Point your AI agent at freehire and let it find you a job.

Get the CLI →

Prestige Staffing

NewBe an early applicant

Principal Software Engineer

Posted Updated 2 views
Discussion

Summary

Principal Software Engineer leading the modernization of proprietary research and data-collection applications: migrating monoliths to microservices, integrating AI features, and mentoring a small team while staying hands-on. Full-stack work across C#/.NET, React, Python, with Azure cloud and DevOps.

Summary

Seeking a seasoned Principal Software Engineer to lead the modernization of our proprietary research and data collection applications. This role offers the opportunity to oversee a transition from monolithic systems to microservices architecture, adaptation of AI tooling, and to provide strategic leadership while remaining actively involved in hands-on development. The ideal candidate will possess a strong full stack background, experience in modern cloud environments, and a passion for integrating AI features into scalable, secure applications. Join a dynamic team dedicated to innovation, excellence, and making a tangible impact globally through investigative technology.

Requirements

  • 7 to 10 years of full stack development experience with C#/.NET, JavaScript, React, and Python
  • 3 to 5 years of leadership experience- either driving a teams technical direction or leading a team
  • Proven ability to design scalable, secure applications with cloud deployment (Azure preferred), containers, and DevOps practices
  • Hands-on experience integrating AI/machine learning into production systems
  • Strong leadership, mentoring, and code review skills
  • Excellent communication skills for technical and non-technical audiences
  • Bachelor’s degree in Computer Science, Engineering, or related field (advanced degree preferred)
  • Comfortable maintaining legacy C#/.NET systems while modernizing with newer stacks

Responsibilities

  • Lead the transition from monolithic architecture to microservices, guiding technical strategies and delivery
  • Architect, build, and maintain scalable, secure applications across the front end and back end
  • Support legacy systems while pioneering integration of modern JavaScript (React) and Python stacks
  • Implement secure APIs, data models, and reliable services following best SDLC and DevOps practices
  • Monitor system performance, reliability, and address production issues proactively
  • Mentor and review code for a small team of engineers, fostering best practices and technical growth
  • Define architectural approaches that balance scalability, cost, and security
  • Collaborate with product, design, and stakeholders to translate business needs into effective technical solutions
  • Lead initiatives to integrate AI features into applications, running proof-of-concept projects and sharing workflows to expand team capabilities


Compensation info:

  • For contract-to-hire an hourly rate of $100-115 hr/w-2;
    for direct hire $200,000-225,000 annual salary

Skills

What Principal Software Engineering jobs ask for — and how much of it you have →
Apply

See also

Software Engineering jobs by country — openings, pay and top skills →

Tailor your CV for this role?

We couldn't check your fit for this role — add a CV to your profile to see it next time.

A new version of freehire is available