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Added 9 mins ago
SA
Co-Op Engineer
Standard Aero
Richmond, BC
- Full-time
With over a century of proven excellence, StandardAero has become an industry leader in MRO services and customized solutions in the aerospace field. Our shared values and learning-based…
Added 23 mins ago
I
Municipal Planning Engineer
ISL
Vancouver, BC · Greater Vancouver Metropolitan Area
- Full-time
Are you a Municipal Planning Engineer with a focus on hydraulic modelling and planning? Are you looking to work as part of a multi-disciplinary team of professional engineers and…
Added 23 mins ago
WI
Senior Technical Director - Tailings, Waste Dumps and Stockpiles
WSP in Canada
Calgary, AB
- Full-time
With an unmatched breadth and depth of engineering, advisory and science‑based expertise, our global minds unite to power local solutions.
Added 23 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 23 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 23 mins ago
HT
Applications Engineer
Husky Technologies
Bolton, ON
- Full-time
…translate emerging technologies into scalable, customer-focused…
Added 23 mins ago
KC
IAM Support Engineer – ETL & Data Modeling
KeyData Cyber
Toronto, ON
- Full-time
We Deliver Comprehensive Solutions Across IAM Domains, Including
Added 23 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 23 mins ago
AS
Full Stack Developer, Java / Angular / AWS
Apex Systems
Toronto, ON
- $45 to $50 USD / hour
- Full-time
Develop and deploy solutions within AWS environments.
Added 23 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
IG
Industrial Engineer/Project Manager
Insight Global
Longueuil, QC
- $40 to $50 CAD / hour
- Contract
Insight Global is seeking an Industrial Engineer/Project Manager to join a top aerospace company in Longueuil, QC. The Industrial Engineer will lead strategic and operational initiatives to…
Added 24 mins ago
Structural Designer, New Gradaute
Hatch
Mississauga, ON
…bettering the industries in which we operate. With practical solutions that are safe, innovative and sustainable, we think globally while acting…
Added 24 mins ago
Director, MEP & Electrical Infrastructure, Bell AI Fabric
Bell
Calgary, AB
…more connected future through world-class networks, AI-powered solutions, and digital experiences that elevate how people live, work, and play every…
Added 39 mins ago
Lead Software Engineer
Capgemini
Mississauga, ON
Works in the area of Software Engineering which encompasses the development maintenance and optimization of software solutions and applications.
Added 39 mins ago
T
Application Security Engineer II
Thumbtack
Remote, Canada
- Full-time
- Remote
Ability to assess security risks and break down complex problems, reason about tradeoffs, make sound recommendations, and deliver practical, impactful solutions with guidance when needed.
Added 39 mins ago
RB
Software Engineer
Royal Bank of Canada
Toronto, ON
- Full-time
…to design, build, and deploy scalable, secure, and resilient solutions that are relied upon by RBC employees and…
Added 39 mins ago
RB
Principal AI Engineer, Agentic Models and Data Platforms
Royal Bank of Canada
Calgary, AB
- Full-time
Design and deliver Retrieval Augmented Generation solutions, including document ingestion, chunking, indexing, vector search, hybrid search, reranking, and grounding strategies over curated…
Added 39 mins ago
WC
Operator
Waste Connections of Canada
Buick, BC
- Full-time
…aligned through the vision of reinventing the standard in waste solutions by serving our customers and employees, while staying true to our values. We’re proud to be a different kind of…
Added 39 mins ago
H
Field Applications Engineer
Hexagon
Calgary, AB
- Full-time
Hexagon’s Autonomous Solutions division is looking for a Field Applications Engineer - Agriculture to join our team in Canada. Reporting to the Support Manager, Agriculture, this role will…
Added 39 mins ago
Software Development Engineer II, AWS Marketplace
Amazon
Toronto, ON
- Partner with product, business, and partner teams to translate complex requirements into elegant technical solutions
Added 51 mins ago
AI
GCP Infrastructure / Cloud SRE Engineer
Apptoza Inc.
Toronto, ON
- Contract
Role: GCP Infrastructure / Cloud SRE Engineer
Added 51 mins ago
AM
Cost Estimator
Array Marketing
Toronto, ON · Greater Toronto Area, Canada
- $62,000 to $72,000 CAD / year
- Contract
For over 40 years, Array Marketing has been a global leader in retail displays and in-store merchandising solutions. With more than 1,800 employees worldwide, we partner with leading brands…
Added 51 mins ago
CS
MongoDB Data Modeler / Data Engineer
Confiar Services
Toronto, ON
- Contract
They are looking for MongoDB Data Modeler / Data Engineer to support Canada’s data analytics, ingestion, and data curation initiatives. The ideal candidate will have strong experience in…
Added 51 mins ago
ZS
SAS Technical Consultant
Zodiac Solutions, Inc
Markham, ON
- Contract
…ensure successful conversion of SAS assets to Snowflake-based…
Added 51 mins ago
AM
Customs & Trade Compliance Analyst
Array Marketing
Toronto, ON · Greater Toronto Area, Canada
- Full-time
For over 40 years, Array Marketing has been a global leader in retail displays and in-store merchandising solutions. With more than 1,800 employees worldwide, we partner with leading brands…

Epsilon Solutions Ltd.

Java Software Engineer

Toronto, ON, Canada

Full-time

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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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