Java Developer
The Java Developer will design, develop, and maintain Java-based microservices and implement RESTful APIs. They will also ensure high availability, scalability, and performance of microservices while collaborating with various teams.
- Hybrid
- Mississauga, ON
- Posted Apr 30, 2026
- Apply by Oct 27, 2026
- 1 position
Job summary
Title: Java Developer Location: Mississauga, Canada (Hybrid) Job Description Java (8/11/17) strong hands on experience Spring Boot, Spring MVC, Spring Data Microservices architecture (service decomposition, API contracts) REST APIs, JSON, OpenAPI / Swagger Kafka producer, consumer, partitioning MongoDb Openshift / AWS Database & Data Layer MongoDB Document modeling Indexing strategies Aggregation framework CRUD & performance tuning Integration & Messaging Experience With Kafka (preferred) REST based integrations with upstream/downstream systems Roles & Responsibilities Design, develop, and maintain Java based microservices Implement RESTful APIs adhering to enterprise design standards Develop and optimize SQL queries (E2 level) for transactional and reporting use cases Design and manage MongoDB schemas, indexes, and queries Ensure high availability, scalability, and performance of microservices Apply exception handling, logging, monitoring, and resiliency patterns Collaborate with Business Analysts, Architects, QA, and DevOps teams Participate in code reviews, unit testing, and defect resolution Support CI/CD pipelines, deployments, and production issues Follow secure coding and compliance standards
What you’ll do
The Java Developer will design, develop, and maintain Java-based microservices and implement RESTful APIs. They will also ensure high availability, scalability, and performance of microservices while collaborating with various teams.
Requirements
Candidates should have strong hands-on experience with Java and related technologies, particularly in microservices architecture and REST APIs. Experience with MongoDB and Kafka is preferred, along with the ability to optimize SQL queries.
Other relevant skills
Identified from the job description. Confirm important requirements above.
- Java
- Spring Boot
- Spring MVC
- Spring Data
- Microservices
- REST APIs
- JSON
- OpenAPI
- Kafka
- MongoDB
- AWS
- CRUD
- Performance Tuning
- Integration
- Messaging
- Exception Handling
Job areas
- Technology
- Engineering
- Software
- Consulting
Additional details
- Minimum experience
- 5+ years
- Apply by
- Oct 27, 2026
- Posting language
- English
- Working hours
- 40 hours per week
- Seniority
- Entry level