Senior AI/ML Engineer – Secure, Scalable AI Systems

Appsierra Group; United States; Hybrid; USD 200,000 - 350,000; Full time

Job summary

Appsierra Group is seeking an AI/ML Engineer to design and deploy secure, scalable ML systems in a hybrid work environment within the United States. You will work across LLMs, RAG, agentic AI, and cloud platforms to deliver mission-critical infrastructure.

You will build data pipelines, ontologies, and metadata catalogs while integrating REST APIs and SDKs. Collaboration with security and product teams is essential, with emphasis on DevOps, CI/CD, and clear documentation.

Qualifications

• Strong Python experience for AI/ML development and API integration.
• Production experience with LLMs, RAG, and prompt engineering.
• Experience with multi-agent orchestration, tools, LangGraph, and LangChain.
• Knowledge of secure coding and CI/CD practices.
• Experience with cloud AI services across GovCloud and Vertex AI.
• Ability to design data pipelines and ETL processes.

Responsibilities

• Design, implement, and optimize production-grade AI/ML applications using LLMs, RAG, and prompt engineering.
• Develop and orchestrate multi-agent systems, including tool use and agent workflows.
• Deploy AI solutions across secure cloud environments, including AWS GovCloud, Google GovCloud, Azure IL5+, Vertex AI, and AWS Bedrock.
• Build and maintain robust data pipelines and ETL processes for AI training and inference.
• Develop metadata catalogs and ontologies to support high-quality AI data.
• Create and maintain REST APIs and SDK integrations for data and model interactions.
• Collaborate with product, security, and engineering teams on secure and scalable implementations.
• Apply modern DevOps and CI/CD practices throughout development and deployment.
• Document technical decisions and communicate complex technical concepts to both technical and non-technical stakeholders.

Skills

Python

LLMs

RAG

prompt engineering

multi-agent orchestration

tool use

LangGraph

LangChain

Cloud AI services

data pipelines

ETL

metadata catalogs

ontologies

secure coding

CI/CD

communication

Tools

LangGraph

LangChain

AWS GovCloud

Google GovCloud

Azure IL5+

Vertex AI

AWS Bedrock

Job description

Appsierra Group is seeking an AI/ML Engineer to design and deploy secure, scalable ML systems in a hybrid work environment within the United States. You will work across LLMs, RAG, agentic AI, and cloud platforms to deliver mission-critical infrastructure.

You will build data pipelines, ontologies, and metadata catalogs while integrating REST APIs and SDKs. Collaboration with security and product teams is essential, with emphasis on DevOps, CI/CD, and clear documentation.