Backend Java Developer – Spring Boot, Microservices, REST APIs & Kafka

Location: Toronto, ON – Hybrid (4 Days WFO) Duration: 9+ Months Experience Required: 6–8 Years Skills: Core Java

Responsibilities

Design, develop, and maintain Java-based applications using Spring Framework and Spring Boot (2.x) Build, enhance, and maintain RESTful APIs and microservices following best practices Implement event-driven and messaging solutions using MQ and Kafka Develop data access layers using Hibernate and SQL-based persistence Work with Oracle databases, including writing efficient SQL queries and optimizing performance Handle data serialization and exchange using JSON Ensure application security, scalability, performance, and high availability Contribute to job orchestration and workflow processing within the platform Enhance logging, monitoring, and overall system reliability

Essential Skills

Java & Backend Technologies Core Java Spring Framework Spring Boot (2.x) RESTful APIs Microservices Architecture Kafka MQ Hibernate Oracle Database SQL JSON UI / Styling Bootstrap CSS Grid Responsive Design Material UI Performance & Accessibility Lazy Loading Critical CSS Web Performance Optimization WCAG 2.1+ Cross-Browser Testing AODA Compliance Tools & Methodologies Git GitHub GitHub Actions Jira Agile Scrum DevOps CI/CD Webpack Figma Docker Kubernetes

Preferred Qualifications

Experience building scalable and high-performance enterprise applications Strong understanding of distributed systems and event-driven architectures Experience working in Agile delivery environments Knowledge of containerization and orchestration technologies