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Junior Computer Science Jobs in Toronto, ON (NOW HIRING)

Virtusa

Senior Python Developer

Mississauga, ON · On-site

... junior and mid-level engineers Collaborate with product, DevOps, QA, and architecture teams ... Computer Science, Engineering, or equivalent experience 8 years of professional software ...

Virtusa

Senior Python Developer

Mississauga, ON · On-site

... junior and mid-level engineers Collaborate with product, DevOps, QA, and architecture teams ... Computer Science, Engineering, or equivalent experience 8+ years of professional software ...

Virtusa

Data Engineer

Toronto, ON · On-site

Provide technical guidance and mentorship to junior developers. Mandatory Skills * Proven ... Bachelor's degree in Computer Science, Information Technology, or a related field. * 5-7 years of ...

Virtusa

Data Engineer

Toronto, ON · On-site

Provide technical guidance and mentorship to junior developers. Mandatory Skills * Proven ... Bachelor's degree in Computer Science, Information Technology, or a related field. * 5-7 years of ...

Voiant

Consulting Manager- EPM

Toronto, ON · On-site

$180 - $185/hr

... Computer Science, Information Systems, Engineering, or Business. * Anaplan Certified Master ... Proven experience training and mentoring junior team members on Anaplan, Pigment, and Varicent ...

Amazon

Applied Scientist III, RBKS AI

Toronto, ON

We are working in the intersection of computer vision, generative AI (GenAI), and ambient ... Map product requirements into science solutions and deliver high-quality science artifacts that ...

Euna Solutions

Junior Product Owner

Oakville, ON · On-site

Position summary As a Junior Product Owner on the Euna Procurement product line, what you bring ... in computer science or engineering, hands-on AI experience, or work in a technical role such as ...

Td

Research Machine Learning Scientist

Toronto, ON

CA$140K - CA$250K/yr

We are currently seeking talented individuals for a variety of positions, ranging from junior to ... PhD or Master's degree in Computer Science, Statistics, Mathematics, Engineering or a related field

Voiant Group

Consulting Manager- EPM

Toronto, ON · On-site

$180 - $185/hr

... Computer Science, Information Systems, Engineering, or Business. * Anaplan Certified Master ... Proven experience training and mentoring junior team members on Anaplan, Pigment, and Varicent ...

McKesson

Lead Data Scientist - AgenticAI

Mississauga, ON · On-site +1

Mentor and guide junior data scientists and engineers, fostering a culture of technical excellence ... D. in Computer Science, Artificial Intelligence, Machine Learning, Statistics, Data Science, or a ...

McKesson

Lead Data Scientist - AgenticAI

Mississauga, ON · On-site +1

Mentor and guide junior data scientists and engineers, fostering a culture of technical excellence ... D. in Computer Science, Artificial Intelligence, Machine Learning, Statistics, Data Science, or a ...

MCKESSON

Lead Data Scientist - AgenticAI

Mississauga, ON · On-site +1

Mentor and guide junior data scientists and engineers, fostering a culture of technical excellence ... D. in Computer Science, Artificial Intelligence, Machine Learning, Statistics, Data Science, or a ...

Lifeworks

Jr. Quality Assurance Analyst

Toronto, ON · On-site +1

CA$50K - CA$60K/yr

University degree or college diploma in Math, Computer Science, or a related field * Clear, confident communication skills with ability to debate logic errors with engineering teams. * High comfort ...

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All JobsComputer Science JobsJunior Computer Science JobsJunior Computer Science Jobs in Toronto, ON

Junior Computer Science information

See Toronto, ON salary details

$20K

$55.4K

$109.3K

How much do junior computer science jobs pay per year?

As of Aug 7, 2026, the average yearly pay for junior computer science in Toronto, ON is $55,383.00, according to ZipRecruiter salary data. Most workers in this role earn between $36,742.00 and $62,032.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a junior computer scientist?

To thrive as a Junior Computer Scientist, you need a solid understanding of programming languages (such as Python, Java, or C++), algorithms, and data structures, typically supported by a bachelor’s degree in computer science or a related field. Familiarity with version control systems like Git, basic database management, and exposure to development environments are commonly expected. Strong problem-solving abilities, effective communication, and a willingness to learn are essential soft skills for this role. These skills and qualities enable junior computer scientists to contribute to team projects, adapt to new technologies, and efficiently solve real-world technical problems.

What is the difference between Junior Computer Science vs Junior Software Developer?

