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Senior Java Software Developer Jobs in Ontario (NOW HIRING)

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 ...

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 ...

\n \n \n Senior Java Engineer \- \/AWS \n \n * Dublin\/ Galway - Remote\/WFH \n * Long Term Contract \n * Negotiable Day Rate \n Leading Fintech\/ Financial Services organisation is looking for a ...

Minimum of 7 years of professional experience in Java software development. * Strong expertise in Object-Oriented Programming (OOP) and Functional Programming paradigms. * Experience working in an ...

We are looking for an experienced Senior Java Developer for our client. This is a permanent ... You Have: * 5+ years' experience as a Software Developer * Prior experience mentoring junior ...

We are looking for an experienced Senior Java Developer for our client. This is a permanent ... You Have: * 5+ years' experience as a Software Developer * Prior experience mentoring junior ...

We are looking for an experienced Senior Java Developer for our client. This is a permanent ... You Have: * 5+ years' experience as a Software Developer * Prior experience mentoring junior ...

We are looking for an experienced Senior Java Developer for our client. This is a permanent ... You Have: * 5+ years' experience as a Software Developer * Prior experience mentoring junior ...

We are looking for an experienced Senior Java Developer for our client. This is a permanent ... You Have: * 5+ years' experience as a Software Developer * Prior experience mentoring junior ...

We are looking for an experienced Senior Java Developer for our client. This is a permanent ... You Have: * 5+ years' experience as a Software Developer * Prior experience mentoring junior ...

Follow best practices and guidance provided by the Senior developer \n * Write well\-engineered ... Experience troubleshooting Java \n * Must have at least a stamp 4 Visa in order to be considered ...

Senior Java Developer

Toronto, ON · On-site +1

$91K - $120K/yr

Are you a Senior Java Developer who loves working with cutting-edge technologies and solving ... Apply software engineering fundamentals such as data structures, testing and debugging to ensure ...

Senior Java Developer

Toronto, ON · On-site +1

$91K - $120K/yr

Are you a Senior Java Developer who loves working with cutting-edge technologies and solving ... Apply software engineering fundamentals such as data structures, testing and debugging to ensure ...

Design software solutions by interacting with portfolio managers, traders, operations staff and ... Strong Java experience in enterprise environments + Knowledge in Python (2 years) * Experience with ...

\n \n \n \n \n Senior Java Developer required for a Cybersecurity organisation in Dublin, working ... years' Software Engineering experience \n * Solid DevOps exposure would be nice to have \n

\n \n \n \n \n Senior Java Developer required for a Cybersecurity organisation in Dublin, working ... * 6+ years' Software Engineering experience \n * Experience at all stages of the SDLC \n

Senior JAVA Backend Developer

Toronto, ON · Remote

CA$80 - CA$90/hr

Senior Java Backend Developer Location: 100% Remote, Canada Experience: 7 to 10 Years Employment ... Must-Have Skills * 7 to 10 years of professional software engineering experience. * Strong backend ...

\n \n \n \n \n Our client in Galway are beginning to hire Java Engineers (up to senior level) to help the team build out their globally renowned and ever\-present SAAS offering on a permanent basis.

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Senior Java Software Developer information

See Ontario salary details

$86.5K

$135K

$262.5K

How much do senior java software developer jobs pay per year?

As of Jun 25, 2026, the average yearly pay for senior java software developer in Ontario is $134,992.00, according to ZipRecruiter salary data. Most workers in this role earn between $117,000.00 and $138,000.00 per year, depending on experience, location, and employer.

What is a Senior Java Software Developer?

A Senior Java Software Developer is an experienced professional responsible for designing, developing, and maintaining complex software applications using the Java programming language. They typically lead development teams, mentor junior developers, and contribute to architectural decisions. Senior Java Developers are expected to have a deep understanding of Java frameworks, best coding practices, and software development methodologies. They also collaborate with stakeholders to deliver robust, scalable, and efficient software solutions.

What are some common challenges Senior Java Software Developers face when leading projects, and how can they effectively address them?

Senior Java Software Developers often encounter challenges such as balancing hands-on coding with mentoring junior team members, managing project timelines, and ensuring code quality across large, distributed systems. To address these, it’s crucial to establish clear communication channels, implement robust code review processes, and leverage agile methodologies for project management. Additionally, staying up-to-date with the latest Java frameworks and best practices helps in making informed architectural decisions and streamlining development workflows.

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

To thrive as a Senior Java Software Developer, you need advanced proficiency in Java programming, strong knowledge of software design patterns, and experience with frameworks like Spring, typically backed by a bachelor's degree in computer science or a related field. Familiarity with tools such as Git, Maven, Jenkins, and cloud platforms, along with relevant certifications like Oracle Certified Professional Java SE, is often required. Strong problem-solving abilities, effective communication, and leadership skills help in mentoring teams and collaborating on complex projects. These skills ensure the delivery of robust, scalable software solutions and foster innovation within development teams.

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

AspectSenior Java Software DeveloperJava Software Engineer
Required CredentialsBachelor's degree in Computer Science or related field; extensive Java experience; certifications like Oracle Java CertificationBachelor's degree in Computer Science or related field; Java programming skills; certifications are common but not mandatory
Work EnvironmentDevelops complex applications, mentors junior staff, leads projectsDesigns and develops Java applications, collaborates with teams, implements features
Employer & Industry UsageUsed across tech companies, finance, healthcare, and enterprise sectorsCommon in software development firms, IT departments, and tech startups

The main difference between a Senior Java Software Developer and a Java Software Engineer lies in experience level and responsibilities. Senior developers often lead projects and mentor others, while Java Software Engineers focus on designing and implementing Java applications. Both roles require strong Java skills and similar educational backgrounds, but seniority involves additional leadership and project management duties.

What cities in Ontario are hiring for Senior Java Software Developer jobs? Cities in Ontario with the most Senior Java Software Developer job openings:
What are popular job titles related to Senior Java Software Developer jobs in ON? For Senior Java Software Developer jobs in ON, the most frequently searched job titles are:
Infographic showing various Senior Java Software Developer job openings in Ontario as of June 2026, with employment types broken down into 1% Internship, 80% Full Time, 6% Part Time, and 13% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution, with an average salary of $134,992 per year, or $64.9 per hour.

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Posted 14 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.