Principal Engineer

Principal Engineer

Are you inspired by the opportunity to shape the future of AI-driven technology and lead the development of the next generation of high-performance, scalable, reliable, and resilient tax and accounting software ecosystems? At Thomson Reuters, we invite you to join our Tax and Accounting team as we set the technical direction for our US tax compliance solutions. In this role, you will play a key part in delivering innovative, user-focused products that transform the tax compliance landscape and drive meaningful impact for our clients.

About the role:

• Technical Leadership: Serve as a technical leader within the organization, providing guidance, mentoring, and direction to software engineers at all levels. You provide strategic direction, set engineering and technical standards, and drive innovation across multiple projects or domains.
• AI vision and Strategy : Collaborate to identify opportunities for new AI-powered product features, enhancements, and product expansions to differentiate our products from competitors. Identify opportunities for innovation, assess emerging technologies and proactively apply them in our product.
• Continuous Learning and Development : Foster a culture of continuous learning and development within the engineering team. You encourage skill-building initiatives and lead by example by staying abreast of industry trends, emerging technologies, and best practices.
• Technical Governance: Establish and enforce technical governance standards, including coding standards, design patterns, and development methodologies. You ensure consistency, quality, and scalability across projects and teams
• Technical Roadmap and Architectural Design : Contribute to the development of the technical roadmap, outlining the future direction of the product line's technology stack, infrastructure, and development processes. Assess technology risks, evaluate trade-offs, and make informed decisions that align with the company's long-term goals. Communicate technical concepts and decisions clearly to both technical and non-technical stakeholders. Lead design reviews to ensure proposed solutions meet scalability, performance, and maintainability requirements
• Problem Solving and Troubleshooting : When complex technical issues arise, principal engineers provide leadership in troubleshooting and resolving them. You leverage your expertise to diagnose problems, propose solutions, and guide the team towards resolution. Effective communication and documentation are essential aspects of the role.
• Thought Leadership : Represent the company as technical expert in industry forums, conferences, and events. You provide thought leadership and guide the business to evolve our products in the modern AI landscape and share insights on emerging trends and best practices.

About you:

You're a good fit for the role of Principal Engineer if your background includes:

• 10+ years of hands-on software engineering experience with a proven record of developing scalable and resilient web-based products and solutions. Bachelor's or Master's degree in Computer Science or related field.
• Strong Computer Science fundamentals in Data Structures and algorithm design. Strong programming experience with .Net stack. You will need to have strong object-oriented design and development skills. You possess a solid understanding of object-oriented programming, SOLID, DRY, DDD and core database design principles.
• Proven track record in applying architecture and design patterns to solve complex business problems
• Demonstrated experience in designing and developing customer facing high traffic and performant REST APIs using ASP.Net or similar frameworks; experience with API gateways is a plus.
• Expertise with modern UI frameworks (React, Angular, or similar), TypeScript, Node.js, and Python.
• Experience with AI technologies, including GenAI concepts such as prompt engineering, retrieval-augmented generation (RAG), and fine-tuning.
• Experience working with public cloud infrastructure preferably AWS (EC2, S3, ALB, Auto Scaling, RDS, Lambda function, SQS, Containers).
• Excellent interpersonal and communication skills, with the ability to influence across organizational boundaries and to navigate ambiguity, make data-driven decisions, and deliver results in a fast-paced environment.
• Demonstrated ability to mentor others and promote best practices in devops practices, AI dev tools, and test-driven development.
• Willingness to learn and support our legacy codebase while the transition to our next- generation is occurring. Proven track record of modernizing highly complex legacy web application to cloud native solution.
• #LI-TH1

What's in it For You?

