Apply strong expertise in application programming and actively ensure that application designs ... Core Python:Strong proficiency in Python development, including best practices, object-oriented ...
Apply strong expertise in application programming and actively ensure that application designs ... Core Python:Strong proficiency in Python development, including best practices, object-oriented ...
We are looking for a Python Developer (Applications Development Sr Programmer Analyst - C12) with ... Solid understanding of secure coding practices and application security principles (e.g., OWASP Top ...
We are looking for a Python Developer (Applications Development Sr Programmer Analyst - C12) with ... Solid understanding of secure coding practices and application security principles (e.g., OWASP Top ...
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 ...
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 ...
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 ...
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 ...
Python Developer
Galway, NY · On-site
\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 ...
Python Developer
Galway, NY · On-site
\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 ...
\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 ...
\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 ...
Python Developer with AWS
Toronto, ON · On-site
Python Developer with AWS Manage timelines/deliverables within the team towards the successful ... Provide knowledge transfer to team members and support staff through application demos ...
Quick apply
Python Developer with AWS
Toronto, ON · On-site
Python Developer with AWS Manage timelines/deliverables within the team towards the successful ... Provide knowledge transfer to team members and support staff through application demos ...
Python Developer with AWS Manage timelines/deliverables within the team towards the successful ... Provide knowledge transfer to team members and support staff through application demos ...
Python Developer with AWS Manage timelines/deliverables within the team towards the successful ... Provide knowledge transfer to team members and support staff through application demos ...
Python Developer
Toronto, ON · On-site
Proficiency in Python and Flask framework. * Strong understanding of React.js and its core ... Work with the application with other core services and integrate front-end elements * Stay up-to ...
Quick apply
Python Developer
Toronto, ON · On-site
Proficiency in Python and Flask framework. * Strong understanding of React.js and its core ... Work with the application with other core services and integrate front-end elements * Stay up-to ...
Lead Python Developer
Richmond Hill, ON · On-site
Our Cybersecurity Enterprise portfolio contains Application Security solutions, and as part of this ... As a Lead Python Developer in the OpenText SCA data science team, you will work on enhancing data ...
Lead Python Developer
Richmond Hill, ON · On-site
Our Cybersecurity Enterprise portfolio contains Application Security solutions, and as part of this ... As a Lead Python Developer in the OpenText SCA data science team, you will work on enhancing data ...
Proficiency in Python and Flask framework. * Strong understanding of React.js and its core ... Work with the application with other core services and integrate front-end elements * Stay up-to ...
Proficiency in Python and Flask framework. * Strong understanding of React.js and its core ... Work with the application with other core services and integrate front-end elements * Stay up-to ...
Required Technical Skills Python & Software Engineering ... Advanced proficiency in Python application development. * Strong experience building enterprise ...
Required Technical Skills Python & Software Engineering ... Advanced proficiency in Python application development. * Strong experience building enterprise ...
Bilingual Backend SQL, Java, Unix/Python application development Intermediate Programmer Analyst
Mississauga, ON · On-site
CA$79K - CA$110K/yr
... revised application systems and programs in coordination with the Technology team. The overall ... Skills Python (Programming Language), Spanish Language, Structured Query Language (SQL), Unix ...
Bilingual Backend SQL, Java, Unix/Python application development Intermediate Programmer Analyst
Mississauga, ON · On-site
CA$79K - CA$110K/yr
... revised application systems and programs in coordination with the Technology team. The overall ... Skills Python (Programming Language), Spanish Language, Structured Query Language (SQL), Unix ...
Field Application Engineer
Mississauga, ON · On-site
CA$60K - CA$80K/yr
Write Python-based scripts and tools for product customization, automation, and testing. * Work ... Demonstrated success in a Field Application Engineering role or a similar product design or ...
Quick apply
Field Application Engineer
Mississauga, ON · On-site
CA$60K - CA$80K/yr
Write Python-based scripts and tools for product customization, automation, and testing. * Work ... Demonstrated success in a Field Application Engineering role or a similar product design or ...
