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Added 5 mins ago
Senior Azure engineer
Manx Telecom Enterprise
Permanent North American Gaeltacht, ON
Full-time
Vacancy Name Senior Azure engineer Vacancy No VN878 Function Syn - Delivery & Operations Work Location Isle of Man or United Kingdom Basis Permanent Full Time/Part Time Full time Employment…
Added 5 mins ago
Senior Embedded Software Designer
Kepler Communications Inc.
Canada
Full-time
We're on the hunt for a top-tier Embedded Software Engineer. Your focus will be on software development and maintenance required for both space and ground-based assets for a growing fleet…
Added 5 mins ago
Infrastructure Engineer
Manx Telecom Enterprise
Permanent North American Gaeltacht, ON
Full-time
Vacancy Name Infrastructure Engineer Vacancy No VN968 Function Syn - Delivery & Operations Work Location One St Peter's Square, Manchester, M2 3DE Basis Permanent Full Time/Part Time Full…
Added 5 mins ago
Senior Infrastructure Engineer (Linux & Cloud Automation)
Manx Telecom Enterprise
Permanent North American Gaeltacht, ON
Full-time
Job Details: Senior Infrastructure Engineer (Linux & Cloud Automation)
Added 20 mins ago
Geotechnical Specialist
B2Gold - Nunavut
NU · Nunavut, Canada
Full-time
B2Gold is a responsible international senior gold producer headquartered in Vancouver, Canada. Founded in 2007, today, B2Gold has operating gold mines in Canada, Mali, Namibia and the…
Added 20 mins ago
Program Chief Engineer
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Toronto, ON
Full-time
Position Description: Protingent Staffing has an exciting Direct Hire Program Chief Engineer opportunity located in Toronto, Canada
Added 20 mins ago
Senior Systems Integration Engineer
ADGA Group
Ottawa, ON
$135,000 to $150,000 CAD / year
Full-time
ADGA is seeking an experienced Systems Integration Engineer for an immediate opportunity to support an upcoming initiative focused on the development of a new Counter-Uncrewed Aerial…
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Senior Project Engineer
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Added 1 hour ago
Senior Field Service Technician
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Coquitlam, BC
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As a Senior Field Service Technician, you will be responsible for delivering high-quality technical support and service to our customers.
Added 1 hour ago
Senior Construction Inspector - Municipal Infrastructure
AECOM
Windsor, ON
Full-time
AECOM is searching for a Senior Construction Inspector for municipal infrastructure projects in this new role. Projects primarily consist of road reconstructions, water distribution,…
Added 1 hour ago
Senior Chief Engineer
BC Ferries
BC · Saltery Bay
Other
We are seeking a dynamic and experienced leader to join our team as a senior member of the ship's management team. In this key leadership role, you will serve as both the Engineering…
Added 1 hour ago
DevOps Manager
Raise
Calgary, AB
Contract
The Senior DevOps Engineer with Release Coordination experience to join our client’s technology team. In this critical role, you will help support and empower executive DevOps initiatives,…
Added 1 hour ago
Maintenance & Facilities Manager, Columbia Icefield
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Develop budgets with senior leadership, forecast expenses
Added 1 hour ago
Member of Technical Staff 2- DataHub
Nutanix
Vancouver, BC
$103,000 to $155,000 CAD / year
Full-time
Are you an enthusiastic early-career engineer passionate about building secure AI infrastructure from the ground up? Join Nutanix to help develop our DataHub platform - an enterprise data…
Added 1 hour ago
Member of Technical Staff 2 - DataHub
Nutanix
Vancouver, BC
$103,000 to $155,000 CAD / year
Full-time
Are you an enthusiastic early-career engineer passionate about building secure AI infrastructure from the ground up? Join Nutanix to help develop our DataHub platform - an enterprise data…
Added 1 hour ago
Member of Technical Staff 3- DataHub
Nutanix
Vancouver, BC
$132,000 to $198,000 CAD / year
Full-time
Are you an enthusiastic early-career engineer passionate about building secure AI infrastructure from the ground up? Join Nutanix to help develop our DataHub platform - an enterprise data…
Added 1 hour ago
Senior Electronics Hardware Designer
Schneider Electric
Richmond, BC
$114,750 to $162,000 CAD / year
Full-time
We are looking for a positive, confident, self-motivated, and hands-on engineer who thrives in a fast-paced, collaborative environment and is passionate about renewable energy technologies.…
Added 1 hour ago
Senior Java AI Engineer
Epsilon Solutions Ltd.
Toronto, ON
Full-time
Refactor and improve existing codebases to reduce technical debt and enhance readability, performance, and testability.
Added 2 hours ago
Sr. Site Reliability Administrator
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Mississauga, ON
As a Senior Site Reliability Engineer, you will play a key hands‑on role within a globally distributed SRE team responsible for the reliability, performance, and stability of the data…
Added 2 hours ago
Regional Sourcing Manager (Electronics Lane)
Husky Technologies
Bolton, ON
Full-time
…operations with best in class supplier on-time and quality…
Added 2 hours ago
Lead Engineer
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Vancouver, BC
Full-time
The Lead Engineer is the senior technical engineering lead within Digital Workplace & Platform, responsible for improving the stability, resilience, automation, control effectiveness, and…
Added 2 hours ago
Data Engineer Sr
Insight Enterprises, Inc.
Toronto, ON
We are seeking a Senior Data Engineer to design, build, and optimize modern data platforms that enable analytics, reporting, operational intelligence, and AI-driven solutions.
Added 2 hours ago
Senior Engineer, Customer Access Studies
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Calgary, AB · KPMG Tower
Full-time
Reporting to the Manager, Customer Access Studies, the Senior Engineer is responsible for running interconnection engineering studies and developing engineering solutions to project…
Added 3 hours ago
Associate Director - Lead Software Developer
Royal Bank of Canada
Toronto, ON
Full-time
We are looking for a highly motivated, top-notch software engineer who is a great team player constantly thinking about quality, maintainability, robustness, and simplicity in all generated…
Added 3 hours ago
Operations Manager
Agilus Work Solutions
AB · Greater Edmonton Metropolitan Area
Full-time
…power generation facility located west of Edmonton. This is a senior leadership role responsible for plant safety, reliability, compliance, team performance, and operational results. Ideal…

