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Junior Java Developer Jobs in Mississauga, ON (NOW HIRING)

Snaplii

Sr. Java Developer

Toronto, ON · On-site

$80K - $150K/yr

About the Role We are an innovative startup seeking a highly skilled and adaptable Senior Java Developer to join our dynamic team. In addition to developing robust and scalable software solutions ...

CMiC

Java Developer

Toronto, ON · On-site

CA$90K - CA$110K/yr

We do not use AI to screen, assess, or select applicants Job Overview The Java Developer is responsible for the developmental efforts of CMiC's Tools applications. This role focuses on designing and ...

Priceline.com LLC

Java Developer

Toronto, ON · Hybrid

CA$100K - CA$120K/yr

Software Developer (Java) This role is eligible for our hybrid work model: Two days in-office. Our Technology team is the backbone of our company: constantly creating, testing, learning and iterating ...

CMiC

Java Developer

Toronto, ON

CA$90K - CA$110K/yr

We do not use AI to screen, assess, or select applicants Job Overview The Java Developer is responsible for the developmental efforts of CMiC's Tools applications. This role focuses on designing and ...

Priceline

Java Developer

Toronto, ON · Hybrid

CA$100K - CA$120K/yr

Software Developer (Java) This role is eligible for our hybrid work model: Two days in-office. Our Technology team is the backbone of our company: constantly creating, testing, learning and iterating ...

Scotiabank

Java Developer

Toronto, ON · On-site

Commercial Banking Engineering is seeking a skilled Java Developer with extensive experience in Java, Struts, SQL, REST APIs, SOAP services, and other backend Java technologies. The ideal candidate ...

Thundersoft

Java Developer

Toronto, ON · Remote

CA$100K/yr

... Programming experience with at least one modern language such as Java, C++, or C# including object-oriented design · AWS · 1+ years of experience contributing to the architecture and design ...

Konrad

Senior Java Developer

Toronto, ON · Hybrid

CA$120K - CA$145K/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 ...

Deloitte

Senior Java Developer - Operate

Toronto, ON · On-site

CA$72K - CA$138K/yr

As a Java Developer at Deloitte, you will play a crucial role in designing, developing, and maintaining Java-based applications or software solutions for a leading North American Bank. This long-term ...

Citi

Senior Java Developer

Mississauga, ON · On-site

CA$94K - CA$141K/yr

Core Java, Java EE, Spring Boot, Spring Microservices. * Programming Principles: Strong understanding of OOPS (Object-Oriented Programming), Data Structures, and Algorithms. * Solution Design:

New

United Airlines

FullStack Java Developer

Mississauga, ON

CA$80K - CA$95K/yr

Job Summary We are seeking a skilled Java Spring Boot Developer to design, develop, and maintain scalable backend applications and microservices. The ideal candidate should have strong expertise in ...

Localcoin

Java Backend Developer

Etobicoke, ON · Hybrid

CA$100K - CA$135K/yr

As a Java Back-End Developer at Localcoin, you will be responsible for developing and maintaining ... Guide and mentor junior developers, fostering a culture of learning, best practices, and technical ...

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Junior Java Developer information

See Mississauga, ON salary details

$40K

$73.1K

$107.4K

How much do junior java developer jobs pay per year?

As of Jun 18, 2026, the average yearly pay for junior java developer in Mississauga, ON is $73,148.00, according to ZipRecruiter salary data. Most workers in this role earn between $59,344.00 and $83,835.00 per year, depending on experience, location, and employer.

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

AspectJunior Java DeveloperJava Developer
Required Experience0-2 years2+ years
CertificationsOptional, entry-level certificationsOptional, advanced certifications
Work EnvironmentSupportive, learning-focused teamsProject-driven, independent roles
ResponsibilitiesAssist in coding, bug fixing, learning frameworksDesign, develop, maintain Java applications

The main difference between a Junior Java Developer and a Java Developer lies in experience, responsibilities, and independence. Junior Java Developers are typically entry-level, focusing on learning and supporting tasks, while Java Developers have more experience and handle complex development projects independently.

What are Junior Java Developers?

Junior Java Developers are entry-level software engineers who specialize in building and maintaining applications using the Java programming language. They typically work under the supervision of more experienced developers and are responsible for writing code, debugging, and participating in code reviews. Their tasks may also include testing software, learning new frameworks, and assisting with the design and implementation of features. Junior Java Developers usually have foundational knowledge of Java and related technologies, and they are eager to develop their skills through hands-on experience.

Is Java outdated in 2026?

Java remains a widely used programming language for junior Java developers in 2026, with ongoing updates and a large ecosystem supporting enterprise applications, Android development, and backend systems. Its stability, extensive libraries, and strong community ensure its relevance, though developers should stay current with new features and frameworks to remain competitive.

