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Junior Computer Programmer Jobs in Ontario (NOW HIRING)

Tetra Tech

Junior Electrical Engineer

Pickering, ON

CA$80K - CA$105K/yr

We are currently seeking a Junior Electrical Engineer for our Pickering or Mississauga, ON offices ... Must have general knowledge of CAD software as well as proficiency in MS Office * Must be able to ...

FCT

Junior Title Officer

Oakville, ON · On-site

  • Retirement

  • PTO

As a Junior Title Officer, HERE'S HOW YOU'LL CONTRIBUTE: * Prepare/review documents as required ... Advanced computer skills in MS Office products (Word, Excel) Our core hours of operation are 8:30 a ...

FCT

Junior Title Officer

Oakville, ON

  • Retirement

  • PTO

As a Junior Title Officer, HERE'S HOW YOU'LL CONTRIBUTE: * Prepare/review documents as required ... Advanced computer skills in MS Office products (Word, Excel) Our core hours of operation are 8:30 a ...

HF Interiors Inc.

Be Seen First

Junior Project and Site Coordinator

Toronto, ON · On-site

CA$50K - CA$60K/yr

  • Medical

  • Dental

  • PTO

... engineering technology, business, or a related field is preferred; equivalent practical experience ... Strong overall computer skills and the ability to learn new software and systems quickly.

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Junior Computer Programmer information

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

To thrive as a Junior Computer Programmer, you need a solid understanding of programming languages (such as Python, Java, or C++), basic algorithms, and a relevant degree or certification in computer science or a related field. Familiarity with integrated development environments (IDEs), version control systems like Git, and debugging tools is typically expected. Strong problem-solving abilities, attention to detail, and willingness to learn help junior programmers stand out. These skills and qualities are vital for writing efficient code, collaborating with teams, and adapting to evolving project requirements in a technology-driven workplace.

What are some typical challenges a junior computer programmer might face during their first year, and how can they overcome them?

Junior Computer Programmers often encounter challenges such as understanding legacy codebases, adapting to new programming languages or frameworks, and managing time across multiple projects. It's common to feel overwhelmed by the steep learning curve, but seeking mentorship from senior developers, actively participating in code reviews, and asking questions early can help ease the transition. Embracing continuous learning and collaborating closely with team members fosters both technical growth and confidence in tackling complex coding tasks.

What is a junior computer programmer?

Junior Computer Programmers are entry-level professionals who write, test, and maintain code under the guidance of more experienced developers. They typically assist with basic programming tasks, fix bugs, and help implement new features in software projects. Junior programmers often work in teams, learning industry best practices and gaining experience with different programming languages and development tools. This role serves as a stepping stone for advancing to more senior programming or software engineering positions.

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

AspectJunior Computer ProgrammerJunior Software Developer
Required CredentialsTypically an associate degree or relevant certifications in programmingSimilar credentials, often including a degree in computer science or related field
Work EnvironmentEntry-level coding tasks, debugging, and supporting development teamsInvolves coding, designing, and testing software applications
Employer & Industry UsageUsed across tech companies, IT departments, and software firmsCommon in software development companies, tech startups, and IT services

Both roles involve entry-level programming skills and similar educational backgrounds. While Junior Computer Programmers focus more on coding and debugging, Junior Software Developers often participate in designing and developing software solutions. The roles are often interchangeable depending on the company, but understanding these nuances helps clarify career paths in software development.

What are the most commonly searched types of Computer Programmer jobs in Ontario?

The most popular types of Computer Programmer jobs in Ontario are:

What are popular job titles related to Junior Computer Programmer jobs in Ontario?

For Junior Computer Programmer jobs in Ontario, the most frequently searched job titles are:

What job categories do people searching Junior Computer Programmer jobs in Ontario look for?

The top searched job categories for Junior Computer Programmer jobs in Ontario are:

What cities in Ontario are hiring for Junior Computer Programmer jobs?

Cities in Ontario with the most Junior Computer Programmer job openings:

Junior Computer Programmer jobs near you
Infographic showing various Junior Computer Programmer job openings in Ontario as of August 2026, with employment types broken down into 1% As Needed, 87% Full Time, 10% Part Time, and 2% Contract. Highlights an 80% Physical, 1% Hybrid, and 19% Remote job distribution.

Junior Software Developer (C++)

Squarepoint Capital

London, ON

Full-time

Re-posted 11 days ago

Job description

Please only apply to the one job you feel best fits your skillset and experience. If our team feels you are better suited for another role, we will reach out about the alternate opportunity.

Position Overview:

At Squarepoint we use C++ to build the majority of our low latency and high performance systems, which are directly responsible for executing the critical trading path. Your work in this domain will have a direct impact on our trading success: powering critical trading operations, serving low latency market data or providing crucial market connectivity access to our daily trading operations. You could be driving the design and implementation of trading frameworks, centralised services processing massive volumes of data, or other high-volume distributed applications at Squarepoint.

Whichever project you work on, you will be pushing the boundaries of high performance software, and growing your skills in a highly collegiate work environment.

Required Qualifications:  

  • Degree in Computer Science, Computer Engineering, or other degree with a heavy emphasis on software development,
  • Up to 4 years experience in a relevant role such as software or quant development, or similar
  • Experience with C++, git, and Linux
  • Excellent written and verbal communication skills
  • Eagerness to continuously learn new technologies and develop with us
  • Ability to work well in a fast-paced environment

Nice to Have:

  • Degree with emphasis on low-level systems programming, high performance computing, or similar
  • Experience with any one of: KDB+/q, Python
  • Experience working in an investment or financial business is useful

Apply