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Internship Java Developer Jobs in Mississauga, ON

In C#, .NET, Java, React JS, TypeScript, RESTful APIs based on design specifications. * For SQL and ... internships, personal projects, or academic projects are highly valued). * Technical Skills ...

Strong Python (or Golang/Java/Scala) * Knowledge of Git/GitHub, CI/CD, IaC (CloudFormation ... internship opportunities. * Global impact : collaborate on impactful projects for top global ...

Mentor junior engineers and interns * Promote best practices and high-quality development ... Rich development experience with Java, Spring, and SQL * Experience developing scalable, customer ...

Mentor junior engineers and interns * Promote best practices and high-quality development ... Rich development experience with Java / Spring Boot, React, ECMAScript standard and SQL (MySQL)

... internship or co-op experience; or, 3-5 years of relevant experience in software development or application support Technical Skills * Foundational knowledge of programming languages (e.g., Java ...

... internship or co-op experience; or, 3-5 years of relevant experience in software development or application support Technical Skills * Foundational knowledge of programming languages (e.g., Java ...

... Internship and Co-Ops. * Hands on knowledge and experience with major programming languages such as Python, Java, .NET, SQL and Scripting. * Exposure and experience working with Docker and container ...

Intern - Technical

Toronto, ON · Hybrid

CA$25 - CA$40/hr

All interns will have the opportunity to write and test software in a web application framework ... Java, Spring, SpringBoot, RESTapi, Nodejs, SQL, MongoDB, Postgres * Backend testing: Junit ...

... 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 Java Developer information

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$76

How much do internship java developer jobs pay per hour?

As of May 30, 2026, the average hourly pay for internship java developer in Mississauga, ON is $47.32, according to ZipRecruiter salary data. Most workers in this role earn between $36.23 and $59.33 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an Internship Java Developer, and why are they important?

To thrive as an Internship Java Developer, you need a solid understanding of Java programming, object-oriented principles, and basic software development concepts, often supported by coursework or personal projects. Familiarity with version control systems like Git, integrated development environments (IDEs) such as Eclipse or IntelliJ IDEA, and basic knowledge of databases are typically required. Strong problem-solving skills, eagerness to learn, and effective communication help interns adapt and contribute within development teams. These competencies enable you to quickly integrate into projects, support code quality, and grow professionally in a fast-paced environment.

What kinds of projects and tasks can an Internship Java Developer expect to work on during their internship?

As an Internship Java Developer, you can expect to work on a variety of projects that help you build practical skills, such as developing new features, fixing bugs, writing unit tests, or assisting with code reviews. You’ll likely collaborate closely with experienced developers and participate in team meetings or agile sprints, which provide valuable exposure to real-world software development processes. Projects may range from maintaining existing applications to contributing to new product development, giving you a well-rounded experience in Java programming. This role is designed to help you learn industry best practices and gain hands-on experience while receiving mentorship and feedback from your team.

What are Internship Java Developers?

Internship Java Developers are students or recent graduates who work in a company to gain practical experience in Java programming. They assist in developing, testing, and maintaining Java applications under the supervision of experienced developers. This role helps interns apply their academic knowledge to real-world projects, learn industry best practices, and improve their coding and teamwork skills. Internships often serve as a valuable stepping stone to full-time software development positions.

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

AspectInternship Java DeveloperJunior Java Developer
Required CredentialsTypically pursuing or recently completed a degree in Computer Science or related fieldBachelor's degree in Computer Science or related field, with some practical experience
Work EnvironmentTraining-focused, supervised environment, often part-time or temporaryFull-time, ongoing employment with more responsibilities
Employer & Industry UsageInternships offered by tech companies, startups, and IT departments for skill developmentEntry-level position in software development teams across various industries

The main difference between an Internship Java Developer and a Junior Java Developer is experience and responsibility. Internships are designed for students or recent graduates gaining initial exposure, while Junior Java Developers have more hands-on work experience and are expected to contribute more independently to projects.

What are the most commonly searched types of Java Developer jobs in Mississauga, ON? The most popular types of Java Developer jobs in Mississauga, ON are:
What are popular job titles related to Internship Java Developer jobs in Mississauga, ON? For Internship Java Developer jobs in Mississauga, ON, the most frequently searched job titles are:
What cities near Mississauga, ON are hiring for Internship Java Developer jobs? Cities near Mississauga, ON with the most Internship Java Developer job openings:
Infographic showing various Internship Java Developer job openings in Mississauga, ON as of May 2026, with employment types broken down into 61% Full Time, 19% Part Time, and 20% Contract. Highlights an 78% Physical, 4% Hybrid, and 18% Remote job distribution, with an average salary of $98,424 per year, or $47.3 per hour.
Junior Quality Assurance Engineer - Express Scripts Canada

Junior Quality Assurance Engineer - Express Scripts Canada

Cigna

Mississauga, ON • Hybrid

CA$57K - CA$61K/yr

Full-time

Medical, Dental, Vision, Retirement

Posted 17 days ago


Cigna Healthcare rating

8.3

Company rating: 8.3 out of 10

Based on 215 frontline employees who took The Breakroom Quiz

31st of 864 rated healthcare providers


Job description

Job Title: Junior Quality Assurance Engineer

Location: Mississauga
Employment Type: Full-time

Reason for Vacancy: Replacement

Work Arrangement: Hybrid, 2 days/week on-site
Department Name: PBM/HBM Application Delivery Department

Pay Typed: Salaried

Pay Range: $57,000 - $61,000 annually

Please note that this is a general posting range and offer range will be varied based on relevant experience, qualifications, skills required and location for this role.