Which pays more, C++ or Java?

For a Junior Java Developer, salaries for C++ and Java roles can vary based on location, industry, and experience, but generally, C++ positions tend to offer slightly higher starting salaries due to its use in high-performance applications like gaming and finance. However, Java remains widely used in enterprise environments with competitive pay. Both skills are valuable, and salary differences are often influenced by specific job requirements and demand in the tech market.

What Does a Junior Java Developer Do?

Junior Java developers are entry-level programmers who are part of a team of coders and developers. They work on both front-end and back-end codes to build an application. Being a junior Java developer requires extensive knowledge of coding and the program language JavaScript to develop and troubleshoot products. As a junior Java developer, you run tests to pinpoint errors, migrate code and data, and ensure the program is integrated with other company developments.

Is AI replacing Java developers?

AI tools can automate certain coding tasks and improve efficiency for Java developers, but they are not replacing the need for human programmers. Java developers are still essential for designing, maintaining, and understanding complex systems, as well as integrating AI technologies into applications. Skills in problem-solving, debugging, and system architecture remain critical in the field.

What are some common challenges a Junior Java Developer might face during their first year, and how can they overcome them?

Junior Java Developers often encounter challenges such as understanding large codebases, adapting to agile development processes, and managing task priorities. To overcome these hurdles, it’s helpful to proactively seek mentorship from senior developers, regularly review documentation, and participate in code reviews. Effective communication with team members also accelerates learning and helps clarify requirements or technical uncertainties. Embracing continuous learning through online resources and hands-on projects will further strengthen your skills and confidence.

Is Java developer still in demand?

Java developers remain in high demand due to the language's widespread use in enterprise applications, Android development, and backend systems. Skills in frameworks like Spring and knowledge of cloud environments can enhance job prospects in this field.

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

A Junior Java Developer should have a solid understanding of Java programming, object-oriented principles, and basic software development concepts, often supported by a relevant degree or coding bootcamp. Familiarity with tools such as IntelliJ IDEA or Eclipse, version control systems like Git, and frameworks like Spring Boot is typically expected. Strong problem-solving abilities, attention to detail, and effective teamwork are important soft skills in this role. These competencies enable efficient code development, smooth collaboration, and the ability to quickly adapt to new technologies and project requirements.
More about Junior Java Developer jobs
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:
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Junior Java Developer jobs near you

Sr. Java Developer

Snaplii

Toronto, ON • On-site

$80K - $150K/yr

Full-time

Posted 14 days ago

Job description

About the Role

We are an innovative startup seeking a highly skilled and adaptable Senior Java Developer to join our dynamic team. In addition to developing robust and scalable software solutions, this role requires providing technical support to other departments. You will need to thrive in a fast-paced environment, handle high-pressure situations, and align with the tight schedules of a growing company.

If you are a critical thinker, capable of designing and implementing complex systems, rapidly learning new technologies, and effectively collaborating across departments, we'd love to hear from you.

Key Responsibilities

  • Design, develop, and maintain high-quality Java applications.
  • Provide technical support to various departments, ensuring smooth cross-departmental communication.
  • Debug and resolve complex bugs efficiently, ensuring the system runs reliably.
  • Write, review, and maintain comprehensive technical documentation.
  • Conduct and optimize unit and integration testing to ensure robust software quality.
  • Quickly onboard existing projects or tasks, ensuring seamless transition and continuity.
  • Stay updated with new tools, technologies, and best practices, adapting to evolving technical landscapes.

Qualifications

  • Education: Bachelor's degree or higher in Computer Science or related field.
  • Experience: 5+ years of professional experience in Java development.
  • Programming Skills:
  • Strong expertise in Java programming, including proficiency with generics and lambda expressions.
  • Mastery of object-oriented programming principles and design patterns.
  • Advanced knowledge of multi-threading and concurrent programming.
  • Strong ability to read, analyze, and work with existing source code.
  • Database: Expert knowledge of SQL and MySQL.
  • Technologies:
  • Proficiency in Redis and its various use cases.
  • In-depth understanding of AWS services.
  • Deep knowledge of Docker and Kubernetes.
  • Frameworks: Expertise in Spring Boot, Spring MVC, and Spring WebFlux.
  • Testing: Skilled in implementing unit tests and integration tests to maintain code quality.

Preferred Skills

  • Experience in a startup environment or a high-pressure, fast-paced workplace.
  • Familiarity with debugging tools and techniques.
  • Demonstrated ability to take ownership of complex projects and drive them to completion.
Employment Type: FULL_TIME

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