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S.i. Systems
Senior Java DeveloperS.i. Systems • Toronto
Senior Java Developer

Senior Java Developer

S.i. Systems • Toronto
30+ days ago
Job type
  • Full-time
Job description

We are seeking Senior Java Developers to join a newly formed Vulnerability Squad responsible for managing and resolving a high volume of security vulnerability reports across backend services.

Key Responsibilities

  • Review and assess incoming vulnerability reports from various tools and platforms
  • Filter out false positives or low-priority issues using sound technical and security judgment
  • Prioritize vulnerabilities based on risk, impact, and business context
  • Drive resolution either independently or in collaboration with the development team
  • Provide hands-on support with Java and Spring Boot services
  • Implement secure coding practices
  • Partner with SMEs to design and implement remediation solutions
  • Own end-to-end vulnerability remediation efforts
  • Ensure proper testing and validation with QE teams
  • Support release planning related to vulnerability fixes

Required Skills & Experience

Technical Skills

  • Strong experience with Java and Spring Boot (backend services focus)
  • Solid understanding of service-based architectures
  • Ability to read, debug, and contribute to production code

Security & Vulnerability Knowledge

  • Basic knowledge of application security / InfoSec principles
  • Familiarity with common vulnerabilities (e.g., credential exposure, code misconfigurations)
  • Ability to assess severity and business impact of vulnerabilities

Nice-to-Have

  • Prior experience working in financial services
  • Experience using AI-assisted tools or reporting platforms for issue tracking


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Senior Java Developer • Toronto

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