Java software developer • oakville on
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Job Title: Java Developer
Location: Mississauga, ON (Hybrid)
Exp 10+ years
Type - Full-Time Permanent
Must Have Technical/Functional Skills
Core Development
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
o Document modeling
o Indexing strategies
o Aggregation framework
o 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
