Let's begin! Principal Software Engineer
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Job Location:
Monthly Salary:
Posted on:
16 hours ago
Vacancies:
1 Vacancy
Job Summary
At Moodys we unite the brightest minds to turn todays risks into tomorrows opportunities. We do this by striving to create an inclusive environment where everyone feels welcome to be who they arewith the freedom to exchange ideas think innovatively and listen to each other and customers in meaningful ways. Moodys is transforming how the world sees risk. As a global leader in ratings and integrated risk assessment were advancing AI to move from insight to actionenabling 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.
Skills and Competencies
12 years of experience in system architecture and technical leadership with a proven ability to design and scale enterprise-grade AI and distributed systems.
Deep expertise in Python (3.11) LangChain LangGraph FastAPI and asynchronous programming with handson experience building production AI/LLM applications.
Strong architectural understanding of multi-agent systems workflow orchestration LLM integration event-driven architectures and microservices.
Experience developing LLM-powered decisioning systems reinforcement-learninginformed context engineering and prompt optimization pipelines (e.g. DSPy).
Proficiency in designing multi-tenant architectures high-performance APIs and robust state management with PostgreSQL.
Knowledge of financial workflows lending operations and agentic AI patterns (preferred).
Education
Bachelors or Masters degree in Computer Science Engineering or a related technical disciplineor equivalent professional experience.
Responsibilities
Architect and implement multi-agent orchestration systems using LangGraph and LangChain to power intelligent lending workflows.
Build advanced context engineering solutions leveraging reinforcement learning to enable adaptive historically informed decision-making.
Design LLM-driven workflow planning and execution engines including prompt-engineering frameworks function-calling patterns and modeloptimization pipelines.
Create scalable backend services using FastAPI with streaming (SSE/WebSocket) and ensure secure isolated multi-tenant environments.
Lead system-level design across distributed microservices event-driven systems Model Context Protocol (MCP) servers and database schema evolution.
Implement LLM observability latency optimization and modelefficiency enhancements using tools such as Langfuse and DSPy.
Develop AI agents dedicated to key lending functions and integrate real-time chat and streaming interfaces with frontend teams.
Oversee migration pipelines artifact storage design checkpointing and persistent state management via PostgreSQL.
Collaborate cross-functionally with data architects backend engineers and product teams to deliver high-performance AI solutions.
Drive technical strategy mentor senior engineering talent and establish architectural best practices for scalable AI/LLM systems across the organization.
About the team
The AI Architecture team is responsible for building nextgeneration AIpowered lending solutions that combine advanced LLM orchestration distributed systems design and realtime workflow automation. The team partners closely with engineering data and product groups to define architectural direction deliver agentic AI capabilities and shape Moodys longterm strategy in intelligent decisioning and financial automation.
Moodys is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race color religion sex national origin disability protected veteran status sexual orientation gender expression gender identity or any other characteristic protected by law.
Candidates for Moodys Corporation may be asked to disclose securities holdings pursuant to Moodys 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.
For more information on the Securities Trading Program please refer to the STP Quick Reference guide on ComplianceNet
Please note: STP categories are assigned by the hiring teams and are subject to change over the course of an employees tenure with Moodys.
Required Experience:
Staff IC
Key Skills
- Continuous Integration
- Docker
- Jenkins
- Python
- System Design
- Agile
- C/C++
- Go
- Systems Engineering
- Software Development
- Java
- Distributed Systems
About Company
Moody's CreditView is our flagship solution for global capital markets that incorporates credit ratings, research and data from Moody's Investors Service plus research, data and content from Moody's Analytics.