Epsilon Solutions Ltd.

Senior Java AI Engineer

Toronto, ON, Canada

Job type: Full-time
Apply by: Oct 25, 2026
Experience: 8+ years of software development experience in Java, spanning the full application development life cycle.
Posting language: English
Posted: Sep 25, 2026

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Applications open in a new tab.

Original job description

Senior Java AI Engineer

Full Time

Toronto, ON

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 concepts - collections, concurrency and multithreading, generics, streams, exception handling, and JVM memory management - to 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:

8+ 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.

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More about this job

Responsibilities

Design, develop, test, and maintain high-quality Java applications and REST APIs, applying clean code, design patterns, TDD, and automated quality checks. Collaborate with cross-functional teams to resolve technical issues, improve existing systems, and deliver secure, reliable solutions.

Requirements

Requires 8+ years of Java development experience, strong core Java knowledge, and hands-on expertise with JUnit, Mockito, TDD, code quality tools, and Spring-based APIs or microservices. Candidates should also have experience with build tools, Git, CI/CD, and Agile collaboration; AI-assisted development, cloud, containers, and financial or insurance industry knowledge are advantages.

Skills

Java
JUnit
Mockito
Test-Driven Development
Clean Code
SOLID Principles
Design Patterns
SonarQube
JaCoCo
Spring Boot
REST APIs
Microservices
Maven
Gradle
Git
CI/CD

Visa sponsorship

Not detected in the job text

Keywords

Java
JUnit
Mockito
Test-Driven Development
Unit Testing
Test Automation
Continuous Testing
Clean Code
SOLID Principles
Design Patterns
Concurrency
Multithreading
JVM Memory Management
SonarQube
JaCoCo
Spring Boot
REST APIs
Microservices
Maven
Gradle
Git
Bitbucket
Jenkins
CI/CD
GitHub Copilot
Diffblue Cover
EvoSuite
Docker
Kubernetes
AWS

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