# Senior Software Engineer I - OneStream at Thomson Reuters

Thomson Reuters is hiring a Senior Software Engineer I - OneStream in Bengaluru, India. Level rates it Uses AI ●●○○; you can [apply on Thomson Reuters](https://jobsbylevel.com/go/b52cb722-3db9-48e7-824b-5ac0e3c9854c?utm_medium=ai-agent).

AI Level 2, AI centrality 55 out of 100. India, Bengaluru, Karnataka.

## Details

- Company: [Thomson Reuters](https://jobsbylevel.com/companies/thomson-reuters)
- AI level: AI Level 2 (score 55 out of 100)
- Location: India, Bengaluru, Karnataka
- Posted: November 4, 2026
- Apply: https://jobsbylevel.com/go/b52cb722-3db9-48e7-824b-5ac0e3c9854c?utm_medium=ai-agent
- Free CV review for this job: https://jobsbylevel.com/cv-review?job=senior-software-engineer-i-onestream-at-thomson-reuters-fda75d

## Prepare for this job

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## Description

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,

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