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Senior Java Software Engineer Jobs in Ontario (NOW HIRING)

We are seeking a highly skilled Senior Java Engineer to design, develop, and maintain scalable ... software development Strong proficiency in Java (Java 17+) Experience with Spring / Spring Boot ...

Senior Java Engineer

Mississauga, ON · On-site

CA$94K - CA$141K/yr

Position Summary We are seeking an experienced Senior Java Engineer with exceptional analytical and ... Contribute to the team's continual improvement by suggesting enhancements to software architecture ...

Senior Java Engineer

Mississauga, ON · On-site

CA$94K - CA$141K/yr

Position Summary We are seeking an experienced Senior Java Engineer with exceptional analytical and ... Contribute to the team's continual improvement by suggesting enhancements to software architecture ...

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

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 ... software efficiently. You will play a crucial role in designing, developing, and deploying ...

We are seeking a highly motivated and experienced Senior Java Developer to join our dynamic team ... Promote and follow solid agile software development practices * Build for highly reliable, scalable ...

\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.

Minimum 5 years experience as a Senior Engineer\n \n * Excellent communication skills \- both written and verbal\n \n * Experience with Java 11\n \n * Experience with TDD and CI\/CD\n \n * Experience ...

\n \n \n \n \n We are searching for a Senior Java Developer to join a large organisation in the Dublin area. \n \n \n \n \n \n \n This is a unique opportunity to work with some of the newest tech on ...

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

... 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

We are seeking a highly skilled and experienced Senior Java Engineer to join our dynamic team. The ... Fundamental understanding of Large Language Models (LLMs) and their application in software ...

... 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

Senior Java Developer

Mississauga, ON · On-site

CA$94K - CA$141K/yr

We are seeking a highly experienced and motivated Lead Java Developer with 6+ years of industry ... Assign tasks, monitor progress, and ensure timely delivery of high-quality software. Promote a ...

\n \n \n \n \n Our client, an impressive SAAS company, is continuing to build out their tech operations in Dublin. \n \n \n \n \n \n \n We are looking for Java\/Fullstack Software Engineers to join ...

Senior Java Developer

Etobicoke, ON · Hybrid

CA$120K - CA$140K/yr

As a Senior Java Back-End Developer at Localcoin, you will be responsible for developing and maintaining functional and stable back end applications for our company, ensuring system consistency and ...

Senior Java Developer

Mississauga, ON · On-site

CA$94K - CA$141K/yr

The Senior Java Developer is an intermediate level position responsible for participation in the ... and programming of software applications Experience in managing and implementing successful ...

Senior Java Developer

Toronto, ON · Hybrid

CA$120K - CA$145K/yr

Working within the software development team, your duties will require you to assist in the ... Very strong Java programming skills utilizing Spring Boot or Spring Cloud * Front end JS framework ...

Showing results 21-40

Senior Java Software Engineer information

See Ontario salary details

$77K

$135K

$181.5K

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

As of Sep 9, 2026, the average yearly pay for senior java software engineer in Ontario is $135,034.00, according to ZipRecruiter salary data. Most workers in this role earn between $115,000.00 and $153,000.00 per year, depending on experience, location, and employer.

What does a senior Java software engineer do?

A Senior Java Software Engineer is responsible for designing, developing, and maintaining complex software applications using the Java programming language. They often lead technical projects, mentor junior developers, and collaborate with cross-functional teams to deliver high-quality software solutions. Their role includes analyzing user requirements, troubleshooting issues, optimizing code for performance, and ensuring best practices in software development. Senior Java engineers are also involved in code reviews and may contribute to architectural decisions within their organization.

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

To thrive as a Senior Java Software Engineer, you need advanced proficiency in Java programming, software design principles, and a solid understanding of computer science fundamentals, often backed by a degree in computer science or a related field. Experience with frameworks like Spring, build tools such as Maven or Gradle, and version control systems like Git is typically required, along with knowledge of cloud platforms or containerization tools. Strong problem-solving abilities, effective communication, and leadership skills help you mentor team members and collaborate on complex projects. These competencies are crucial for delivering robust, scalable software solutions and leading development teams in dynamic environments.

What are some common challenges faced by senior Java software engineers when leading development projects?

Senior Java Software Engineers often encounter challenges such as balancing hands-on coding with leading and mentoring team members, managing tight project deadlines, and ensuring code quality across the team. They are also responsible for making key architectural decisions and integrating new technologies while maintaining system stability. Effective communication and collaboration with cross-functional teams, including QA, DevOps, and product managers, are essential to successfully deliver robust solutions.

What are the most commonly searched types of Java Software Engineer jobs in Ontario?

The most popular types of Java Software Engineer jobs in Ontario are:

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

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

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

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

What cities in Ontario are hiring for Senior Java Software Engineer jobs?

Cities in Ontario with the most Senior Java Software Engineer job openings:

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

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

Infographic showing various Senior Java Software Engineer job openings in Ontario as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 16% Part Time, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $135,034 per year, or $64.9 per hour.

Senior Java Developer

Mississauga, ON

Virtusa
IT Services • 10K+ employees

Full-time

Re-posted 13 days ago


Job description

We are seeking a highly skilled Senior Java Engineer to design, develop, and maintain scalable, high-performance enterprise applications. The ideal candidate will have deep expertise in Java and modern backend / frontend technologies, a strong understanding of system design, and the ability to mentor junior engineers while collaborating with cross-functional teams. Key Responsibilities Design, develop, test, and maintain high-quality Java applications and services Lead technical design discussions and contribute to architectural decisions Build and optimize RESTful APIs, microservices, and backend systems Ensure application performance, scalability, reliability, and security Write clean, maintainable, and well-documented code following best practices Conduct code reviews and provide constructive feedback to team members Mentor junior engineers and support team knowledge sharing Collaborate with product managers, QA, DevOps, and other stakeholders Troubleshoot complex technical issues in development and production environments Participate in Agile/Scrum ceremonies and contribute to continuous improvement Required Qualifications Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience) 7+ years of professional experience in software development Strong proficiency in Java (Java 17+) Experience with Spring / Spring Boot Solid understanding of object-oriented design, design patterns, and SOLID principles Experience building RESTful APIs and backend services Strong knowledge of SQL and relational databases (e.g., PostgreSQL, Oracle, MySQL) Familiarity with Git and modern CI/CD pipelines Experience working in Agile development environments Excellent problem-solving, communication, and collaboration skills Preferred Qualifications Experience with microservices architecture Exposure to cloud platforms (AWS, Azure, or GCP) Experience with containers and orchestration (Docker, Kubernetes) Knowledge of message queues / streaming platforms (Kafka, RabbitMQ) Familiarity with NoSQL databases (MongoDB, DynamoDB, Cassandra) Understanding of security best practices and authentication (OAuth2, JWT) Experience supporting high-availability or mission-critical systems


Virtusa logo

About Virtusa

Sourced by ZipRecruiter

We are builders, makers, and doers with the technical skills and domain expertise to transform your business at scale and speed without disruption. Our unique Engineering First approach blends deep industry expertise and empowered, agile teams, to create holistic solutions that seamlessly move the business forward. We help clients engage with new technology paradigms to creatively build solutions that drive them to the forefront of their industries.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Westborough, MA, US

Year founded

1996

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