Lead Software Engineer

Job DescriptionWe are seeking a highly skilled Lead Software Engineer with 10+ years of experience designing, building, and operating scalable enterprise software solutions. The ideal candidate brings deep expertise in C#, .NET, cloud-native application development, microservices architecture, and API engineering, with experience delivering secure, resilient, and customer-facing platforms.This role will play a key part in building and evolving external and internal APIs, modernizing applications into cloud-native services, and delivering highly available solutions that serve customers at scale. The successful candidate will collaborate across engineering, product, architecture, security, and operations teams to design and implement modern software systems that are secure, observable, resilient, and maintainable.Key ResponsibilitiesDesign, develop, and maintain external and internal RESTful APIs, microservices, and backend platforms using C#, .NET, ASP.NET Core, and cloud-native architectural patterns.Build scalable, secure, and highly available services that support customer-facing products, third-party integrations, and enterprise workflows.Lead the design and implementation of microservice-based architectures, including service decomposition, API contracts, event-driven patterns, observability, resiliency, and performance optimization.Design and implement cloud-native solutions leveraging modern cloud platforms and services, including containerization, orchestration, infrastructure automation, monitoring, and continuous delivery practices.Develop modern web applications using Angular, TypeScript, HTML, CSS, and contemporary front-end development frameworks and practices.Collaborate with product managers, architects, UX designers, and engineering teams to translate business requirements into scalable technical solutions and implementation plans.Drive engineering excellence through adoption of software design principles, code quality standards, test automation, CI/CD pipelines, and Agile delivery practices.Take ownership of technical design decisions, architecture reviews, code reviews, and mentoring engineers across the team.Define and implement comprehensive testing strategies including unit testing, integration testing, API testing, automation frameworks, and quality gates to ensure production-ready software.Proactively address security throughout the software lifecycle by implementing secure coding practices, supporting vulnerability remediation, addressing penetration test findings, and ensuring compliance with security and regulatory requirements.Leverage AI-assisted development tools such as GitHub Copilot, Cursor, Claude, and related technologies to improve engineering productivity, code quality, testing, troubleshooting, and documentation while ensuring responsible and secure usage.Stay current on emerging technologies, cloud platforms, API ecosystems, AI-assisted development, and modern software engineering practices, bringing innovative ideas to the organization.Required Qualifications10+ years of professional software development experience, with significant hands-on expertise in C#, .NET, ASP.NET Core, API development, and distributed systems.Proven experience designing, developing, and supporting external and internal REST APIs consumed by customers, partners, and internal applications.Strong experience building and operating microservices-based architectures, including service communication patterns, scalability, resiliency, monitoring, and troubleshooting.Hands-on experience developing solutions in public cloud environments such as AWS, Azure, or Google Cloud Platform.Strong proficiency with Angular (Angular 16+ preferred), TypeScript, component-based architecture, state management, routing, and API integration.Experience with containerization and modern deployment technologies such as Docker, Kubernetes, ECS, AKS, or similar platforms.Strong understanding of cloud-native engineering principles including observability, logging, monitoring, distributed tracing, fault tolerance, and operational excellence.Experience implementing CI/CD pipelines and modern DevOps practices for automated build, deployment, testing, and release management.Experience with relational databases, SQL, Entity Framework, data access patterns, and API-centric application design.Experience using source control and collaborative development workflows with Git and GitHub.Excellent communication, mentoring, and cross-functional collaboration skills.Preferred QualificationsExperience with C++ development, including object-oriented programming, performance optimization, debugging, and integration with existing platforms or services.Experience building customer-facing platforms, SaaS applications, developer platforms, or public API ecosystems.Experience with event-driven architectures, asynchronous messaging, and technologies such as Kafka, RabbitMQ, SQS/SNS, or similar messaging frameworks.Knowledge of API gateway technologies, API security standards (OAuth, OpenID Connect, JWT), and API lifecycle management.#LI-GK1What’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.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. For any eligible US locations, unless otherwise noted, the base compensation range for this role is $118,400 USD - $219,800 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 UsThomson 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.Learn more on how to protect yourself from fraudulent job postings here.More information about Thomson Reuters can be found on thomsonreuters.comSummaryLocation: United States of America, Ann Arbor, Michigan; United States of America, Frisco, Texas; United States of America, Eagan, MinnesotaType: Full time