Java Backend Developer - Microservices, Spring Boot

Job Description

Job Title:

Senior Java Backend Developer (Microservices)

Location:

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

Experience Required:

6–8 Years

Job Summary:

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.

Key Responsibilities:

Backend Development

• 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.
  

Integration & Messaging

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

Database & Data Handling

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

Security & Compliance

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

CI/CD & DevOps

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

Architecture & System Design

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

Collaboration & Agile

• 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.
  

Testing & Quality Assurance

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

Must Have Skills:

• 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
  

Good to Have Skills:

• 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
  

Key Competencies:

• 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
  

Requirements
Experience (Years): 4-6 Essential Skills: • Work with project teams throughout the organization to design, implement, and manage CDN infrastructure using Akamai, to ensure high availability, performance, and scalability for customer facing applications and business processes. • Handle multiple priorities and assignments with excellence and precision. • Be a part of a 24/7/365 organization (some after hours support is expected as part of normal on-call rotation). • Directly support line of business development teams, provide guidance to them on implementation and changes for customer facing applications • Develop and maintain security protocols and measures to protect CDN infrastructure from cyber threats. • Monitor and analyze network performance, identifying and resolving issues to optimize content delivery of critical applications. • Collaborate with cross-functional teams to integrate Akamai CDN solutions with existing systems and applications. • Collaborate with information security teams to implement DDoS protection strategies and other security measures in the CDN. • Provide technical support and guidance to clients and internal teams regarding CDN and security best practices. • Work closely with vendor and professional service teams on delivery related activities and strategy. Qualifications: • Bachelor’s degree in Computer Science, Information Technology, or a related field. OR similar work experience. • Strong understanding of network protocols (HTTP/HTTPS, DNS, TCP/IP). • Proven experience as a CDN Engineer or similar role, with a strong focus on cybersecurity. • In-depth knowledge of Content Delivery Network technologies, including caching, load balancing, and content optimization. • Excellent problem-solving skills and attention to detail. • Strong communication and teamwork abilities. • Experience supporting 24/7/365 customer facing applications at enterprise scale. • Awareness and experience with cybersecurity tools and practices, such as firewalls, intrusion detection/prevention systems, and encryption. • Proficiency in scripting and automation (e.g., Python, Bash) a plus. • Relevant certifications (e.g., CISSP, CEH) are a plus but not required.