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Sr Java Microservices Developer Jobs in Mississauga, ON

We are seeking a highly skilled Senior Java Engineer to design, develop, and maintain scalable ... optimize RESTful APIs, microservices, and backend systems Ensure application performance ...

We are seeking a highly skilled Senior Java Engineer to design, develop, and maintain scalable ... optimize RESTful APIs, microservices, and backend systems Ensure application performance ...

We are seeking a highly skilled Senior Java Engineer to design, develop, and maintain scalable ... optimize RESTful APIs, microservices, and backend systems Ensure application performance ...

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Senior Java Engineer (React)

Toronto, ON · On-site

CA$70 - CA$120/hr

Refactor and decompose a large monolithic application into microservices. * Design, develop, and ... Comfortable contributing to frontend features and UI enhancements Cloud & DevOps * Cloud- AWS ...

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 complex problems? If so, we have an exciting opportunity for you! We are looking for a Senior Java ...

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 complex problems? If so, we have an exciting opportunity for you! We are looking for a Senior Java ...

Design scalable, secure, and high-performance systems using microservices and distributed ... Java & Application Development Lead design and development of enterprise applications using Java ...

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 ...

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Senior Java Developer (Capital Market and Front Office/Backoffice/Cache Management/ Terraform ... Experience building or refactoring microservices architectures * Cloud experience (AWS preferred ...

About This Role We are looking for a savvy Senior Java Developer to join our growing Prime ... microservices, SSIS workflows, and related enterprise integration platforms. * Write, optimize, and ...

We are seeking a highly skilled and experienced Senior Java Engineer to join our dynamic team. The ... Backend: Advanced proficiency in Core Java, Spring Boot, microservices architecture, and ...

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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 ...

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 ...

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Sr Java Microservices Developer information

What is a Sr Java Microservices developer?

Sr Java Microservices Developers are experienced software engineers who specialize in building and maintaining microservices-based applications using the Java programming language. They design, develop, and deploy scalable, distributed systems that allow different parts of an application to operate independently. Their expertise includes Java frameworks like Spring Boot, RESTful APIs, cloud platforms, and containerization technologies. Senior developers also mentor junior team members, ensure code quality, and help architect robust solutions to meet business requirements.

What are the key skills and qualifications needed to thrive as a Sr Java Microservices developer?

To thrive as a Sr Java Microservices Developer, you need advanced proficiency in Java, microservices architecture, RESTful APIs, and often a degree in computer science or a related field. Familiarity with tools like Spring Boot, Docker, Kubernetes, and CI/CD platforms, as well as experience with cloud services such as AWS or Azure, is typically required. Strong problem-solving abilities, teamwork, and effective communication skills help you collaborate and deliver robust, scalable solutions. These competencies ensure the development of efficient, maintainable, and reliable software systems in dynamic enterprise environments.

What are some common challenges Sr Java Microservices developers face when transitioning from monolithic to microservices architectures?

Sr Java Microservices Developers often encounter challenges such as managing distributed system complexity, ensuring secure and reliable inter-service communication, and handling data consistency across services. Adapting to containerization and orchestration tools like Docker and Kubernetes, as well as implementing effective monitoring and logging for numerous services, can also be demanding. However, these challenges are balanced by opportunities to work with modern technologies and play a key role in architectural decision-making within cross-functional teams.

What are popular job titles related to Sr Java Microservices Developer jobs in Mississauga, ON?

For Sr Java Microservices Developer jobs in Mississauga, ON, the most frequently searched job titles are:

What job categories do people searching Sr Java Microservices Developer jobs in Mississauga, ON look for?

The top searched job categories for Sr Java Microservices Developer jobs in Mississauga, ON are:

Infographic showing various Sr Java Microservices Developer job openings in Mississauga, ON as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 8% Part Time, 1% Temporary, and 6% Contract. Highlights an 82% Physical, 8% Hybrid, and 10% Remote job distribution.

Senior Java Developer

Virtusa

Mississauga, ON

Full-time

Re-posted 23 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


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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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