Principal Software Engineer — AI-Driven Tax Platforms

Reuters; Frisco (TX); Hybrid; USD 159,000 - 295,000; Full time

Job summary

Thomson Reuters is seeking a Principal Software Engineer to join the ONESOURCE Income Tax team in a strategic role. You will set the long-term technical vision, define architecture standards, and guide secure design practices across AWS and GCP environments.

You will lead complex initiatives, mentor senior engineers, and work closely with Product, Security, and leadership to align technology with business goals.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related field is required.
• 10+ years in software engineering with senior/lead/principal-level leadership.
• Strong experience with the Microsoft stack (.NET / C#), Angular, SQL Server, and PostgreSQL.
• Hands-on AWS and GCP experience for applications and infrastructure, including modernizations.
• Proven ability to design and evolve large, high-availability enterprise apps and secure coding practices.

Responsibilities

• Set long-term technical vision for ONESOURCE Income Tax portfolio.
• Define architecture patterns, standards, and best practices for future apps.
• Lead secure design practices and support SOC audits and security testing.
• Mentor Senior and Lead engineers and foster engineering culture.
• Communicate technical strategy effectively to Product, Security, and leadership.

Skills

Technical leadership

Communication skills

Architectural design

Agentic AI knowledge

Mentorship

Education

Bachelor's degree in Computer Science or Engineering

Tools

.NET / C#

Angular

Microsoft SQL Server

PostgreSQL

AWS

GCP

Looker

Job description

Thomson Reuters is seeking a Principal Software Engineer to join the ONESOURCE Income Tax team in a strategic role. You will set the long-term technical vision, define architecture standards, and guide secure design practices across AWS and GCP environments.

You will lead complex initiatives, mentor senior engineers, and work closely with Product, Security, and leadership to align technology with business goals.