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Junior Full Stack Java Developer Jobs in Ontario

StackandCo

\n \n \n \n \n We have a pressing requirement for an experienced Full Stack Developer to join a ... A minimum of 4 years' Java Development experience\n \n * Strong database knowledge, Oracle ...

Magna

Junior Full Stack Developer Coop

Milton, ON

The [Junior Full Stack Developer - coop] role is to help plan, design, develop, test, launch, and maintain software applications in support of the achievement of business requirements. This includes ...

Citi

Senior Java Full Stack Developer

Mississauga, ON · On-site

The JAVA Full Stack Senior Developer role is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in ...

StackandCo

\n \n \n \n \n We are looking for Junior Java Developers to join a globally renowned FinTech company ... Java stack with some Angular on the frontend. \n \n \n \n \n \n \n Strong academics are a huge ...

Td

Sr. Java Full Stack Developer, TD Securities

Toronto, ON · On-site

CA$126K - CA$164K/yr

About The Role As a Senior Java Full Stack Developer , demonstrate ownership, accountability, and long-term thinking by delivering secure, reliable, maintainable, and business-aligned technology ...

Konrad

Java Developer

Toronto, ON · Hybrid

CA$90K - CA$125K/yr

About The Role As a Full Stack Java Developer you'll be tasked with working on web application development in Java and Spring Boot. Working within the software development team, your duties will ...

StackandCo

... mentor junior developers. \n \n \n \n \n \n \n This role will involve adding new features ... Java, Ruby, Python)\n \n * 3\-5 years' commercial experience with HTML5, CSS3, JavaScript and ...

United Airlines

Java Full Stack Developer

Toronto, ON · On-site

... experience in full-stack development with a strong portfolio showcasing successful projects ... Working knowledge of the Java programming language and supporting frameworks such as Spring, Spring ...

United Airlines

Java Full Stack Developer

Toronto, ON · On-site

... experience in full-stack development with a strong portfolio showcasing successful projects ... Working knowledge of the Java programming language and supporting frameworks such as Spring, Spring ...

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Junior Full Stack Java Developer information

What is a junior full stack Java developer?

A Junior Full Stack Java Developer is an entry-level software developer who works on both front-end and back-end development using Java and related technologies. They assist in building, testing, and maintaining web applications, often working with frameworks like Spring Boot for the back-end and JavaScript libraries for the front-end. Their responsibilities typically include writing clean and efficient code, debugging issues, and collaborating with other team members. This role requires foundational knowledge of databases, APIs, and cloud platforms. It is a great starting point for developers looking to grow into full-stack expertise.

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

To thrive as a Junior Full Stack Java Developer, you need a solid understanding of Java programming, web development fundamentals (HTML, CSS, JavaScript), and basic database management, often supported by a degree in computer science or related experience. Familiarity with frameworks like Spring Boot, front-end libraries such as React or Angular, version control systems like Git, and exposure to RESTful APIs and cloud platforms is typical and advantageous. Strong problem-solving abilities, teamwork, eagerness to learn, and effective communication set outstanding candidates apart. These skills and qualities ensure you can develop, debug, and maintain both front-end and back-end systems while collaborating effectively in dynamic software development environments.

What are the typical responsibilities of a junior full stack Java developer on a daily basis?

As a Junior Full Stack Java Developer, your daily tasks usually include writing and testing Java code for back-end logic, developing and maintaining front-end components, and fixing bugs reported by users or testers. You’ll often participate in code reviews, collaborate with team members through agile meetings, and help integrate new features into existing applications. Additionally, you may be involved in database management and work closely with senior developers or product managers to understand requirements and deliver solutions. This role offers valuable hands-on experience across the software development lifecycle while providing opportunities to learn from more experienced colleagues.

How much do junior full stack Java developers make?

Junior full stack Java developers typically earn between $50,000 and $80,000 annually, depending on location, experience, and company size. Entry-level roles often require knowledge of Java, JavaScript, and frameworks like Spring or React, with salaries increasing with additional skills and certifications.

How much does a junior full stack Java developer earn?

A junior full stack Java developer typically earns between $50,000 and $80,000 annually, depending on location, experience, and company size. Entry-level roles often require knowledge of Java, JavaScript, and frameworks like Spring or React, with salaries increasing as skills and experience grow.

Is Java full stack developer still in demand?

Java full stack developers are still in demand due to their ability to handle both front-end and back-end development using Java, Spring, and related technologies. Many organizations seek these skills for building scalable, full-featured applications, and demand remains strong in industries like finance, healthcare, and technology. Staying updated with frameworks, cloud platforms, and modern tools can enhance job prospects in this field.

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

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

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

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

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

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

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

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

Junior Full Stack Java Developer jobs near you
Infographic showing various Junior Full Stack Java Developer job openings in Ontario as of August 2026, with employment types broken down into 82% Full Time, 13% Part Time, 4% Contract, and 1% Nights. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution.

Java Full Stack Developer (React)

Mississauga, ON • On-site

Sapsol Technologies Inc
IT Services • 11 - 50 employees
Learn more about Sapsol Technologies Incexternal

Full-time

Re-posted 12 days ago

Job description

We are seeking a talented Java Full Stack Developer with strong expertise in backend development using Java, Spring Boot, and Microservices, along with frontend experience in React.js. The ideal candidate will be responsible for building scalable, high-performance applications and ensuring seamless integration between frontend and backend systems.

Key Responsibilities
  • Develop and maintain backend services using Java and Spring Boot
  • Design and implement Microservices architecture
  • Build responsive and dynamic user interfaces using React.js and modern JavaScript (ES6+)
  • Integrate frontend applications with backend services via RESTful APIs
  • Manage application state using Redux or similar libraries
  • Collaborate with cross-functional teams including UI/UX, QA, and DevOps
  • Optimize applications for performance, scalability, and security
  • Participate in code reviews, testing, and deployment processes
  • Troubleshoot and resolve technical issues across the stack
Required Skills
  • Strong experience in Core Java and Spring Boot
  • Hands-on experience with Microservices architecture
  • Proficiency in React.js, Redux, and ES6+ JavaScript
  • Experience with API integration and UI development
  • Strong understanding of frontend-backend interaction
  • Familiarity with HTML5, CSS3
  • Experience with SQL databases (MySQL, PostgreSQL)
Preferred Skills
  • Experience with AWS/Azure cloud platforms
  • Knowledge of Docker, Kubernetes
  • Familiarity with CI/CD tools (Jenkins, GitHub Actions)
  • Understanding of authentication mechanisms (JWT, OAuth)
Education
  • Bachelor's degree in Computer Science, IT, or related field (or equivalent experience)

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