Senior Software Engineer

Senior Software Engineer

Thomson Reuters is seeking a Senior Software Engineer for the GoSystem Tax product. Our vision is to create the next generation of tax and accounting software ecosystem that is highly performant, scalable, reliable, and resilient. We have embarked on a journey to transform our monolithic system into microservices by taking advantage of modern cloud-native architecture principles and cloud technologies.

We are also building APIs that open up our ecosystem for integrations with our customers’ systems. We seek to add a talented, results-oriented, and innovative software engineer to our team who will help us extend our market leadership into the next generation of our software.

Agile, collaborative, and flexible. We are organized around self-directed, largely autonomous Scrum teams. You work well with others, enjoy opportunities to collaborate, and readily adapt as strategies evolve and priorities change.

Because you love what you do, you bring infectious enthusiasm to all your endeavors. You always perform at your absolute best and see new challenges as an opportunity to contribute, make an impact, and grow.

At Thomson Reuters, commitment to customer satisfaction and technology excellence permeates everything we do. You care tremendously about delighting our users and ensuring that our market and technical leadership is sustained and extended. You are your harshest critic and hold yourself personally accountable, jumping in and taking ownership of problems that might not even be in your team’s scope.

You fit for the role of Senior Software Engineer if you have the following required qualifications:

• Design, develop, and deliver scalable, reliable, and highly available services and APIs using microservices architecture patterns and REST principles
• Follow Twelve-Factor App methodology to develop services
• Develop cloud-native solutions that run on cloud infrastructure such as AWS
• Partner with Product Managers to develop user stories and maintain a groomed product backlog
• Apply agile software development methodology and deliver production-ready code at the conclusion of every two-week sprint
• Work with architects to determine the technical design for feature requirements
• Drive innovation through rapid prototyping and iterative development
• Ensure that applications and infrastructure are designed and implemented to the highest security standards, maintaining and enhancing customer trust

You will work in an agile, collaborative, and flexible environment with self-directed, largely autonomous Scrum teams, adapting as strategies evolve and priorities change.

You are a strong individual contributor who brings passion, accountability, and technical excellence to your work. You are a creative problem solver who thrives in collaborative environments.

• At least 5 years of experience contributing to scalable, extensible software solutions and systems
• A strong understanding of technology with a passion for excellence
• A mindset of building quality into solutions by partnering closely with Quality Engineering and Quality Assurance teams

• Experience designing and constructing elastic, fault‑tolerant, high‑performance, scalable, cloud‑native systems
• Comfort moving away from monolithic architectures toward modern distributed systems

• The ability to balance speed and quality
• Comfort making mistakes, failing quickly and safely, and learning continuously

You bring energy and enthusiasm to your work, see challenges as opportunities to grow, and take personal ownership of outcomes.

• Bachelor’s degree in Computer Science, Computer Engineering, related field, or equivalent experience
• 5+ years of experience in a software engineering environment
• Strong computer science fundamentals in data structures and algorithm design
• Strong programming experience with .NET and C#
• Solid understanding of object-oriented programming, SOLID, DRY, DDD, and core database design principles
• Strong experience designing and developing web applications and production‑grade customer‑facing APIs using ASP.NET
• Experience with…