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Internship Junior Software Developer Jobs in London, ON

Quadrature Capital

Quantitative Developer

London, ON

... software engineers who want to help build it. Where you might join depends on your strengths and ... If you're still studying or haven't yet graduated, we'd love you to apply to our internship ...

ZTR

Senior Firmware Developer

London, ON · On-site

Mentor junior and intermediate developers in best practices and edge computing design Who are you?: * Bachelor's of Computer Science, Software Engineering or related technical field. * Expert in C ...

ZTR

Senior Firmware Developer

London, ON · On-site

Mentor junior and intermediate developers in best practices and edge computing design Who are you?: * Bachelor's of Computer Science, Software Engineering or related technical field. * Expert in C ...

WinAir

Intermediate Full-Stack Java Developer

London, ON · On-site +1

  • Medical

  • Dental

Vision Statement To be the global standard in aviation software--powering safe, efficient, and ... Provide technical support to junior developers as needed. * Propose creative solutions to ...

New

Steelway Building Systems

Engineering Manager

Aylmer, ON · On-site

  • Medical

You will play a key role in guiding junior staff, collaborating across departments, and ensuring ... Experience with software's such as Bluebeam, Epicor, Tekla, MBS. * Working knowledge of 3D design ...

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Internship Junior Software Developer information

What does an internship junior software developer do?

An Internship Junior Software Developer assists in designing, coding, and testing software applications under the supervision of experienced developers. They often work on writing code, fixing bugs, participating in code reviews, and learning about software development processes. This role provides hands-on experience and exposure to real-world projects, enabling interns to develop their programming and teamwork skills. The position is a great opportunity to learn industry best practices and gain insight into a career in software development.

What are the key skills and qualifications needed to thrive as an internship junior software developer?

To thrive as an Internship Junior Software Developer, you need a basic understanding of programming languages (such as Python, Java, or JavaScript), problem-solving skills, and a foundational knowledge of computer science concepts, typically gained through coursework or coding bootcamps. Experience with version control systems like Git, familiarity with IDEs, and exposure to collaborative tools such as Jira or Trello are also important. Curiosity, eagerness to learn, teamwork, and strong communication skills help set candidates apart in this role. These skills and qualities are crucial for adapting quickly, contributing effectively to projects, and maximizing learning in a fast-paced development environment.

What types of projects or tasks can an internship junior software developer expect to work on during their internship?

As an Internship Junior Software Developer, you will typically work on a variety of projects ranging from debugging existing codebases to developing small features or modules under the guidance of senior developers. Interns often participate in code reviews, write unit tests, and assist in documentation. This hands-on experience helps you understand the software development lifecycle, agile methodologies, and teamwork dynamics. Collaboration with other developers, QA testers, and sometimes product managers is common, helping you build both technical and communication skills.

What is the difference between Internship Junior Software Developer vs Junior Software Developer?

AspectInternship Junior Software DeveloperJunior Software Developer
Required CredentialsTypically pursuing or recently completed a degree in computer science or related fieldCompleted degree or equivalent experience in software development
Work EnvironmentTemporary, training-focused, often part-time or summer rolesFull-time employment with ongoing project responsibilities
Employer & Industry UsageInternships offered by tech companies, startups, and organizations for training purposesEntry-level position in software development teams across industries
Search & Comparison IntentLooking for entry-level or training roles to gain experienceSeeking a full-time junior role after internship or education

In summary, an Internship Junior Software Developer is a temporary, training-focused role aimed at gaining initial experience, often held by students or recent graduates. A Junior Software Developer is a full-time position requiring some experience or education, with ongoing responsibilities in software development teams.

What are popular job titles related to Internship Junior Software Developer jobs in London, ON?

For Internship Junior Software Developer jobs in London, ON, the most frequently searched job titles are:

What job categories do people searching Internship Junior Software Developer jobs in London, ON look for?

The top searched job categories for Internship Junior Software Developer jobs in London, ON are:

What cities near London, ON are hiring for Internship Junior Software Developer jobs?

Cities near London, ON with the most Internship Junior Software Developer job openings:

Internship Junior Software Developer jobs near you
Infographic showing various Internship Junior Software Developer job openings in London, ON as of July 2026, with employment types broken down into 87% Full Time, 10% Part Time, and 3% Contract. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution.

Junior Software Developer (Python)

Squarepoint Capital

London, ON

Full-time

Re-posted 14 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 Python to build a great deal of the software needed to solve crucial problems every day. You will work on a wide range of systems that fuel our trading success including, but not limited to, core tooling and frameworks, data pipelines used to feed predictive models in research and trading, and software products used worldwide by traders and researchers.

You will collaborate with experienced software developers and quant researchers to enable the continued growth of our investment business, solving problems at scale, and gaining a unique chance to learn from some of the most talented individuals in the industry.

Required Qualifications:  

  • Degree in Computer Science, Computer Engineering, Applied Math, Physics, Quantitative Finance, or Financial Engineering/MFE
  • Up to 4 years experience in a relevant role such as software or quant development, or similar
  • Experience with Python, 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:

  • Experience with any of C++, Rust, KDB+/q, JavaScript/TypeScript/React
  • Experience with database management systems and related technologies such as SQL
  • Experience working in an investment or financial business is useful

Apply