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Added 14 mins ago
B
Risk and Fraud Analyst
BLAZESOFT
Concord, ON
- Full-time
…environment and requires occasional weekend hours as part of regular operations…
Added 14 mins ago
OO
Manager, Finance & Facilities
Ontario Ombudsman
Toronto, ON
- $102,167 to $153,251 CAD / year
- Full-time
The successful candidate will oversee the Office's accounting and financial operations, including financial reporting, budgeting and forecasting, year-end and audit activities, payroll,…
Added 14 mins ago
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Program Manager
VySystems
ON · Ontario, Canada
- Full-time
Lead end-to-end delivery of complex integration programs across Product, Engineering, Architecture, Operations, Security, Compliance, and external partners.
Added 14 mins ago
SM
Scripted Production Accountant
Sphere Media
Canada
- Full-time
Reporting to the Manager, Production Finance, the Scripted Production Accountant is responsible for the financial management of scripted projects from development through final audit. The…
Added 14 mins ago
EP
Accounting Manager
Elby Professional Recruitment
Kitchener, ON
- $90,000 to $110,000 CAD / year
- Contract
In this role, you will oversee day-to-day accounting operations, provide guidance to a small team, and contribute to key financial initiatives. You will also play an important role in…
Added 14 mins ago
TP
Coordinator, Fundraising Granting
The Princess Margaret Cancer Foundation
Toronto, ON
- $50,000 to $60,000 CAD / year
- Full-time
…experience in a similar role, ideally in administration, fundraising operations, grants, finance, donor relations, or a related…
Added 14 mins ago
EC
Risk Operation Manager
Experis Canada
Montreal, QC
- Contract
Significant experience in business operations, technology, technology risk, strategy execution, program management, consulting, or a related field.
Added 14 mins ago
BC
Contracts Administrator, Finance - IBP
Bimbo Canada
Toronto, ON · Etobicoke, ON
- Full-time
…serving major grocery chains, retail outlets and foodservice operations across…
Added 14 mins ago
H
Property Administrator
Hays
Montreal, QC
- $55,000 to $60,000 CAD / year
- Full-time
The role supports the day-to-day administration and operations of a national industrial and logistics portfolio, working closely with Property Managers, tenants, vendors and internal teams.
Added 14 mins ago
XI
Director of Procurement
Xplore Inc.
Markham, ON
- Full-time
…strategic procurement across Xplore's network, technology, operations and corporate spend, and act as the company's senior authority on sourcing, contracting and supplier…
Added 14 mins ago
OS
Executive Assistant
Outlier Search Group
Vancouver, BC
- Full-time
Identify service gaps, improve processes and keep day-to-day office operations organized.
Added 14 mins ago
CF
Director of finance
Calgary French & International School
Calgary, AB
- Full-time
…to meet its fiscal responsibilities. They will oversee the operations of the school’s Finance and Human Resources Departments, and as such will lead, coach and manage two direct reports for…
Added 14 mins ago
MC
Parking/ONE Card/Campus Store Support (Regular Part Time)
Mohawk College
ON
- Part-time
…and is responsible for Parking, ONE Card and Campus retail operations, providing information and resolution for all items related to Parking Services and use of parking facilities by the…
Added 14 mins ago
PM
Commercial Analyst
Profound Medical
Mississauga, ON
- $100,000 to $140,000 CAD / year
- Full-time
The Commercial Analyst supports commercial operations across the North American and international markets through data analysis, performance reporting, sales compensation administration,…
Added 29 mins ago
AT
Billing & Rating Supervisor
Armour Transportation Systems
Moncton, NB
- Full-time
Position Overview: The Billing & Rating Supervisor is responsible for overseeing the daily operations of the Billing Department, ensuring accurate account rating, invoicing, revenue…
Added 29 mins ago
G
Data Analyst
GiveBridge
Toronto, ON
- Full-time
…Intelligence Lead and cross-functional teams including Field Operations, Client Services, Finance, and leadership. The role combines reporting, data quality, and business analysis, with a…
Added 30 mins ago
BE
Office Administrator
BGC Engineering
Vancouver, BC
- Full-time
…office-based role, you will support day-to-day administrative operations and collaborate closely with administrative team members across BGC. Reporting to the Vancouver Admin Team Lead and…
Added 30 mins ago
WF
Inventory Finance – Commercial Associate
Wells Fargo
Mississauga, ON
- Full-time
You will work directly with external customers and collaborate with sales, credit, operations and other internal partners to help move commercial opportunities from initial discussion…
Added 30 mins ago
Junior Accountant - Research Financial Support
University of Guelph
Guelph, ON
Reporting to the Senior Manager, Research Financial Support, the Junior Accountant, Research Financial Support is key to the achievement of effective operations, including management…
Added 30 mins ago
SA
Controller
Standard Aero
Winnipeg, MB
- Full-time
…The successful candidate will be exposed to accounting and operations on a global scale and build the unique knowledge and expertise of one of the world’s largest independent maintenance,…
Added 30 mins ago
Financial Admin Business Systems Analyst (Payment Manager)
City of Regina
Regina, SK
Branch: Financial System Management & Operations
Added 44 mins ago
HR
Functional Specialist , SAP - MM & SCS
Hitachi Rail
Toronto, ON
- Full-time
A career at Hitachi Rail will help create a legacy. With operations in every corner of the world, our work goes to the cutting-edge of digital transformation and technology. From the…
Added 44 mins ago
R&
Scrum Master III
Robertson & Company Ltd.
Toronto, ON
- Contract
Our client is a top financial institution with significant North American holdings. They have operations across most major verticals, including institutional & corporate, wealth management,…
Added 44 mins ago
SG
Contract Administration Associate
Schindler Group
Toronto, ON
- $56,000 to $67,000 CAD / year
- Full-time
We are looking for a detail-oriented and collaborative Contract Administration Associate to join our centralized team supporting Canadian operations.
Added 44 mins ago
E
Real Estate Portfolio Coordinator
EllisDon
Mississauga, ON
- Full-time
Collaborate with Finance, Legal, Operations, and business leaders to ensure accurate portfolio information and effective service delivery

