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Added 23 hours ago
CO
Staff Software Engineer
Capital One
Toronto, ON
- Full-time
161 Bay Street (93021), Canada, Toronto,Toronto, Ontario,Staff Software Engineer
Added 23 hours ago
F
Senior Machine Learning Engineer
Fusemachines
Remote, Canada
- Contract
- Remote
We’re hiring a Senior Machine Learning Engineer to architect, build, and deploy high-performance machine learning systems that power technology stack. You will work across the entire ML…
Added 1 day 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 1 day ago
T
Sr, Mainframe Engineer, TD Securities
TD
Toronto, ON
- Full-time
An Application Engineer with experience and background in real-time event driven systems, Java/Javascript/Typescript development, Databases and Application Integration with knowledge of…
Added 1 day ago
Intern - Software Engineer, Winter 2027
EQ Bank | Canada's Challenger Bank
Toronto, ON
Starting in January 2027, you’ll begin your journey as a Software Engineer Intern through our Engineering Graduate Program, designed to accelerate your development through immersive,…
Added 1 day ago
EB
Intern - Software Engineer, Winter 2027
EQ Bank
Toronto, ON
- Volunteer
Starting in January 2027, you’ll begin your journey as a Software Engineer Intern through our Engineering Graduate Program, designed to accelerate your development through immersive,…
Added 1 day ago
D
Java Software Engineer
Dexian
Mississauga, ON
- Contract
We are looking for an Architect-Level Java Full Stack Developer to join the Finance & Securitization (FNS) Team. The team is part of a Front Office business environment, working closely…
Added 1 day ago
T
Senior Mainframe Engineer, TD Securities
TD
Toronto, ON
- Full-time
An Application Engineer with experience and background in real-time event driven systems, Java/Javascript/Typescript development, Databases and Application Integration with knowledge of…
Added 1 day ago
AI
Software Architect
Arkion Identity Systems
Toronto, ON · Greater Toronto Area, Canada
- Full-time
…collaborate with development engineers, the cloud & deployment engineer, and external partners to drive architectural decisions and ensure a robust, scalable, and secure product. You will…
Added 1 day ago
M
Full Stack Engineer
mthree
Montreal, QC
- Full-time
A tier-one global investment bank is hiring a Full Stack Developer (Java and React), with 2–5 years’ experience, to join its Custom Baskets team.
Added 1 day ago
Senior Software Engineer, OIG
Okta
Toronto, ON
Okta Identity Governance (OIG) organization is looking for a Senior Engineer to join our team - OIG is Okta’s Identity Governance and Administration solution that is directly responsible…
Added 1 day ago
O
Senior Software Engineer, OIG
Okta
Toronto, ON
- $136,000 to $187,000 CAD / year
- Full-time
Okta Identity Governance (OIG) organization is looking for a Senior Engineer to join our team - OIG is Okta’s Identity Governance and Administration solution that is directly responsible…
Added 1 day ago
BS
Technical Lead (Full-Stack Engineering & AI)
Brainhunter Systems Ltd
ON · Ontario, Canada
- Contract
✅ Develop robust Java/Spring Boot services, REST APIs, microservices, and event-driven architectures
Added 1 day ago
IG
Software Developer
Insight Global
Newmarket, ON
- Full-time
Insight Global's client is seeking a Software Developer to join its growing engineering team focused on building innovative financial services and money transfer solutions used by millions…
Added 1 day ago
ES
Java Software Engineer
Epsilon Solutions Ltd.
Toronto, ON
- Full-time
Design, develop, and maintain high-quality, maintainable Java applications using clean code principles and established design patterns.
Added 1 day ago
D
Java Developer
Dexian
Mississauga, ON
- Other
Strong backend expertise in Java and Spring Boot (REST APIs, microservices, security, performance tuning)
Added 1 day ago
E
Ingénieur en développement logiciel de tests (SDET)
EXFO
Montreal, QC
- Full-time
Notre plateforme logicielle repose sur une architecture de microservices conteneurisés, fonctionne principalement sous Linux et est déployée dans des environnements sur site, infonuagiques…
Added 1 day ago
OS
Senior Forward Deployed Engineer (FDE)
Open Systems Technologies
Toronto, ON
- Contract
We are seeking a Senior Forward Deployed Engineer (FDE) with deep Java and Python technology expertise to work directly with our Fintech clients in the Spread Products space. This is a…
Added 2 days ago
D
Java Software Engineer
Dexian
Mississauga, ON
- $65 to $70 USD / hour
- Contract
Extensive experience with Microservices, Distributed Systems, and Service-Oriented Architecture.
Added 2 days ago
AI
Full Stack Engineer
Apptoza Inc.
Toronto, ON
- Contract
Strong backend development experience in Java or Python, including REST API and microservices
Added 2 days ago
Dev Ops Engineer (Student Position)
The Canada Life Assurance Company
Winnipeg, MB · London, ON · Toronto, ON
We are looking for a DevOps Engineer Student who is interested in learning how modern technology platforms are built, delivered, and supported within a large enterprise environment.
Added 2 days ago
Forward Deployed Engineer, Application & Infrastructure - Technology Strategy & Transformation
EY
Toronto, ON
Modernize applications developed in Java, JavaScript, TypeScript, .NET, Python, and related enterprise technologies.
Added 2 days ago
M
Senior Full Stack Java Engineer - Workforce Management (WFM)
Miratech
Canada
- Full-time
We are looking for a Senior Full Stack Engineer to join the Workforce Management product stream and build enterprise-scale solution supporting forecasting, capacity planning, scheduling,…
Added 2 days ago
BS
Technical Lead
Brainhunter Systems Ltd
Toronto, ON
- Contract
8+ years building and operating complex enterprise digital products, including experience as a Technical Lead, Staff Engineer or senior full-stack developer.
Added 2 days ago
M
Senior Programmable Voice Engineer (CX Platform)
Miratech
Canada
- Full-time
We are looking for a Senior Programmable Voice Engineer to develop programmable voice capabilities, call control services, media processing, and API-driven communications infrastructure…

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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