Senior Java Developer

Job Title-Sr. Java Developer
Job Location-Mississauga, ON
Duration-Full Time/Permanent Hiring


Exp Range: 10+ Years --- 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

• 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