Java Backend Developer - Microservices, Spring Boot

Senior Java Backend Developer (Microservices)

Toronto, Canada (Hybrid – 4 Days Work From Office)

6–8 Years

We are seeking a skilled Senior Java Developer with strong experience in backend development, microservices architecture, and enterprise application design. The ideal candidate will have hands-on expertise in Java, Spring Boot, REST APIs, and messaging systems, along with a solid understanding of security, CI/CD, and Agile practices.

• Design, develop, and maintain scalable Java-based backend applications.
  
• Build and enhance RESTful APIs and microservices architecture.
  
• Implement business logic using Spring Framework and Spring Boot (2.x).
  
• Ensure high performance, scalability, and reliability of applications.
  
  
  

• Work with messaging systems (Kafka, MQ) for event-driven architecture.
  
• Integrate backend services with external systems and APIs.
  
  
  

• Develop and optimize SQL queries using Oracle databases.
  
• Implement ORM frameworks such as Hibernate for data persistence.
  
  
  

• Implement enterprise-level security practices including:
  
  • SSO
    
  • SSL
    
  • Authentication & Authorization
    
  • Encryption
    
• Work with API Gateway tools (e.g., Apigee).
  
• Identify and remediate security vulnerabilities.
  
  
  

• Work with CI/CD tools such as:
  
  • Jenkins
    
  • GitHub
    
  • UrbanCode
    
  • Helios
    
• Support automated build, test, and deployment pipelines.
  
  
  

• Contribute to system design and architecture discussions.
  
• Ensure adherence to IT standards, audit requirements, and CMM practices.
  
• Support middleware integrations and enterprise application frameworks.
  
  
  

• Work in an Agile/Scrum environment.
  
• Collaborate with cross-functional teams including developers, QA, and business stakeholders.
  
• Participate in sprint planning, stand-ups, and retrospectives.
  
  
  

• Support testing activities using various testing tools and methodologies.
  
• Perform risk assessment and contribute to quality improvement initiatives.
  
  

• Strong experience in Java (8+ years preferred)
  
• Expertise in:
  
  • Spring Framework
    
  • Spring Boot (2.x)
    
  • REST APIs & Microservices
    
• Hands-on experience with:
  
  • Kafka / MQ
    
  • Hibernate
    
  • SQL & Oracle
    
• Experience with enterprise security (SSO, SSL, authentication)
  
• Familiarity with CI/CD tools (Jenkins, GitHub, UrbanCode)
  
• Agile development experience
  
  

• Knowledge of Angular or front-end frameworks
  
• Experience with API Gateway tools (Apigee)
  
• Exposure to automated testing tools
  
• Understanding of risk assessment and audit processes
  
  

• Strong problem-solving and analytical skills
  
• Excellent communication and teamwork abilities
  
• Ability to work in a fast-paced, enterprise environment
  
• Attention to detail and quality-focused mindset