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

Poly Services Group

Senior Java Developer

Toronto, ON · On-site

SENIOR JAVA SOFTWARE DEVELOPER Location: Toronto, ON (uptown) Industry: Technology Type: Permanent WHAT IS THE OPPORTUNITY. Our client is an 18-year-old SaaS developer and recognized leader of ...

Td

Java Developer, TD Securities

Toronto, ON · On-site

CA$102K - CA$125K/yr

Lead technical discussions and high-performance professionals at various capacity (junior to senior ... Java, Spring boot, DevOps, Kafka * Strong algorithmic problem-solving skills - backed by prior ...

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 ...

Citi

Low latency Senior Java Developer

Mississauga, ON

CA$120K - CA$170K/yr

Mentor junior developers and analysts. Must Have Key Skills and Experience Required 8+ years relevant experience. Extensive Core Java 17 version & above experience with strong knowledge of data ...

Citi

Senior Java Developer

Mississauga, ON · On-site

CA$94K - CA$141K/yr

We are seeking a highly motivated and experienced Senior Java Developer to join our dynamic team focused on enhancing developer productivity. Our mission is to build and maintain cutting-edge ...

Citi

Senior Java Developer

Mississauga, ON · On-site

CA$94K - CA$141K/yr

We are seeking a highly motivated and experienced Senior Java Developer to join our dynamic team focused on enhancing developer productivity. Our mission is to build and maintain cutting-edge ...

Citi

Senior Java Developer - Vice President

Mississauga, ON · Hybrid

CA$120K - CA$170K/yr

Citi is looking for a Senior Java Developer to design, build, and evolve enterprise-grade shared services that underpin high-volume, mission-critical financial systems. In this role, you will lead ...

Citi

Java Developer

Mississauga, ON · On-site

CA$79K - CA$110K/yr

The Applications Development Intermediate Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application ...

Td

Java Developer, TD Securities

Toronto, ON · On-site

CA$102K - CA$125K/yr

University or postgraduate degree, preferably with a strong academic background in computer science, engineering, or a related technical discipline. * Java development including J2EE, Spring/Spring ...

Citi

Senior Java Developer - Vice President

Mississauga, ON · On-site

CA$120K - CA$170K/yr

The Applications Development Senior Manager (Senior Java Developer - Vice President) is a senior-level position responsible for driving results through hands-on technical leadership and team guidance ...

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Junior Java Developer information

What is a junior Java developer?

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.

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.

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

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.

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.

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.

How much do junior Java developers make?

Junior Java developers typically earn between $50,000 and $80,000 annually, depending on location, industry, and experience. Entry-level roles often require knowledge of Java, object-oriented programming, and development tools like Eclipse or IntelliJ IDEA.

Is a Junior Java Developer still in demand?

Junior Java Developers remain in demand due to the widespread use of Java in enterprise applications, web development, and Android app creation. Employers seek candidates with foundational Java skills, knowledge of frameworks like Spring, and familiarity with version control tools such as Git. Continuous learning and certifications can enhance job prospects in this field.
More about Junior Java Developer jobs

What cities near Oakville, ON are hiring for Junior Java Developer jobs?

Cities near Oakville, ON with the most Junior Java Developer job openings:

Junior Java Developer jobs near you
Infographic showing various Junior Java Developer job openings in Oakville, ON as of August 2026, with employment types broken down into 100% Full Time. Highlights an 50% In-person, and 50% Remote job distribution.

Senior Java Developer

Toronto, ON • On-site

Poly Services Group
See more jobs at Poly Services Groupexternal

Full-time

Re-posted 2 days ago

Job description

Job Description The Role: SENIOR JAVA SOFTWARE DEVELOPER Location: Toronto, ON (uptown) Industry: Technology Type: Permanent WHAT IS THE OPPORTUNITY. Our client is an 18-year-old SaaS developer and recognized leader of encryption solutions for a range of markets - think Public Sector, Financial Services, Healthcare, and Legal. Some of the problems they try to solve are developing highly scalable products following the best development practices, improving the usability and user experience and ensuring that their enterprise customers get an uninterrupted service 24/7.

We are currently looking for a passionate and versatile Senior Java Software Developer who is able to learn new skills quickly, and who can thrive in a fast-paced environment along with a team of talented developers. WHAT YOU'LL DO IN A DAY: Design, develop, test, maintain and enhance software Work with stakeholders to clarify and define feature requirements and take ownership over projects. WHAT YOU BRING TO THE ROLE: Bachelor's Degree in Engineering, Computer Science, Mathematics or Science or relevant education and experience 6+ years of software development experience Knowledge and experience in development and testing best practices including minimum 3 years' experience using Spring Framework Hands on experience developing application on the Cloud and in containers Mobile application development experience (Android and IOS) Excellent verbal and written communication skills Strong organizational skills and highly detail oriented Collaborative, who is able to work well in a team environment.

Experience with PKI, Cryptography algorithms, Java Cryptographic libraries, JavaScript and UI development and design is an asset Email standards is an asset. We thank all candidates who apply for this role but only those shortlisted will be contacted. If you do require any sort of accommodation during the recruitment process for this role, please contact us directly.

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