Senior AI Systems Engineer – LLM & Agentic Apps

NBCUniversal; United States; Remote; USD 120,000 - 160,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

401(k)

Paid leave

Tuition reimbursement

Other discounts and perks

Job summary

NBCUniversal in the United States is seeking a Senior Software Engineer focused on agentic, LLM-powered applications. You will design, develop, and optimize intelligent systems and autonomous agents across the full stack, from prompt engineering and LLM integration to observability and cloud-native deployment.

The role requires deep Python expertise, hands-on work with AWS services like Lambda, ECS, S3, and DynamoDB, and a track record building scalable APIs and event-driven systems.

Qualifications

• Bachelor’s degree in Computer Science or related field.
• 5+ years of professional software engineering experience.
• Expertise in Python and relevant libraries.
• Strong fundamentals in algorithms, distributed systems, and cloud-native design.
• Experience building and consuming REST APIs and event-driven systems.
• Strong knowledge of AWS services including Lambda, ECS, S3, DynamoDB, API Gateway.
• Excellent communication, collaboration, and problem-solving skills.
• Self-directed, able to multi-task, sharp analytical abilities.

Responsibilities

• Design, develop, and maintain scalable data and application services supporting AI-driven solutions
• Build and maintain workflow orchestration, integration, and automation capabilities across enterprise platforms
• Develop and optimize backend services, APIs, and microservices using modern cloud-native architectures
• Evaluate and implement emerging technologies to improve system reliability, performance, and developer productivity
• Implement monitoring, observability, and operational tooling to ensure platform health and application performance
• Collaborate with cross-functional teams and participate in Agile ceremonies
• Perform peer reviews and contribute to engineering standards and best practices

Skills

Python

Algorithms

Distributed systems

REST APIs

Cloud-native design

Communication

Self-directed

Education

Bachelor's degree in Computer Science or related field

Tools

AWS Lambda

AWS ECS

AWS S3

DynamoDB

API Gateway

LangSmith

LangFuse

Docker

Kinesis

Kafka

Job description

NBCUniversal in the United States is seeking a Senior Software Engineer focused on agentic, LLM-powered applications. You will design, develop, and optimize intelligent systems and autonomous agents across the full stack, from prompt engineering and LLM integration to observability and cloud-native deployment.

The role requires deep Python expertise, hands-on work with AWS services like Lambda, ECS, S3, and DynamoDB, and a track record building scalable APIs and event-driven systems.