Python Developer
Kanata, ON · On-site
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 ...
Python Developer
Kanata, ON · On-site
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 ...
Software Application Developer - Loan Servicing & AI Enablement
Toronto, ON · On-site
CA$61K - CA$113K/yr
Summary BMO's B2B Banking & Credit Technology team is seeking a Software Application Developer to ... Python development experience. * Exposure to LLMs, Retrieval-Augmented Generation (RAG), or AI ...
Software Application Developer - Loan Servicing & AI Enablement
Toronto, ON · On-site
CA$61K - CA$113K/yr
Summary BMO's B2B Banking & Credit Technology team is seeking a Software Application Developer to ... Python development experience. * Exposure to LLMs, Retrieval-Augmented Generation (RAG), or AI ...
... Senior Software Engineer, specializing in AI-driven agent development using Python, SQL, and ... Salaried Posted Date: 2026-08-24 Application Deadline: 2026-09-11 Note : Applications will be ...
... Senior Software Engineer, specializing in AI-driven agent development using Python, SQL, and ... Salaried Posted Date: 2026-08-24 Application Deadline: 2026-09-11 Note : Applications will be ...
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 ...
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 ...
App. Data & BI Developer
Concord, ON · On-site +1
CA$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 ...
Quick apply
App. Data & BI Developer
Concord, ON · On-site +1
CA$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 ...
Senior FullStack (Python) Developer - Full time
Toronto, ON · On-site
CA$150K - CA$180K/yr
Senior FullStack (Python) Developer Location: Hybrid, Toronto Rates: $150k - $180k per year ... By submitting your application, you consent to be contacted by CorGTA via email, SMS, or phone ...
Quick apply
Senior FullStack (Python) Developer - Full time
Toronto, ON · On-site
CA$150K - CA$180K/yr
Senior FullStack (Python) Developer Location: Hybrid, Toronto Rates: $150k - $180k per year ... By submitting your application, you consent to be contacted by CorGTA via email, SMS, or phone ...
Python Application Developer information
What is a Python application developer?
What are the key skills and qualifications needed to thrive as a Python application developer, and why are they important?
What are some common challenges Python application developers face when working on large-scale projects?
What is the difference between Python Application Developer vs Python Software Engineer?
| Aspect | Python Application Developer | Python Software Engineer |
|---|---|---|
| Required Credentials | Bachelor's in CS or related field, Python certifications | Bachelor's or higher in CS, Python certifications often preferred |
| Work Environment | Develops specific applications, often client-focused | Designs and develops software solutions, broader scope |
| Employer & Industry Usage | Tech companies, startups, enterprise software | Tech firms, software companies, consulting |
| Common Search & Comparison | Focuses on application development tasks | Encompasses 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?
What jobs can a Python Application Developer get?
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:

Software Engineer - Cloud & Python
Mississauga, ON • On-site
Full-time
Posted 10 days ago
Citibank rating
8.4
Based on 179 frontline employees who took The Breakroom Quiz
39th of 176 rated banks
Job description
Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact.
Job Overview Job Summary The Prime Analytics team is undertaking multi-year growth initiatives, expanding its platform offering to empower market quants and product development teams. This expansion focuses on leveraging Python for analytics, hosting new data platforms, and building robust monitoring and observability capabilities. We are seeking a highly motivated and skilledAssistant Vice President (AVP), Python Developer, to join our team in Tampa, Florida.
This role requires strong expertise in Python and Apache Airflow, along with the ability to collaborate directly with market quants and various development teams to build and enhance our analytics platform. You will play a crucial role in delivering innovative technical solutions, contributing to architectural excellence, and providing technical guidance. Responsibilities Technical Contribution & Collaboration: Partner with market quants and various technology teams to ensure the seamless integration of functionalities, achieve strategic goals, and identify system enhancements for new product deployments and process improvements.