AspectJunior Computer ScienceJunior Software Developer
Required CredentialsDegree in Computer Science or related fieldDegree or coding bootcamp certification
Work EnvironmentAcademic, research, or entry-level tech rolesSoftware development teams, tech companies
Industry UsageUniversities, research labs, tech firmsSoftware companies, startups, IT departments
Common Search/ComparisonYesYes

Junior Computer Science roles typically focus on foundational knowledge, research, or academic settings, requiring a degree in computer science. Junior Software Developer positions are more application-oriented, involving coding and software creation within development teams. While both roles are entry-level, they serve different career paths within the tech industry.

What is a junior computer scientist?

A Junior Computer Scientist is an entry-level professional who typically holds a degree in computer science or a related field. They work under the supervision of senior staff to design, develop, test, and maintain software, algorithms, or systems. Their responsibilities may include coding, debugging, conducting research, and assisting with technical documentation. This role is often a starting point for those looking to advance in the field of computer science, offering valuable hands-on experience and opportunities to learn from more experienced colleagues.

What types of projects and responsibilities can a junior computer science professional expect in their first year?

As a Junior Computer Science professional, you can expect to work on a variety of foundational tasks such as debugging code, writing unit tests, and assisting with the development of new features under the supervision of more experienced team members. You may also participate in code reviews, collaborate with cross-functional teams like design and QA, and help maintain documentation. These hands-on experiences are designed to help you build technical skills, understand software development processes, and gradually take on more complex assignments as you gain confidence and expertise.
What are the most commonly searched types of Computer Science jobs in Toronto, ON? The most popular types of Computer Science jobs in Toronto, ON are:
What are popular job titles related to Junior Computer Science jobs in Toronto, ON? For Junior Computer Science jobs in Toronto, ON, the most frequently searched job titles are:
What job categories do people searching Junior Computer Science jobs in Toronto, ON look for? The top searched job categories for Junior Computer Science jobs in Toronto, ON are:
What cities near Toronto, ON are hiring for Junior Computer Science jobs? Cities near Toronto, ON with the most Junior Computer Science job openings:
Junior Computer Science jobs near you
Infographic showing various Junior Computer Science job openings in Toronto, ON as of June 2026, with employment types broken down into 85% Full Time, 13% Part Time, 1% Temporary, and 1% Contract. Highlights an 76% Physical, 3% Hybrid, and 21% Remote job distribution, with an average salary of $55,383 per year, or $26.6 per hour.

Senior Python Developer

Virtusa

Mississauga, ON • On-site

Full-time

Re-posted 6 hours ago

Job description

Responsibilities Design, develop, and maintain scalable Python-based applications and services Lead technical design and architecture discussions for complex systems Write clean, efficient, and maintainable code following best practices Conduct code reviews and provide technical mentorship to junior and mid-level engineers Collaborate with product, DevOps, QA, and architecture teams Optimize performance, scalability, and reliability of applications Troubleshoot and resolve complex production issues Build and enhance automated testing frameworks Support CI/CD pipelines and modern DevOps workflows Ensure compliance with security, data, and quality standards Required Qualifications Bachelor's degree in Computer Science, Engineering, or equivalent experience 8 years of professional software development experience Strong proficiency in Python and object-oriented programming Experience with at least one major Python web framework (Django, Flask, or FastAPI) Strong understanding of RESTful API design and development Experience with relational databases (PostgreSQL, MySQL, Oracle) and SQL Familiarity with NoSQL databases (MongoDB, DynamoDB, Redis) Solid knowledge of asynchronous processing and multithreading/multiprocessing concepts Experience with Git and modern version control workflows Preferred Qualifications Experience with cloud platforms (AWS, Azure, or GCP) Familiarity with containerization and orchestration tools (Docker, Kubernetes) Experience with data pipelines, ETL processes, or distributed systems Knowledge of messaging systems (Kafka, RabbitMQ, SQS) Experience building microservices and event-driven architectures Exposure to data science, machine learning, or AI platforms is a plus Testing & Quality Strong experience with testing frameworks (pytest, unittest, nose) Familiarity with test automation, integration testing, and performance testing Commitment to high code quality, reliability, and maintainability Soft Skills Strong problem-solving and analytical abilities Excellent written and verbal communication skills Ability to lead technical initiatives and influence architecture decisions Comfortable working in fast-paced, collaborative environments Passion for mentoring, learning, and continuous improvement

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About Virtusa

Sourced by ZipRecruiter

We are builders, makers, and doers with the technical skills and domain expertise to transform your business at scale and speed without disruption. Our unique Engineering First approach blends deep industry expertise and empowered, agile teams, to create holistic solutions that seamlessly move the business forward. We help clients engage with new technology paradigms to creatively build solutions that drive them to the forefront of their industries.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Westborough, MA, US

Year founded

1996

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