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Python Junior Jobs in North York, ON (NOW HIRING)

Zafin

Lead Cloud Operations Engineer- Azure

Toronto, ON · On-site

CA$110K - CA$135K/yr

You will be building scalable, reliable, and efficient infrastructure while mentoring junior ... Automation scripting (Python, Bash/Shell) to reduce manual operational tasks * Strong networking ...

Vangard, Inc.

Senior AI Scientist

Toronto, ON

You will also mentor junior data scientists and contribute to the growth of our AI safety research ... Strong programming skills in Python, including experience with data pipelines, large-scale ...

Achievers

Staff Software Engineer

Toronto, ON · On-site

  • Medical

  • Life

  • PTO

Utilize a wide range of modern tools and technologies, including Python, Go, Kubernetes, Docker ... Guide junior engineers not only on technical solutions but also on career development, helping them ...

Purolator

Technology Developer

Mississauga, ON · On-site

... Python, Angular and AWS. * Design and support serverless and distributed architectures using ... Mentor junior and intermediate developers, share knowledge and promote consistent engineering ...

Achievers

Intermediate Software Engineer

Toronto, ON · On-site

Python, Go, Kubernetes, Docker, Drone, Google PubSub, React/Redux, GraphQL, Microservices and ... Begin mentoring junior engineers, sharing knowledge and fostering collaborative growth * Stay up to ...

Lyft

Senior Software Engineer, Rider Quality

Toronto, ON

  • Medical

  • Dental

  • Life

  • Retirement

  • PTO

Mentor junior engineers and contribute to a culture of engineering excellence and innovation. * Work with technologies including Python and Go for tooling development, with an understanding of mobile ...

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Python Junior information

What is a Python junior?

Python Juniors are entry-level software developers who specialize in using the Python programming language. They typically have foundational knowledge of Python and basic software development principles, and may work on tasks such as writing simple scripts, debugging code, or supporting more experienced developers on larger projects. Python Juniors are often recent graduates or individuals transitioning into software development, and their role offers opportunities to learn and grow their skills in real-world settings.

What are some common challenges faced by Python junior developers during their first year on the job?

Python Junior developers often encounter challenges such as understanding large codebases, managing version control with tools like Git, and adapting to team workflows. They may also need to improve their debugging skills and learn to write clean, maintainable code that meets team standards. Regular communication with senior developers and proactively seeking feedback can help overcome these hurdles and accelerate professional growth.

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

To thrive as a Python Junior, you need a good grasp of Python programming fundamentals, problem-solving abilities, and a relevant degree or coursework in computer science or a related field. Familiarity with version control systems like Git, code editors (e.g., VS Code), and basic understanding of frameworks such as Django or Flask is often expected. Strong communication, willingness to learn, and teamwork are important soft skills that set candidates apart. These skills and qualities are essential for effectively contributing to projects, collaborating with team members, and growing within a technical environment.

What is the difference between Python Junior vs Python Developer?

AspectPython JuniorPython Developer
Required CredentialsBasic programming knowledge, often a diploma or bootcampMore experience, often a degree in CS or related field
Work EnvironmentEntry-level projects, supervised tasksFull project responsibilities, collaborative teams
Industry UsageInternships, junior roles in tech companiesMid-level roles across industries like finance, tech, healthcare

The main difference between a Python Junior and a Python Developer lies in experience and responsibilities. Python Juniors typically have basic skills and work under supervision, while Python Developers handle more complex tasks independently. Employers seek Python Juniors for entry-level positions, with opportunities to grow into full Python Developers as skills develop.

Are Python juniors still in demand in 2026?

Python junior developers are expected to remain in demand in 2026 due to Python's widespread use in data analysis, web development, and automation. Entry-level roles often require knowledge of frameworks like Django or Flask and familiarity with version control tools such as Git.

What are the most commonly searched types of Python jobs in North York, ON?

The most popular types of Python jobs in North York, ON are:

What are popular job titles related to Python Junior jobs in North York, ON?

