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Internship React Developer Jobs in Toronto, ON (NOW HIRING)

... Science, Engineering, or related field or equivalent work experience * Expert in web security ... Familiarity with development technologies like Docker, CDK, Terraform, Java, Python, React, GraphQL ...

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Internship React Developer information

See Toronto, ON salary details

$19.6K

$107.1K

$171.8K

How much do internship react developer jobs pay per year?

As of Aug 10, 2026, the average yearly pay for internship react developer in Toronto, ON is $107,072.00, according to ZipRecruiter salary data. Most workers in this role earn between $83,504.00 and $135,039.00 per year, depending on experience, location, and employer.

What is an internship React developer?

An Internship React Developer job is a temporary position where aspiring developers gain hands-on experience working with React.js, a popular JavaScript library for building user interfaces. Interns typically assist in developing web applications, fixing bugs, and collaborating with senior developers. This role helps interns enhance their coding skills, understand real-world development workflows, and gain exposure to industry best practices.

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

To thrive as an Internship React Developer, you need a solid understanding of JavaScript, React.js, HTML, and CSS, often supported by coursework or personal projects. Familiarity with version control systems like Git, basic testing tools, and IDEs such as Visual Studio Code is commonly expected. Strong problem-solving abilities, teamwork, and openness to feedback are valuable soft skills in this role. These skills ensure you can contribute effectively to real projects, learn quickly from mentors, and adapt to collaborative software development environments.

What are the typical responsibilities of an internship React developer?

As an Internship React Developer, you will typically work on tasks such as building or updating user interfaces using React.js, fixing bugs, writing unit tests, and assisting with documentation. You may participate in daily stand-up meetings, collaborate with other developers and designers, and receive guidance from senior engineers. Interns often contribute to real codebases, gaining hands-on experience with agile workflows, code reviews, and version control. This practical exposure helps you develop professional programming practices and understand how front-end teams operate in a workplace setting.

What are the most commonly searched types of React Developer jobs in Toronto, ON? The most popular types of React Developer jobs in Toronto, ON are:
Infographic showing various Internship React Developer job openings in Toronto, ON as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $107,072 per year, or $51.5 per hour.

Offensive Security - Penetration Tester

RSM

Toronto, ON

CA$62K - CA$107K/yr

Full-time

Re-posted 28 days ago


Job description

We are the leading provider of professional services to the middle market globally, our purpose is to instill confidence in a world of change, empowering our clients and people to realize their full potential. Our exceptional people are the key to our unrivaled, inclusive culture and talent experience and our ability to be compelling to our clients. You'll find an environment that inspires and empowers you to thrive both personally and professionally. There's no one like you and that's why there's nowhere like RSM.


Responsibilities:

  • Perform security assessments, including static and dynamic application security testing

  • Conduct manual penetration testing on web applications, network devices, and other systems

  • Collaborate with our clients in a fast-paced environment across many technology stacks and services, including cloud platforms and development technologies

  • Develop, enhance, and interpret security standards and guidance

  • Demonstrate and promote security best practices, including secure development and cloud security

  • Assist with the development of remediation recommendations for identified findings

  • Identify and clearly articulate (written and verbal) findings to senior management and clients

  • Help identify improvement opportunities for assigned clients

  • Stay up-to-date with the latest security trends, technologies, and best practices

  • Work effectively within a team, fostering collaboration and open communication to deliver successful outcomes

  • Supervise and provide engagement management for other staff working on assigned engagements

Required Qualifications:

  • BS in Computer Science, Engineering, or related field or equivalent work experience

  • Expert in web security, possessing extensive knowledge of vulnerabilities, along with the ability to identify and exploit them effectively.

  • 3+ years of experience in code review, application security testing, or web application development

  • Excellent written and verbal communication skills

  • Strong scripting skills (e.g. Python, Ruby, Perl)

  • Experience with cloud platforms, such as AWS, and knowledge of cloud security best practices

  • Familiarity with development technologies like Docker, CDK, Terraform, Java, Python, React, GraphQL, Javascript, JSON, REST, etc.

  • Must possess a high degree of integrity and confidentiality, as well as the ability to adhere to both company policies and best practices

  • Technical background in application development, networking/system administration, security testing, or related fields

  • Experience with both static application security testing (SAST) and dynamic application security testing (DAST) using various tools and techniques

Preferred Qualifications:

  • Preferred, but not required - one or more relevant certifications such as Offensive Security Web Assessor (OSWA), Offensive Security Web Expert (OSWE), Offensive Security Certified Professional (OSCP), Burp Suite Certified Practitioner, or AWS Certified Security Specialist.

At RSM, we offer a competitive benefits and compensation package for all our people.We offer flexibility in your schedule, empowering you to balance life's demands, while also maintaining your ability to serve clients. Learn more about our total rewards at https://rsmcanada.com/careers/life-at-rsm/rewards-and-benefits.html.

RSM does not tolerate discrimination and/or harassment based on race; colour; creed; sincerely held religious beliefs, practices or observances; sex (including pregnancy or disabilities related to nursing); gender (including gender identity and/or gender expression); sexual orientation; national origin; ancestry; familial or marital status; age; physical or mental disability; citizenship; political affiliation; medical condition (including family and medical leave); domestic violence victim status; past, current or prospective service in the Canadian uniformed service; Canadian Military/Veteran status; pre-disposing genetic characteristics or any other characteristic protected under applicable provincial employment legislation.

Accommodation for applicants with disabilities is available upon request in connection with the recruitment process and/or employment/partnership.RSM is committed to providing equal opportunity and reasonable accommodation for people with disabilities. If you require a reasonable accommodation to complete an application, interview, or otherwise participate in the recruiting process, please call us at 800-274-3978 or send us an email at careers@rsmus.com.

At RSM, an employee's pay at any point in their career is intended to reflect their experiences, performance, and skills for their current role. The salary range (or starting rate for interns and associates) for this role represents numerous factors considered in the hiring decisions including, but not limited to, education, skills, work experience, certifications, location, etc. As such, pay for the successful candidate(s) could fall anywhere within the stated range.

Compensation Range: $62,000 - $107,500

Individualsselected for this role will be eligible for a discretionary bonus based on firm and individual performance.