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Freelance Java Backend Developer Jobs in Toronto, ON

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 ...

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 ...

What You'll Do * Design and build scalable backend applications using Java, Spring Boot ... developer productivity and software quality. Bonus Points For * Experience with domain-driven ...

... Java back-end development with the following technologies: JDK 8+, GitHub, REST, Spring, Spring ... DevOps technologies such as GitHub Actions, Ansible, Nexus,Artifactory, Airflow, etc. Ability to ...

Should have 6 to 8+ years of experience in Java back end technologies like Core Java, Spring ... DevOps tools like Jenkins. Should have working experience or sound knowledge in PCF, OCP Should ...

RBC Global Payment Technology team is seeking a Java Backend Lead Developer to join this exciting journey to build the future global payment platform where millions of payments must be processed ...

A Java Developer designs, develops, tests, and maintains scalable Java-based applications (web ... Build new and enhance existing Java applications, including back-end services, APIs (RESTful), and ...

We are seeking a talented Java Developer with expertise in Spring, Spring Boot, REST APIs, SOAP ... backend technologies. * Design and implement RESTful APIs and SOAP services. * Maintain the ...

Commercial Banking Engineering is seeking a skilled Java Developer with extensive experience in ... The ideal candidate will have a strong foundation in both front-end and back-end technologies, with ...

Actively work to improve the developer process and experience in all phases from coding to ... Experience in Python, Java, C++, or Go or another language and a willingness to learn * Experience ...

... Java 11+) and understanding of Spring ecosystem (Spring Cloud,Spring Data, andSpring Security ... Experience with Agile/Scrum methodologies and DevOps culture * Knowledge ofchaos engineeringand ...

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Freelance Java Backend Developer information

What are the most commonly searched types of Java Backend Developer jobs in Toronto, ON? The most popular types of Java Backend Developer jobs in Toronto, ON are:
Senior Java Developer

Senior Java Developer

Virtusa

Mississauga, ON

Other

Posted 12 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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