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Junior Java Backend Developer Jobs in Ontario (NOW HIRING)

StackandCo

  • Medical

  • Retirement

We need someone comfortable working Fullstack, primarily a Java backend role. We have done a lot of work with this client over the past 1 \- 2 years and have had amazing feedback from the engineers ...

Capgemini

Java Full-stack Developer

Mississauga, ON · On-site

CA$86K - CA$127K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The candidate must have Java backend development experience with Core Java Java EE Springboot ... engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data ...

Capgemini

Java Full-stack Developer

Mississauga, ON

CA$86K - CA$127K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The candidate must have Java backend development experience with Core Java Java EE Springboot ... engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data ...

Prophix

Senior Back End Engineer Java/OLAP

Etobicoke, ON · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

As a Senior Back-End Engineer specializing in Java and OLAP, you will own the Java side of that engine -- designing, optimizing, and scaling the cube capabilities that our customers depend on every ...

StackandCo

  • Medical

  • Retirement

... a Java backend role but we would love it if you're skilled coding in React. \n \n \n \n \n \n We ... the engineers in the company. \n \n \n \n \n \n Benefits include health insurance (for family ...

Capco

Staff Java Engineer (Backend)

Toronto, ON · On-site

  • Medical

  • Life

  • Retirement

What You'll Do * Design and build scalable backend applications using Java, Spring Boot ... developer productivity and software quality. Bonus Points For * Experience with domain-driven ...

StackandCo

  • Medical

  • Retirement

... a Java backend role but we would love it if you're skilled coding in React as well. \n \n \n \n \n ... the engineers in the company. \n \n \n \n \n \n Benefits include health insurance (for family ...

NimbleRx

Senior Backend Engineer

Toronto, ON · On-site

  • Medical

  • Dental

  • Vision

  • PTO

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

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All JobsJava Backend Developer JobsJunior Java Backend Developer JobsJunior Java Backend Developer Jobs in Ontario

Junior Java Backend Developer information

What is a junior Java backend developer?

Junior Java Backend Developers are entry-level software engineers who specialize in building and maintaining the server-side logic of web applications using the Java programming language. They work closely with senior developers to implement APIs, manage databases, and ensure smooth data flow between servers and users. Their responsibilities often include writing clean, efficient code, debugging applications, and learning new technologies as needed. Junior Java Backend Developers typically have a foundational knowledge of Java, SQL, and frameworks like Spring Boot.

What are the key skills and qualifications needed to thrive as a junior Java backend developer?

To thrive as a Junior Java Backend Developer, you need solid knowledge of Java programming, understanding of object-oriented design, and familiarity with backend frameworks like Spring, often supported by a degree in computer science or related field. Experience with relational databases (e.g., MySQL), version control systems (like Git), and exposure to RESTful APIs and build tools (such as Maven) are typically required. Strong problem-solving skills, attention to detail, and effective communication make someone stand out in this role. These skills and qualities are crucial for building reliable, scalable server-side applications and collaborating effectively within a software development team.

What are some common challenges faced by junior Java backend developers when joining a new team?

As a Junior Java Backend Developer, one common challenge is adapting to existing codebases and understanding the team's preferred coding standards and practices. You may also find it challenging to grasp complex system architectures or integrate your code with various APIs and databases. However, most teams provide onboarding support, code reviews, and mentorship to help you ramp up. Collaborating closely with senior developers and asking questions can significantly ease your transition and foster your growth in the role.

What are the most commonly searched types of Java Backend Developer jobs in Ontario?

The most popular types of Java Backend Developer jobs in Ontario are:

What are popular job titles related to Junior Java Backend Developer jobs in Ontario?

For Junior Java Backend Developer jobs in Ontario, the most frequently searched job titles are:

What job categories do people searching Junior Java Backend Developer jobs in Ontario look for?

The top searched job categories for Junior Java Backend Developer jobs in Ontario are:

What cities in Ontario are hiring for Junior Java Backend Developer jobs?

Cities in Ontario with the most Junior Java Backend Developer job openings:

Junior Java Backend Developer jobs near you
Infographic showing various Junior Java Backend Developer job openings in Ontario as of August 2026, with employment types broken down into 100% Full Time. Highlights an 67% In-person, and 33% Remote job distribution.

Fullstack Developer

StackandCo

On-site

Full-time

Medical, Retirement

Re-posted 16 days ago

Job description

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\n An impressive software company in Dublin is looking for a Fullstack Engineer (permanent) to work within a small\-mid sized team on one of their new products. The product crunches real\-time data to provide vital security information to clients all over the world. We need someone comfortable working Fullstack, primarily a Java backend role. We have done a lot of work with this client over the past 1 \- 2 years and have had amazing feedback from the engineers in the company. Benefits include health insurance (for family), pension, bonus, 25 days holidays etc.<\/span>
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\n Experience
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  • 4+ years' experience in Java Development
    <\/li>\n
  • Data Processing\/Pipelines experience would be nice to have
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  • Python experience would be an added bonus
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  • Strong Frontend experience (ideally React)
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  • Experience working with Spring
    <\/li>\n
  • CI\/CD experience
    <\/li>\n <\/ul>\n
    \n
    \n <\/div><\/span>
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