• Hybrid Work Model: We've adopted a flexible hybrid working environment (2-3 days a week in the office depending on the role) for our office-based roles while delivering a seamless experience that is digitally and physically connected.
• Flexibility & Work-Life Balance: Flex My Way is a set of supportive workplace policies designed to help manage personal and professional responsibilities, whether caring for family, giving back to the community, or finding time to refresh and reset. This builds upon our flexible work arrangements, including work from anywhere for up to 8 weeks per year, empowering employees to achieve a better work-life balance.
• Career Development and Growth: By fostering a culture of continuous learning and skill development, we prepare our talent to tackle tomorrow's challenges and deliver real-world solutions. Our Grow My Way programming and skills-first approach ensures you have the tools and knowledge to grow, lead, and thrive in an AI-enabled future.
• Industry Competitive Benefits: We offer comprehensive benefit plans to include flexible vacation, two company-wide Mental Health Days off, access to the Headspace app, retirement savings, tuition reimbursement, employee incentive programs, and resources for mental, physical, and financial wellbeing.
• Culture: Globally recognized, award-winning reputation for inclusion and belonging, flexibility, work-life balance, and more. We live by our values: Obsess over our Customers, Compete to Win, Challenge (Y)our Thinking, Act Fast / Learn Fast, and Stronger Together.
• Social Impact: Make an impact in your community with our Social Impact Institute. We offer employees two paid volunteer days off annually and opportunities to get involved with pro-bono consulting projects and Environmental, Social, and Governance (ESG) initiatives.
• Making a Real-World Impact: We are one of the few companies globally that helps its customers pursue justice, truth, and transparency. Together, with the professionals and institutions we serve, we help uphold the rule of law, turn the wheels of commerce, catch bad actors, report the facts, and provide trusted, unbiased information to people all over the world.

In the United States, Thomson Reuters offers a comprehensive benefits package to our employees. Our benefit package includes market competitive health, dental, vision, disability, and life insurance programs, as well as a competitive 401k plan with company match. In addition, Thomson Reuters offers market leading work life benefits with competitive vacation, sick and safe paid time off, paid holidays (including two company mental health days off), parental leave, sabbatical leave. These benefits meet or exceeds the requirements of paid time off in accordance with any applicable state or municipal laws. Finally, Thomson Reuters offers the following additional benefits: optional hospital, accident and sickness insurance paid 100% by the employee; optional life and AD&D insurance paid 100% by the employee; Flexible Spending and Health Savings Accounts; fitness reimbursement; access to Employee Assistance Program; Group Legal Identity Theft Protection benefit paid 100% by employee; access to 529 Plan; commuter benefits; Adoption & Surrogacy Assistance; Tuition Reimbursement; and access to Employee Stock Purchase Plan.

Thomson Reuters complies with local laws that require upfront disclosure of the expected pay range for a position. The base compensation range varies across locations.Eligible office location(s) for this role include one or more of the following: New York City, San Francisco, Los Angeles, and/or Irvine, CA; McLean, VA; Washington, DC. The base compensation range for the role in any of those locations is $183,100 USD - $340,000 USD.Base pay is positioned within the range based on several factors including an individual's knowledge, skills and experience with consideration given to internal equity. Base pay is one part of a comprehensive Total Reward program which also includes flexible and supportive benefits and other wellbeing programs.This role may also be eligible for an Annual Bonus based on a combination of enterprise and individual performance.

About Us

Thomson Reuters informs the way forward by bringing together the trusted content and technology that people and organizations need to make the right decisions. We serve professionals across legal, tax, accounting, compliance, government, and media. Our products combine highly specialized software and insights to empower professionals with the data, intelligence, and solutions needed to make informed decisions, and to help institutions in their pursuit of justice, truth, and transparency. Reuters, part of Thomson Reuters, is a world leading provider of trusted journalism and news.

We are powered by the talents of 26,000 employees across more than 70 countries, where everyone has a chance to contribute and grow professionally in flexible work environments. At a time when objectivity, accuracy, fairness, and transparency are under attack, we consider it our duty to pursue them. Sound exciting? Join us and help shape the industries that move society forward.

As a global business, we rely on the unique backgrounds, perspectives, and experiences of all employees to deliver on our business goals. To ensure we can do that, we seek talented, qualified employees in all our operations around the world regardless of race, color, sex/gender, including pregnancy, gender identity and expression, national origin, religion, sexual orientation, disability, age, marital status, citizen status, veteran status, or any other protected classification under applicable law. Thomson Reuters is proud to be an Equal Employment Opportunity Employer providing a drug-free workplace.

Thomson Reuters makes reasonable accommodations for applicants with disabilities, including veterans with disabilities, and for sincerely held religious beliefs in accordance with applicable law. If you reside in the United States and require an accommodation in the recruiting process, you may contact our Human Resources Department at View email address on click.appcast.io. Disability accommodations in the recruiting process may include things like a sign language interpreter, making interview rooms accessible, providing assistive technology, or other relevant accommodations. Please note this email is not intended for general recruitment questions and we will promptly respond to inquiries regarding accommodations. More information on requesting an accommodation here.

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More information about Thomson Reuters can be found on thomsonreuters.com