Java Developer
- Mississauga, ON, Canada
$120,000 to $130,000 CAD / year · Full-time
Applications open in a new tab.
Job details
- Pay
- $120,000 to $130,000 CAD / year
- Job type
- Full-time
- Apply by
- Experience
- Experience: 9–12 years
- Posting language
- English
- Posted
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.
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
Categories
- Software
- Technology
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