Thomson Reuters
Principal Engineer - ONESOURCE Income Tax
$159K–$295K
United States of America, Frisco, Texas +2 · Hybrid · Principal · Full-time · Posted Oct 23, 2026
- Location
- United States of America, Frisco, Texas
United States of America, Ann Arbor, Michigan
United States of America, Eagan, Minnesota - Experience
- 10+ years of software engineering experience, including significant time in senior, lead, or principal-level technical leadership roles.
- Education
- Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent experience.
About the job
Sets technical strategy and architecture for the ONESOURCE Income Tax portfolio, leading secure cloud modernization and engineering practices while guiding teams and stakeholders.
What you'll do
- Define long-term technical vision, architecture patterns, standards, and technology choices for current and future applications.
- Guide secure design, cloud modernization on AWS and GCP, and compliance work including SOC audits and security testing.
- Lead high-risk initiatives, shape agentic AI and MCP architecture, and mentor engineers while partnering with product and senior leaders.
What they ask for
- Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent experience.
- 10+ years of software engineering experience, including significant time in senior, lead, or principal-level technical leadership roles.
- Strong experience with .NET / C#, Angular, Microsoft SQL Server, and PostgreSQL; hands-on AWS and GCP experience across applications and infrastructure.
- Experience designing and modernizing large, high-availability enterprise applications, with secure software design and application security expertise.
Nice to have
- Experience with agentic AI, LLM-based solutions, and Model Context Protocol (MCP) servers.
- Experience in tax, accounting, finance, or a related regulated domain; GCP data warehousing and Looker experience.
Pay
$158,900 USD - $295,100 USD (base salary)
Tools
.NET, C#, Angular, Microsoft SQL Server, PostgreSQL, AWS, GCP, Snyk
AI focus
Help design architecture for AI agents, expand existing MCP server capabilities, and identify opportunities for AI and other technologies to change business processes.
Model-written summary · the original posting is authoritative