Jobs in Oakville

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Within 25 km of Oakville

Added 15 hours ago
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W3Global

Java developer

Mississauga, ON, Canada

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

Within 25 km of Oakville · About 14.1 km from the city centre

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Job details

Pay: $100,000 to $120,000 CAD / year
Job type: Full-time
Apply by: Nov 20, 2026
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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