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Added 18 days ago
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Storage Site Reliability Engineer (GPFS / Storage Ops)
W3Global
Montreal, QC
- $45 to $50 CAD / hour
- Contract
Added 19 days ago
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Mine Planning & Quarry Operations Manager
W3Global
Wood Mountain, SK
- Contract
Added 19 days ago
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HVAC/ Refrigeration Technician
W3Global
AB · Edmonton, AB
- $50 to $63 CAD / hour
- Full-time
Added 19 days ago
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Senior Estimator
W3Global
Delta, BC
- $100,000 to $120,000 CAD / year
- Full-time
Added 19 days ago
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SAP BRIM – FICA Consultant
W3Global
Canada
- Contract
Must have knowledge of BRIM architecture · Must have knowledge of customized environment and interfaces with third party systems
Added 19 days ago
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SnapLogic Support Engineer
W3Global
Canada
- Full-time
Added 19 days ago
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SAP C4CP Functional & Integration Specialist
W3Global
Calgary, AB
- $60 to $70 CAD / hour
- Contract
Added 19 days ago
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Mechanical Engineer / Technologist
W3Global
Toronto, ON
- $55,000 to $70,000 CAD / year
- Full-time
You must have an aptitude for (and comfort level with) evolving technologies pertaining to retail design
Added 20 days ago
W
Senior Administrator - Sailpoint IIQ, Java, SailPoint FAM
W3Global
Canada
- Contract
Added 20 days ago
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Legal Reception & Administrative Assistant
W3Global
Nelson, BC
- $45,000 to $55,000 CAD / year
- Full-time
Added 20 days ago
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Drupal Developer
W3Global
Mississauga, ON
- $55 to $65 CAD / hour
- Contract
Added 20 days ago
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Lawyer
W3Global
Montreal, QC
- $90,000 to $100,000 CAD / year
- Full-time
Added 20 days ago
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Java developer
W3Global
Mississauga, ON
- $100,000 to $120,000 CAD / year
- Full-time
Added 20 days ago
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Senior Litigation Lawyer
W3Global
Mississauga, ON
- $150,000 to $200,000 CAD / year
- Full-time
Added 21 days ago
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Associate Lawyer - Insurance Defence
W3Global
Calgary, AB
- $100,000 to $150,000 CAD / year
- Full-time
Added 21 days ago
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Licensed Condominium Manager
W3Global
Calgary, AB
- $75,000 to $95,000 CAD / year
- Full-time
Added 21 days ago
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Family Law Lawyer
W3Global
Waterloo, ON
- $100,000 to $120,000 CAD / year
- Full-time
Added 21 days ago
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Accounting Technician
W3Global
Ferme-Neuve, QC
- Full-time
Added 21 days ago
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VDC Designer
W3Global
Ottawa, ON
- $60,000 to $85,000 CAD / year
- Full-time
Added 21 days ago
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Structural Engineer
W3Global
Montreal, QC
- $100,000 to $120,000 CAD / year
- Full-time
Must hold a driver's license for travel to various sites;
Added 21 days ago
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Director of Resource Estimation
W3Global
Quebec, QC
- $160,000 to $170,000 CAD / year
- Full-time
Added 21 days ago
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VMware Cloud Foundation (VCF) L3 Operations Engineer
W3Global
Canada
- Contract
Added 21 days ago
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Director of Sales and Marketing
W3Global
Winnipeg, MB
- Full-time
Added 21 days ago
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Design Verification Engineer with GLS (gate level simulation)
W3Global
Canada
- Contract
Added 22 days ago
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Intellectual Property Lawyer
W3Global
AB · Edmonton, AB
- $80,000 to $200,000 CAD / year
- Full-time

W3Global

Java developer

Mississauga, ON, Canada

$100,000 to $120,000 CAD / year · Full-time

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Job details

Pay: $100,000 to $120,000 CAD / year
Job type: Full-time
Apply by: Nov 20, 2026
Posting language: English
Posted: Oct 21, 2026