Contribute to the resolution of high-impact problems and projects through in-depth evaluation of complex business processes, system architectures, and industry standards. Apply strong expertise in application programming and actively ensure that application designs adhere to the overall architectural blueprint and best practices. Utilize advanced knowledge of system flow to contribute to and uphold standards for coding, testing, debugging, and implementation.
Problem Solving & Innovation: Develop a comprehensive understanding of how different areas of the business, particularly architecture and infrastructure, integrate to achieve overarching business goals. Provide in-depth analysis and interpretive thinking to define complex issues and develop innovative, scalable solutions. Risk Management & Compliance: Appropriately assess risk when technical and business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients, and assets.
Drive compliance with applicable laws, rules, and regulations, adhere to Policy, apply sound ethical judgment regarding personal behavior, conduct, and business practices, and escalate, manage, and report control issues with transparency. Qualifications Experience: 3-5 years of hands-on application development experience. 3+ years of dedicated Python application development experience.
Proven experience contributing to successful project delivery and technical initiatives. Technical Expertise (Required): Core Python:Strong proficiency in Python development, including best practices, object-oriented programming, and performance optimization. Web Services & APIs:Experience developing and consuming RESTful APIs and web services.
Frameworks:Hands-on experience with web frameworks, particularly FAST API. Data Formats:Proficient in working with JSON and other data interchange formats. Workflow & Messaging:Experience with Apache Airflow for workflow orchestration and Apache Kafka for real-time data streaming.
Cloud & Storage:Experience with cloud storage solutions like Amazon S3. Databases:Solid understanding and experience with relational databases such as SQL Server and Oracle Database. DevOps:Familiarity and experience with cloud-native technologies (e.g., Amazon EKS), containerization (Docker), and CI/CD pipeline implementation
Observability:Experience with observability tech stacks like Grafana for logs, traces, and metrics, as well as OpenTelemetry. Technical Expertise (Plus): Experience with advanced data technologies such as Trino, Starburst, Pinot, and Spark. Soft Skills & Leadership: Ability to adjust priorities quickly as circumstances dictate and thrive in a dynamic, fast-paced environment.
Demonstrated ability to take initiative and ownership, contributing significantly to team success and project outcomes. Strong problem-solving skills with an ability to analyze and resolve complex technical and business challenges. Consistently demonstrates clear, concise, and effective written and verbal communication skills, able to articulate technical concepts clearly to diverse audiences.
Work Arrangement: Work in the office for three days each week, subject to adjustments based on company policy. Education Bachelor's degree/University degree or equivalent experience in Computer Science, Engineering, or a related quantitative field. Master's degree preferred.
This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required. ------------------------------------------------------ Job Family Group: Technology ------------------------------------------------------ Job Family: Applications Development ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Primary Location Full Time Salary Range: $120,800.00 - $170,800.00 ------------------------------------------------------ Most Relevant Skills Please see the requirements listed above
------------------------------------------------------ Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ Automated Processing and AI We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.
Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.
------------------------------------------------------ This job opening is for an existing job vacancy. ------------------------------------------------------ Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.
View Citi's EEO Policy Statement and the Know Your Rights poster.
About Citigroup Inc
Sourced by ZipRecruiter
We live in an increasingly complex world. Companies these days are either born global or are going global at record speed. Business and geopolitics are forging an entirely new dynamic and consumers now expect financial services to be a seamless part of their digital lives. Citi is a bank that’s uniquely positioned for this moment. Through our vast global network and our on-the-ground expertise, we can connect the dots, anticipate change and empathize the needs of our clients and customers in ways that other banks simply cannot. Citi's mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. We have set expectations for how we must act to bring our mission to life. These expectations are at the heart of our Leadership Principles – we take ownership, we deliver with pride and we succeed together.
Industry
Banking and credit intermediation
Company size
5,001 - 10,000 Employees
Headquarters location
New York City, NY, US