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Sr Java Engineer Jobs in Ontario (NOW HIRING)

\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 ...

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 ...

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

... on a Senior Software Engineer vacancy. \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

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 ...

Minimum 7 years Java Development experience \n * Excellent communication skills both written and verbal \n * Strong experience using Spring framework \n * SQL experience \n \n \n This role will be ...

Senior IT Java Developer

Toronto, ON · On-site +1

CA$105K - CA$129K/yr

Job Summary We are seeking a Senior Java Developer / Architect to design, build, and operate scalable, event-driven, cloud-native applications using Apache Kafka, Spring Boot, and Microsoft Azure.

... an engineer who wants to learn, try new things and share their ideas\/experience along with the rest of the team. \n \n \n \n \n \n Tech Stack Java \/ React \/ Docker \/ Kubernetes \/ MongoDB ...

Senior Java Developer, TD Securities

Toronto, ON · On-site

CA$102K - CA$125K/yr

We do this by designing, developing, and enhancing java based microservices that support different ... senior developer) * Actively contributing code and laying the foundation for technical features ...

... n * 5+ years' Java Development experience \n * Cloud experience \n * An interest in Machine ... An ambition to lead engineers would be nice to have \n * Solid Linux background \n \n \n \n \n \n

It still maintains a close knit community environment with very low staff turnover. \n \n \n \n \n \n We are looking for a Fullstack Developer \- Java\/Spring stack with a React frontend (more ...

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Sr Java Engineer information

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

To thrive as a Sr Java Engineer, you need advanced expertise in Java programming, object-oriented design, and experience with frameworks like Spring or Hibernate, usually supported by a degree in computer science or related field. Familiarity with development tools such as Maven, Git, CI/CD pipelines, and cloud platforms like AWS or Azure is typically required. Strong problem-solving abilities, effective communication, and leadership skills set top performers apart in this role. These skills and qualifications are crucial for delivering robust, scalable software solutions and leading technical teams efficiently.

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

AspectSr Java EngineerJava Developer
Required CredentialsBachelor's in CS or related, often with certifications like Oracle Java CertificationBachelor's in CS or related, similar certifications
Work EnvironmentTeam projects, software development, system architectureApplication coding, feature development, bug fixing
Industry UsageUsed across tech companies, finance, healthcare, and moreCommon in software firms, startups, and enterprise applications

While both roles involve Java programming, Sr Java Engineers typically have more experience, handle complex system design, and mentor junior developers. Java Developers focus on coding and implementing features. The roles often overlap, but the seniority and scope differ.

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

Sr Java Engineers often encounter challenges such as managing complex codebases, ensuring high performance under heavy loads, and maintaining robust security standards. Collaborating with cross-functional teams—including DevOps, QA, and front-end developers—is essential for addressing integration issues and streamlining deployments. Staying updated with evolving Java frameworks and best practices is also crucial, as technology stacks in enterprise environments change rapidly. Effective communication and problem-solving skills greatly help in navigating these challenges.

What is a Sr Java Engineer?

A Sr Java Engineer is an experienced software developer who specializes in designing, developing, and maintaining complex applications using the Java programming language. They often take on leadership roles within development teams, mentor junior developers, and are responsible for making key architectural decisions. Sr Java Engineers work with frameworks such as Spring and Hibernate, implement best coding practices, and ensure that software projects meet performance, scalability, and security requirements. Their expertise is critical in building reliable enterprise-level applications.
Infographic showing various Sr Java Engineer job openings in Ontario as of May 2026, with employment types broken down into 67% Full Time, and 33% Contract. Highlights an 67% In-person, and 33% Remote job distribution.

Full-time

Posted 7 days ago


Job description

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\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 will act as the liaison between the development and design team.<\/span>
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  • Minimum 5 years development experience \- Java
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  • Excellent communication skills \- both written and verbal
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  • Strong experience with Spring
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  • SQL
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