.Net Application Security Developer
The role involves reviewing, hardening, and improving code across internal .NET repositories to ensure high security standards. The engineer will collaborate with development squads to embed secure coding practices and remediate vulnerabilities found through security tooling.
- On-site
- Montréal, QC
- Posted Aug 17, 2026
- Apply by Sep 16, 2026
- 1 position
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Job summary
We are seeking an experienced Application Security Engineer with strong .NET Framework expertise to join the Productivity and Collaboration fleet within Workforce Technology.We are strengthening the security, quality and resilience of the applications and services used by employees across the firm. As an engineer in the Productivity and Collaboration fleet, the successful candidate will review, harden and improve code across our internal .NET repositories to meet the highest standards of secure engineering. The candidate will be involved in all phases of the software development lifecycle and will collaborate with other squad members to deliver measurable value to our stakeholders. RESPONSIBILITIES: Review, harden and improve code across internal .NET Framework applications and services Build and run automation in PowerShell to analyse, improve and harden code across internal repositories Partner with development squads to embed secure coding practices throughout the software development lifecycle Strengthen existing application features and remediate findings raised through code review and security tooling Enhance the team's use of automated security testing within Continuous Integration/Continuous Delivery pipelines Perform code reviews and contribute to secure-by-design standards, patterns and guidance Support and improve the team's adoption of agile principles: participate in sprint retrospectives and demos as needed SKILLS REQUIRED: 8+ years or more of software development experience Strong hands-on expertise with the .NET Framework (C#, ASP.NET) Demonstrable application security experience Secure coding, code review and remediation Familiarity with recognised application security standards (e.g. OWASP) Hands on experience with Continuous Integration/Continuous Delivery Hands on experience with Agile development (Scrum, Kanban) Understanding of SDLC and secure CI/CD processes Hands on experience with Jira or other issue-tracking systems NICE TO HAVE SKILLS: .NET Core Experience writing Powershell scripts Static and dynamic application security testing (SAST/DAST) tools Threat modelling experience Secure software development certification (e.g. CSSLP) SQL and Database Design
What you’ll do
The role involves reviewing, hardening, and improving code across internal .NET repositories to ensure high security standards. The engineer will collaborate with development squads to embed secure coding practices and remediate vulnerabilities found through security tooling.
Requirements
Candidates need over 8 years of software development experience with strong expertise in .NET Framework and application security standards like OWASP. Proficiency in CI/CD pipelines and Agile methodologies is required.
Listed skills
- CI/CDPreferred
- JiraPreferred
- ScrumPreferred
- AgilePreferred
- C++Preferred
Other relevant skills
Identified from the job description. Confirm important requirements above.
- .NET Framework
- C#
- ASP.NET
- Application Security
- Secure Coding
- Code Review
- OWASP
- CI/CD
- Agile
- Scrum
- Kanban
- Jira
- .NET Core
- PowerShell
- SAST/DAST
- Threat Modelling
Job areas
- Software
- Security & Safety
- Engineering
- Technology
- Consulting
Additional details
- Minimum experience
- 10+ years
- Apply by
- Sep 16, 2026
- Posting language
- English
- Working hours
- 40 hours per week
- Seniority
- Mid-Senior level
- Application method
- Direct apply is available