.NET Principal Architect

Posted Yesterday
Be an Early Applicant
5 Locations
Remote
Expert/Leader
Artificial Intelligence • Information Technology • Software
The Role
Lead assessment and modernization of legacy .NET applications to Azure. Define architecture and repeatable migration patterns, guide refactoring and containerization, advise on database modernization and messaging, establish Azure guardrails, and provide technical leadership across teams during migrations.
Summary Generated by Built In

At Sparq, we help companies solve the right problems—not just build more technology.


We’re a modern product engineering partner blending strategy, craftsmanship, and speed to help organizations modernize confidently in the age of AI. From data ecosystems to digital products and AI acceleration, we turn complexity into clarity and ideas into impact.


If you’re driven to build what’s next, lead with empathy, and deliver excellence without ego, you’ll feel right at home at Sparq.

Why you will enjoy Mondays again:

  • Opportunity to collaborate with a diverse group of colleagues in a fun, creative environment
  • Progressive career journey and opportunity for advancement
  • Continuous development through training, mentorship and certification programs
  • Exposure to modern technologies across various industries in an agile environment
  • Remote work

A Day in the Life:

  • Assess legacy .NET applications to determine the most effective modernization and migration strategy
  • Lead architecture decisions for migrating web applications, APIs, services, and databases to Microsoft Azure
  • Guide refactoring efforts to make applications cloud-ready, including transitioning monoliths into modern architectures
  • Define and document repeatable migration patterns for use across the Cloud Enablement Team
  • Partner with senior engineers to move applications from legacy environments into production in Azure
  • Advise teams on database modernization, performance tuning, and SQL Server best practices
  • Establish guardrails and best practices for secure, scalable, and maintainable Azure deployments
  • Translate complex cloud architecture concepts into practical guidance for application teams
  • Support modernization initiatives such as SOAP to REST transitions and Windows Services to containerized workloads
  • Provide technical leadership across multiple development teams during migration and modernization efforts

What it takes:

  • Deep understanding of .NET application architecture including ASP.NET, .NET Framework, and .NET Core
  • Strong experience with web applications, REST APIs, SOAP services, and Windows Services
  • Proven experience assessing and refactoring legacy enterprise applications
  • Strong SQL Server and database design expertise
  • Experience modernizing monolithic applications into cloud-ready architectures
  • Hands-on understanding of Microsoft Azure fundamentals including Resource Groups, networking, identity, RBAC, and security
  • Experience migrating applications from on-premises environments to Azure using App Services, containers, and Azure SQL or Managed Instance
  • Understanding of messaging modernization such as MSMQ to Azure Service Bus
  • Familiarity with CI/CD practices using Azure DevOps or GitHub Enterprise
  • Working knowledge of Infrastructure as Code tools such as Bicep, ARM, or Terraform
  • Experience guiding modernization efforts such as SOAP to REST transitions and containerization strategies
  • Nice to have: Azure Data Factory, Azure Service Bus, AKS, Docker, GitHub Enterprise PR workflows, and AI-assisted development practices

Regardless of your specific role, we seek individuals who are excited to explore, adopt, and evangelize AI tools and methodologies. If you have experience in AI or a proven track record of rapidly learning and mentoring others on emerging tech, you’ll fit right in.


Equal Employment Opportunity Policy: Sparq is proud to offer equal employment opportunity without regard to age, color, disability, gender, gender identity, genetic information, marital status, military status, national origin, race, religion, sexual orientation, veteran status, or any other legally protected characteristic.


We are committed to providing equal employment opportunities and believe in an inclusive workplace. If you require reasonable accommodations to participate in the job application or interview process, please let us know by contacting [email protected]



#LI-REMOTE

Skills Required

  • Deep understanding of .NET application architecture including ASP.NET, .NET Framework, and .NET Core
  • Strong experience with web applications, REST APIs, SOAP services, and Windows Services
  • Proven experience assessing and refactoring legacy enterprise applications
  • Strong SQL Server and database design expertise
  • Experience modernizing monolithic applications into cloud-ready architectures
  • Hands-on understanding of Microsoft Azure fundamentals (Resource Groups, networking, identity, RBAC, security)
  • Experience migrating applications from on-premises to Azure using App Services, containers, and Azure SQL or Managed Instance
  • Understanding of messaging modernization such as MSMQ to Azure Service Bus
  • Familiarity with CI/CD practices using Azure DevOps or GitHub Enterprise
  • Working knowledge of Infrastructure as Code tools such as Bicep, ARM, or Terraform
  • Experience guiding SOAP to REST transitions and containerization strategies
  • Experience with Azure Data Factory
  • Experience with AKS and Docker
  • Familiarity with GitHub Enterprise PR workflows
  • Experience with AI-assisted development practices

Sparq Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Sparq and has not been reviewed or approved by Sparq.

  • Leave & Time Off Breadth PTO with floating holidays and seven U.S. holidays is part of the package, and flexibility around taking time off is highlighted positively. These elements support work–life balance for many roles.
  • Retirement Support A 401(k) program is offered and some postings reference a company match. This provides baseline long‑term savings support even though specific match details are not publicly listed.
  • Inclusive Benefits Coverage Participation in LGBTQ+ inclusion benchmarks and the presence of colleague resource groups signal attention to inclusive policies and benefits. External recognitions further reinforce a focus on equitable workplace practices.

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The Company
HQ: Atlanta, GA
723 Employees

What We Do

In the age of AI, differentiation isn’t in what you build - it’s in the problems you choose to solve and the outcomes they unlock. That’s why we help leaders cut through the noise, focus on what matters most, and solve it right the first time. By fusing problem-first thinking, deep technical craftsmanship, and fast, flawless delivery, we de-risk transformation and deliver solutions that stick, scale, and prove their worth. With a deep bench of end-to-end technologists, architects, and engineers, no challenge is too complex and no solution is half-built. At Sparq, your mission is our mission. We’re modular by design - meeting you where you are and accelerating you toward where you’re meant to be. We don’t just guide - we climb with you. Embedded alongside your teams, we chart the course, build with precision, and navigate complexity until your outcomes are achieved. Built to solve, not just to build.

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