Contract jobs in Milton, Ontario

Find contract jobs in Milton, Ontario and nearby towns within 25 km. Read the full details and apply.

Newest first

Within 25 km of Milton

Added 1 month ago
Java Microservices Developer
Viva Tech Solutions
Mississauga, ON
Added 1 month ago
Warehouse Management Systems (WMS) Specialist: 15-month contract
Martin-Brower of Canada Co.
Brampton, ON
Added 1 month ago
(CAN) Overnight Remodel Associate
Walmart Canada
Mississauga, ON
Added 1 month ago
Speech Language Pathologist, Contract, 1.0FTE
Dufferin-Peel Catholic District School Board
Mississauga, ON
Added 1 month ago
Sr. OSB Developer
J&M Group
Brampton, ON
Added 1 month ago
Compliance Manager FCC
Fidelity Canada
Mississauga, ON
Added 1 month ago
Sr. AI Architect
J&M Group
Brampton, ON
Added 1 month ago
Python Developer
Open Systems Technologies
Mississauga, ON
Added 1 month ago
CU
Studio Manager
CHEIL USA
Mississauga, ON
- $70,000 to $75,000 CAD / year
Added 1 month ago
CU
Account Supervisor
CHEIL USA
Mississauga, ON
- $70,000 to $75,000 CAD / year
Added 1 month ago
Executive-Admin
Bondada Group
Burlington, ON
Added 1 month ago
QC Stability Coordinator Assistant
Bora Pharmaceuticals
Mississauga, ON
Added 1 month ago
Financial Accountant (Contract)
Sun Pharmaceutical Industries Ltd
Brampton, ON
Added 4 months ago
Civil Construction Inspector, Rail (Contract)
HDR
Burlington, ON
Added 1 month ago
CL
Equipment Lease Administrator (Contract)
Crown Lift Trucks ULC
Mississauga, ON
- $54,900 to $65,900 CAD / year
Added 1 month ago
Sr. Accounts Receivable Specialist (1 year contract)
PointClickCare
Mississauga, ON
Added 1 month ago
Application / Solution Architect
J&M Group
Mississauga, ON
Added 1 month ago
IG
Accounting Clerk
Insight Global
Mississauga, ON
- $19 to $20 CAD / hour
Added 1 month ago
Financial Analyst
AtkinsRéalis
Mississauga, ON
Added 1 month ago
Pilot
Novajet 2106701 Ont Inc
Mississauga, ON
Added 2 months ago
ITSM Change Manager
J&M Group
Mississauga, ON
Added 1 month ago
AC
Controller
Aston Carter
Oakville, ON
- $60 to $65 CAD / hour
Added 2 months ago
System Validation Analyst
Dynacare
Brampton, ON
Added 2 months ago
System Validation Analyst
Dynacare
Brampton, ON
Added 2 months ago
Sr. Windows API & Browser Extension Developer
J&M Group
Brampton, ON

J&M Group

Sr. Windows API & Browser Extension Developer

Brampton, ON, Canada

Contract

Within 25 km of Milton · About 24.2 km from the city centre

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Job details

Job type: Contract
Apply by: Feb 23, 2027
Posted: Aug 27, 2026

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.

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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

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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