Senior Software Engineer I - OneStream

Job Description: As a Senior Software Engineer I specializing in OneStream, you will play a pivotal role in designing, developing, and deploying software solutions for Thomson Reuters. You will use OneStream, Enterprise Performance Management (EPM) platforms, and emerging technologies, including artificial intelligence, to meet customer needs. You will own the OneStream platform end to end. This covers architecture, infrastructure, security compliance, governance, and integrations. You will work closely with cross-functional teams and mentor junior engineers. You will also help drive automation and continuous improvement across the finance technology landscape. Key Responsibilities: Lead the design and development of complex, scalable, reliable, and maintainable software systems using OneStream and EPM tools. Design and architect optimal solutions, and make sure architectural integrity and performance are maintained. Perform thorough requirements analysis, translating business needs into technical specifications. Drive best practices in software development, including high-quality code and efficient development workflows. Manage OneStream infrastructure, including environment management and application performance. Work with internal teams to ensure OneStream complies with TR Security Standards (e.g., VPN connectivity, encryption standards, security dashboards). Ensure application governance across OneStream environments, including code management and artifact management. Drive automation initiatives across infrastructure, compliance, and governance. Implement data integration methodologies to connect OneStream with other systems, such as Data Lake, SQL Server, S4 HANA, and Power BI. Use strong analytical skills to turn data and collection processes into meaningful insights. Apply AI expertise to enhance existing products and develop new functionality. Research and evaluate emerging technologies, and recommend adopting them where they improve products and development processes. Oversee and contribute to comprehensive software testing strategies to ensure robust, defect-free deployments. Conduct operational assessments of existing systems, and identify and implement improvements. Troubleshoot and resolve complex technical issues using advanced problem-solving skills. Collaborate with product management, QA, and operations teams to foster open, collaborative communication. Champion a customer-centric focus throughout the software development lifecycle. Mentor and guide junior engineers to support their growth and development. Required Qualifications: Bachelor's degree in Computer Science, Software Engineering, or a related field. Proven experience as a Software Engineer, with demonstrated leadership on software development projects. Hands-on experience with EPM tools, including OneStream and Hyperion. Experience in end-to-end OneStream implementation, with significant exposure to managing OneStream infrastructure. Strong expertise in EPM and planning technologies, with hands-on experience in planning, forecasting, and month-end processes. Experience with data integration between OneStream and systems such as Data Lake, SQL Server, S4 HANA, and Power BI. Extensive experience in the full software development lifecycle, with a deep understanding of software engineering principles and practices. Strong background in software testing methodologies and tools. Proven ability in system design and architecture. Expertise in requirements analysis and operational assessment techniques. Exceptional analytical and problem-solving abilities, with a passion for data-driven insights. Excellent collaborative communication and interpersonal skills. Demonstrated customer-centric focus in previous roles. Experience mentoring junior engineers. A self-motivated, team-oriented approach and a passion for serving others. Preferred Qualifications: Master's degree in Computer Science, Software Engineering, or a related field. Knowledge of Claude, Generative AI, and Sensible ML. Solid understanding of and experience with emerging technologies. Experience driving automation initiatives in EPM or infrastructure environments. #LI-VGA1 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. 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. We also make reasonable accommodations for qualified individuals with disabilities and for sincerely held religious beliefs in accordance with applicable law. 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.