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Senior Java Engineer Jobs in Ontario (NOW HIRING)

Understand, analyze, and reverse engineer existing legacy codebases to identify improvement ... At least 3 years in a senior developer role or equivalent. * Proven experience in Java development ...

Minimum 5 years experience as a Senior Engineer \n * Experience with Java 11 \n * Strong experience with Spring frameworks \n * Experience with TDD and CI\/CD \n * Experience in financial services ...

Understand, analyze, and reverse engineer existing legacy codebases to identify improvement ... At least 3 years in a senior developer role or equivalent. * Proven experience in Java development ...

\n \n \n \n \n Are you a Senior Java Developer with extensive cloud experience looking for your next challenge? Do you have Microservices and TDD? Are you interesting in working in the banking sector?

Job Title: Sr. Java Fullstack developer Skills: Java, Springboot, API, AWS, Angular Experience: 10+ years Location: Markham,ON (Hybrid) Duration: Fulltime We at Coforge are hiring a Sr. Java ...

Senior Java Developer

Mississauga, ON ยท On-site

CA$94K - CA$141K/yr

The Applications Development Senior Programmer Analyst is an intermediate level position ... Core Java, Java EE, Spring Boot, Spring Microservices. * Programming Principles: Strong ...

New

You will work on a high performing team of Senior Java Developers where you will be joining the newly formed Cloud Transformation team. There are many Cloud Architects across the team who you will be ...

... performing team of Senior Java Developers where you will be joining the newly formed Cloud ... Transformation team. There are many Cloud Architects across the team who you will be working ...

Senior Java Engineer, TD Securities

Toronto, ON ยท Hybrid

CA$126K - CA$164K/yr

... engineering mindset to help us grow our risk & valuation applications throughsoftware design anditsimplementation in Java. This is an excellent opportunity to contribute to thestrategic growth and ...

Learn from deep subject matter experts through mentoring and on the job coaching Summary We are seeking Senior Java Developers to join our team on a 1-year fixed term. As a Java Developer at Deloitte ...

A Java Developer designs, develops, tests, and maintains scalable Java-based applications (web, enterprise, mobile) by writing clean code, collaborating with teams, and integrating with databases and ...

You will work on a high performing team of Senior Java Developers where you will be joining the newly formed Cloud Transformation team. There are many Cloud Architects across the team who you will be ...

... n We need Senior Java Engineers who have led teams, to work on both the Architecture and Development on multiple key projects. \n \n \n \n \n \n This is ideal for someone who enjoys mentoring ...

Senior JAVA Backend Developer

Toronto, ON ยท Remote

CA$80 - CA$90/hr

Senior Java Backend Developer Location: 100% Remote, Canada Experience: 7 to 10 Years Employment Type: T4 Contract Rate: CAD $80 to $90 per Hour Role Summary NearSource is seeking a Senior Java ...

New

\n \n \n \n \n We are looking for an experienced Java Developer for a contract position in Dublin. You will be joining a rapidly expanding team who are working on the most cutting edge products. \n \n ...

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Showing results 1-20

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 Jun 18, 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 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 the key skills and qualifications needed to thrive as a Senior Java Engineer, and why are they important?

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 Senior Java Engineers?

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 cities in Ontario are hiring for Senior Java Engineer jobs? Cities in Ontario with the most Senior Java Engineer job openings:
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 Full Stack Developer Java

GFR Technologies SE

Toronto, ON โ€ข On-site

Other

Posted 13 days ago


Job description

This is a long term contract opportunity (12 mnths contract) and has no sponsorship option

We are seeking a Senior Java Developer to join our Client's Banking team. This role will involve working on Delta One business requirements, small enhancements, and migrating our application to proximity data centres.
Role is located in Downtown Toronto on a hydrid basis!

Contract role pays: 65-95$hr

Hours per week: 40hrs/ week

Key Responsibilities:

  • The Senior Full Stack Developer is responsible for DevOps and the delivery of core Java, Scala and web services and applications.
  • Work collaboratively with the team and stakeholders to proactively gather requirements, plan, develop, and deploy new features, enhancements, and bug fixes to production.
  • Participate in production support and release preparation as part of a rota.
  • Support the migration of applications to proximity data centres.
  • Collaborate closely with colleagues in New York, London, and China to ensure seamless integration and functionality.

Required Skills & Qualifications:

  • At least 5 years of experience working as a Java developer at a senior level
  • Experience in agile development and methodologyย 
  • A fast learner, a team player and adaptable to change.
  • Strong communication skills in English (written and spoken)

Preferred Qualifications:

  • Some experience working with React and JavaScript for UI changes.
  • Proficiency in Scala.
  • Experienced with Google Cloud Platform (GCP) services and deployments.
  • Prior experience in a front office trading environment.