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Senior Java Engineer Jobs in Ontario (NOW HIRING)

StackandCo

Senior Java Developer

Galway, NY · On-site

\n \n \n \n \n We have a contract position available for a Java developer within a rapidly growing global team. You will be responsible for the design and development of the company's platform and ...

StackandCo

\n \n \n \n \n We are looking for an experienced Java Developer for a contract position in Dublin. You will be working as part of an agile team to deliver the highest quality solutions! \n \n \n \n \n ...

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 ...

StackandCo

... on a Senior Software Engineer vacancy (multiple available). \n \n \n \n \n \n \n We need someone ... Highly skilled Software Engineer, ideally 7+ years' experience primarily in Java (flexible)\n \n

StackandCo

... Senior Software Engineer vacancy. \n \n \n \n \n \n \n This is a nice opportunity to join a ... Highly skilled Software Engineer, ideally 7+ years' experience primarily in Java (flexible)\n \n

Citi

Senior Java Developer, Vice President

Mississauga, ON · On-site

CA$120K - CA$170K/yr

We're currently looking for a high caliber professional to join our team as Senior Java Developer, Vice President. Cross Asset Margin technology teams actively develop and enhance set of strategic ...

Citi

Senior Java Developer, Vice President

Mississauga, ON · On-site

CA$120K - CA$170K/yr

We're currently looking for a high caliber professional to join our team as Senior Java Developer, Vice President. Cross Asset Margin technology teams actively develop and enhance set of strategic ...

StackandCo

We are looking for a Senior Developer for our clients digital solutions area were you will be using Adobe Experience Manager. Although AEM experience would be ideal, this can be substituted for Java ...

Infoya

CA$80K - CA$100K/yr

We are looking for an experienced Java Developer to design, build, and maintain robust, scalable, and high-performance applications. This role focuses on developing modern e-commerce and enterprise ...

StackandCo

We are looking for a Senior Developer for our clients digital solutions area were you will be using Adobe Experience Manager. Although AEM experience would be ideal, this can be substituted for Java ...

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All JobsJava Engineer JobsSenior Java Engineer JobsSenior Java Engineer Jobs in Ontario

Senior Java Engineer information

See Ontario salary details

$77.5K

$133.8K

$193K

How much do senior java engineer jobs pay per year?

As of Sep 11, 2026, the average yearly pay for senior java engineer in Ontario is $133,849.00, according to ZipRecruiter salary data. Most workers in this role earn between $113,000.00 and $150,000.00 per year, depending on experience, location, and employer.

What is a senior Java engineer?

Senior Java Engineers are experienced software developers who specialize in designing, developing, and maintaining applications using the Java programming language. They often lead development teams, architect solutions, and ensure that software meets both technical and business requirements. Their responsibilities also include code reviews, mentoring junior developers, and optimizing application performance. Typically, they have several years of experience and a deep understanding of Java frameworks and best practices.

What are the key skills and qualifications needed to thrive as a senior Java engineer?

To thrive as a Senior Java Engineer, you need advanced proficiency in Java programming, strong knowledge of software design patterns, and a degree in computer science or related field. Experience with frameworks like Spring, Hibernate, build tools such as Maven or Gradle, and familiarity with cloud platforms and CI/CD systems are typically required. Excellent problem-solving abilities, leadership, and effective communication help you guide teams and collaborate with stakeholders. These skills are crucial for delivering robust, scalable software solutions and mentoring junior engineers in complex development environments.

What are some common challenges senior Java engineers face when working on large-scale enterprise applications?

Senior Java Engineers often encounter challenges such as managing complex codebases, ensuring application scalability, and maintaining high performance under heavy loads. They are also responsible for implementing robust security practices and integrating new technologies without disrupting existing systems. Effective collaboration with cross-functional teams and mentoring junior developers are crucial aspects of the role, as these responsibilities help maintain code quality and project momentum.

What is the difference between Senior Java Engineer vs Java Developer?

AspectSenior Java EngineerJava Developer
Required CredentialsBachelor's in Computer Science, Java certifications (e.g., Oracle Certified Professional)Bachelor's in Computer Science or related field, Java certifications optional
Work EnvironmentDesigning, developing, and maintaining complex Java applications, often in team leadership rolesDeveloping Java applications, focusing on coding and implementation
Industry UsageUsed across finance, tech, and enterprise sectors for large-scale projectsCommonly employed in software development firms, startups, and tech companies

While both roles involve Java programming, Senior Java Engineers typically handle complex system design, mentorship, and project leadership, whereas Java Developers focus more on coding and implementing features. The senior role often requires more experience and certifications, with a broader scope of responsibilities.

What are popular job titles related to Senior Java Engineer jobs in Ontario?

For Senior Java Engineer jobs in Ontario, the most frequently searched job titles are:

What job categories do people searching Senior Java Engineer jobs in Ontario look for?

The top searched job categories for Senior Java Engineer jobs in Ontario are:

What are popular job titles related to Senior Java Engineer jobs in ON?

For Senior Java Engineer jobs in ON, the most frequently searched job titles are:

Senior Java Engineer jobs near you
Infographic showing various Senior Java Engineer job openings in Ontario as of August 2026, with employment types broken down into 89% Full Time, 7% Part Time, and 4% Contract. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution, with an average salary of $133,849 per year, or $64.4 per hour.

Senior Java Developer

Galway, NY • On-site

StackandCo
See more jobs at StackandCoexternal

Full-time

Re-posted 11 days ago

Job description

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\n What You Will Need\n
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  • Minimum 5 years development experience \- Java\n
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  • Excellent communication skills \- both written and verbal\n
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  • Strong experience with Spring\n
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  • SQL\n
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