Senior .NET & AWS Engineer — AI-Driven Cloud Leader

PassFort; Washington (Washington County); On-site; USD 140,000 - 207,000; Full time

Job summary

Moody's Analytics is seeking a Staff Software Engineer to drive scalable full-stack development across enterprise platforms and analytics workflows. You will design APIs, data integrations and UI components, while building cloud-native services on AWS with a modern tech stack including C#/.NET Core, Python and serverless patterns.

You will mentor engineers and shape technical direction. The role emphasizes responsible AI adoption, collaboration with product, design and DevOps, and delivering

Qualifications

• 8+ years of professional software engineering with ownership of a significant domain.
• Expert full-stack with C#/.NET Core, ASP.NET, and Python/FastAPI.
• Cloud-native on AWS with Lambda, SQS and Batch; scalable services.
• Design end-to-end systems, APIs, data flows and integration patterns.
• Strong CI/CD, Git and observability; security practices in delivery.

Responsibilities

• Design and deliver scalable full-stack solutions for Moody's enterprise platforms.
• Develop cloud-native services using C#/.NET Core and Python on AWS.
• Own architecture and technical direction; manage debt and decisions.
• Write specs and estimates; translate goals into engineering plans.
• Build reusable components; ensure tests, performance and quality.
• Collaborate with product, design, QA, DevOps and global teams.
• Lead AI-assisted development; mentor engineers and ensure responsible AI use.

Skills

8+ years professional software eng

C#/.NET Core/.NET 8

ASP.NET & Web APIs

Python & FastAPI

Angular/React + TypeScript

AWS cloud-native

SQL Server / PostgreSQL / DynamoDB

Git & CI/CD

Observability tools (New Relic / Cloud

Security & governance

AI tooling (GitHub Copilot etc)

LLM integration

Education

Bachelor's degree in Computer Science or related field

Tools

AWS Lambda

SQS

AWS Batch

Terraform

AWS CDK

CircleCI

Jenkins

New Relic

Splunk

Job description

Moody's Analytics is seeking a Staff Software Engineer to drive scalable full-stack development across enterprise platforms and analytics workflows. You will design APIs, data integrations and UI components, while building cloud-native services on AWS with a modern tech stack including C#/.NET Core, Python and serverless patterns.

You will mentor engineers and shape technical direction. The role emphasizes responsible AI adoption, collaboration with product, design and DevOps, and delivering