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Added 7 mins ago
C
Manager, Continuity & Response
Clio
Calgary, AB · Burnaby, BC · Vancouver, BC · Toronto, ON
- Full-time
Excellent written and verbal communication - able to move between an engineer, an executive, and a customer-facing team without losing the thread.
Added 21 mins ago
WI
Senior Technical Director - Tailings, Waste Dumps and Stockpiles
WSP in Canada
Calgary, AB
- Full-time
…impacts the safety, sustainability, and performance of mining operations across Western and Northern…
Added 21 mins ago
GF
Power Engineer
GreenFirst Forest Products
Chapleau, ON
- Full-time
GreenFirst is looking for a Power Engineer to support the Cogeneration Operation and assist the Shift Engineer with the operation of the plant’s systems for the production of steam and…
Added 21 mins ago
AS
Senior Site Reliability / DataOps Engineer
Apex Systems
Toronto, ON
- $40 to $60 USD / hour
- Contract
Apex Systems is seeking a Senior Site Reliability / DataOps Engineer to support a large-scale data modernization initiative within a major Canadian financial institution.
Added 21 mins ago
HT
Designer, Development (Service)
Husky Technologies
Bolton, ON
- Full-time
The service team is currently seeking a Mechanical engineer/designer to specialize in resolving service issues.
Added 21 mins ago
HT
Product Development Engineer
Husky Technologies
Bolton, ON
- Full-time
Our Development Engineering team is looking to hire an experienced Product Development Engineer. The successful candidate will lead the technical development of packaging products working…
Added 21 mins ago
TH
Senior Project Manager – Geotechnical – Vancouver, BC
The Headhunters Recruitment
Vancouver, BC
- Full-time
This opportunity is ideal for an engineer who enjoys developing client relationships, winning work, leading teams, and delivering successful projects. If you're looking for a role where you…
Added 21 mins ago
AS
Quality Engineer
Acara Solutions, An Aleron Company
Brampton, ON
- $80,000 to $90,000 CAD / year
- Full-time
We’re looking for a Quality Engineer to join a growing automotive manufacturing team in Brampton.
Added 23 mins ago
BI
Staff Machine Learning / Operations Research Engineer
Burq, Inc.
Remote, Canada
- Full-time
- Remote
We're hiring a Staff ML/OR engineer to define and build the intelligence at the core of Dispatch OS, our platform for ML-assisted dispatch decisions. You'll set the technical direction for…
Added 23 mins ago
Structural Designer, New Gradaute
Hatch
Mississauga, ON
…globe. With expertise in sustainable studies, asset building and operations, and industry-leading efficiencies, our best-in-class team leverages methodologies, governance and systems that…
Added 23 mins ago
E
Power Development Engineer
Enbridge
Calgary, AB · Toronto, ON
- Full-time
…sustainable growth. We are looking for a Senior Power Development Engineer to provide technical leadership and commercial support for power generation development opportunities across North…
Added 23 mins ago
Director, MEP & Electrical Infrastructure, Bell AI Fabric
Bell
Calgary, AB
Lead planning and execution of major electrical infrastructure programs supporting large-scale AI and data centre operations.
Added 38 mins ago
Software Engineer II, Earnings
Toast
Toronto, ON
…commitment to customer success. We help restaurants streamline operations, increase revenue, and deliver amazing guest experiences through our platform that combines restaurant point of…
Added 38 mins ago
RB
Software Engineer
Royal Bank of Canada
Toronto, ON
- Full-time
Added 38 mins ago
RB
Principal AI Engineer, Agentic Models and Data Platforms
Royal Bank of Canada
Calgary, AB
- Full-time
Implement observability for AI systems, including tracing across prompts and tool calls, telemetry, drift detection, and runbooks for production operations
Added 38 mins ago
WC
Operator
Waste Connections of Canada
Buick, BC
- Full-time
The Operator position is responsible for the day-to-day safe and customer service-oriented operations of waste treatment, oil treatment and water injection. The Operator will be in constant…
Added 38 mins ago
Software Development Engineer II, AWS Marketplace
Amazon
Toronto, ON
- 3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
Added 50 mins ago
E
Power Development Engineer
Enbridge
Calgary, AB
- Full-time
…sustainable growth. We are looking for a Senior Power Development Engineer to provide technical leadership and commercial support for power generation development opportunities across North…
Added 50 mins ago
E
Power Development Engineer
Enbridge
Toronto, ON · North York, ON
- Full-time
…sustainable growth. We are looking for a Senior Power Development Engineer to provide technical leadership and commercial support for power generation development opportunities across North…
Added 50 mins ago
AM
Customs & Trade Compliance Analyst
Array Marketing
Toronto, ON · Greater Toronto Area, Canada
- Full-time
…Sephora, L’Oréal, Coty, PUIG, Amazon, and many others to design, engineer, manufacture, and deliver bespoke retail environments that bring their brands to…
Added 50 mins ago
E
Senior Site Reliability Engineer
E-Solutions
Toronto, ON
- Full-time
The Sr Cloud Engineer/Sr Site Reliability Engineer is a member of Cloud Operations Automation team and responsible for the reliability, security and efficiency of Change Healthcare’s cloud…
Added 50 mins ago
ES
Java Software Engineer
Epsilon Solutions Ltd.
Toronto, ON
- Full-time
Collaborate with architects, business and application analysts, operations teams, and testing specialists to deliver reliable, secure, high-quality solutions.
Added 50 mins ago
TS
Operations Supervisor, Commercial Property
TalentSphere Staffing Solutions
AB · Edmonton, AB
- Full-time
Our client is seeking an experienced Operations Supervisor to oversee the day-to-day building operations, maintenance, and technical performance of a diverse commercial real estate…
Added 52 mins ago
TI
Product Support Analyst
Trimble Inc.
Richmond Hill, ON · Canada - Richmond Hill, Ontario (Applanix)
- Full-time
…role at Applanix, a Trimble company, you will bridge customer operations with advanced technology, serving as a trusted technical advisor across global projects. If you thrive on solving…
Added 1 hour ago
Project Engineer (Battery Energy Storage)
Peak Power Inc
Toronto, ON
As a Project Engineer role will report to the Senior Director, Engineering you will provide engineering leadership on behind the meter battery energy storage and distributed energy projects…

Epsilon Solutions Ltd.

Java Software Engineer

Toronto, ON, Canada

Full-time

Apply About employer

Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Nov 6, 2026
Experience: 5+ years of software development experience in Java, spanning the full application development life cycle.
Posting language: English
Posted: Oct 7, 2026

Original job description

Senior Java Engineer

Toronto, ON (Onsite)

Full Time

"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:

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.

Apply About employer

More about this job

Responsibilities

Design, develop, test, and maintain Java applications and REST APIs, applying clean code, design patterns, TDD, and automated quality checks. Collaborate across technical and business teams to resolve complex issues and deliver secure, reliable solutions.

Requirements

Requires 5+ years of Java development experience, strong core Java knowledge, and hands-on expertise with JUnit, Mockito, TDD, and code quality practices. Candidates should also have experience with Spring or Spring Boot, REST APIs, build and source control tools, and CI/CD pipelines.

Skills

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

Visa sponsorship

Not detected in the job text

Keywords

Java
JUnit
Mockito
Test-Driven Development
Unit Testing
Test Automation
Core Java
Collections
Concurrency
Multithreading
Generics
Streams
Lambdas
JVM Memory Management
Spring
Spring Boot
REST APIs
Microservices
Maven
Gradle
Git
Bitbucket
Jenkins
CI/CD
SonarQube
JaCoCo
Docker
Kubernetes
AWS
Agile

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