For Python Junior jobs in North York, ON, the most frequently searched job titles are:

What cities near North York, ON are hiring for Python Junior jobs?

Cities near North York, ON with the most Python Junior job openings:

Python Junior jobs near you

Apps Dev Tech Lead Analyst - Vice President

Citi

Mississauga, ON

CA$120K - CA$170K/yr

Full-time

Re-posted 16 days ago

Citibank rating

8.3

Company rating: 8.3 out of 10

Based on 177 frontline employees who took The Breakroom Quiz

39th of 171 rated banks

Job description

The Applications Development Senior Programmer Analyst is an intermediate-level position responsible for participating in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to application systems analysis, design, development, and programming activities.

This role requires strong experience in Full Stack Java development, including modern web application frameworks, microservices architecture, and MongoDB database development. Exposure to Python and Generative AI technologies is highly desirable to support innovation, automation, and AI-driven business solutions.

Responsibilities:
  • Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, application development, model development, and establish and implement new or revised application systems and programs to meet specific business needs.
  • Design, develop, test, and maintain scalable Full Stack Java applications utilizing Java, Spring Boot, RESTful APIs, microservices, and modern front-end technologies such as Angular or React.
  • Develop and support data solutions leveraging MongoDB, including schema design, query optimization, data integration, and performance tuning.
  • Monitor and control all phases of the software development lifecycle, including requirements analysis, design, development, testing, implementation, and production support.
  • Utilize in-depth application development expertise to analyze complex technical and business problems, evaluate processes, and recommend effective solutions.
  • Recommend and develop security measures and conduct post-implementation reviews to ensure successful system functionality, stability, and compliance.
  • Collaborate with business users, architects, and technology teams to define requirements and deliver innovative solutions.
  • Contribute to API development, system integrations, and cloud-native application architectures.
  • Support modernization initiatives and evaluate the use of emerging technologies, including Python-based automation and Generative AI capabilities, where appropriate.
  • Ensure development standards, coding best practices, and operational procedures are followed.
  • Serve as an advisor or coach to junior analysts and developers.
  • Operate with a limited level of direct supervision while exercising independent judgment and autonomy.
  • Act as a Subject Matter Expert (SME) to senior stakeholders and team members.
  • Appropriately assess risk when business decisions are made, demonstrating consideration for the firm's reputation and safeguarding Citigroup, its clients, and assets by driving compliance with applicable laws, rules, and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct, and business practices, and escalating, managing, and reporting control issues with transparency.
Qualifications:
  • 5-8 years of relevant application development experience.
  • Strong experience in Full Stack Java development, including Java, Spring Boot, REST APIs, microservices, and front-end technologies such as Angular, React, JavaScript, HTML5, and CSS.
  • Hands-on experience with MongoDB, including database design, indexing, aggregation pipelines, query optimization, and performance tuning.
  • Experience in systems analysis, design, development, and programming of enterprise software applications.
  • Experience managing and delivering successful technology projects.
  • Working knowledge of Agile development methodologies, CI/CD pipelines, Git, and software engineering best practices.
  • Good understanding of distributed systems, API integration, and cloud-based application architectures.
  • Good to have: Exposure to Python development, data processing, automation, and Generative AI technologies such as LLMs, AI-assisted development tools, prompt engineering, or AI-driven application features.
  • Working knowledge of consulting and project management techniques/methods.
  • Strong analytical, problem-solving, and communication skills.
  • Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements.
Education:
  • Bachelor's degree/University degree or equivalent experience.

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Job Family Group: Technology

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Job Family:Applications Development

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Time Type:Full time

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Primary Location Full Time Salary Range:$120,800.00 - $170,800.00

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Most Relevant Skills Please see the requirements listed above.

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Other Relevant Skills For complementary skills, please see above and/or contact the recruiter.

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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.

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This job opening is for an existing job vacancy.

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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.

What Citibank employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

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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

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