Thomson Reuters

Principal Engineer

Toronto, ON, Canada

Full-time

Apply About employer

Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Dec 3, 2026
Experience: 10+ years of hands-on software engineering experience with a proven record of developing scalable, web-based solutions.
Posting language: English
Posted: Nov 3, 2026

Original job description

Job Description

Principal Engineer

Are you passionate about pushing the boundaries of AI technology and leading the charge in building intelligent solutions that transform how Tax and Trade products work? Join the Thomson Reuters Corporate Tax and Trade team and drive the technical execution of groundbreaking AI projects that make a real difference.

 

As Principal Engineer for Corporate Tax and Trade, you'll define and execute the technical vision for our generative AI products, ensuring we deliver powerful, user-friendly, and innovative solutions that transform Tax and Trade products. 

Key Responsibilities

Provide technical leadership and define software development strategies for critical AI projects, ensuring alignment with business objectives. 
Lead the design and development of innovative features advancing AI-native product experiences. 
Drive the seamless integration of LLMs and generative AI technologies into Corporate Tax and Trade products. 
Streamline the use of Micro Front Ends to ensure low latency, scalability, and excellent user experience. 
Mentor a globally distributed team of engineering managers, architects, and developers to strengthen engineering culture. 
Lead complex technical initiatives, exercising autonomy in decision-making and managing technical risk. 
Collaborate with cross-functional teams to translate business requirements into actionable technical solutions.

Required Qualifications

10+ years of hands-on software engineering experience with a proven record of developing scalable, web-based solutions. 
Expertise with modern UI frameworks (React, Angular, Vue, 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 with cloud platforms (AWS, Azure, or GCP). 
Excellent interpersonal and communication skills, with the ability to influence across organisational boundaries. 
Demonstrated ability to mentor others and promote best practices in release management, AI dev tools, and test-driven development.
Ability to navigate ambiguity, make data-driven decisions, and deliver results in a fast-paced environment.
Experience integrating AI/ML technologies into customer-facing applications.
Background in enterprise SaaS environments.
Advanced degree in Computer Science, Engineering, or a related field.

Preferred Qualifications

N/A

New Position: This position is open due to an existing vacancy to support our evolving business needs.

What’s in it For You?

Hybrid Work Model: We’ve adopted a flexible hybrid working environment 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.

Our use of AI within the recruitment process Thomson Reuters utilizes Artificial Intelligence (AI) to support parts of our global recruitment process. Unless you opt-out, our AI system will assess the information provided by you and compare it to the requirements listed for the role, and present the result to our recruitment personnel for further review. The AI system acts as a supporting tool, but there is always a human making the decision if you will be considered for the role.

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. For any eligible US locations, unless otherwise noted, the base compensation range for this role is $158,900 USD - $295,100 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 HR.Leave-Expert@thomsonreuters.com. 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.

Learn more on how to protect yourself from fraudulent job postings here.

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

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More about this job

Responsibilities

Define and execute the technical vision for generative AI products, leading the design and development of AI-native features and integrating LLM technologies into Corporate Tax and Trade products. Provide technical leadership, manage complex initiatives and technical risks, improve Micro Front End performance and scalability, mentor a distributed engineering team, and collaborate across functions to turn business needs into technical solutions.

Requirements

Requires 10 or more years of hands-on software engineering experience developing scalable web solutions, expertise in modern UI frameworks, TypeScript, Node.js, Python, cloud platforms, and experience integrating AI/ML into customer-facing applications. Candidates should have GenAI experience, enterprise SaaS background, strong communication and mentoring abilities, and an advanced degree in Computer Science, Engineering, or a related field.

Skills

Technical Leadership
Software Engineering
Generative AI
Large Language Models
Prompt Engineering
Retrieval-Augmented Generation
Fine-Tuning
React
Angular
Vue
TypeScript
Node.js
Python
Cloud Platforms
Micro Frontends
Mentoring

Benefits

Flexible Vacation
Mental Health Days
Headspace App Access
Retirement Savings
Tuition Reimbursement
Employee Incentive Programs
Health Insurance
Dental Insurance
Vision Insurance
Disability Insurance
Life Insurance
401(k) With Company Match
Paid Holidays
Parental Leave
Sabbatical Leave
Fitness Reimbursement
Employee Assistance Program
Employee Stock Purchase Plan
Adoption and Surrogacy Assistance
Commuter Benefits
Paid Volunteer Days

Visa sponsorship

Not detected in the job text

Keywords

Generative AI
Artificial Intelligence
Large Language Models
Prompt Engineering
Retrieval-Augmented Generation
Fine-Tuning
AI/ML Integration
AI-Native Products
React
Angular
Vue
TypeScript
Node.js
Python
AWS
Azure
Google Cloud Platform
Micro Front Ends
Enterprise SaaS
Scalable Web Applications
Technical Strategy
Software Development
Release Management
AI Development Tools
Test-Driven Development
Technical Risk Management
Cross-Functional Collaboration
Mentoring
Corporate Tax
Trade Products

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