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Sr. Windows API & Browser Extension Developer

  • Brampton, ON, Canada

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Job details

Job type
Contract
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Posting language
English
Posted

Original job description

Key Responsibilities

  • Develop secure Microsoft Edge Manifest V3 extensions for data capture and API workflows.
  • Build Windows integration components using C#, .NET Core, Win32 APIs, Windows Services, and Native Messaging.
  • Integrate secure REST APIs using TLS/mTLS, API keys, certificates, and secure authentication.
  • Implement secure in-memory data processing with no sensitive data stored in logs or files.
  • Support Windows Server 2019/2022 and RDS/Terminal Services environments.
  • Manage DPAPI, Windows Certificate Store, service accounts, permissions, and secrets.
  • Implement testing, error handling, retries, timeouts, monitoring, and resilience.
  • Follow Secure SDLC, OWASP, vulnerability management, code reviews, and secure coding practices.
  • Prepare technical documentation, deployment guides, release packages, and support runbooks.
  • Collaborate with architects, security, infrastructure, and customer teams.

Mandatory Skills

  • 8+ years software development experience.
  • 5+ years Windows Server, Windows Platform, and .NET/C# development.
  • 3+ years Edge/Chromium Extension and API integration experience.
  • Manifest V3, Native Messaging, Win32, ASP.NET Core, REST APIs.
  • TLS/mTLS, PKI, Certificate Store, DPAPI.
  • Windows Server 2019/2022 and RDS.
  • Git/GitHub, CI/CD, testing, Secure SDLC, OWASP.
  • Strong troubleshooting, documentation, and customer-facing communication skills.
More about this job

Responsibilities

Develop secure Microsoft Edge Manifest V3 extensions and Windows integration components using C# and Win32 APIs. Implement secure API workflows and manage Windows Server environments including RDS and certificate stores.

Requirements

Requires over 8 years of software development experience, with specific expertise in .NET/C# and Chromium extensions. Must be proficient in secure coding practices, PKI, and Windows platform integration.

Skills

  • Microsoft Edge Manifest V3
  • C#
  • .NET Core
  • Win32 APIs
  • Windows Services
  • Native Messaging
  • REST APIs
  • TLS/mTLS
  • DPAPI
  • Windows Certificate Store
  • Windows Server 2019/2022
  • RDS/Terminal Services
  • Secure SDLC
  • OWASP
  • Git/GitHub
  • CI/CD

Visa sponsorship

Not detected in the job text

Categories

  • Software
  • Technology
  • Engineering
  • Consulting

Keywords

  • Microsoft Edge
  • Manifest V3
  • C#
  • .NET Core
  • Win32
  • Windows Services
  • Native Messaging
  • REST APIs
  • TLS
  • mTLS
  • PKI
  • Certificate Store
  • DPAPI
  • Windows Server 2019
  • Windows Server 2022
  • RDS
  • Terminal Services
  • Secure SDLC
  • OWASP
  • Vulnerability Management
  • Git
  • GitHub
  • CI/CD
  • ASP.NET Core
  • Software Engineering
  • IT Consulting

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