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Entry Level React Js Developer Jobs in Ontario (NOW HIRING)

\n \n \n \n \n Our client, an insurance company based in Dublin, is looking for a React Developer ... Expert in React.js \n * Immediate availability \n * Some backend (ideally .Net) is desirable but ...

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Entry Level React Js Developer information

What are Entry Level React JS Developers?

Entry Level React JS Developers are software professionals who specialize in building user interfaces using the React JavaScript library. They typically have a foundational understanding of React concepts like components, state, and props, and work under the guidance of senior developers. These developers are responsible for coding, debugging, and assisting in the development of web applications while learning best practices and improving their skills on the job.

What are the key skills and qualifications needed to thrive as an Entry Level React Js Developer, and why are they important?

To thrive as an Entry Level React Js Developer, you need a solid understanding of JavaScript, HTML, CSS, and fundamental React concepts, often supported by a relevant degree or coding bootcamp experience. Familiarity with tools like Git, npm, code editors (such as VS Code), and basic knowledge of RESTful APIs and version control systems is important. Strong problem-solving skills, attention to detail, and the ability to communicate effectively within a team help you stand out. These skills are crucial for delivering maintainable code, collaborating efficiently, and adapting quickly to new technologies in fast-paced development environments.

What are some common challenges faced by entry-level React JS developers when working on their first professional projects?

Entry-level React JS developers often encounter challenges such as understanding how to structure components effectively, managing state across larger applications, and integrating React with backend APIs. Adapting to established codebases and following team conventions can also be a learning curve. However, most teams provide mentorship, code reviews, and collaborative tools to help new developers grow their skills and contribute positively to projects.

What is the difference between Entry Level React Js Developer vs Junior Front-End Developer?

AspectEntry Level React Js DeveloperJunior Front-End Developer
Required SkillsBasic React.js, JavaScript, HTML, CSSHTML, CSS, JavaScript, some React.js knowledge
CertificationsOptional, but React.js courses preferredBasic web development certifications helpful
Work EnvironmentStartups, tech companies, agenciesSame as React Developer roles
Industry UsageWeb development teams focusing on React projectsFront-end teams using various frameworks including React

Both roles involve front-end web development, with the Entry Level React Js Developer focusing specifically on React.js skills. The Junior Front-End Developer may have a broader skill set across multiple frameworks but often overlaps with React.js knowledge. Entry Level React Js Developers typically work in similar environments and are often considered a specialized subset of Junior Front-End Developers.

What are the most commonly searched types of React Js Developer jobs in Ontario? The most popular types of React Js Developer jobs in Ontario are:
What are popular job titles related to Entry Level React Js Developer jobs in Ontario? For Entry Level React Js Developer jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Entry Level React Js Developer jobs in Ontario look for? The top searched job categories for Entry Level React Js Developer jobs in Ontario are:
What cities in Ontario are hiring for Entry Level React Js Developer jobs? Cities in Ontario with the most Entry Level React Js Developer job openings:
Infographic showing various Entry Level React Js Developer job openings in Ontario as of June 2026, with employment types broken down into 100% Full Time. Highlights an 67% In-person, and 33% Remote job distribution.
Java Full Stack Developer (React)

Java Full Stack Developer (React)

Sapsol Technologies Inc

Mississauga, ON โ€ข On-site

Full-time

Posted 14 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)