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Added 17 hours ago
D
Software Engineer
Dexian
Toronto, ON
- Contract
Job Description: Software Developer III – Java
Added 17 hours ago
BS
Infrastructure Engineer/ Engineering Specialist/Platform Engineer
Brainhunter Systems Ltd
Toronto, ON
- Contract
As an Engineer Specialist you will play a critical role in enabling secure, reliable, and scalable technology environments that support key business operations. This role focuses on…
Added 17 hours ago
O
Staff FullStack Engineer, Secures AI
Okta
Toronto, ON
- $160,000 to $220,000 CAD / year
- Full-time
As a Staff Fullstack Engineer on the Okta Secures AI team, your mission is to build the industry's first Identity Security Fabric for the agentic era. You are the architect of our unified…
Added 17 hours ago
OP
Associate Software Engineer - Full Stack
Ontario Power Generation
Oshawa, ON
- Full-time
Ontario Power Generation (OPG) is looking for a dynamic, strategic and results-driven professional to join our team in the role of Associate Software Engineer - Full Stack.
Added 17 hours ago
MI
FHIR Integration Engineer/Full Stack Engineer (Healthcare) 7+ years of experience
Maarut Inc
Toronto, ON
- Contract
Senior-level experience developing Java and Node.js services, REST APIs, FHIR integrations, event publishers and consumers, and production application logic.
Added 17 hours ago
O
Staff FullStack Engineer, Secures AI
Okta
Waterloo, ON
- $160,000 to $220,000 CAD / year
- Full-time
As a Staff Fullstack Engineer on the Okta Secures AI team, your mission is to build the industry's first Identity Security Fabric for the agentic era. You are the architect of our unified…
Added 17 hours ago
T
Java Software Engineer
Tekshapers
Toronto, ON
- Full-time
Design, develop, and maintain high-quality, maintainable Java applications and services using clean code principles and established design patterns.
Added 17 hours ago
W
Software Engineer I
Wayfair
Toronto, ON
- $120,000 to $130,000 CAD / year
- Full-time
Experience or exposure to SQL, Java, and Python
Added 17 hours ago
O
Staff FullStack Engineer, Secures AI
Okta
Kitchener, ON
- $160,000 to $220,000 CAD / year
- Full-time
As a Staff Fullstack Engineer on the Okta Secures AI team, your mission is to build the industry's first Identity Security Fabric for the agentic era. You are the architect of our unified…
Added 17 hours ago
C
AI Security Research Engineer
Centraprise
Toronto, ON
- $50 to $60 CAD / hour
- Contract
Technical Security Research Engineer to research, prototype, evaluate, and operationalize emerging cybersecurity capabilities. This is a hands-on role for someone who can move from a…
Added 17 hours ago
AI
SDET Engineer
Avanciers Inc.
Toronto, ON
- $80,000 to $90,000 CAD / year
- Full-time
Strong hands-on experience with Java, REST Assured, Selenium WebDriver, and Appium.
Added 17 hours ago
LM
Software Engineer - CMS 330
Lockheed Martin
Dartmouth, NS
- Full-time
The Software Engineer role is a highly skilled individual contributor who brings a wide range of technical capabilities to Lockheed Martin. In this role, the software engineer will be…
Added 17 hours ago
LM
Senior Software Engineer - Product Lead
Lockheed Martin
Ottawa, ON
- Full-time
The Senior Software Engineer is a technical leader and subject matter expert who combines hands-on software development with team leadership and mentorship. In this role, the successful…
Added 18 hours ago
O
Manager, Software Development
OpenText
Richmond Hill, ON
- Full-time
…software engineers and technical specialists working across Java-based cloud services, Python-based AI and document intelligence, React user experiences, enterprise integrations, and…
Added 22 hours ago
Staff FullStack Engineer, Secures AI
Okta
Toronto, ON
As a Staff Fullstack Engineer on the Okta Secures AI team, your mission is to build the industry's first Identity Security Fabric for the agentic era. You are the architect of our unified…
Added 23 hours ago
C
Senior Solutions Engineer
ChapsVision
Montreal, QC
- Full-time
En tant qu’Ingénieur(e) principal(e) en solutions (Senior Solutions Engineer), vous agirez à titre de leader technique principal dans le cadre de nos mandats clients les plus stratégiques…
Added 23 hours ago
C
Embedded Software Engineer – Co-op Winter 2027
Ciena
Ottawa, ON
- Full-time
High-level programming and scripting languages such as Java, Python, Perl, Tcl, bash; YANG modeling language and toolchains; software development methodologies such as Agile or Waterfall;…
Added 23 hours ago
M
Software Engineer -Data Processing Backend
Morningstar
Toronto, ON
- Full-time
At Morningstar, helping investors is what brings us together and drives our work. We are looking for a Software Engineer who’s an expert with C# .NET and SQL to join our team and grow with…
Added 1 day ago
R
Software Development Engineer II (SDE2), Trust Experience
Remitly
Burnaby, BC
- Full-time
We are looking for a Software Development Engineer II (SDE2) to join the Trust Experience (TREX) team within the Identity & Trust organization.
Added 1 day ago
T
Software Engineer II - Online & Mobile Backend Developer
TD
London, ON · Toronto, ON
- Full-time
You will have the opportunity to work as a Software Engineer on our Online & Mobile backend team.
Added 1 day ago
Senior Software Dev Engineer, Route 53 Health Checks and Console Core
Amazon
Vancouver, BC
AI is central to how we work and what we build. As a senior engineer on the team, you will own how we work with it. You will define the AI development process the team runs on across…
Added 1 day ago
Staff Software Engineer, Identity Threat Protection
Okta
Toronto, ON
Okta is seeking a Staff Software Engineer to be a driving force on the ITP engineering team. This is your chance to dive into the deep end and solve the most critical and complex security…
Added 1 day ago
JA
Technical Specialist, Senior - Vital Software
JR Automation
Toronto, ON
- Full-time
Angular, TypeScript, WebSockets, Java-based back-end development.
Added 1 day ago
JA
System Design Specialist, Intermediate
JR Automation
Toronto, ON
- Full-time
Angular, TypeScript, WebSockets, Java-based back-end development.
Added 1 day ago
JA
Software Architect - Vital Software
JR Automation
Toronto, ON
- Full-time
Experience with additional programming languages such as Java, C#, Python, and Assembly.

