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Junior Software Developer Jobs in London, ON (NOW HIRING)

Proax Technologies Ltd

Software Developer

London, ON

Work with collaborative team members in the automation industry General Description Software Developer will use their knowledge to design, create, implement, and maintain software, applications, and ...

Proax Technologies

Software Developer

London, ON · On-site

Work with collaborative team members in the automation industry General Description Software Developer will use their knowledge to design, create, implement, and maintain software, applications, and ...

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

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 ...

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All JobsSoftware Developer JobsJunior Software Developer JobsJunior Software Developer Jobs in London, ON

Junior Software Developer information

See London, ON salary details

$26.3K

$57.3K

$88K

How much do junior software developer jobs pay per year?

As of Jul 31, 2026, the average yearly pay for junior software developer in London, ON is $57,291.00, according to ZipRecruiter salary data. Most workers in this role earn between $46,611.00 and $65,169.00 per year, depending on experience, location, and employer.

What engineer makes $500,000 a year?

Senior software engineers, especially those in high-paying industries like finance or technology, can earn $500,000 or more annually, often through a combination of base salary, bonuses, and stock options. Achieving this level typically requires extensive experience, specialized skills, and working at large tech companies or startups with significant funding.

How much money do junior Software Developers make?

Junior Software Developers typically earn an annual salary ranging from $50,000 to $80,000, depending on location, industry, and experience. Entry-level roles often require knowledge of programming languages like Java, Python, or JavaScript, and familiarity with development tools and environments.

What is the role of a junior software developer?

A junior software developer assists in designing, coding, testing, and maintaining software applications under the supervision of senior developers. They typically work with programming languages like Java, Python, or C++, and are expected to have basic coding skills and knowledge of development tools. Their role focuses on learning and gaining experience while contributing to software projects.

What are some typical challenges a Junior Software Developer might face when starting out, and how can they overcome them?

Junior Software Developers often encounter challenges such as understanding large codebases, managing their time effectively between learning and delivering tasks, and adapting to new development tools or frameworks. To overcome these hurdles, it's helpful to actively seek guidance from more experienced team members, participate in code reviews, and make consistent use of documentation. Regular communication within the team and a willingness to ask questions can significantly speed up the learning process and help build confidence in your role.

What Does a Junior Software Developer Do?

A junior software developer works on a development team writing and maintaining code for computer applications. As a junior software developer, your primary responsibilities are to learn the codebase, work on small bug fixes, and participate in paired programming with mid-level and senior developers. Junior software developers are entry-level positions, but as you gain experience and build up your programming skills, you will start to take on larger projects. Your job duties include attending and contributing to development team meetings, troubleshooting, patching computer code, and collaborating with other developers to create applications.

Will AI replace junior dev?

AI tools can automate certain coding tasks and improve efficiency for junior software developers, but they are unlikely to fully replace the role. Junior developers are essential for understanding project requirements, problem-solving, and applying critical thinking, which AI currently cannot replicate fully. Developing skills in programming languages, debugging, and collaboration remains important for career growth in this field.

What are the key skills and qualifications needed to thrive as a Junior Software Developer, and why are they important?

To thrive as a Junior Software Developer, you need proficiency in programming languages (such as Python, Java, or JavaScript), algorithms, and problem-solving, often supported by a relevant degree or coding bootcamp experience. Familiarity with version control systems like Git, basic knowledge of databases, and experience with development frameworks are valuable technical assets. Strong communication, teamwork, and a willingness to learn help you adapt and contribute effectively in collaborative environments. These skills and qualities are essential for delivering reliable code, supporting team goals, and growing in a fast-evolving tech landscape.

What does a Junior Software Developer do?

A Junior Software Developer is an entry-level professional who assists in designing, coding, testing, and maintaining software applications. They typically work under the supervision of more experienced developers and contribute to various stages of the software development lifecycle. Their responsibilities often include writing basic code, debugging, collaborating with team members, and learning new technologies to improve their skills. This role is a great starting point for individuals looking to build a career in software development.
More about Junior Software Developer jobs
What are the most commonly searched types of Software Developer jobs in London, ON? The most popular types of Software Developer jobs in London, ON are:
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What cities near London, ON are hiring for Junior Software Developer jobs? Cities near London, ON with the most Junior Software Developer job openings:
Junior Software Developer jobs near you
Infographic showing various Junior Software Developer job openings in London, ON as of July 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $57,291 per year, or $27.5 per hour.

Junior Software Developer (Python)

Squarepoint Capital

London, ON

Other

Re-posted 25 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