Principal Software Architect

  •  Reference Number: 402568
  •  Posted: 06/26/2026
  •  Job Type: Permanent

Our client, a leading organization in the technology and enterprise software sector, is seeking a Principal Software Architect to join their team. As a Principal Software Architect, you will be part of the Engineering Department supporting cross-functional product teams. The ideal candidate will demonstrate strategic thinking, collaborative spirit, and technical leadership, which will align successfully in the organization.

Job Title: Principal Software Architect

Location: Appleton, WI

What's the Job?

  • Own and shape the end-to-end technical architecture across the company's product portfolio, ensuring alignment with enterprise goals and modernization efforts.
  • Lead the transition from legacy systems to a modern, cloud-native, API-first SaaS platform, focusing on system design, technology selection, and integration patterns.
  • Collaborate closely with technology leadership, product teams, and security experts to establish architectural standards, best practices, and guardrails.
  • Define and implement AI-augmented engineering practices, including safe and effective use of AI tools and frameworks within the development lifecycle.
  • Partner with cloud infrastructure teams to design resilient, scalable, and cost-efficient cloud solutions on Microsoft Azure, supporting platform modernization and operational excellence.

What's Needed?

  • Bachelor's Degree in Computer Science, Computer Engineering, or a related discipline, or equivalent professional experience.
  • 10+ years of professional software engineering experience, including 4+ years in a senior architectural role on SaaS or enterprise platforms.
  • Deep expertise in the Microsoft technology stack, including C#, .NET, ASP.NET Core, and SQL Server/Azure SQL.
  • Proven experience leading legacy-to-modern migration projects, such as monolith decomposition and API extraction.
  • Hands-on experience with AI-augmented development tools like Microsoft Copilot and Anthropic suite, with a clear understanding of their impact on software architecture.

What's in it for me?

  • Opportunity to lead innovative platform modernization initiatives in a dynamic environment.
  • Work with cutting-edge cloud and AI technologies, shaping the future of enterprise software.
  • Collaborate with a talented and diverse team committed to excellence and continuous improvement.
  • Contribute to impactful projects that support regulatory compliance and data security.
  • Be part of a forward-thinking organization that values strategic foresight and entrepreneurial spirit.

Upon completion of waiting period consultants are eligible for:

  • Medical and Prescription Drug Plans
  • Dental Plan
  • Vision Plan
  • Health Savings Account
  • Health Flexible Spending Account
  • Dependent Care Flexible Spending Account
  • Supplemental Life Insurance
  • Short Term and Long Term Disability Insurance
  • Business Travel Insurance
  • 401(k), Plus Match
  • Weekly Pay

If this is a role that interests you and you'd like to learn more, click apply now and a recruiter will be in touch with you to discuss this great opportunity. We look forward to speaking with you!

About ManpowerGroup, Parent Company of: Manpower, Experis, Talent Solutions, and Jefferson Wells.

ManpowerGroup® (NYSE: MAN), the leading global workforce solutions company, helps organizations transform in a fast-changing world of work by sourcing, assessing, developing, and managing the talent that enables them to win. We develop innovative solutions for hundreds of thousands of organizations every year, providing them with skilled talent while finding meaningful, sustainable employment for millions of people across a wide range of industries and skills. Our expert family of brands – Manpower, Experis, Talent Solutions, and Jefferson Wells – creates substantial value for candidates and clients across more than 75 countries and territories and has done so for over 70 years. We are recognized consistently for our diversity - as a best place to work for Women, Inclusion, Equality and Disability and in 2023 ManpowerGroup was named one of the World's Most Ethical Companies for the 14th year - all confirming our position as the brand of choice for in-demand talent.

Appleton, WI

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