About Us

Express Scripts Canada (ESC) is the leader in health benefits management. Serving over 12 million members, we help insurance carriers, third party administrators, and the public sector optimize the value of health benefits by linking the talent and professional expertise of our people with leading edge

information management systems and technology. Express Scripts Canada is a wholly owned subsidiary of Express Scripts, one of the largest pharmacy benefit management (PBM) companies in North America, part of The Cigna Group (NYSE: CI), a global health company. Together, we deliver innovative,

cost-effective solutions that improve access, affordability, and health outcomes for Canadians.

Job Summary

Express Scripts Canada is actively looking to hire a Junior Quality Assurance Engineer. This role will work in a team to help maintain quality controls in various Express Script Canada's applications for the Private BU. The Junior QA Engineer will work in a team comprising of Business Analyst, Developers under the supervision of a senior member to help test applications. The primary responsibility of the Junior QA Engineer is to write test cases, create automation scripts and perform manual testing wherever applicable. The Junior QA Engineer will also be contributing towards maintenance and improvement of the Express Scripts Canada's automation test suite.

Key Responsibilities:

  • Execute manual and automated test cases based on defined test plans

  • Support functional, regression, and integration testing activities

  • Assist in developing and maintaining automation scripts under guidance

  • Identify, log, and track defects with clear documentation

  • Collaborate with developers and BAs to understand requirements and validate features

  • Maintain test cases, test data, and provide regular status updates to the team

What We're Looking For:

  • A postsecondary diploma/degree in Computer Science, Computer Programming, or a related field

  • Minimum of 1 year of quality assurance experience (professional or internship/co-op); considered a strong asset

  • Strong knowledge of SQL/ PL-SQL and relational databases (e.g., Oracle

  • Hands-on experience in automation testing using Selenium or Playwright

  • Hands-on experience in REST API testing using Postman or Bruno

  • Basic understanding of Core Java (Java 17 or later) and the Spring Boot framework

  • Basic understanding of front-end technologies such as HTML5, CSS, and JavaScript

  • Familiarity with Git (version control) and basic CI/CD concepts using DevOps tools

  • Ability to learn new skills and adapt to rapidly changing environment

Why Join Us

  • Competitive compensation, benefits and pension plan

  • Career development and advancement opportunities

  • A culture that celebrates innovation and collaboration

  • Flexible work options and wellness programs

Pre-Employment Requirements

All offers of employment are conditional upon the successful completion of reference checks and background verification in accordance with company policy. Within ESC, for certain positions, obtaining and maintaining a federal government security clearance is a bona fide occupational

requirement. Candidates applying for such roles must meet all eligibility criteria for the applicable clearance level and consent to the security screening process as mandated by federal regulations. Failure to obtain or maintain the required clearance will result in withdrawal of the offer or termination of employment.

Our hiring process includes AI-powered tools to conduct video interviews, take notes and score candidates; however, all scores will be reviewed by hiring managers and our Talent team before making a decision.

NOTE: Internal candidates should apply before May 19, 2026.

Express Scripts Canada is a Cigna company

Express Scripts Canada is a subsidiary of Express Scripts, a Cigna company. Cigna Corporation (NYSE: CI) is a global health service company dedicated to improving the health, wellbeing and peace of mind of those we serve. Cigna offers an integrated suite of health services through Cigna, Express Scripts, and our affiliates including medical, dental, behavioural health, pharmacy, vision, supplemental benefits, and other related products.

About Express Scripts Canada

Express Scripts Canada is a leading health benefits manager and has been recognized as one of the most innovative. Our clients include Canada's leading insurers, third party administrators and governments. We work with these clients to develop industry-leading solutions to deliver superior healthcare in a cost-controlled environment. We provide Active Pharmacy services to more than 7 million Canadian patients and adjudicate more than 100 million pharmacy, dental, and extended health claims annually. Through our proprietary consumer intelligence, clinical expertise, and patients-first approach, we promote better health decisions for plan members, while managing and reducing drug benefit costs for plan sponsors.

It will be a condition of employment that the successful candidate obtains an Enhanced Reliability Clearance from the Federal Government. The candidate will be required to provide supporting documentation to receive clearance if required.

We offer a competitive salary and benefits package, along with a positive work environment built on solid corporate values, integrity, mutual respect, collaboration, passion, service and alignment.

We are an equal opportunity employer that promotes a diverse, inclusive and accessible workplace. By embracing diversity, we build a more effective organization that empowers our employees to be the best that they can be.

We are committed to creating a working environment that is barrier-free and we are prepared to provide accommodation for people with disabilities.

If you require accommodation in completing the online application process, please email: eschr2@express-scripts.com Do not email eschr2@express-scripts.com for an update on your application or to provide your resume as you will not receive a response.


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