Original job description

Toronto, ON (Hybrid work)

Job Description

Designing, developing, and maintaining high-performance, scalable microservices using Java 17 and Spring Boot framework
Building reactive and non-blocking applications leveraging Spring WebFlux to handle high-concurrency workloads efficiently
Developing and consuming RESTful APIs following industry best practices and ensuring proper documentation
Implementing event-driven architecture using IBM MQ and Apache Kafka for seamless asynchronous communication between services
Collaborating with cross-functional teams including frontend developers, architects, and product owners to deliver end-to-end solutions
Writing clean, maintainable, and well-documented code adhering to coding standards and best practices. Participating in code reviews, providing constructive feedback, and ensuring code quality across the team
Troubleshooting production issues, performing root cause analysis, and implementing effective fixes
Contributing to continuous improvement initiatives by identifying opportunities for optimization and automation

Skill Matrix

Skill Proficiency Expected (Mandatory)

Java 17 Expert-level understanding of Java 17 features including records, sealed classes, pattern matching, and enhanced switch expressions
Spring Boot Strong hands-on experience in building production-grade applications using Spring Boot
Spring WebFlux Proficiency in developing reactive, non-blocking applications using Spring WebFlux and Project Reactor
REST APIs Expertise in designing, developing, and securing RESTful APIs with proper versioning and error handling
Microservices Solid experience in microservices architecture including service discovery, API gateway, circuit breakers, and distributed tracing
IBM MQ Hands-on experience with IBM MQ for enterprise messaging and integration
Apache Kafka Strong knowledge of Kafka for building event-driven systems, including producers, consumers, and stream processing

Skill Proficiency Expected (Good To Have)

MongoDB Experience with MongoDB for NoSQL database design, queries, and aggregation pipelines
AWS Cloud Familiarity with AWS services such as EC2, S3, Lambda, ECS, and RDS
OpenShift Experience deploying and managing applications on OpenShift or similar container platforms
Kubernetes Knowledge of Kubernetes for container orchestration, deployments, and scaling
Helm Experience with Helm charts for Kubernetes application packaging and deployment
Harness Familiarity with Harness for continuous delivery and deployment automation
Git & Bitbucket Proficiency in version control using Git and collaboration via Bitbucket
JIRA Experience using JIRA for agile project management and issue tracking
Gradle Hands-on experience with Gradle for build automation and dependency management
Lightspeed Familiarity with Lightspeed for development acceleration
Kibana Experience with Kibana for log visualization, monitoring, and troubleshooting

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More about this job

Responsibilities

Design, develop, and maintain scalable Java microservices and reactive applications, including REST APIs and event-driven integrations using IBM MQ and Kafka. Collaborate with cross-functional teams, review and improve code quality, troubleshoot production issues, and contribute to optimization and automation.

Requirements

Requires expert-level knowledge of Java 17 and strong hands-on experience with Spring Boot, Spring WebFlux, REST APIs, and microservices architecture. Mandatory experience includes IBM MQ and Apache Kafka; familiarity with tools and platforms such as MongoDB, AWS, OpenShift, Kubernetes, Helm, Git, Bitbucket, Gradle, and Kibana is an advantage.

Skills

Java 17
Spring Boot
Spring WebFlux
Project Reactor
REST APIs
Microservices
IBM MQ
Apache Kafka
MongoDB
AWS
OpenShift
Kubernetes
Helm
Git
Bitbucket
Gradle

Visa sponsorship

Not detected in the job text

Keywords

Java 17
Spring Boot
Spring WebFlux
Project Reactor
Reactive Applications
Microservices
REST APIs
API Security
Event-Driven Architecture
IBM MQ
Apache Kafka
MongoDB
AWS
OpenShift
Kubernetes
Helm
Harness
Git
Bitbucket
JIRA
Gradle
Lightspeed
Kibana
Distributed Tracing
Circuit Breakers
Service Discovery
Code Reviews
Root Cause Analysis
Continuous Delivery
Automation

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