Principal Software Engineer

At Moody's, we unite the brightest minds to turn today’s risks into tomorrow’s opportunities. We do this by striving to create an inclusive environment where everyone feels welcome to be who they are—with the freedom to exchange ideas, think innovatively, and listen to each other and customers in meaningful ways. Moody’s is transforming how the world sees risk. As a global leader in ratings and integrated risk assessment, we’re advancing AI to move from insight to action—enabling intelligence that not only understands complexity but responds to it. We decode risk to unlock opportunity, helping our clients navigate uncertainty with clarity, speed, and confidence. If you are excited about this opportunity but do not meet every single requirement, please apply! You still may be a great fit for this role or other open roles. We are seeking candidates who model our values: invest in every relationship, lead with curiosity, champion diverse perspectives, turn inputs into actions, and uphold trust through integrity. Employment eligibility to work in the U.S. is required, as Moody’s will not pursue visa sponsorship for this position. Skills and Competencies Software Engineering – we are looking for candidates with experience of designing, building, and maintaining significant distributed software systems. Expert in C/C++ and some experience with Python – Our existing codebase is written in C/C++ and many of our new projects use Python extensively. The candidate must be capable of working with large repositories of poorly documented legacy code in addition to building new applications. Communication Skills - The candidate must have good communication skills and be capable of writing technical documentation including requirements specifications and technical specification. Agile - The candidate must be capable of working in an “agile” environment and be familiar with Git and GitHub, Jira, Confluence as well as the traditional C/C++ tool chain. Database – The candidate must have experience working with relational databases. Vector Database experience would be nice to have as would experience with ElasticSearch or OpenSearch. Natural Language Processing and Machine Learning – experience in areas such as Named Entity Recognition, Classification, Summarization, and Clustering applied to streaming unstructured data such as news wires would be nice to have but not essential. Education Batchelor’s Degree in Computer Science or and equivalent engineering of scientific discipline. Responsibilities We are looking for an experienced software engineer to work on sentiment analysis, clustering, and entity extraction for unstructured data in near real‑time. Take on projects involving significant enhancements to our unstructured data processing systems. Work alone or in collaboration with a small team through all stages of the software development lifecycle: specification, design, construction, documentation, testing, and deployment. Assist with designing a new unstructured data factory architecture for future development. Maintain, modernize, extend, and support existing systems as needed. Containerize and migrate legacy systems to new operating systems. Mentor junior members of the team. About the team Our Data Estate Enrichment Squad is responsible for making unstructured data useful for all of Moody’s through entity extraction, classification, and sentiment analysis. By joining our team, you will be part of exciting work in Natural Language Processing, Machine Learning, and Information Extraction. For U.S.-based roles only: the anticipated hiring base salary range for this position is $167,000.00–$242,150.00, depending on factors such as experience, education, level, skills, and location. This range is based on a full‑time position. In addition to base salary, this role is eligible for incentive compensation. Moody’s also offers a competitive benefits package, including not but limited to medical, dental, vision, parental leave, paid time off, a 401(k) plan with employee and company contribution opportunities, life, disability, and accident insurance, a discounted employee stock purchase plan, and tuition reimbursement. Moody’s is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, sex, gender, age, religion or creed, national origin, ancestry, citizenship, marital or familial status, sexual orientation, gender identity, gender expression, genetic information, physical or mental disability, military or veteran status, or any other characteristic protected by law. Moody’s also provides reasonable accommodation to qualified individuals with disabilities or based on a sincerely held religious belief in accordance with applicable laws. If you need to inquire about a reasonable accommodation, or need assistance with completing the application process, please email View email address on click.appcast.io. This contact information is for accommodation requests only, and cannot be used to inquire about the status of applications. For San Francisco positions, qualified applicants with criminal histories will be considered for employment consistent with the requirements of the San Francisco Fair Chance Ordinance. This position may be considered a promotional opportunity, pursuant to the Colorado Equal Pay for Equal Work Act. Candidates for Moody’s Corporation may be asked to disclose securities holdings pursuant to Moody’s Policy for Securities Trading and the requirements of the position. Employment is contingent upon compliance with the Policy, including remediation of positions in those holdings as necessary. #J-18808-Ljbffr