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Senior Java Developer – TDD, JUnit, CICD & Code Quality

Astra North Infoteck Inc.

Job Location:

Toronto - Canada

Monthly Salary: K 10 - 10

Experience Required: 5years

Posted: 15 September 2026 (2 days ago)

Application Deadline: 13 December 2026

Vacancies: 1 Vacancy

Job Summary

Senior Java Developer TDD JUnit CI/CD & Code Quality
Roles and Responsibilities:
Design develop and maintain high-quality maintainable Java applications using clean code principles and established design patterns.
Write comprehensive meaningful unit tests using JUnit and Mockito to ensure code correctness reliability and long-term maintainability.
Apply test-driven development (TDD) practices to drive design maximize coverage and prevent regressions.
Champion code quality through thorough code reviews pair programming and adherence to coding standards and best practices.
Refactor and improve existing codebases to reduce technical debt and enhance readability performance and testability.
Apply core Java conceptscollections concurrency and multithreading generics streams exception handling and JVM memory managementto build robust solutions.
Integrate automated unit testing static code analysis and quality gates into CI/CD pipelines.
Use tools such as SonarQube and JaCoCo to measure enforce and continuously improve code quality and test coverage.
Build modular reusable and testable applications and APIs (REST web services) in Java.
Collaborate with architects business and application analysts operations teams and testing specialists to deliver reliable secure high-quality solutions.
Diagnose troubleshoot and resolve complex technical performance and reliability issues.
Ensure information security standards and requirements are incorporated into all solutions.
Stay current with emerging technologies including AI-assisted development and automated test generation and evaluate how they can improve quality and productivity.
Skills Required:
5 years of software development experience in Java spanning the full application development life cycle.
Strong command of core Java concepts including collections concurrency/multithreading generics streams lambdas exception handling and JVM memory management.
Proven hands-on experience writing effective unit tests with JUnit and mocking frameworks such as Mockito.
Solid understanding of test-driven development (TDD) test automation and continuous testing practices.
Deep commitment to code quality clean code SOLID principles and design patterns.
Experience with static code analysis and code coverage tools such as SonarQube and JaCoCo.
Experience building RESTful APIs and microservices using frameworks such as Spring / Spring Boot.
Experience with build tools such as Maven or Gradle.
Experience with source code management tools such as Git and Bitbucket.
Experience integrating automated tests and quality checks into CI/CD pipelines (for example Jenkins).
Strong analytical problem-solving communication and technical documentation skills.
Ability to work effectively in a fast-paced cross-functional Agile environment.
Nice to Have (Added Advantage):
Experience using AI-assisted development tools (for example GitHub Copilot) to accelerate coding and testing.
Experience with AI-powered or automated unit test generation frameworks (for example Diffblue Cover EvoSuite or similar) is a strong added advantage.
Experience with integration performance and contract testing tools.
Experience with containerization and orchestration technologies such as Docker and Kubernetes.
Experience with cloud platforms such as AWS.
Knowledge of security scanning tools such as SonarQube JFrog Xray or similar.
Experience with Jira Confluence and Agile delivery practices.
University Degree or College Diploma in Computer Science or a related technology field.
Knowledge of the financial and insurance industries.