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Développeur sénior, remédiation des vulnérabilités

French posting
  • Québec, QC
  • On-site
  • Posted Nov 6, 2026
  • 1 position

Opens an external site

Employment type
Contract
Posting language
English

Job summary

The senior developer will accelerate the remediation of vulnerabilities across application code, Windows and Linux operating systems, and AWS services. They will guide teams through structured vulnerability handling using influence and technical expertise to ensure end-to-end security improvements.

Job details

The client is looking for a senior developer to speed up the fixing of vulnerabilities as part of reducing technological risk in their main department. The role covers three layers at once: application code, Windows and Linux operating systems, and services hosted in AWS. Document production solutions (Exstream, Kofax, Output Manager, PIOE) are within the scope to be fixed, even though they are not part of the requested qualifications. Monitoring is done via the ArmorCode dashboard, and the person guides the relevant teams toward structured handling, which relies on influence rather than hierarchical authority. The combination of development, infrastructure, and cloud, on a short-term assignment, limits the candidate pool. Candidate wanted: A senior developer or technical specialist who has personally fixed vulnerabilities in Java code, on Windows and Linux servers, and in AWS, and who prioritizes based on criticality. This person moves from layer to layer without handoffs and gets the responsible teams to take action. Key Requirements: Vulnerability analysis and remediation (code, dependencies, operating systems, images, configurations) Severity interpretation, technical risk assessment, and corrective measures Java and Ruby software development, including secure development practices Windows and Linux environments (administration, configuration, hardening, patching) AWS: core services, security models, cloud vulnerability management ArmorCode or equivalent vulnerability management and orchestration platform End-to-end involvement across application, cloud, and infrastructure layers, and stakeholder coordination Influential leadership, autonomy, problem-solving, communication, and the ability to explain complex concepts clearly

What you’ll do

The senior developer will accelerate the remediation of vulnerabilities across application code, Windows and Linux operating systems, and AWS services. They will guide teams through structured vulnerability handling using influence and technical expertise to ensure end-to-end security improvements.

Requirements

Candidates must have extensive experience in vulnerability analysis, secure software development in Java and Ruby, and infrastructure hardening. Strong skills in AWS security models and the ability to coordinate across technical layers are essential for this role.

Listed skills

  • Java · Preferred
  • Ruby · Preferred
  • Problem solving · Preferred
  • Communication · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

  • Vulnerability analysis
  • Vulnerability remediation
  • Java
  • Ruby
  • Windows administration
  • Linux administration
  • AWS security
  • Cloud vulnerability management
  • ArmorCode
  • System hardening
  • Patching
  • Technical risk assessment
  • Stakeholder coordination
  • Influential leadership
  • Problem-solving
  • Communication
  • Java (Programming Language)
  • Problem Solving
  • Influencing Skills
  • Leadership
  • Amazon Web Services
  • Talent Management
  • Risk Analysis
  • Vulnerability Management
  • Operating Systems
  • Linux
  • Hardening
  • Software Development
  • Stakeholder Coordination
  • Ruby (Programming Language)
  • Document Production
  • Linux Servers
  • Kofax
  • OpenText Exstream

Job areas

  • Technology
  • Software
  • Security & Safety
  • Engineering
  • Unclassified
  • Java Developer / Engineer
  • Software Developers

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