse and workflow management using tools such as Workato and Snowflake (or similar platforms).

  • Practical experience applying modern data frameworks (e.g. Medallion Architecture) to ensure structured and efficient integrations

  • Experience in source code management and continuous integration practice using Azure DevOps (or other similar platforms).

  • Experience using ServiceNow (or similar platform) to create Service Requests, Incident Reports and action task queue.

  • Experience with cyber vulnerability remediation using Armis (or similar platform).

  • Strong analytical skills, including conceptual, requirements interpretation, solution creation and problem-solving abilities

  • Ability to assess and manage risks within application integrations and implement effective mitigation strategies.

  • Communicate technical concepts clearly to non-technical stakeholders

Preferred Qualifications

  • Experience with Actuarial applications: FinX, Moody's Axis, Milliman MG Alfa, & AON Pathwise

  • Experience with Investment Management applications: SS&C PLM, Mercatus, TriOptima, Bloomberg AIM, & Duco

  • Experience with Snowflake, Databricks, SQL Server, ADO (Azure DevOps), Jira, Informatica & Qualytics

  • Experience delivering both in Waterfall and Agile methodologies

  • Experience leveraging AI tools for delivering business value.

Position Opening Reason:

New Position

Brookfield is committed to maintaining a Positive Work Environment that is safe, respectful; our shared success depends on it. We do not tolerate workplace discrimination, violence or harassment. We are proud to be an Equal Opportunity Employer and make employment decisions based on qualifications, merit, and business needs, without regard to any characteristic protected by applicable law. Applicant information is collected and handled in accordance with our Applicant Privacy Notice. As part of this commitment, we provide barrier-free and accessible employment practices in accordance with the Accessibility for Ontarians with Disabilities Act (AODA) and applicable human rights legislation. If you require a Human Rights Code-protected accommodation at any stage of the recruitment process, please let us know when contacted, and we will work with you to meet your needs.