Tekshapers

Java Software Engineer

Toronto, ON, Canada

Full-time

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Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Nov 28, 2026
Experience: 5+ years of software development experience in Java / NodeJs, spanning the full application development life cycle.
Posting language: English
Posted: Oct 29, 2026

Original job description

Job Title: Senior Java Engineer

Job Description:-

Roles and Responsibilities:

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 concepts - collections, concurrency and multithreading, generics, streams, exception handling, and JVM memory management - to build robust solutions.

Integrate automated unit testing, static code analysis, security scanning, 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.

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.

Skills Required:

5+ years of software development experience in Java / NodeJs, spanning the full application development life cycle.

Experience with modern UI technologies (for example, React, Angular, TypeScript, JavaScript, HTML5, CSS) is preferred.

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.

Working knowledge of secure coding practices and application security fundamentals (for example, the OWASP Top 10).

Experience building RESTful APIs and microservices using frameworks such as Spring / Spring Boot.

Experience with static code analysis, code coverage, and security scanning tools such as SonarQube and JaCoCo.

Experience with build tools such as Maven or Gradle and source code management tools such as Git and Bitbucket.

Experience integrating automated tests, quality checks, and security gates 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 working with AI agents or agentic development workflows.

Experience with backend API technologies such as Node.js is preferred.

Experience with Backstage and related developer portal technologies.

Experience building and maintaining CI/CD pipelines and related tooling.

Experience with containerization and orchestration technologies such as Docker and Kubernetes.

Experience with cloud platforms such as AWS.

Experience with Jira, Confluence, and Agile delivery practices.

University Degree or College Diploma in Computer Science or a related technology field.

Apply About employer

More about this job

Responsibilities

Design, develop, test, and maintain secure, high-quality Java applications, REST APIs, and microservices, applying clean code, design patterns, and test-driven development. Improve existing systems and CI/CD quality controls, troubleshoot complex issues, and collaborate with cross-functional teams to deliver reliable solutions.

Requirements

Requires 5+ years of software development experience in Java or Node.js, strong core Java knowledge, and hands-on experience with unit testing, TDD, REST APIs, and Spring or Spring Boot. Candidates should also have experience with secure coding, code-quality and coverage tools, build and source-control systems, CI/CD, and Agile collaboration; a computer science or related technology degree or diploma is an added advantage.

Skills

Java
JUnit
Mockito
Test-Driven Development
REST APIs
Spring Boot
Microservices
Core Java
Secure Coding
Code Quality
SonarQube
JaCoCo
CI/CD
Maven
Git
Agile

Visa sponsorship

Not detected in the job text

Keywords

Java
Node.js
JUnit
Mockito
Test-Driven Development
Continuous Testing
REST APIs
Spring
Spring Boot
Microservices
Core Java
Concurrency
JVM Memory Management
Secure Coding
OWASP Top 10
SonarQube
JaCoCo
Maven
Gradle
Git
Bitbucket
CI/CD
Jenkins
React
Angular
TypeScript
GitHub Copilot
Backstage
Docker
Kubernetes

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