Senior Software Security Engineer

2 weeks ago

Surrey, British Columbia, Canada Ivolve Solutions Full time $120,000 - $180,000 per year

Senior .NET Software Engineer (Contract – 12 Months)

Location:
Hybrid / Remote (Canada)

Type:
Full-Time Contract (1 Year)

Client:
Confidential – Global Technology Company

About the Opportunity

We're seeking a
Senior .NET Software Engineer
to join a high-performing application modernization team at a leading global technology company. This is a
critical 12-month contract role
where you'll play a key part in a major initiative to
migrate legacy .NET Framework systems to a modern .NET 8 microservices-based architecture
.

You'll work alongside a collaborative and talented engineering team in an environment that values
innovation, autonomy, and technical excellence
. If you're passionate about tackling complex modernization challenges and leaving a lasting impact, this role offers the perfect opportunity.

The Role

This engagement is structured across two core phases:

Phase 1 – Platform Foundation & Migration (First 6 Months):

You will:

  • Lead the upgrade of existing legacy .NET Framework applications to
    modern .NET 8
    .
  • Untangle complex dependencies and refactor core platform components.
  • Establish foundational microservices architecture and manage
    package upgrade paths
    and compatibility issues.

Phase 2 – Product Enablement & Optimization (Next 6 Months):

You will:

  • Partner with product teams to decompose and migrate domain code to the new platform.
  • Provide hands-on technical guidance, mentorship, and architectural support.
  • Continuously refine and enhance the new platform based on feedback and evolving requirements.

This team operates under a
"you build it, you run it"
philosophy — you'll be responsible for design, development, testing, deployment, and ongoing operational excellence.

Key Responsibilities

  • Modernize and migrate legacy .NET applications from monolithic to microservices architecture.
  • Refactor and optimize large-scale C# codebases, ensuring performance, scalability, and maintainability.
  • Implement Domain-Driven Design (DDD) principles to guide architectural restructuring.
  • Collaborate closely with cross-functional teams to drive end-to-end modernization efforts.
  • Support production systems and contribute to continuous improvement initiatives.

Required Skills & Experience

  • Proven experience migrating
    enterprise-scale applications from
    .NET Framework to .NET 6/7/8
    .
  • Deep expertise in
    C#
    ,
    ASP.NET
    , and
    modern .NET Core/.NET 8
    .
  • Strong understanding of
    microservices
    ,
    API design
    , and
    distributed systems
    .
  • Hands-on experience with
    Domain-Driven Design (DDD)
    and large-scale refactoring.
  • Demonstrated success managing complex dependency and package upgrade paths.

Highly Valued

  • Experience with
    Kubernetes
    ,
    Docker
    , and containerized applications.
  • Knowledge of
    message queuing
    ,
    RESTful APIs
    , and
    event-driven architectures
    .
  • Strong troubleshooting and debugging skills for production systems.
  • Familiarity with
    CI/CD pipelines
    ,
    unit testing
    , and best practices in code quality.
  • Excellent communication and collaboration skills with both technical and non-technical stakeholders.

Why Join

  • Contribute to a
    flagship modernization project
    that will define the next generation of digital architecture.
  • Work with a team of
    innovative engineers
    who value autonomy, learning, and technical mastery.
  • Competitive compensation and flexibility in a supportive, forward-thinking environment.
  • Note:
    This opportunity is with a confidential global client. Only qualified candidates with direct .NET migration experience will be shortlisted.

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