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Added 22 hours ago
Access Control Coordinator - Casual
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T®
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- $49 to $50 CAD / hour
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Added 22 hours ago
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ClearBlue Markets
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SS
Java Developer
Staffmax Staffing & Recruiting
Mississauga, ON
- $120,000 to $130,000 CAD / year
- Full-time
We are looking for an experienced Java Developer to design, develop, and maintain scalable, high-performance microservices and REST APIs. The ideal candidate will have strong hands-on…
Added 22 hours ago
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Staffmax Staffing & Recruiting

Java Developer

Mississauga, ON, Canada

$120,000 to $130,000 CAD / year · Full-time

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Job details

Pay: $120,000 to $130,000 CAD / year
Job type: Full-time
Apply by: Apr 25, 2027
Experience: Experience: 9–12 years
Posting language: English
Posted: Oct 27, 2026

Original job description

Location: Mississauga, ON (Hybrid)

Salary: CAD $120,000–$130,000 per year

Experience: 9–12 years

About the Role

We are looking for an experienced Java Developer to design, develop, and maintain scalable, high-performance microservices and REST APIs. The ideal candidate will have strong hands-on experience with Java, Spring Boot, MongoDB, and microservices architecture, along with exposure to Kafka and cloud or container platforms such as AWS and OpenShift.

Key Responsibilities

Design, develop, and maintain Java-based microservices.
Build RESTful APIs following enterprise design standards.
Develop and optimize SQL queries for transactional and reporting requirements.
Design and manage MongoDB schemas, indexes, queries, and aggregation pipelines.
Ensure high availability, scalability, reliability, and performance of applications.
Implement exception handling, logging, monitoring, and resiliency patterns.
Develop and maintain integrations with upstream and downstream systems.
Collaborate with Business Analysts, Architects, QA, and DevOps teams.
Participate in code reviews, unit testing, debugging, and defect resolution.
Support CI/CD pipelines, deployments, and production troubleshooting.
Follow secure coding practices and enterprise compliance standards

Required Technical Skills

Java: Strong hands-on experience with Java 8, 11, or 17.
Spring Framework: Spring Boot, Spring MVC, and Spring Data.
Microservices: Service decomposition, API contracts, and distributed application design.
API Development: REST APIs, JSON, OpenAPI, and Swagger.
MongoDB: Document modeling, indexing strategies, aggregation framework, CRUD operations, and performance tuning.
SQL: Query development and optimization for transactional and reporting use cases.
Messaging: Kafka producers, consumers, and partitioning concepts.
Cloud and Containers: Experience with AWS and/or OpenShift.
Integration: REST-based integrations with upstream and downstream systems.

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More about this job

Responsibilities

Design, develop, and maintain scalable Java microservices and REST APIs, including MongoDB data models and optimized SQL queries. Ensure application reliability, security, and performance while supporting integrations, testing, deployments, production troubleshooting, and collaboration across business and technical teams.

Requirements

Requires 9–12 years of experience and strong hands-on skills in Java 8, 11, or 17, Spring, microservices, REST API development, MongoDB, and SQL. Experience with Kafka and AWS and/or OpenShift is also sought, along with knowledge of integrations, testing, CI/CD, and secure coding practices.

Skills

Java
Spring Boot
Spring MVC
Spring Data
Microservices
REST APIs
MongoDB
SQL
Kafka
AWS
OpenShift
JSON
OpenAPI
Swagger
CI/CD

Visa sponsorship

Not detected in the job text

Keywords

Java
Java 8
Java 11
Java 17
Spring Framework
Spring Boot
Spring MVC
Spring Data
Microservices Architecture
REST APIs
JSON
OpenAPI
Swagger
MongoDB
Document Modeling
Aggregation Framework
SQL
Query Optimization
Kafka
AWS
OpenShift
Container Platforms
API Contracts
CI/CD
Unit Testing
Code Reviews
Production Troubleshooting
Secure Coding
Application Monitoring

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