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Full Stack Engineer - Java, NodeJS & UI

  • Toronto, ON, Canada

Full-time

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Job details

Job type
Full-time
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Posting language
English
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Original job description

FULL STACK ENGINEER - JAVA, NODEJS & UI

ROLE DESCRIPTIONS

Design and develop high-quality Java applications and services while maintaining code quality. Write comprehensive unit tests and apply test-driven development practices. Collaborate with cross-functional teams to deliver secure and reliable solutions. Refactor existing codebases to improve performance and maintainability. Stay updated with emerging technologies to enhance development processes.

FULL STACK ENGINEER

JOB DESCRIPTION

We are looking for a seasoned Senior Full Stack Engineer who is passionate about building high-quality, secure, and maintainable software. As part of the Technology and Transformation Strategy team, you will design, develop, test, and support large-scale Java applications, services, and developer tooling that power the end-to-end software delivery experience. You will bring strong NodeJS core Java expertise and UI technologies, a test-first mindset, and a security-by-design approach writing robust unit tests, upholding code quality, and helping development teams deliver faster, more securely, and with higher quality.

WHAT YOU WILL DO

  • Design, develop, and maintain high-quality, maintainable Java applications and services 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) and continuous testing practices to drive design, maximize coverage, and prevent regressions.
  • Build modular, reusable, and testable applications and APIs (REST web services) in Java.
  • Embed security-by-design throughout the development life cycle, following secure coding standards and addressing vulnerabilities early.
  • 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, security scanning, and quality gates into CICD pipelines.
  • Use tools such as SonarQube and JaCoCo to measure, enforce, and continuously improve code quality and test coverage.
  • 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, security, and reliability issues.
  • Stay current with emerging technologies, including AI-assisted development and developer experience platforms, and evaluate how they can improve quality and productivity.

ESSENTIAL SKILLS

  • Experience with AI-assisted development tools and backend API technologies is advantageous.
  • Familiarity with containerization and orchestration technologies like Docke
More about this job

Responsibilities

Design, develop, test, and maintain secure, high-quality Java applications, services, APIs, and developer tooling, using test-driven practices and automated quality checks. Improve existing codebases and resolve technical issues while collaborating with cross-functional teams to deliver reliable software.

Requirements

The role calls for a seasoned senior full stack engineer with strong Java, Node.js, and UI technology expertise, along with experience building backend APIs and writing unit tests with JUnit and Mockito. Candidates should apply secure coding, TDD, code quality practices, and CI/CD testing tools; containerization experience and AI-assisted development tools are advantageous.

Skills

  • Java
  • Node.js
  • UI Technologies
  • REST APIs
  • JUnit
  • Mockito
  • Test-Driven Development
  • Unit Testing
  • Core Java
  • Secure Coding
  • Code Reviews
  • CI/CD
  • SonarQube
  • JaCoCo
  • Docker
  • Troubleshooting

Visa sponsorship

Not detected in the job text

Categories

  • Software
  • Technology
  • Engineering

Keywords

  • Java
  • Node.js
  • UI Technologies
  • REST Web Services
  • Backend APIs
  • JUnit
  • Mockito
  • Test-Driven Development
  • Continuous Testing
  • Unit Testing
  • Core Java
  • Collections
  • Concurrency
  • Multithreading
  • Generics
  • Streams
  • JVM Memory Management
  • Secure Coding
  • Code Reviews
  • Pair Programming
  • CI/CD
  • SonarQube
  • JaCoCo
  • Static Code Analysis
  • Security Scanning
  • Quality Gates
  • Docker
  • AI-Assisted Development
  • Developer Experience Platforms
  • Refactoring

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