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Added 9 mins ago
B
Senior Mechanical Engineer
BGIS
Markham, ON
- Full-time
The Senior Mechanical Engineer will be a member of the Professional Services team and be able to work independently on Heating, Ventilation and Air Conditioning (HVAC), plumbing, drainage,…
Added 9 mins ago
RS
Principal Software Engineer- RMJ (AI Accelerated)
Redwood Software
ON
- $150,000 to $170,000 CAD / year
As a Principal Software Engineer, you will be a senior technical leader and strategic influencer shaping Redwood’s RunMyJobs platform. You will drive high-impact technical decisions, own…
Added 23 mins ago
GC
Senior Mineral Processing Engineer
Glencore Canada
Sudbury, ON · Greater Sudbury, ON
- Full-time
XPS is seeking a skilled Senior Mineral Processing Engineer to join the Mineral Processing Group in Sudbury, Ontario. The group provides support for both long-term strategic growth…
Added 36 mins ago
W
Senior to Principal Instrumentation & Controls Engineer
Worley
Vancouver, BC
- Full-time
The Senior or Principal Instrumentation & Controls Engineer provides technical leadership and instrumentation and control (I&C) engineering expertise across projects for Worley and its…
Added 36 mins ago
AI
Machine Learning Engineer- AWS SageMaker
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Toronto, ON
- Full-time
We are looking for a highly experienced Senior AWS SageMaker / MLOps Engineer with 8+ years of overall IT experience and strong expertise in building, deploying, and operationalizing…
Added 36 mins ago
S
Senior Structural Engineer
Sedgman
Vancouver, BC
- Full-time
Sedgman Canada Ltd is currently looking for a Senior Structural Engineer to join our team in Vancouver, B.C. He/she will be responsible for leading and providing technical support on…
Added 36 mins ago
UO
Solar Projects Engineer Intern
University of Alaska Fairbanks Petroleum Engineering
Engineer, BC
- Internship
y Intern - Solar Projects Engineer- Intern - Solar Projects Engineer Job Details | Dominion Energy
Added 36 mins ago
W
Senior Arctic Civil Engineer
Worley
Vancouver, BC
- Full-time
We are currently recruiting for a Senior Arctic Civil/Roads Engineer for transportation infrastructure in the Arctic and remote environments. The role provides technical leadership for the…
Added 36 mins ago
EI
Senior Water Resources Engineer, Land Development
Egis in Canada
Toronto, ON
- $105,000 to $130,000 CAD / year
- Full-time
The Senior Water Resources Engineer position is based in Toronto, Ontario, Canada and is responsible for the planning, analysis, and delivery of water resources engineering and hydraulic…
Added 36 mins ago
W
Senior to Principal Instrumentation & Controls Engineer
Worley
AB · Edmonton, AB
- Full-time
The Senior or Principal Instrumentation & Controls Engineer provides technical leadership and instrumentation and control (I&C) engineering expertise across projects for Worley and its…
Added 36 mins ago
W
Senior to Principal Instrumentation & Controls Engineer
Worley
Calgary, AB
- Full-time
The Senior or Principal Instrumentation & Controls Engineer provides technical leadership and instrumentation and control (I&C) engineering expertise across projects for Worley and its…
Added 39 mins ago
EG
Vice President, Municipal Engineering
Egis Group
Toronto, ON
- Full-time
This is a senior leadership role combining accountability with recognized technical authority across municipal infrastructure.
Added 39 mins ago
EG
Senior Water Resources Engineer, Land Development
Egis Group
Toronto, ON
- $105,000 to $130,000 CAD / year
- Full-time
The Senior Water Resources Engineer position is based in Toronto, Ontario, Canada and is responsible for the planning, analysis, and delivery of water resources engineering and hydraulic…
Added 39 mins ago
EG
Project Manager, Senior Civil Engineer - Land Development
Egis Group
Ottawa, ON
- $115,000 to $140,000 CAD / year
- Full-time
…orchestrating urban subdivisions, we strive to uncover optimal solutions, positioning ourselves as your trusted partner in land development. Armed with a wealth of project experience and an…
Added 39 mins ago
EG
Senior Civil Engineer - Land Development
Egis Group
Markham, ON
- $130,000 to $160,000 CAD / year
- Full-time
Our team is currently seeing an experienced Land Development Senior Civil Engineer. We boast a seasoned multi-disciplinary crew ready to support your land development endeavor. To guarantee…
Added 39 mins ago
EG
Senior Civil Engineer - Major Projects (Toronto or Hamilton)
Egis Group
Toronto, ON
- $150,000 to $180,000 CAD / year
- Full-time
…urban site plans and subdivisions, we strive to uncover optimal solutions, positioning ourselves as your trusted partner in civil engineering, land development and municipal engineering.…
Added 39 mins ago
EG
Senior Civil Engineer - Land Development
Egis Group
Ottawa, ON
- Full-time
…orchestrating urban subdivisions, we strive to uncover optimal solutions, positioning ourselves as your trusted partner in land development. Armed with a wealth of project experience and an…
Added 39 mins ago
EG
Intermediate Pavement Engineer
Egis Group
Kingston, ON
- $70,000 to $88,000 CAD / year
- Full-time
Reporting to the Senior Pavement Engineer, the Intermediate Pavement Engineer, will be responsible for supporting the overall success of MTO Projects in Canada.
Added 39 mins ago
Environmental Professional
City of Edmonton
AB
Are you an early career Professional Engineer or Scientist looking to make a meaningful impact on urban environmental sustainability? As an Environmental Professional with the City of…
Added 53 mins ago
MP
Lead Data Engineer - Temporary Assignment up to 18 months
Municipal Property Assessment Corporation
Pickering, ON
- Temporary
Become a Lead Data Engineer - Temporary Assignment up to 18 months with MPAC
Added 53 mins ago
EI
Senior Civil Engineer - Major Projects (Toronto or Hamilton)
Egis in Canada
Toronto, ON
- $150,000 to $180,000 CAD / year
- Full-time
…urban site plans and subdivisions, we strive to uncover optimal solutions, positioning ourselves as your trusted partner in civil engineering, land development and municipal engineering.…
Added 53 mins ago
EI
Senior Civil Engineer - Land Development
Egis in Canada
Markham, ON
- $130,000 to $160,000 CAD / year
- Full-time
Our team is currently seeing an experienced Land Development Senior Civil Engineer. We boast a seasoned multi-disciplinary crew ready to support your land development endeavor. To guarantee…
Added 53 mins ago
EI
Intermediate Pavement Engineer
Egis in Canada
Kingston, ON
- $70,000 to $88,000 CAD / year
- Full-time
Reporting to the Senior Pavement Engineer, the Intermediate Pavement Engineer, will be responsible for supporting the overall success of MTO Projects in Canada.
Added 53 mins ago
EI
Senior Civil Engineer - Land Development
Egis in Canada
Ottawa, ON
- Full-time
…orchestrating urban subdivisions, we strive to uncover optimal solutions, positioning ourselves as your trusted partner in land development. Armed with a wealth of project experience and an…
Added 1 hour ago
Intern - Software Engineer, Winter 2027
EQ Bank | Canada's Challenger Bank
Toronto, ON
Collaborate with senior developers to implement performant, scalable solutions for both web and mobile platforms.

Epsilon Solutions Ltd.

Java Software Engineer

Toronto, ON, Canada

Full-time

Apply About employer

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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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