Software Engineer

Montréal, QC
Hybrid
Posted Oct 29, 2026
1 position

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Employment type: Contract, Full-time
Experience level: Senior · 5+ years
Posting language: English
Working hours: 40 hours per week
Office presence: 3 days per week
Seniority: Mid-Senior level
Application method: Apply on LinkedIn (LinkedIn sign-in required)

Job summary

Strengthen the security and operational reliability of mission-critical information distribution and file transfer platforms by remediating vulnerabilities and upgrading dependencies. Refactor legacy applications, reduce technical debt, and coordinate with cybersecurity and infrastructure teams to implement security improvements.

Job details

Job Title: Software Engineer – Platform Security & Modernization Location: Montreal, QC (Hybrid: 3 Days On-Site) Employment Type: Contract / Full-Time Role Overview We are seeking a Software Engineer – Platform Security & Modernization to join a global enterprise technology team. In this role, you will be responsible for the security, modernization, and operational reliability of mission-critical information distribution and file transfer platforms. You will play a central role in strengthening platform security posture, reducing technical debt, refactoring legacy applications, and driving resilience through automation, telemetry, and software engineering best practices. 🚨 Must-Have Skills (Non-Negotiable) Candidates must possess all of the following core competencies to be considered for this role: Core Programming: Strong, hands-on programming expertise in Java (Java 17 or higher preferred), plus working proficiency in Python or JavaScript. Frameworks & Architecture: Proven hands-on experience building REST APIs using Spring Boot and applying solid object-oriented design principles. Security & Vulnerability Remediation: Demonstrated experience handling vulnerability remediation, third-party dependency updates (SCA), code analysis (SAST), and applying secure coding principles. Linux & Infrastructure: Solid working knowledge of Linux/Unix systems and shell scripting (Bash/Sh). Networking Protocols: Sound working knowledge of protocols including HTTPS, SSH/SFTP, SMTP, TLS, and TCP/IP. Databases: Practical experience writing and optimizing queries for relational databases (e.g., PostgreSQL, Oracle, or SQL Server). Modern Engineering Tooling: Hands-on experience with Git workflows, CI/CD pipeline configuration, automated testing, and container tools (Docker, Kubernetes, or OpenShift). Key Responsibilities Security & Platform Hygiene Vulnerability Management: Remediate application and infrastructure security flaws identified via penetration testing, risk assessments, and automated scanners. Framework Maintenance: Upgrade third-party libraries, application frameworks, and platform dependencies to fully supported and secure releases. Technical Debt Reduction: Refactor legacy codebases to improve maintainability, decrease operational risk, and enforce security-by-design standards. Cross-Team Alignment: Work directly with Cybersecurity and Infrastructure groups to convert security findings into executable remediation plans.

What you’ll do

Requirements

Requires hands-on Java programming, proficiency in Python or JavaScript, and experience building REST APIs with Spring Boot and object-oriented design. Candidates must also have experience with security remediation, Linux and shell scripting, networking protocols, relational databases, Git, CI/CD, automated testing, and container tools.