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Randstad DigitalSource d’offres vérifiée

Senior Software Engineer

Offre en anglais

Analyze and remediate security vulnerabilities identified through penetration testing across legacy and modern .NET applications. Design and maintain applications while supporting identity and authentication solutions and optimizing SQL databases.

  • Hybride
  • Toronto, ON
  • Publié 13 août 2026
  • Postuler avant le 12 sept. 2026
  • 1 poste

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Résumé du poste

Senior Software Engineer (Contract Position) Number of openings: 1, 6months initial contract Location: Toronto, Mississauga, GTA Hybrid role, 3-4d/w onsite mandatory Must be eligible to work in Canada Roles and responsibilities: We are seeking an experienced Software engineer to analyze, remediate, test, and validate security vulnerabilities identified through penetration testing and security assessments across legacy and modern .NET applications. Key Responsibilities Analyze and fix security vulnerabilities identified through penetration testing and vulnerability scans. Design, remediate, and maintain applications using .NET Framework, .NET Core, C#, ASP.NET Web Forms, Web API, and WCF Services. Build and update responsive UI components using JavaScript, jQuery, Angular, React, HTML5, CSS3, and Node.js. Support identity, authentication, and authorization solutions using Entra ID, Auth0, and AD-LDS. Develop and optimize MS SQL Server database objects and T-SQL queries. Manage CI/CD pipelines and source code using GitLab and TFS/Azure DevOps. Deploy and configure applications on IIS and Windows Server environments. Must have skills/experience/ qualifications & Requirements Experience: 5+ years in Microsoft application development with hands-on experience in penetration test remediation. Backend: Strong proficiency in C#, .NET Framework, .NET Core, ASP.NET Web API, and WCF Services. Frontend: Working knowledge of JavaScript, jQuery, HTML5/CSS3, Angular, or React. Database & DevOps: MS SQL Server/T-SQL, GitLab, Azure DevOps/TFS, IIS, and Windows Server. Security Standards: Familiarity with OWASP Top 10 vulnerabilities and secure coding principles. Strong problem-solving skills with the ability to work effectively in a hybrid team environment.

Ce que vous ferez

Analyze and remediate security vulnerabilities identified through penetration testing across legacy and modern .NET applications. Design and maintain applications while supporting identity and authentication solutions and optimizing SQL databases.

Exigences

Requires over 5 years of experience in Microsoft application development with a strong focus on penetration test remediation. Proficiency in .NET technologies, frontend frameworks, and secure coding principles like OWASP Top 10 is essential.

Compétences indiquées

  • HTMLSouhaitée
  • Node.jsSouhaitée
  • CSSSouhaitée
  • AngularSouhaitée
  • ReactSouhaitée
  • JavaScriptSouhaitée
  • C++Souhaitée

Autres compétences pertinentes

Relevées dans la description du poste. Confirmez les exigences importantes ci-dessus.

  • C#
  • .NET Framework
  • .NET Core
  • ASP.NET Web API
  • WCF Services
  • JavaScript
  • jQuery
  • Angular
  • React
  • HTML5
  • CSS3
  • Node.js
  • MS SQL Server
  • GitLab
  • Azure DevOps
  • OWASP Top 10

Domaines d’emploi

  • Software
  • Technology
  • Engineering
  • Consulting
  • Security & Safety

Renseignements supplémentaires

Expérience minimale
5+ ans
Postuler avant le
12 sept. 2026
Langue de l’offre
anglais
Heures de travail
40 heures par semaine
Présence au bureau
4 jours par semaine
Niveau d’expérience
Mid-Senior level
Mode de candidature
La candidature directe est offerte